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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.25 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:10:27 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268628; x=1721873428; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=h8atclyC9Wk54it5NIbF2OB8aNolkdVJ9kvxN5/8lZw=; b=dDkQjedKzX0vtJy211XZDbxTnhHsW/7LidHvynHknOlwx1VNV4HSiNfKyz/4obfSsD OPWq/OhqyKTW+UtJKLSa+lDCrGV4oOzOD5kNlxQe0gtGNHS98aW6AiGBP9h4n09f8VBT VcwKnTGZjL6GvnyJ0Blu0vZ2QR5IAAVm48oATtF2plMAnSV1sd/mVGsNymltH3G2W8Tb 6KJnXSq5Ko3AVAGzheL4FlKaAcWMSkzl6vRmeF2j0PrkoPgIbWN/w5ROAr8JEaQQwH1m Mevo/wTOnncd3cYcU63wQkBeYiA+PmVItjBGg5isOHRgFyKN1G0h08TMsrdWLaLdz3M9 ryaw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268628; x=1721873428; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=h8atclyC9Wk54it5NIbF2OB8aNolkdVJ9kvxN5/8lZw=; b=kjZ2psk+9lr+E094Z2IXSmwb8hFa6Yg8eaisozU/B3VmlnQAcy8noo0GOujDcMM1uI eBsmjf0XJqFSWb1gZh1U2GxY5DPGqfJ+0jY09ozPN20OX5KQFZH86EnoZnQ4Y39DCWok eKMFdkJ0uvMKv36HHvAYHPywE1PJCDLX3gsrWpspgVjewRj9Sk4/pLNiBFfzV8nhNhDp 3OD5fgeU/3zUyE4mqohdkuBMyowOXH7/SlUk3pPwgvr0tQtCw+2F5gPlL8lI1fwbE95H 7xmv/9BzwQx2kTmA8KTp+b+P5MMkq+8W64AifW1npZSu2mnDtg0/PfAxZtSiewOJr/Ob 4T+w== X-Gm-Message-State: AOJu0Yw5/dGmu5PIbdn0OCtYvZl9xQuv7MpXe6vhK3hqV2pEQugm13bu oEypV8iA+M8Ft5tVygK6wis42KjwBO9fWVWOL9Li6OGkw9HkHGMI0TkXrqxe X-Google-Smtp-Source: AGHT+IGKEzq2Du2dDW1pbrLDL7xxeW7hhJR7Rq9UwhVzW+8FWr2suYFadNrImhYEHFua9Lxw+b1bcQ== X-Received: by 2002:a17:902:f68d:b0:1fc:4b33:2d24 with SMTP id d9443c01a7336-1fc4e68a8cdmr30986795ad.52.1721268628064; Wed, 17 Jul 2024 19:10:28 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, LIU Zhiwei , Alistair Francis , Deepak Gupta Subject: [PULL 01/30] target/riscv: Add zimop extension Date: Thu, 18 Jul 2024 12:09:43 +1000 Message-ID: <20240718021012.2057986-2-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=alistair23@gmail.com; helo=mail-pl1-x630.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268715808116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Zimop extension defines an encoding space for 40 MOPs.The Zimop extension defines 32 MOP instructions named MOP.R.n, where n is an integer between 0 and 31, inclusive. The Zimop extension additionally defines 8 MOP instructions named MOP.RR.n, where n is an integer between 0 and 7. These 40 MOPs initially are defined to simply write zero to x[rd], but are designed to be redefined by later extensions to perform some other action. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Deepak Gupta Message-ID: <20240709113652.1239-2-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 1 + target/riscv/insn32.decode | 11 ++++++ target/riscv/cpu.c | 2 ++ target/riscv/translate.c | 1 + target/riscv/insn_trans/trans_rvzimop.c.inc | 37 +++++++++++++++++++++ 5 files changed, 52 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvzimop.c.inc diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index fb7eebde52..9f53512053 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -71,6 +71,7 @@ struct RISCVCPUConfig { bool ext_zihintntl; bool ext_zihintpause; bool ext_zihpm; + bool ext_zimop; bool ext_ztso; bool ext_smstateen; bool ext_sstc; diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index f22df04cfd..60da673153 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -38,6 +38,8 @@ %imm_bs 30:2 !function=3Dex_shift_3 %imm_rnum 20:4 %imm_z6 26:1 15:5 +%imm_mop5 30:1 26:2 20:2 +%imm_mop3 30:1 26:2 =20 # Argument sets: &empty @@ -56,6 +58,8 @@ &r2nfvm vm rd rs1 nf &rnfvm vm rd rs1 rs2 nf &k_aes shamt rs2 rs1 rd +&mop5 imm rd rs1 +&mop3 imm rd rs1 rs2 =20 # Formats 32: @r ....... ..... ..... ... ..... ....... &r %rs2 %r= s1 %rd @@ -98,6 +102,9 @@ @k_aes .. ..... ..... ..... ... ..... ....... &k_aes shamt=3D%imm_bs = %rs2 %rs1 %rd @i_aes .. ..... ..... ..... ... ..... ....... &i imm=3D%imm_rnum = %rs1 %rd =20 +@mop5 . . .. .. .... .. ..... ... ..... ....... &mop5 imm=3D%imm_mop5 %rd = %rs1 +@mop3 . . .. .. . ..... ..... ... ..... ....... &mop3 imm=3D%imm_mop3 %rd = %rs1 %rs2 + # Formats 64: @sh5 ....... ..... ..... ... ..... ....... &shift shamt=3D%sh5 = %rs1 %rd =20 @@ -1010,3 +1017,7 @@ amocas_w 00101 . . ..... ..... 010 ..... 0101111 @= atom_st amocas_d 00101 . . ..... ..... 011 ..... 0101111 @atom_st # *** RV64 Zacas Standard Extension *** amocas_q 00101 . . ..... ..... 100 ..... 0101111 @atom_st + +# *** Zimop may-be-operation extension *** +mop_r_n 1 . 00 .. 0111 .. ..... 100 ..... 1110011 @mop5 +mop_rr_n 1 . 00 .. 1 ..... ..... 100 ..... 1110011 @mop3 diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index c53b0d5b40..ac503826ce 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -113,6 +113,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zihintntl, PRIV_VERSION_1_10_0, ext_zihintntl), ISA_EXT_DATA_ENTRY(zihintpause, PRIV_VERSION_1_10_0, ext_zihintpause), ISA_EXT_DATA_ENTRY(zihpm, PRIV_VERSION_1_12_0, ext_zihpm), + ISA_EXT_DATA_ENTRY(zimop, PRIV_VERSION_1_13_0, ext_zimop), ISA_EXT_DATA_ENTRY(zmmul, PRIV_VERSION_1_12_0, ext_zmmul), ISA_EXT_DATA_ENTRY(za64rs, PRIV_VERSION_1_12_0, has_priv_1_11), ISA_EXT_DATA_ENTRY(zaamo, PRIV_VERSION_1_12_0, ext_zaamo), @@ -1471,6 +1472,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = =3D { MULTI_EXT_CFG_BOOL("zicsr", ext_zicsr, true), MULTI_EXT_CFG_BOOL("zihintntl", ext_zihintntl, true), MULTI_EXT_CFG_BOOL("zihintpause", ext_zihintpause, true), + MULTI_EXT_CFG_BOOL("zimop", ext_zimop, false), MULTI_EXT_CFG_BOOL("zacas", ext_zacas, false), MULTI_EXT_CFG_BOOL("zaamo", ext_zaamo, false), MULTI_EXT_CFG_BOOL("zalrsc", ext_zalrsc, false), diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 0569224e53..379b68289f 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1099,6 +1099,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, t= arget_ulong pc) #include "insn_trans/trans_rvzacas.c.inc" #include "insn_trans/trans_rvzawrs.c.inc" #include "insn_trans/trans_rvzicbo.c.inc" +#include "insn_trans/trans_rvzimop.c.inc" #include "insn_trans/trans_rvzfa.c.inc" #include "insn_trans/trans_rvzfh.c.inc" #include "insn_trans/trans_rvk.c.inc" diff --git a/target/riscv/insn_trans/trans_rvzimop.c.inc b/target/riscv/ins= n_trans/trans_rvzimop.c.inc new file mode 100644 index 0000000000..165aacd2b6 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzimop.c.inc @@ -0,0 +1,37 @@ +/* + * RISC-V translation routines for May-Be-Operation(zimop). + * + * Copyright (c) 2024 Alibaba Group. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#define REQUIRE_ZIMOP(ctx) do { \ + if (!ctx->cfg_ptr->ext_zimop) { \ + return false; \ + } \ +} while (0) + +static bool trans_mop_r_n(DisasContext *ctx, arg_mop_r_n *a) +{ + REQUIRE_ZIMOP(ctx); + gen_set_gpr(ctx, a->rd, ctx->zero); + return true; +} + +static bool trans_mop_rr_n(DisasContext *ctx, arg_mop_rr_n *a) +{ + REQUIRE_ZIMOP(ctx); + gen_set_gpr(ctx, a->rd, ctx->zero); + return true; +} --=20 2.45.2 From nobody Mon Sep 16 19:15:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268689; cv=none; d=zohomail.com; s=zohoarc; b=ZYkaLtgt6QqdM6y/NNUfl631XgczLBVyPgF723bROrRwKtLTdyIyYonNA8BWKu7Kqt2YxQWf6DGYkuzyfm3wXqgRMUuFmet/qQiQokeco0ip8SO2bDP4RJux7ogRbLmzDnjoJ4Te3Tit4ORwxNvD3V4e0kfb2+jW3HG5EUgABos= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268689; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=UMNx1WUxJIrc+DjxZZ+deqYjb0Rm41drdRBC2LVTxI8=; b=MZqJvC0pItbEtSO0pILO2ueLjKiIBCv3tGiDgreQziZdQwIzyBIQcueft1e61WdHgvUbfXozZ257i8Bn8oJL+pt0ChpJrGwMIq3XQY/20kjm56PNzZjqalmgavpcbihADFGNXmrmsGjqbeEmZIvQw2+feXQW0WU05vr719mePyw= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268689385159.57739030287917; Wed, 17 Jul 2024 19:11:29 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGbO-00058Y-Mn; Wed, 17 Jul 2024 22:10:39 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGbL-00050z-Se for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:35 -0400 Received: from mail-pl1-x62d.google.com ([2607:f8b0:4864:20::62d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbJ-0003Kn-AQ for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:35 -0400 Received: by mail-pl1-x62d.google.com with SMTP id d9443c01a7336-1fb3cf78ff3so3045925ad.0 for ; Wed, 17 Jul 2024 19:10:32 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268690180116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Reviewed-by: Deepak Gupta Message-ID: <20240709113652.1239-3-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- disas/riscv.c | 98 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 98 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index 90d6b26de9..0b82ab2322 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -906,6 +906,46 @@ typedef enum { rv_op_amocas_w =3D 875, rv_op_amocas_d =3D 876, rv_op_amocas_q =3D 877, + rv_mop_r_0 =3D 878, + rv_mop_r_1 =3D 879, + rv_mop_r_2 =3D 880, + rv_mop_r_3 =3D 881, + rv_mop_r_4 =3D 882, + rv_mop_r_5 =3D 883, + rv_mop_r_6 =3D 884, + rv_mop_r_7 =3D 885, + rv_mop_r_8 =3D 886, + rv_mop_r_9 =3D 887, + rv_mop_r_10 =3D 888, + rv_mop_r_11 =3D 889, + rv_mop_r_12 =3D 890, + rv_mop_r_13 =3D 891, + rv_mop_r_14 =3D 892, + rv_mop_r_15 =3D 893, + rv_mop_r_16 =3D 894, + rv_mop_r_17 =3D 895, + rv_mop_r_18 =3D 896, + rv_mop_r_19 =3D 897, + rv_mop_r_20 =3D 898, + rv_mop_r_21 =3D 899, + rv_mop_r_22 =3D 900, + rv_mop_r_23 =3D 901, + rv_mop_r_24 =3D 902, + rv_mop_r_25 =3D 903, + rv_mop_r_26 =3D 904, + rv_mop_r_27 =3D 905, + rv_mop_r_28 =3D 906, + rv_mop_r_29 =3D 907, + rv_mop_r_30 =3D 908, + rv_mop_r_31 =3D 909, + rv_mop_rr_0 =3D 910, + rv_mop_rr_1 =3D 911, + rv_mop_rr_2 =3D 912, + rv_mop_rr_3 =3D 913, + rv_mop_rr_4 =3D 914, + rv_mop_rr_5 =3D 915, + rv_mop_rr_6 =3D 916, + rv_mop_rr_7 =3D 917, } rv_op; =20 /* register names */ @@ -2096,6 +2136,46 @@ const rv_opcode_data rvi_opcode_data[] =3D { { "amocas.w", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, { "amocas.d", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, { "amocas.q", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "mop.r.0", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.1", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.2", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.3", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.4", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.5", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.6", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.7", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.8", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.9", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.10", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.11", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.12", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.13", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.14", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.15", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.16", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.17", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.18", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.19", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.20", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.21", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.22", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.23", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.24", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.25", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.26", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.27", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.28", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.29", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.30", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.r.31", rv_codec_r, rv_fmt_rd_rs1, NULL, 0, 0 }, + { "mop.rr.0", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.1", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.2", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.3", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.4", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.5", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.6", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "mop.rr.7", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -3855,6 +3935,24 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) case 1: op =3D rv_op_csrrw; break; case 2: op =3D rv_op_csrrs; break; case 3: op =3D rv_op_csrrc; break; + case 4: + if (dec->cfg->ext_zimop) { + int imm_mop5, imm_mop3; + if ((extract32(inst, 22, 10) & 0b1011001111) + =3D=3D 0b1000000111) { + imm_mop5 =3D deposit32(deposit32(extract32(inst, 2= 0, 2), + 2, 2, + extract32(inst, 26,= 2)), + 4, 1, extract32(inst, 30, 1)); + op =3D rv_mop_r_0 + imm_mop5; + } else if ((extract32(inst, 25, 7) & 0b1011001) + =3D=3D 0b1000001) { + imm_mop3 =3D deposit32(extract32(inst, 26, 2), + 2, 1, extract32(inst, 30, 1)); + op =3D rv_mop_rr_0 + imm_mop3; + } + } + break; case 5: op =3D rv_op_csrrwi; break; case 6: op =3D rv_op_csrrsi; break; case 7: op =3D rv_op_csrrci; break; --=20 2.45.2 From nobody Mon Sep 16 19:15:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; 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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.31 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:10:33 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268634; x=1721873434; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=RIVdqCE+9V3zLHKr7KMoh7icEFJRFOPHyoDtieSP+rI=; b=RabGRnaDDZNynMH95axo7ZHD50WqunNWV/mkUx6p813s8qdQz6fn2QyYspG5G88qZw mPEORKbGTGzTe06zFZoIiIkdlgSw37/OqHhGy+L0nrEjh0m9Rv2x886mr1Z9hY8gqfuG N6g2O1OD7o8edT/BnaGIBZtDG5bnZDryyWLEt1gpy7YtLNg58AmtVP3mtfgCi7kTXwXn GGZuSQwhXqzNj7DPGOihGu3gJN/iHhesddVTSE5DIuB3D5Z4g4J5m1sJn1+JYBmX5lBi Xc3I3AHWUcceMS01zbDnTjkm9paUBPdYE/Z7YSUnJRR8nh1V0fv+P5d8lbct70XO9QAi WH4Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268634; x=1721873434; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=RIVdqCE+9V3zLHKr7KMoh7icEFJRFOPHyoDtieSP+rI=; b=X33EuJkosCeXaTPMR970czgHieIz+vd88mT6D4er4CnVaS8qsDyMCgouVP0tpwW4jn QOQ7g/qA2tqQaUYADc8atnJ2EtoLqUk/TtwcE9Ocp964JPVA+Z5q92QKtoMMrGO9JekH PczwWgNM6XuhOiU7ic5y6zYRBV6fKvUWWemIRxs5Bl8zaWzxwmI3lOLEFmTcfzEposT7 vgmmAcRyiuntyW6NiUC6z6tbiDWNQ1Z4MCzuT5Z2Sdao4YLUy8s0fMQAYgzavkcZ1DMF v0/6RM7//zYmRgdn4IglCrx7jqrLQJFYIa3iY4J0WF5DSRtiYdf5+bjcVo0L/CYRML+p jVcg== X-Gm-Message-State: AOJu0Yyk7YIRoitemdIPAanyZIA8AStAwW3562aVtQeQpYYQbwabrUO9 x5IO7uoNXxuqVir+ONSfmpJ3Xpm5KAgk4KFbKp+qKEmHfOH1SLwUEsrb3390 X-Google-Smtp-Source: AGHT+IHEO2LJfhYaS/yTmzoM8UzC1+Y85w/Rm6hYXaVb4G9go8xWwKlf38v0hcM13nfih/j0/26gMQ== X-Received: by 2002:a17:903:11c7:b0:1fc:494b:3ee8 with SMTP id d9443c01a7336-1fc5b5fc3c6mr21272855ad.11.1721268634038; Wed, 17 Jul 2024 19:10:34 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, LIU Zhiwei , Alistair Francis , Deepak Gupta Subject: [PULL 03/30] target/riscv: Add zcmop extension Date: Thu, 18 Jul 2024 12:09:45 +1000 Message-ID: <20240718021012.2057986-4-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::631; envelope-from=alistair23@gmail.com; helo=mail-pl1-x631.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268690204116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Zcmop defines eight 16-bit MOP instructions named C.MOP.n, where n is an odd integer between 1 and 15, inclusive. C.MOP.n is encoded in the reserved encoding space corresponding to C.LUI xn, 0. Unlike the MOPs defined in the Zimop extension, the C.MOP.n instructions are defined to not write any register. In current implementation, C.MOP.n only has an check function, without any other more behavior. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Reviewed-by: Deepak Gupta Message-ID: <20240709113652.1239-4-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 1 + target/riscv/insn16.decode | 1 + target/riscv/cpu.c | 2 ++ target/riscv/tcg/tcg-cpu.c | 5 ++++ target/riscv/translate.c | 1 + target/riscv/insn_trans/trans_rvzcmop.c.inc | 29 +++++++++++++++++++++ 6 files changed, 39 insertions(+) create mode 100644 target/riscv/insn_trans/trans_rvzcmop.c.inc diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index 9f53512053..d85e54b475 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -72,6 +72,7 @@ struct RISCVCPUConfig { bool ext_zihintpause; bool ext_zihpm; bool ext_zimop; + bool ext_zcmop; bool ext_ztso; bool ext_smstateen; bool ext_sstc; diff --git a/target/riscv/insn16.decode b/target/riscv/insn16.decode index b96c534e73..3953bcf82d 100644 --- a/target/riscv/insn16.decode +++ b/target/riscv/insn16.decode @@ -140,6 +140,7 @@ sw 110 ... ... .. ... 00 @cs_w addi 000 . ..... ..... 01 @ci addi 010 . ..... ..... 01 @c_li { + c_mop_n 011 0 0 n:3 1 00000 01 illegal 011 0 ----- 00000 01 # c.addi16sp and c.lui, RES nzimm= =3D0 addi 011 . 00010 ..... 01 @c_addi16sp lui 011 . ..... ..... 01 @c_lui diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index ac503826ce..f4f8287a6d 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -131,6 +131,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zcf, PRIV_VERSION_1_12_0, ext_zcf), ISA_EXT_DATA_ENTRY(zcd, PRIV_VERSION_1_12_0, ext_zcd), ISA_EXT_DATA_ENTRY(zce, PRIV_VERSION_1_12_0, ext_zce), + ISA_EXT_DATA_ENTRY(zcmop, PRIV_VERSION_1_13_0, ext_zcmop), ISA_EXT_DATA_ENTRY(zcmp, PRIV_VERSION_1_12_0, ext_zcmp), ISA_EXT_DATA_ENTRY(zcmt, PRIV_VERSION_1_12_0, ext_zcmt), ISA_EXT_DATA_ENTRY(zba, PRIV_VERSION_1_12_0, ext_zba), @@ -1473,6 +1474,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = =3D { MULTI_EXT_CFG_BOOL("zihintntl", ext_zihintntl, true), MULTI_EXT_CFG_BOOL("zihintpause", ext_zihintpause, true), MULTI_EXT_CFG_BOOL("zimop", ext_zimop, false), + MULTI_EXT_CFG_BOOL("zcmop", ext_zcmop, false), MULTI_EXT_CFG_BOOL("zacas", ext_zacas, false), MULTI_EXT_CFG_BOOL("zaamo", ext_zaamo, false), MULTI_EXT_CFG_BOOL("zalrsc", ext_zalrsc, false), diff --git a/target/riscv/tcg/tcg-cpu.c b/target/riscv/tcg/tcg-cpu.c index ecf366d6c7..b8814ab753 100644 --- a/target/riscv/tcg/tcg-cpu.c +++ b/target/riscv/tcg/tcg-cpu.c @@ -549,6 +549,11 @@ void riscv_cpu_validate_set_extensions(RISCVCPU *cpu, = Error **errp) } } =20 + if (cpu->cfg.ext_zcmop && !cpu->cfg.ext_zca) { + error_setg(errp, "Zcmop extensions require Zca"); + return; + } + if (mcc->misa_mxl_max !=3D MXL_RV32 && cpu->cfg.ext_zcf) { error_setg(errp, "Zcf extension is only relevant to RV32"); return; diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 379b68289f..8a546f4ece 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1114,6 +1114,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, t= arget_ulong pc) /* Include the auto-generated decoder for 16 bit insn */ #include "decode-insn16.c.inc" #include "insn_trans/trans_rvzce.c.inc" +#include "insn_trans/trans_rvzcmop.c.inc" =20 /* Include decoders for factored-out extensions */ #include "decode-XVentanaCondOps.c.inc" diff --git a/target/riscv/insn_trans/trans_rvzcmop.c.inc b/target/riscv/ins= n_trans/trans_rvzcmop.c.inc new file mode 100644 index 0000000000..7205586508 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzcmop.c.inc @@ -0,0 +1,29 @@ +/* + * RISC-V translation routines for compressed May-Be-Operation(zcmop). + * + * Copyright (c) 2024 Alibaba Group. + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#define REQUIRE_ZCMOP(ctx) do { \ + if (!ctx->cfg_ptr->ext_zcmop) { \ + return false; \ + } \ +} while (0) + +static bool trans_c_mop_n(DisasContext *ctx, arg_c_mop_n *a) +{ + REQUIRE_ZCMOP(ctx); + return true; +} --=20 2.45.2 From nobody Mon Sep 16 19:15:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268774; cv=none; d=zohomail.com; s=zohoarc; b=GBteSLl5SeprnMwdkql/3psz0mnOSVFGNKfQwLLGGl20Ch4CF27n2ahwL/E4sOss158flOLnAl57ZB/NAnkmWZ1UhcJeJXv5q6vDfFW0F1jLF+5tu6tXLE/TYiSpha2O4Kqm/FXC9rX56qQBR7XCLXnMthVR+lXFkL2kzXXWoWs= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268774; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=7krw/iWmPDAPo0AIHcEhdPQl92KB84aFtQIUP8oRFWc=; b=SEV4t48zzvmc1xgwWKlksgoSffApaZUd9768KHw12600FEc9PabNb9bRQ6OkXaMox/z4EB3UTg9Up7Qai0ixIhYIhEGYlyJzdUf5/EkSJyq03WpPvlVmCqINkSq6klJbTs8LhQ2vY60FbHIcZG9vk3ONot5Xzl5YSEdbVjfcZsU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268774878646.951455472642; Wed, 17 Jul 2024 19:12:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGbh-0005e8-9r; Wed, 17 Jul 2024 22:10:57 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGbR-0005GY-NM for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:42 -0400 Received: from mail-pl1-x636.google.com ([2607:f8b0:4864:20::636]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbP-0003OL-3K for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:41 -0400 Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1fc5239faebso2876255ad.1 for ; Wed, 17 Jul 2024 19:10:38 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.34 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:10:36 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268637; x=1721873437; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=7krw/iWmPDAPo0AIHcEhdPQl92KB84aFtQIUP8oRFWc=; b=UuH5VPfCgweuaeVLM9M/T7neNzXDK2nDVae2gNaexdVdrLK0P/4bEAvS1/opyhhPBt ZxBVGFegy0Zovjzr01iRcWshz3Fx3z80QMBq5Le5pGkStxhaR6gZsXztnviRvFR8M/s3 wLmrE3bnef0mOOSYuN5M256BUtnxcvFQMHaGkk/AE3aNedKA4v5lH1r/ZTWTkfxPw1pV zzwpm4vDnHAhQdrjnx3gQjihxvo3mtD4ZscAgDVvIvAhqOx1nk3PHTcuRrAOOoFjlUe+ +7kG4PheL+y0HJGIxiT4xX/VYVxhEjV7qjJf+FZs5+5nk0Qvywx+Lvk/Jxn/EGnrlUvp ykfg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268637; x=1721873437; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=7krw/iWmPDAPo0AIHcEhdPQl92KB84aFtQIUP8oRFWc=; b=jfqOaYuW6ehkLmgtykDCvS95Vkh78Mplan9Bv9qc4DyrACNg2X1VSslgAdphkR3DZ2 PilLQifOcRD1ZbQCJlvZn6CCA9xjKb9NvWAW/D/ClocMdrzpnv57+htawbiFnCdJzZRG cUCmQa4STF4rnEgV9Je2BkZ9JmiEOdao3P/r0waqo608azHT4Nv9+R1mLIU/Ny+VZ38P X3tMoV8CLNFbRv7acZwOMiQVAhW6ErETWi9ugcRZwfAszUZWW4meRv5OcBg/sJEi5JY/ /Zbn9EKp18UFT2H5cUorrSyxzZjD51aqZ/kUaogFnQq9zfduYnjwxVm+s3t+houK+BtO 1bGg== X-Gm-Message-State: AOJu0YwV9T27Mo+QOhn+f28Qg9S+C/snPv92GrEzTbjycxtfDiLtqK2O lVjsXhe+f5EDVm+9e8QuxRf72O4npk96ons9QYxiCOu+3BIvZpZd+otar2tk X-Google-Smtp-Source: AGHT+IHXzIHJIhp93hRK5gc2ww+2oFlqTEBSy/wnIxLXjLNfT+W4WsGn9mDo4I7IDSHtlVY2iJhTHA== X-Received: by 2002:a17:903:1105:b0:1fa:ff8:e66e with SMTP id d9443c01a7336-1fc4e6a36a5mr28424615ad.59.1721268637368; Wed, 17 Jul 2024 19:10:37 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, LIU Zhiwei , Alistair Francis , Deepak Gupta Subject: [PULL 04/30] disas/riscv: Support zcmop disassemble Date: Thu, 18 Jul 2024 12:09:46 +1000 Message-ID: <20240718021012.2057986-5-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=alistair23@gmail.com; helo=mail-pl1-x636.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268775961116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Although in QEMU disassemble, we usually lift compressed instruction to an normal format when display the instruction name. For C.MOP.n, it is more reasonable to directly display its compressed name, because its behavior can be redefined by later extension. Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Reviewed-by: Deepak Gupta Message-ID: <20240709113652.1239-5-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- disas/riscv.c | 23 +++++++++++++++++++++++ 1 file changed, 23 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index 0b82ab2322..d29cb1ff7d 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -946,6 +946,14 @@ typedef enum { rv_mop_rr_5 =3D 915, rv_mop_rr_6 =3D 916, rv_mop_rr_7 =3D 917, + rv_c_mop_1 =3D 918, + rv_c_mop_3 =3D 919, + rv_c_mop_5 =3D 920, + rv_c_mop_7 =3D 921, + rv_c_mop_9 =3D 922, + rv_c_mop_11 =3D 923, + rv_c_mop_13 =3D 924, + rv_c_mop_15 =3D 925, } rv_op; =20 /* register names */ @@ -2176,6 +2184,14 @@ const rv_opcode_data rvi_opcode_data[] =3D { { "mop.rr.5", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, { "mop.rr.6", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, { "mop.rr.7", rv_codec_r, rv_fmt_rd_rs1_rs2, NULL, 0, 0, 0 }, + { "c.mop.1", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.3", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.5", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.7", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.9", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.11", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.13", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "c.mop.15", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -2532,6 +2548,13 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) break; case 2: op =3D rv_op_c_li; break; case 3: + if (dec->cfg->ext_zcmop) { + if ((((inst >> 2) & 0b111111) =3D=3D 0b100000) && + (((inst >> 11) & 0b11) =3D=3D 0b0)) { + op =3D rv_c_mop_1 + ((inst >> 8) & 0b111); + break; + } + } switch ((inst >> 7) & 0b11111) { case 2: op =3D rv_op_c_addi16sp; break; default: op =3D rv_op_c_lui; break; --=20 2.45.2 From nobody Mon Sep 16 19:15:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268798; cv=none; d=zohomail.com; s=zohoarc; b=ix2p3wYzGygNDqpjOSltNtXYo++V/ga74L0Yfs9/pWe5kN+a5dHVhDavovHCy8c6YaUKYSsYZbgNo0fMdjM3YSLLR92E2m5NnPaikN4uMhPtAH1AaIvqEkAFcDAcuWDmErizV4RXc4yRz/bZmGHmiDAZLPq9K9mZYhbKScT7O8Y= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268798; h=Content-Type:Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=1s0sYx+wS+O/moyilidBfQOgjju3IVIFkDm04f3wgfE=; b=eOdTbYw74hLBhile07RwtxLBh3QSmOagGoV/A0yCmCyxKDNWW/CDgaY+xEYwJgvmsjVS0xRMPU72u7GEl36nB15+bdMlj4hKzBY0k/to1dENCIs4wCMR8nawpGz0iHmAvSFfRusZu56x/R/P8w7wkS/GJ1UtUHUSkZM0qvxcT1c= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268798764893.6257884891257; Wed, 17 Jul 2024 19:13:18 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGbg-0005bD-Ho; Wed, 17 Jul 2024 22:10:56 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGbU-0005Kg-JH for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:45 -0400 Received: from mail-pg1-x52d.google.com ([2607:f8b0:4864:20::52d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbR-0003Oe-Qa for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:10:44 -0400 Received: by mail-pg1-x52d.google.com with SMTP id 41be03b00d2f7-78006198aeeso162858a12.1 for ; Wed, 17 Jul 2024 19:10:41 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:10:39 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268640; x=1721873440; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=1s0sYx+wS+O/moyilidBfQOgjju3IVIFkDm04f3wgfE=; b=mIZAgaNu/2vLgR5jC95ZEAm4v/AV3TrjW4fSN5L5KOj3khE4tN8DD8XmB75kqCnEta 4PtzvZfhE9pOj2HdE3rqA3yV0vEQH/yrTC3+UtVBhVV6+Y0qfT7fehkSeU2QjfzF6Fcv XAv4g7qafOqhCTfll98Faia6wCSrkorsRTKh6pAIlPFOtTrenJtxAfCq9cjT3z87MvwI txEep+oHArwtLpeDzhh4Wpj+Jewr63Ly2QJEAPJUXyB2ZqLLnDCb+RSh8LALXPQxUq4f igelQBm9Dn+HM/Iqgr6YoEw+LO34PS3D2+z1sJY1VuItqfLj790J0hABTmy8iJRgy61s AUuQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268640; x=1721873440; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=1s0sYx+wS+O/moyilidBfQOgjju3IVIFkDm04f3wgfE=; b=tslegpt2Q4dq30lWOyEblAX4ed1I0eGnpCx+fClmnDrbCjE13e/S+rTcZkfnXh2XCA bmQHjVgsE/0pzxORtnPkpJRmwVeIlamOm+D4QchWXXa+Dsm8aw2SBeaah5sqBQvPU/U9 /LN1J7da18yJWQijQx9COFWQbn7scOklHqHlv5lw58Byw+OHeCul4ccqkKJsGCyhp6Ny XHuml2IPTzE18Tq5qmV4+ennBm4/KC7n6gAHQnS6KNsJN83xqf8Nwxcw+DtPl4/eSMnG ffzCXLElOAWXyQ2+9SreJKXCPVH7gE8O14ar0EGWyYRgM7nhuA+F7M4X0+5ILv/31hot X4SA== X-Gm-Message-State: AOJu0YzxJ+xsnHgt/4f926eA3Lf0z4+tUsX83JGieMp/aIlPoHkLs9kQ 7yHrqCTjqBjnlVlVOLF8JjhtpHfC8A3dgo8slqL3m7ZCDjT6ynSY8F7H0El3 X-Google-Smtp-Source: AGHT+IHwje1oGyRgYCVEDB0Bf5wSKOS/rnckA+FqSlX7tKPtW04y5QwBl1mTr0wazIxbE6JfuMXUzw== X-Received: by 2002:a17:902:f549:b0:1fa:1be4:1e48 with SMTP id d9443c01a7336-1fc5b5a1492mr18227505ad.11.1721268640064; Wed, 17 Jul 2024 19:10:40 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, LIU Zhiwei , Alistair Francis Subject: [PULL 05/30] target/riscv: Support Zama16b extension Date: Thu, 18 Jul 2024 12:09:47 +1000 Message-ID: <20240718021012.2057986-6-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52d; envelope-from=alistair23@gmail.com; helo=mail-pg1-x52d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268800118116300 From: LIU Zhiwei Zama16b is the property that misaligned load/stores/atomics within a naturally aligned 16-byte region are atomic. According to the specification, Zama16b applies only to AMOs, loads and stores defined in the base ISAs, and loads and stores of no more than XLEN bits defined in the F, D, and Q extensions. Thus it should not apply to zacas or RVC instructions. For an instruction in that set, if all accessed bytes lie within 16B granul= e, the instruction will not raise an exception for reasons of address alignmen= t, and the instruction will give rise to only one memory operation for the purposes of RVWMO=E2=80=94i.e., it will execute atomically. Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Message-ID: <20240709113652.1239-6-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 1 + target/riscv/cpu.c | 2 ++ target/riscv/insn_trans/trans_rva.c.inc | 42 ++++++++++++++----------- target/riscv/insn_trans/trans_rvd.c.inc | 14 +++++++-- target/riscv/insn_trans/trans_rvf.c.inc | 14 +++++++-- target/riscv/insn_trans/trans_rvi.c.inc | 6 ++++ 6 files changed, 57 insertions(+), 22 deletions(-) diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index d85e54b475..ddbfae37e5 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -83,6 +83,7 @@ struct RISCVCPUConfig { bool ext_zdinx; bool ext_zaamo; bool ext_zacas; + bool ext_zama16b; bool ext_zalrsc; bool ext_zawrs; bool ext_zfa; diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index f4f8287a6d..de9c06904f 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -118,6 +118,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(za64rs, PRIV_VERSION_1_12_0, has_priv_1_11), ISA_EXT_DATA_ENTRY(zaamo, PRIV_VERSION_1_12_0, ext_zaamo), ISA_EXT_DATA_ENTRY(zacas, PRIV_VERSION_1_12_0, ext_zacas), + ISA_EXT_DATA_ENTRY(zama16b, PRIV_VERSION_1_13_0, ext_zama16b), ISA_EXT_DATA_ENTRY(zalrsc, PRIV_VERSION_1_12_0, ext_zalrsc), ISA_EXT_DATA_ENTRY(zawrs, PRIV_VERSION_1_12_0, ext_zawrs), ISA_EXT_DATA_ENTRY(zfa, PRIV_VERSION_1_12_0, ext_zfa), @@ -1476,6 +1477,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = =3D { MULTI_EXT_CFG_BOOL("zimop", ext_zimop, false), MULTI_EXT_CFG_BOOL("zcmop", ext_zcmop, false), MULTI_EXT_CFG_BOOL("zacas", ext_zacas, false), + MULTI_EXT_CFG_BOOL("zama16b", ext_zama16b, false), MULTI_EXT_CFG_BOOL("zaamo", ext_zaamo, false), MULTI_EXT_CFG_BOOL("zalrsc", ext_zalrsc, false), MULTI_EXT_CFG_BOOL("zawrs", ext_zawrs, true), diff --git a/target/riscv/insn_trans/trans_rva.c.inc b/target/riscv/insn_tr= ans/trans_rva.c.inc index 4a9e4591d1..eb080baddd 100644 --- a/target/riscv/insn_trans/trans_rva.c.inc +++ b/target/riscv/insn_trans/trans_rva.c.inc @@ -103,6 +103,12 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, TCGv dest =3D dest_gpr(ctx, a->rd); TCGv src1, src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); =20 + if (ctx->cfg_ptr->ext_zama16b) { + mop |=3D MO_ATOM_WITHIN16; + } else { + mop |=3D MO_ALIGN; + } + decode_save_opc(ctx); src1 =3D get_address(ctx, a->rs1, 0); func(dest, src1, src2, ctx->mem_idx, mop); @@ -126,55 +132,55 @@ static bool trans_sc_w(DisasContext *ctx, arg_sc_w *a) static bool trans_amoswap_w(DisasContext *ctx, arg_amoswap_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, (MO_ALIGN | MO_TESL)); + return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, MO_TESL); } =20 static bool trans_amoadd_w(DisasContext *ctx, arg_amoadd_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, (MO_ALIGN | MO_TE= SL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, MO_TESL); } =20 static bool trans_amoxor_w(DisasContext *ctx, arg_amoxor_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, (MO_ALIGN | MO_TE= SL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, MO_TESL); } =20 static bool trans_amoand_w(DisasContext *ctx, arg_amoand_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, (MO_ALIGN | MO_TE= SL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, MO_TESL); } =20 static bool trans_amoor_w(DisasContext *ctx, arg_amoor_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, (MO_ALIGN | MO_TES= L)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, MO_TESL); } =20 static bool trans_amomin_w(DisasContext *ctx, arg_amomin_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, (MO_ALIGN | MO_T= ESL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, MO_TESL); } =20 static bool trans_amomax_w(DisasContext *ctx, arg_amomax_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, (MO_ALIGN | MO_T= ESL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, MO_TESL); } =20 static bool trans_amominu_w(DisasContext *ctx, arg_amominu_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, (MO_ALIGN | MO_T= ESL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, MO_TESL); } =20 static bool trans_amomaxu_w(DisasContext *ctx, arg_amomaxu_w *a) { REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, (MO_ALIGN | MO_T= ESL)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TESL); } =20 static bool trans_lr_d(DisasContext *ctx, arg_lr_d *a) @@ -195,61 +201,61 @@ static bool trans_amoswap_d(DisasContext *ctx, arg_am= oswap_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, (MO_ALIGN | MO_TEUQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, MO_TEUQ); } =20 static bool trans_amoadd_d(DisasContext *ctx, arg_amoadd_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, (MO_ALIGN | MO_TE= UQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, MO_TEUQ); } =20 static bool trans_amoxor_d(DisasContext *ctx, arg_amoxor_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, (MO_ALIGN | MO_TE= UQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, MO_TEUQ); } =20 static bool trans_amoand_d(DisasContext *ctx, arg_amoand_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, (MO_ALIGN | MO_TE= UQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, MO_TEUQ); } =20 static bool trans_amoor_d(DisasContext *ctx, arg_amoor_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, (MO_ALIGN | MO_TEU= Q)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, MO_TEUQ); } =20 static bool trans_amomin_d(DisasContext *ctx, arg_amomin_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, (MO_ALIGN | MO_T= EUQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, MO_TEUQ); } =20 static bool trans_amomax_d(DisasContext *ctx, arg_amomax_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, (MO_ALIGN | MO_T= EUQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, MO_TEUQ); } =20 static bool trans_amominu_d(DisasContext *ctx, arg_amominu_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, (MO_ALIGN | MO_T= EUQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, MO_TEUQ); } =20 static bool trans_amomaxu_d(DisasContext *ctx, arg_amomaxu_d *a) { REQUIRE_64BIT(ctx); REQUIRE_A_OR_ZAAMO(ctx); - return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, (MO_ALIGN | MO_T= EUQ)); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TEUQ); } diff --git a/target/riscv/insn_trans/trans_rvd.c.inc b/target/riscv/insn_tr= ans/trans_rvd.c.inc index d9ce9e407f..1f5fac65a2 100644 --- a/target/riscv/insn_trans/trans_rvd.c.inc +++ b/target/riscv/insn_trans/trans_rvd.c.inc @@ -42,13 +42,18 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) { TCGv addr; + MemOp memop =3D MO_TEUQ; =20 REQUIRE_FPU; REQUIRE_EXT(ctx, RVD); =20 + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } + decode_save_opc(ctx); addr =3D get_address(ctx, a->rs1, a->imm); - tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], addr, ctx->mem_idx, MO_TEUQ); + tcg_gen_qemu_ld_i64(cpu_fpr[a->rd], addr, ctx->mem_idx, memop); =20 mark_fs_dirty(ctx); return true; @@ -57,13 +62,18 @@ static bool trans_fld(DisasContext *ctx, arg_fld *a) static bool trans_fsd(DisasContext *ctx, arg_fsd *a) { TCGv addr; + MemOp memop =3D MO_TEUQ; =20 REQUIRE_FPU; REQUIRE_EXT(ctx, RVD); =20 + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } + decode_save_opc(ctx); addr =3D get_address(ctx, a->rs1, a->imm); - tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, MO_TEUQ); + tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, memop); return true; } =20 diff --git a/target/riscv/insn_trans/trans_rvf.c.inc b/target/riscv/insn_tr= ans/trans_rvf.c.inc index 97a368970b..f771aa1939 100644 --- a/target/riscv/insn_trans/trans_rvf.c.inc +++ b/target/riscv/insn_trans/trans_rvf.c.inc @@ -43,14 +43,19 @@ static bool trans_flw(DisasContext *ctx, arg_flw *a) { TCGv_i64 dest; TCGv addr; + MemOp memop =3D MO_TEUL; =20 REQUIRE_FPU; REQUIRE_EXT(ctx, RVF); =20 + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } + decode_save_opc(ctx); addr =3D get_address(ctx, a->rs1, a->imm); dest =3D cpu_fpr[a->rd]; - tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, MO_TEUL); + tcg_gen_qemu_ld_i64(dest, addr, ctx->mem_idx, memop); gen_nanbox_s(dest, dest); =20 mark_fs_dirty(ctx); @@ -60,13 +65,18 @@ static bool trans_flw(DisasContext *ctx, arg_flw *a) static bool trans_fsw(DisasContext *ctx, arg_fsw *a) { TCGv addr; + MemOp memop =3D MO_TEUL; =20 REQUIRE_FPU; REQUIRE_EXT(ctx, RVF); =20 + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } + decode_save_opc(ctx); addr =3D get_address(ctx, a->rs1, a->imm); - tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, MO_TEUL); + tcg_gen_qemu_st_i64(cpu_fpr[a->rs2], addr, ctx->mem_idx, memop); return true; } =20 diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_tr= ans/trans_rvi.c.inc index ad40d3e87f..98e3806d5e 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -268,6 +268,9 @@ static bool gen_load(DisasContext *ctx, arg_lb *a, MemO= p memop) { bool out; =20 + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } decode_save_opc(ctx); if (get_xl(ctx) =3D=3D MXL_RV128) { out =3D gen_load_i128(ctx, a, memop); @@ -366,6 +369,9 @@ static bool gen_store_i128(DisasContext *ctx, arg_sb *a= , MemOp memop) =20 static bool gen_store(DisasContext *ctx, arg_sb *a, MemOp memop) { + if (ctx->cfg_ptr->ext_zama16b && (ctx->cur_insn_len !=3D 2)) { + memop |=3D MO_ATOM_WITHIN16; + } decode_save_opc(ctx); if (get_xl(ctx) =3D=3D MXL_RV128) { return gen_store_i128(ctx, a, memop); --=20 2.45.2 From nobody Mon Sep 16 19:15:47 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268689; cv=none; d=zohomail.com; s=zohoarc; b=ZhTqZVeR6ol5Mu032GPX7zZ71z/AeoDgpyQRbdJMmvUaS6h/gU/uPir+lhG3GFvXYgDvwLWrlDA5R5Q8xBKZBLl2QicDbruSaCNvhmYlVkrkIjWslTz/UW6R6hCIPT7xF6v5Em6RGn9Pl4pPW08WsUVelc/6hCqPfmmx3fDmPmk= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268690210116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Message-ID: <20240709113652.1239-7-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/translate.c | 21 +++++++++++++++++++++ target/riscv/insn_trans/trans_rva.c.inc | 21 --------------------- 2 files changed, 21 insertions(+), 21 deletions(-) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 8a546f4ece..133550d6e2 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1077,6 +1077,27 @@ static bool gen_unary_per_ol(DisasContext *ctx, arg_= r2 *a, DisasExtend ext, return gen_unary(ctx, a, ext, f_tl); } =20 +static bool gen_amo(DisasContext *ctx, arg_atomic *a, + void(*func)(TCGv, TCGv, TCGv, TCGArg, MemOp), + MemOp mop) +{ + TCGv dest =3D dest_gpr(ctx, a->rd); + TCGv src1, src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); + + if (ctx->cfg_ptr->ext_zama16b) { + mop |=3D MO_ATOM_WITHIN16; + } else { + mop |=3D MO_ALIGN; + } + + decode_save_opc(ctx); + src1 =3D get_address(ctx, a->rs1, 0); + func(dest, src1, src2, ctx->mem_idx, mop); + + gen_set_gpr(ctx, a->rd, dest); + return true; +} + static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) { DisasContext *ctx =3D container_of(dcbase, DisasContext, base); diff --git a/target/riscv/insn_trans/trans_rva.c.inc b/target/riscv/insn_tr= ans/trans_rva.c.inc index eb080baddd..39bbf60f3c 100644 --- a/target/riscv/insn_trans/trans_rva.c.inc +++ b/target/riscv/insn_trans/trans_rva.c.inc @@ -96,27 +96,6 @@ static bool gen_sc(DisasContext *ctx, arg_atomic *a, Mem= Op mop) return true; } =20 -static bool gen_amo(DisasContext *ctx, arg_atomic *a, - void(*func)(TCGv, TCGv, TCGv, TCGArg, MemOp), - MemOp mop) -{ - TCGv dest =3D dest_gpr(ctx, a->rd); - TCGv src1, src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); - - if (ctx->cfg_ptr->ext_zama16b) { - mop |=3D MO_ATOM_WITHIN16; - } else { - mop |=3D MO_ALIGN; - } - - decode_save_opc(ctx); - src1 =3D get_address(ctx, a->rs1, 0); - func(dest, src1, src2, ctx->mem_idx, mop); - - gen_set_gpr(ctx, a->rd, dest); - return true; -} - static bool trans_lr_w(DisasContext *ctx, arg_lr_w *a) { REQUIRE_A_OR_ZALRSC(ctx); --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268933; cv=none; d=zohomail.com; s=zohoarc; b=mSQQ/566cw56+hbcOwuR7n8AVR2DQkjTgW6AWZeW3COPYATrxIWwYvk0MuctuXCJzo23O8BoL57S5rKPUHB34BIExHwTWVcUHsdB6BixRgrCqhlYKO5a4bvGAjU59nbqW1GfO/p146/tGcXwNhMU9KnzV2Azlevw/mBSTlptpCA= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::430; envelope-from=alistair23@gmail.com; helo=mail-pf1-x430.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268934587116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Message-ID: <20240709113652.1239-8-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 1 + target/riscv/insn32.decode | 20 +++ target/riscv/translate.c | 4 +- target/riscv/insn_trans/trans_rvzabha.c.inc | 131 ++++++++++++++++++++ 4 files changed, 155 insertions(+), 1 deletion(-) create mode 100644 target/riscv/insn_trans/trans_rvzabha.c.inc diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index ddbfae37e5..120905a254 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -84,6 +84,7 @@ struct RISCVCPUConfig { bool ext_zaamo; bool ext_zacas; bool ext_zama16b; + bool ext_zabha; bool ext_zalrsc; bool ext_zawrs; bool ext_zfa; diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 60da673153..3bad6372f2 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1021,3 +1021,23 @@ amocas_q 00101 . . ..... ..... 100 ..... 0101111 = @atom_st # *** Zimop may-be-operation extension *** mop_r_n 1 . 00 .. 0111 .. ..... 100 ..... 1110011 @mop5 mop_rr_n 1 . 00 .. 1 ..... ..... 100 ..... 1110011 @mop3 + +# *** Zabhb Standard Extension *** +amoswap_b 00001 . . ..... ..... 000 ..... 0101111 @atom_st +amoadd_b 00000 . . ..... ..... 000 ..... 0101111 @atom_st +amoxor_b 00100 . . ..... ..... 000 ..... 0101111 @atom_st +amoand_b 01100 . . ..... ..... 000 ..... 0101111 @atom_st +amoor_b 01000 . . ..... ..... 000 ..... 0101111 @atom_st +amomin_b 10000 . . ..... ..... 000 ..... 0101111 @atom_st +amomax_b 10100 . . ..... ..... 000 ..... 0101111 @atom_st +amominu_b 11000 . . ..... ..... 000 ..... 0101111 @atom_st +amomaxu_b 11100 . . ..... ..... 000 ..... 0101111 @atom_st +amoswap_h 00001 . . ..... ..... 001 ..... 0101111 @atom_st +amoadd_h 00000 . . ..... ..... 001 ..... 0101111 @atom_st +amoxor_h 00100 . . ..... ..... 001 ..... 0101111 @atom_st +amoand_h 01100 . . ..... ..... 001 ..... 0101111 @atom_st +amoor_h 01000 . . ..... ..... 001 ..... 0101111 @atom_st +amomin_h 10000 . . ..... ..... 001 ..... 0101111 @atom_st +amomax_h 10100 . . ..... ..... 001 ..... 0101111 @atom_st +amominu_h 11000 . . ..... ..... 001 ..... 0101111 @atom_st +amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 133550d6e2..4a3e786560 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1083,8 +1083,9 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, { TCGv dest =3D dest_gpr(ctx, a->rd); TCGv src1, src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); + MemOp size =3D mop & MO_SIZE; =20 - if (ctx->cfg_ptr->ext_zama16b) { + if (ctx->cfg_ptr->ext_zama16b && size >=3D MO_32) { mop |=3D MO_ATOM_WITHIN16; } else { mop |=3D MO_ALIGN; @@ -1118,6 +1119,7 @@ static uint32_t opcode_at(DisasContextBase *dcbase, t= arget_ulong pc) #include "insn_trans/trans_rvb.c.inc" #include "insn_trans/trans_rvzicond.c.inc" #include "insn_trans/trans_rvzacas.c.inc" +#include "insn_trans/trans_rvzabha.c.inc" #include "insn_trans/trans_rvzawrs.c.inc" #include "insn_trans/trans_rvzicbo.c.inc" #include "insn_trans/trans_rvzimop.c.inc" diff --git a/target/riscv/insn_trans/trans_rvzabha.c.inc b/target/riscv/ins= n_trans/trans_rvzabha.c.inc new file mode 100644 index 0000000000..9093a1cfc1 --- /dev/null +++ b/target/riscv/insn_trans/trans_rvzabha.c.inc @@ -0,0 +1,131 @@ +/* + * RISC-V translation routines for the Zabha Standard Extension. + * + * Copyright (c) 2024 Alibaba Group + * + * This program is free software; you can redistribute it and/or modify it + * under the terms and conditions of the GNU General Public License, + * version 2 or later, as published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License f= or + * more details. + * + * You should have received a copy of the GNU General Public License along= with + * this program. If not, see . + */ + +#define REQUIRE_ZABHA(ctx) do { \ + if (!ctx->cfg_ptr->ext_zabha) { \ + return false; \ + } \ +} while (0) + +static bool trans_amoswap_b(DisasContext *ctx, arg_amoswap_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, MO_SB); +} + +static bool trans_amoadd_b(DisasContext *ctx, arg_amoadd_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, MO_SB); +} + +static bool trans_amoxor_b(DisasContext *ctx, arg_amoxor_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, MO_SB); +} + +static bool trans_amoand_b(DisasContext *ctx, arg_amoand_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, MO_SB); +} + +static bool trans_amoor_b(DisasContext *ctx, arg_amoor_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, MO_SB); +} + +static bool trans_amomin_b(DisasContext *ctx, arg_amomin_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, MO_SB); +} + +static bool trans_amomax_b(DisasContext *ctx, arg_amomax_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, MO_SB); +} + +static bool trans_amominu_b(DisasContext *ctx, arg_amominu_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, MO_SB); +} + +static bool trans_amomaxu_b(DisasContext *ctx, arg_amomaxu_b *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_SB); +} + +static bool trans_amoswap_h(DisasContext *ctx, arg_amoswap_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_xchg_tl, MO_TESW); +} + +static bool trans_amoadd_h(DisasContext *ctx, arg_amoadd_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_add_tl, MO_TESW); +} + +static bool trans_amoxor_h(DisasContext *ctx, arg_amoxor_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_xor_tl, MO_TESW); +} + +static bool trans_amoand_h(DisasContext *ctx, arg_amoand_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_and_tl, MO_TESW); +} + +static bool trans_amoor_h(DisasContext *ctx, arg_amoor_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_or_tl, MO_TESW); +} + +static bool trans_amomin_h(DisasContext *ctx, arg_amomin_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smin_tl, MO_TESW); +} + +static bool trans_amomax_h(DisasContext *ctx, arg_amomax_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_smax_tl, MO_TESW); +} + +static bool trans_amominu_h(DisasContext *ctx, arg_amominu_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umin_tl, MO_TESW); +} + +static bool trans_amomaxu_h(DisasContext *ctx, arg_amomaxu_h *a) +{ + REQUIRE_ZABHA(ctx); + return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TESW); +} --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62d; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268964641116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Message-ID: <20240709113652.1239-9-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/translate.c | 13 +++++++++++++ target/riscv/insn_trans/trans_rvzacas.c.inc | 13 ------------- 2 files changed, 13 insertions(+), 13 deletions(-) diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 4a3e786560..acba90f170 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -1099,6 +1099,19 @@ static bool gen_amo(DisasContext *ctx, arg_atomic *a, return true; } =20 +static bool gen_cmpxchg(DisasContext *ctx, arg_atomic *a, MemOp mop) +{ + TCGv dest =3D get_gpr(ctx, a->rd, EXT_NONE); + TCGv src1 =3D get_address(ctx, a->rs1, 0); + TCGv src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); + + decode_save_opc(ctx); + tcg_gen_atomic_cmpxchg_tl(dest, src1, dest, src2, ctx->mem_idx, mop); + + gen_set_gpr(ctx, a->rd, dest); + return true; +} + static uint32_t opcode_at(DisasContextBase *dcbase, target_ulong pc) { DisasContext *ctx =3D container_of(dcbase, DisasContext, base); diff --git a/target/riscv/insn_trans/trans_rvzacas.c.inc b/target/riscv/ins= n_trans/trans_rvzacas.c.inc index 5d274d4c08..fcced99fc7 100644 --- a/target/riscv/insn_trans/trans_rvzacas.c.inc +++ b/target/riscv/insn_trans/trans_rvzacas.c.inc @@ -22,19 +22,6 @@ } \ } while (0) =20 -static bool gen_cmpxchg(DisasContext *ctx, arg_atomic *a, MemOp mop) -{ - TCGv dest =3D get_gpr(ctx, a->rd, EXT_NONE); - TCGv src1 =3D get_address(ctx, a->rs1, 0); - TCGv src2 =3D get_gpr(ctx, a->rs2, EXT_NONE); 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268691646116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Message-ID: <20240709113652.1239-10-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/insn32.decode | 2 ++ target/riscv/insn_trans/trans_rvzabha.c.inc | 14 ++++++++++++++ 2 files changed, 16 insertions(+) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index 3bad6372f2..c45b8fa1d8 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -1041,3 +1041,5 @@ amomin_h 10000 . . ..... ..... 001 ..... 0101111 @a= tom_st amomax_h 10100 . . ..... ..... 001 ..... 0101111 @atom_st amominu_h 11000 . . ..... ..... 001 ..... 0101111 @atom_st amomaxu_h 11100 . . ..... ..... 001 ..... 0101111 @atom_st +amocas_b 00101 . . ..... ..... 000 ..... 0101111 @atom_st +amocas_h 00101 . . ..... ..... 001 ..... 0101111 @atom_st diff --git a/target/riscv/insn_trans/trans_rvzabha.c.inc b/target/riscv/ins= n_trans/trans_rvzabha.c.inc index 9093a1cfc1..ce8edcba62 100644 --- a/target/riscv/insn_trans/trans_rvzabha.c.inc +++ b/target/riscv/insn_trans/trans_rvzabha.c.inc @@ -129,3 +129,17 @@ static bool trans_amomaxu_h(DisasContext *ctx, arg_amo= maxu_h *a) REQUIRE_ZABHA(ctx); return gen_amo(ctx, a, &tcg_gen_atomic_fetch_umax_tl, MO_TESW); } + +static bool trans_amocas_b(DisasContext *ctx, arg_amocas_b *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_SB); +} + +static bool trans_amocas_h(DisasContext *ctx, arg_amocas_h *a) +{ + REQUIRE_ZACAS(ctx); + REQUIRE_ZABHA(ctx); + return gen_cmpxchg(ctx, a, MO_ALIGN | MO_TESW); +} --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721269052; cv=none; d=zohomail.com; s=zohoarc; b=iBX9GwjGpkPh2iJm1xzilxWcBhukOKyQbQBgacjQ3sQrc4wUMjRCHE5jbw01TGkCSsxCn6kqSbpNqAbMZ+PCO129xv5XdY1okPGJj3CH3qBynbwK5PwuxkcMr3FS6pFgsN2ihMGuobulSUOVUd3LcVeljZxKS/vMGW47BnPCLzc= ARC-Message-Signature: i=1; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721269053012116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Reviewed-by: Alistair Francis Message-ID: <20240709113652.1239-11-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index de9c06904f..33ef4eb795 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -117,6 +117,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zmmul, PRIV_VERSION_1_12_0, ext_zmmul), ISA_EXT_DATA_ENTRY(za64rs, PRIV_VERSION_1_12_0, has_priv_1_11), ISA_EXT_DATA_ENTRY(zaamo, PRIV_VERSION_1_12_0, ext_zaamo), + ISA_EXT_DATA_ENTRY(zabha, PRIV_VERSION_1_13_0, ext_zabha), ISA_EXT_DATA_ENTRY(zacas, PRIV_VERSION_1_12_0, ext_zacas), ISA_EXT_DATA_ENTRY(zama16b, PRIV_VERSION_1_13_0, ext_zama16b), ISA_EXT_DATA_ENTRY(zalrsc, PRIV_VERSION_1_12_0, ext_zalrsc), @@ -1478,6 +1479,7 @@ const RISCVCPUMultiExtConfig riscv_cpu_extensions[] = =3D { MULTI_EXT_CFG_BOOL("zcmop", ext_zcmop, false), MULTI_EXT_CFG_BOOL("zacas", ext_zacas, false), MULTI_EXT_CFG_BOOL("zama16b", ext_zama16b, false), + MULTI_EXT_CFG_BOOL("zabha", ext_zabha, false), MULTI_EXT_CFG_BOOL("zaamo", ext_zaamo, false), MULTI_EXT_CFG_BOOL("zalrsc", ext_zalrsc, false), MULTI_EXT_CFG_BOOL("zawrs", ext_zawrs, true), --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62b.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268755897116300 Content-Type: text/plain; charset="utf-8" From: LIU Zhiwei Signed-off-by: LIU Zhiwei Acked-by: Alistair Francis Message-ID: <20240709113652.1239-12-zhiwei_liu@linux.alibaba.com> Signed-off-by: Alistair Francis --- disas/riscv.c | 60 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 60 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index d29cb1ff7d..c8364c2b07 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -954,6 +954,26 @@ typedef enum { rv_c_mop_11 =3D 923, rv_c_mop_13 =3D 924, rv_c_mop_15 =3D 925, + rv_op_amoswap_b =3D 926, + rv_op_amoadd_b =3D 927, + rv_op_amoxor_b =3D 928, + rv_op_amoor_b =3D 929, + rv_op_amoand_b =3D 930, + rv_op_amomin_b =3D 931, + rv_op_amomax_b =3D 932, + rv_op_amominu_b =3D 933, + rv_op_amomaxu_b =3D 934, + rv_op_amoswap_h =3D 935, + rv_op_amoadd_h =3D 936, + rv_op_amoxor_h =3D 937, + rv_op_amoor_h =3D 938, + rv_op_amoand_h =3D 939, + rv_op_amomin_h =3D 940, + rv_op_amomax_h =3D 941, + rv_op_amominu_h =3D 942, + rv_op_amomaxu_h =3D 943, + rv_op_amocas_b =3D 944, + rv_op_amocas_h =3D 945, } rv_op; =20 /* register names */ @@ -2192,6 +2212,26 @@ const rv_opcode_data rvi_opcode_data[] =3D { { "c.mop.11", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, { "c.mop.13", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, { "c.mop.15", rv_codec_ci_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "amoswap.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoadd.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoxor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoor.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoand.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomin.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomax.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amominu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomaxu.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoswap.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoadd.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoxor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoor.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amoand.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomin.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomax.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amominu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amomaxu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amocas.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "amocas.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -2986,9 +3026,13 @@ static void decode_inst_opcode(rv_decode *dec, rv_is= a isa) case 11: switch (((inst >> 24) & 0b11111000) | ((inst >> 12) & 0b00000111)) { + case 0: op =3D rv_op_amoadd_b; break; + case 1: op =3D rv_op_amoadd_h; break; case 2: op =3D rv_op_amoadd_w; break; case 3: op =3D rv_op_amoadd_d; break; case 4: op =3D rv_op_amoadd_q; break; + case 8: op =3D rv_op_amoswap_b; break; + case 9: op =3D rv_op_amoswap_h; break; case 10: op =3D rv_op_amoswap_w; break; case 11: op =3D rv_op_amoswap_d; break; case 12: op =3D rv_op_amoswap_q; break; @@ -3010,27 +3054,43 @@ static void decode_inst_opcode(rv_decode *dec, rv_i= sa isa) case 26: op =3D rv_op_sc_w; break; case 27: op =3D rv_op_sc_d; break; case 28: op =3D rv_op_sc_q; break; + case 32: op =3D rv_op_amoxor_b; break; + case 33: op =3D rv_op_amoxor_h; break; case 34: op =3D rv_op_amoxor_w; break; case 35: op =3D rv_op_amoxor_d; break; case 36: op =3D rv_op_amoxor_q; break; + case 40: op =3D rv_op_amocas_b; break; + case 41: op =3D rv_op_amocas_h; break; case 42: op =3D rv_op_amocas_w; break; case 43: op =3D rv_op_amocas_d; break; case 44: op =3D rv_op_amocas_q; break; + case 64: op =3D rv_op_amoor_b; break; + case 65: op =3D rv_op_amoor_h; break; case 66: op =3D rv_op_amoor_w; break; case 67: op =3D rv_op_amoor_d; break; case 68: op =3D rv_op_amoor_q; break; + case 96: op =3D rv_op_amoand_b; break; + case 97: op =3D rv_op_amoand_h; break; case 98: op =3D rv_op_amoand_w; break; case 99: op =3D rv_op_amoand_d; break; case 100: op =3D rv_op_amoand_q; break; + case 128: op =3D rv_op_amomin_b; break; + case 129: op =3D rv_op_amomin_h; break; case 130: op =3D rv_op_amomin_w; break; case 131: op =3D rv_op_amomin_d; break; case 132: op =3D rv_op_amomin_q; break; + case 160: op =3D rv_op_amomax_b; break; + case 161: op =3D rv_op_amomax_h; break; case 162: op =3D rv_op_amomax_w; break; case 163: op =3D rv_op_amomax_d; break; case 164: op =3D rv_op_amomax_q; break; + case 192: op =3D rv_op_amominu_b; break; + case 193: op =3D rv_op_amominu_h; break; case 194: op =3D rv_op_amominu_w; break; case 195: op =3D rv_op_amominu_d; break; case 196: op =3D rv_op_amominu_q; break; + case 224: op =3D rv_op_amomaxu_b; break; + case 225: op =3D rv_op_amomaxu_h; break; case 226: op =3D rv_op_amomaxu_w; break; case 227: op =3D rv_op_amomaxu_d; break; case 228: op =3D rv_op_amomaxu_q; break; --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268992; cv=none; d=zohomail.com; s=zohoarc; b=D1jpJh4QRkwzzPmuoQtWmliYtO2zny4g5OK3jfJsTs0RUKp3e0fOP3PNQ6Trkt2HnCxjJaOYg2Fw26iu2az6xYlQi8KcFm4gSSYDakscapgj8oYb0Vp8BohZ8MkAxEAsNZ6NYIguffWmg7jI+w56kHnSJbzzrae7UTyiztGflK4= ARC-Message-Signature: i=1; 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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:10:58 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268659; x=1721873459; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=MURTYc3GhQ8xUvt5I/QPqguLyHcGs+Rdgu0cao83RwY=; b=Pi4dwaa8o5ey8qiv15wReG+IAzV27kUNE4e62lSHn2hiypv2h0ASf30sUpK7y8wB1F MsncYK6cFLwAgQFJIUMu6B87e3EgK2Hqb2xQpf4tI62nvl1Y47GvMQWa7nRq6qgz0MUL 0hsNfTv/2aLTCllwD8RThYu6cnngO60RzlJCT98DmhEtV14CihMy4g5FmfCBvK/Yc8kd td+sdYDWayfI66jtNU5kqaQONPl9b5HlR4+4ds9NoEjboxv1Z5EbGLkgy3mPSJFrublN 5BX7AFxe7am3xxBG9b6MuqxAFRgaxfm9pJ0QOs65q9KQ7aCZ8QXoNHSBIP/siXR1l0/z L+zw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268659; x=1721873459; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=MURTYc3GhQ8xUvt5I/QPqguLyHcGs+Rdgu0cao83RwY=; b=MYOuRLipgw9Uum6iQeR59tKpUW6dhsHwfnmNWhZzuUK3ZQiPOA72boFo1pK9t1S1KE uur2Ac0NVFLxivcIPhOfTDsX4DD92yJ9rsXpuGju/DCXnoidEjAcww0iA5yY3i6L/3AW 1Tc7X4f1u92qNvfdwJjfN6vVyvSw9j7bSMnovSdnYIx3Kb6k2Bc3A1sgv5NlAfEP0cRl FB99rB4hMNtw/MGLpR30wX+gyYFX9TkENconIMK7w+ovgT2JkznT8bNic7DGOUcXUSrL zm6tKVlGE6b+AWqu/NpH8uJLobsFWdhHsxxStcCSf+4WWEa8zMMFcktCYzEIG6HF4wEY mVYQ== X-Gm-Message-State: AOJu0Yw0QjOO4vXYaA2OdaQgtY6cbwsdLSSKIj4xSu2WWpfE4kXWHg8w 5zu/PYgHb8nVt51zYXs64Iij6IVuBkNywx8zpRpX+5oVg82+vjkdC/+/EKYh X-Google-Smtp-Source: AGHT+IFZVuk1F8xbeETAKA4bOc3Z9OEy8NQTfWp0MjpiKC+RE9sg7yLzNd33gZHTL0kh7VjVBa6BSQ== X-Received: by 2002:a05:6a21:6f02:b0:1c0:f1c9:6835 with SMTP id adf61e73a8af0-1c3fddcd3abmr4196102637.51.1721268659369; Wed, 17 Jul 2024 19:10:59 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Jiayi Li , Alistair Francis , LIU Zhiwei Subject: [PULL 12/30] target/riscv: Validate the mode in write_vstvec Date: Thu, 18 Jul 2024 12:09:54 +1000 Message-ID: <20240718021012.2057986-13-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52d; envelope-from=alistair23@gmail.com; helo=mail-pg1-x52d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268994774116300 Content-Type: text/plain; charset="utf-8" From: Jiayi Li Base on the riscv-privileged spec, vstvec substitutes for the usual stvec. Therefore, the encoding of the MODE should also be restricted to 0 and 1. Signed-off-by: Jiayi Li Reviewed-by: Alistair Francis Reviewed-by: LIU Zhiwei Message-ID: <20240701022553.1982-1-lijiayi@eswincomputing.com> Signed-off-by: Alistair Francis --- target/riscv/csr.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 432c59dc66..f9229d92ab 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3791,7 +3791,12 @@ static RISCVException read_vstvec(CPURISCVState *env= , int csrno, static RISCVException write_vstvec(CPURISCVState *env, int csrno, target_ulong val) { - env->vstvec =3D val; + /* bits [1:0] encode mode; 0 =3D direct, 1 =3D vectored, 2 >=3D reserv= ed */ + if ((val & 3) < 2) { + env->vstvec =3D val; + } else { + qemu_log_mask(LOG_UNIMP, "CSR_VSTVEC: reserved mode not supported\= n"); + } return RISCV_EXCP_NONE; } =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268714; cv=none; d=zohomail.com; s=zohoarc; b=BqC8fnQF6D1OEZ9Qmy2TBl+Z5qXlT97uWTqK1k8VUnKpK533YgxHjf9r9mlGBr1NDymMZp9TpzA72w6+KoYVYjg1Yf8+S/ernpAy/y5VwbAqXcTnhwaQKqLRAoRJihRE0K2JCL2PnmkArmoX0sdtVEN5r1jUBr8qBS9sFCoEpyU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268714; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=W2m+czU4JRjBz43qF9mO7kaQHS4v+U0MLfaQ9CySHtM=; b=h8CzFDgGUjguDc141KuVRncZ3ka/uCh0h6zXfm79w23zI/6CCMEHnqlMropYeE3UWnM5nkjm0p7qM+a2z5+o5V8bt1yGVXUb5gFn62XSJVdkCsoK4heb5pPoCFa/p4SnYU6pDnXOfAiWsHeKVEcBKPo3S5e6fpqEtIEq/bBjB70= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268714562385.8031973135178; Wed, 17 Jul 2024 19:11:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGbs-0006Me-6T; Wed, 17 Jul 2024 22:11:08 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGbq-0006GK-GG for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:06 -0400 Received: from mail-pg1-x52b.google.com ([2607:f8b0:4864:20::52b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbo-0003Sv-Fx for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:05 -0400 Received: by mail-pg1-x52b.google.com with SMTP id 41be03b00d2f7-75cda3719efso147107a12.3 for ; Wed, 17 Jul 2024 19:11:04 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.10.59 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:01 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268662; x=1721873462; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=W2m+czU4JRjBz43qF9mO7kaQHS4v+U0MLfaQ9CySHtM=; b=QMwIj1Q/Gj5PNV+XX/WtVmV2z2saTP4dAondmpZXlE/m9WYXgT64Ckw7QpSvAtBC01 0w3UUGxtdKVXEVUsA53ZBi+cDJn0BlxZagiqyLwQ5z+jvadYhzzRiJf6c07qkBK1w9+O zMpit6K+flUL+WuSnuQ01+ouRNca200xJ+VSnb4qqgakD9cXlBO7e5VwLh+umILbtgmV waSIIMKgu19Ha352dvrTkycDXt6LUHOcFno6aYdzhm2apx+NyCMOg76/R/Dcur5q5UlP iTbsIMMEjaLmgbVJbQmzLs1YkK0QGXhcctMtuv6LoRebmeXxIrjJmlqduOi8k/SJd91C qL4g== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268662; 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envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52b; envelope-from=alistair23@gmail.com; helo=mail-pg1-x52b.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268715739116300 Content-Type: text/plain; charset="utf-8" From: Balaji Ravikumar Add disassembly support for these instructions from Zawrs: * wrs.sto * wrs.nto Signed-off-by: Balaji Ravikumar Signed-off-by: Rob Bradford Acked-by: Alistair Francis Message-ID: <20240705165316.127494-1-rbradford@rivosinc.com> Signed-off-by: Alistair Francis --- disas/riscv.c | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/disas/riscv.c b/disas/riscv.c index c8364c2b07..5965574d87 100644 --- a/disas/riscv.c +++ b/disas/riscv.c @@ -974,6 +974,8 @@ typedef enum { rv_op_amomaxu_h =3D 943, rv_op_amocas_b =3D 944, rv_op_amocas_h =3D 945, + rv_op_wrs_sto =3D 946, + rv_op_wrs_nto =3D 947, } rv_op; =20 /* register names */ @@ -2232,6 +2234,8 @@ const rv_opcode_data rvi_opcode_data[] =3D { { "amomaxu.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, { "amocas.b", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, { "amocas.h", rv_codec_r_a, rv_fmt_aqrl_rd_rs2_rs1, NULL, 0, 0, 0 }, + { "wrs.sto", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, + { "wrs.nto", rv_codec_none, rv_fmt_none, NULL, 0, 0, 0 }, }; =20 /* CSR names */ @@ -3980,6 +3984,8 @@ static void decode_inst_opcode(rv_decode *dec, rv_isa= isa) case 0: op =3D rv_op_ecall; break; case 32: op =3D rv_op_ebreak; break; case 64: op =3D rv_op_uret; break; + case 416: op =3D rv_op_wrs_nto; break; + case 928: op =3D rv_op_wrs_sto; break; } break; case 256: --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; 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Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Message-ID: <20240709085431.455541-1-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- target/riscv/kvm/kvm-cpu.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/target/riscv/kvm/kvm-cpu.c b/target/riscv/kvm/kvm-cpu.c index 1047961fed..f6e3156b8d 100644 --- a/target/riscv/kvm/kvm-cpu.c +++ b/target/riscv/kvm/kvm-cpu.c @@ -281,6 +281,7 @@ static KVMCPUConfig kvm_multi_ext_cfgs[] =3D { KVM_EXT_CFG("zihintntl", ext_zihintntl, KVM_RISCV_ISA_EXT_ZIHINTNTL), KVM_EXT_CFG("zihintpause", ext_zihintpause, KVM_RISCV_ISA_EXT_ZIHINTPA= USE), KVM_EXT_CFG("zihpm", ext_zihpm, KVM_RISCV_ISA_EXT_ZIHPM), + KVM_EXT_CFG("zacas", ext_zacas, KVM_RISCV_ISA_EXT_ZACAS), KVM_EXT_CFG("zfa", ext_zfa, KVM_RISCV_ISA_EXT_ZFA), KVM_EXT_CFG("zfh", ext_zfh, KVM_RISCV_ISA_EXT_ZFH), KVM_EXT_CFG("zfhmin", ext_zfhmin, KVM_RISCV_ISA_EXT_ZFHMIN), @@ -298,6 +299,7 @@ static KVMCPUConfig kvm_multi_ext_cfgs[] =3D { KVM_EXT_CFG("zksed", ext_zksed, KVM_RISCV_ISA_EXT_ZKSED), KVM_EXT_CFG("zksh", ext_zksh, KVM_RISCV_ISA_EXT_ZKSH), KVM_EXT_CFG("zkt", ext_zkt, KVM_RISCV_ISA_EXT_ZKT), + KVM_EXT_CFG("ztso", ext_ztso, KVM_RISCV_ISA_EXT_ZTSO), KVM_EXT_CFG("zvbb", ext_zvbb, KVM_RISCV_ISA_EXT_ZVBB), KVM_EXT_CFG("zvbc", ext_zvbc, KVM_RISCV_ISA_EXT_ZVBC), KVM_EXT_CFG("zvfh", ext_zvfh, KVM_RISCV_ISA_EXT_ZVFH), --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268992; cv=none; d=zohomail.com; s=zohoarc; b=X1IisP7mnmafifB3VIH509xdEH/71WVDPfMB4KVEP+0OF2dMCB/GAnGJrZ6L+k2l+zKKw+1h63duwWZTsTpeR1y0djHBQbk7RlnSl6MmVBr/qha713xSKxzU9jGMx6i0J9bxkiYWQ1TJ1VihPZCqwVDtSj9LlIs/BgAjHh4vFgg= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268992; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ZRhDrDpwlYWWyik+TFpeBeE6WrW74+aI/phXsI6QSuU=; b=E2JFqkVpp4Dm8tZQwi9Gyh62iu3CfWFcmUL9LMpCXrDWvvqLnDWBASoXgM0ilEJ2NfcJIAZK3U3AlKF13/0l+77k+vY61tdI+jR/pkJccP+lpR1mIudQPUoa6R5llfHMyKcd/olWu8tHe8JXVq8WXzt8e6k9oBlqQJ2kIPst7xc= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268992243705.2916301714866; Wed, 17 Jul 2024 19:16:32 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGbx-0006gb-1L; Wed, 17 Jul 2024 22:11:13 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGbv-0006bI-Kw for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:11 -0400 Received: from mail-pl1-x636.google.com ([2607:f8b0:4864:20::636]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbt-0003Tp-On for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:11 -0400 Received: by mail-pl1-x636.google.com with SMTP id d9443c01a7336-1fbe6f83957so2741475ad.3 for ; Wed, 17 Jul 2024 19:11:09 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.05 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268668; x=1721873468; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZRhDrDpwlYWWyik+TFpeBeE6WrW74+aI/phXsI6QSuU=; b=nJbr/jD6gwvCoAY4XamM+2qAiW9QRyUb7GUcrlZxP9tAwpASEwzHzpAVl5rg4l+uKh ZfyEJWl02GHCbDQszzeAeX/BP5DJnus0xv04zSHIyOfajzb7LGi3S9aZ03kkHDzzZvsN yybxgP0Kj//82E5B5lgUWJUpksXA0BUATmZmpf0nyiBbgLQKuann8drja5Me/MEGJC0Q Eyi2CJC+DuKYxFRwndgLC6CqaH3ySeC97eJMa3OfBzXo28wx5CK7tMnJp4zXFfJvpHjS QXndQhCAwLkW/4rI2uS6/2F/mfNBz6dLP95RCM3/uKUBokruk4646+phWFcbagkrxbTX 3ghQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268668; x=1721873468; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZRhDrDpwlYWWyik+TFpeBeE6WrW74+aI/phXsI6QSuU=; b=JnXzkajScoTG8MHA40BkKZ94lh9VBwGZQnVATEytWQT8OTOy7nNrmwq2T7JHZ0TVgK LOpNFvlU5VIGep/1QObbN1uADkT338dqakICW9LC6Hf1cxj4IyBmHc+0+2STHKZ6EGA+ mumhVAgKofLEMQxneTPiCiqCbhAgmahS7H9HAfyTLmEDuyNJPNkPCE4uvNXvbr5eHCk1 ia2Qhaf/LWab84UNHYdTBvsffSmDP2+oP14cavLDb/mVVt336AbO+HDCMOKupOhxIpxg 92YPehKc3yKccWnC75bLx/rJZBLfWvVlqu14SAyF9Z8Y1C9izxwaBN1PRdk57emV+Le4 1Zfg== X-Gm-Message-State: AOJu0YzHPBd1/AFOncPmyjxWVT1O9qlfk4rqmHJWModvJsJXBFanbyqg DKjR+Q3g2c7DRi1CfRnBHtSH2r8+0DekoKM90Qrd/sqVdW/UcK2rr5pALzZ1 X-Google-Smtp-Source: AGHT+IGcnYIxJrBBKBx6Dhr91jOL+zFNTDW3fgxr4vTq7T432FzOGnhRUNEkvHtQAu8Bd6eKkIJ9Sg== X-Received: by 2002:a17:903:1205:b0:1f7:123e:2c6f with SMTP id d9443c01a7336-1fc4e15ef13mr30277725ad.37.1721268668115; Wed, 17 Jul 2024 19:11:08 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Rajnesh Kanwal , Alistair Francis , Daniel Henrique Barboza Subject: [PULL 15/30] target/riscv: Combine set_mode and set_virt functions. Date: Thu, 18 Jul 2024 12:09:57 +1000 Message-ID: <20240718021012.2057986-16-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=alistair23@gmail.com; helo=mail-pl1-x636.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268992785116300 Content-Type: text/plain; charset="utf-8" From: Rajnesh Kanwal Combining riscv_cpu_set_virt_enabled() and riscv_cpu_set_mode() functions. This is to make complete mode change information available through a single function. This allows to easily differentiate between HS->VS, VS->HS and VS->VS transitions when executing state update codes. For example: One use-case which inspired this change is to update mode-specific instruction and cycle counters which requires information of both prev mode and current mode. Signed-off-by: Rajnesh Kanwal Reviewed-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza Message-ID: <20240711-smcntrpmf_v7-v8-1-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.h | 2 +- target/riscv/cpu_helper.c | 57 +++++++++++++++++++-------------------- target/riscv/op_helper.c | 17 +++++------- 3 files changed, 35 insertions(+), 41 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 87742047ce..6520e0f5d5 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -567,7 +567,7 @@ void riscv_cpu_set_aia_ireg_rmw_fn(CPURISCVState *env, = uint32_t priv, RISCVException smstateen_acc_ok(CPURISCVState *env, int index, uint64_t bi= t); #endif /* !CONFIG_USER_ONLY */ =20 -void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv); +void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv, bool vir= t_en); =20 void riscv_translate_init(void); G_NORETURN void riscv_raise_exception(CPURISCVState *env, diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 6709622dd3..10d3fdaed3 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -619,30 +619,6 @@ void riscv_cpu_set_geilen(CPURISCVState *env, target_u= long geilen) env->geilen =3D geilen; } =20 -/* This function can only be called to set virt when RVH is enabled */ -void riscv_cpu_set_virt_enabled(CPURISCVState *env, bool enable) -{ - /* Flush the TLB on all virt mode changes. */ - if (env->virt_enabled !=3D enable) { - tlb_flush(env_cpu(env)); - } - - env->virt_enabled =3D enable; - - if (enable) { - /* - * The guest external interrupts from an interrupt controller are - * delivered only when the Guest/VM is running (i.e. V=3D1). This = means - * any guest external interrupt which is triggered while the Guest= /VM - * is not running (i.e. V=3D0) will be missed on QEMU resulting in= guest - * with sluggish response to serial console input and other I/O ev= ents. - * - * To solve this, we check and inject interrupt after setting V=3D= 1. - */ - riscv_cpu_update_mip(env, 0, 0); - } -} - int riscv_cpu_claim_interrupts(RISCVCPU *cpu, uint64_t interrupts) { CPURISCVState *env =3D &cpu->env; @@ -715,7 +691,7 @@ void riscv_cpu_set_aia_ireg_rmw_fn(CPURISCVState *env, = uint32_t priv, } } =20 -void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv) +void riscv_cpu_set_mode(CPURISCVState *env, target_ulong newpriv, bool vir= t_en) { g_assert(newpriv <=3D PRV_M && newpriv !=3D PRV_RESERVED); =20 @@ -736,6 +712,28 @@ void riscv_cpu_set_mode(CPURISCVState *env, target_ulo= ng newpriv) * preemptive context switch. As a result, do both. */ env->load_res =3D -1; + + if (riscv_has_ext(env, RVH)) { + /* Flush the TLB on all virt mode changes. */ + if (env->virt_enabled !=3D virt_en) { + tlb_flush(env_cpu(env)); + } + + env->virt_enabled =3D virt_en; + if (virt_en) { + /* + * The guest external interrupts from an interrupt controller = are + * delivered only when the Guest/VM is running (i.e. V=3D1). T= his + * means any guest external interrupt which is triggered while= the + * Guest/VM is not running (i.e. V=3D0) will be missed on QEMU + * resulting in guest with sluggish response to serial console + * input and other I/O events. + * + * To solve this, we check and inject interrupt after setting = V=3D1. + */ + riscv_cpu_update_mip(env, 0, 0); + } + } } =20 /* @@ -1648,6 +1646,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) { RISCVCPU *cpu =3D RISCV_CPU(cs); CPURISCVState *env =3D &cpu->env; + bool virt =3D env->virt_enabled; bool write_gva =3D false; uint64_t s; =20 @@ -1778,7 +1777,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) =20 htval =3D env->guest_phys_fault_addr; =20 - riscv_cpu_set_virt_enabled(env, 0); + virt =3D false; } else { /* Trap into HS mode */ env->hstatus =3D set_field(env->hstatus, HSTATUS_SPV, fals= e); @@ -1799,7 +1798,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->htinst =3D tinst; env->pc =3D (env->stvec >> 2 << 2) + ((async && (env->stvec & 3) =3D=3D 1) ? cause * 4 : 0); - riscv_cpu_set_mode(env, PRV_S); + riscv_cpu_set_mode(env, PRV_S, virt); } else { /* handle the trap in M-mode */ if (riscv_has_ext(env, RVH)) { @@ -1815,7 +1814,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) mtval2 =3D env->guest_phys_fault_addr; =20 /* Trapping to M mode, virt is disabled */ - riscv_cpu_set_virt_enabled(env, 0); + virt =3D false; } =20 s =3D env->mstatus; @@ -1830,7 +1829,7 @@ void riscv_cpu_do_interrupt(CPUState *cs) env->mtinst =3D tinst; env->pc =3D (env->mtvec >> 2 << 2) + ((async && (env->mtvec & 3) =3D=3D 1) ? cause * 4 : 0); - riscv_cpu_set_mode(env, PRV_M); + riscv_cpu_set_mode(env, PRV_M, virt); } =20 /* diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 2baf5bc3ca..ec1408ba0f 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -264,7 +264,7 @@ void helper_cbo_inval(CPURISCVState *env, target_ulong = address) target_ulong helper_sret(CPURISCVState *env) { uint64_t mstatus; - target_ulong prev_priv, prev_virt; + target_ulong prev_priv, prev_virt =3D env->virt_enabled; =20 if (!(env->priv >=3D PRV_S)) { riscv_raise_exception(env, RISCV_EXCP_ILLEGAL_INST, GETPC()); @@ -307,11 +307,9 @@ target_ulong helper_sret(CPURISCVState *env) if (prev_virt) { riscv_cpu_swap_hypervisor_regs(env); } - - riscv_cpu_set_virt_enabled(env, prev_virt); } =20 - riscv_cpu_set_mode(env, prev_priv); + riscv_cpu_set_mode(env, prev_priv, prev_virt); =20 return retpc; } @@ -347,16 +345,13 @@ target_ulong helper_mret(CPURISCVState *env) mstatus =3D set_field(mstatus, MSTATUS_MPRV, 0); } env->mstatus =3D mstatus; - riscv_cpu_set_mode(env, prev_priv); - - if (riscv_has_ext(env, RVH)) { - if (prev_virt) { - riscv_cpu_swap_hypervisor_regs(env); - } =20 - riscv_cpu_set_virt_enabled(env, prev_virt); + if (riscv_has_ext(env, RVH) && prev_virt) { + riscv_cpu_swap_hypervisor_regs(env); } =20 + riscv_cpu_set_mode(env, prev_priv, prev_virt); + return retpc; } =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268734; cv=none; d=zohomail.com; s=zohoarc; b=F3ZfVwpEc+Qg213V9n1xwVNv4V1zX/6s/PyTQS5PGxNFSTEercJ8s2JcA6PCCLMwg+/FGEIQiU3jFTelqRB1R2wklYzyguIaZkb1gxSCsBB9bdIi42NkDIyF3DxY0HOZ0Fq5p99r2KQMacPmgpWMTsZ1qflBH0O8TqL2fZNvPcQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268734; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=yE2G1CubS92SYdlRpSo5IwT2/+eKx621mVUKt+ot8nU=; b=NnLg6QcymEmDEX61qsF6JFr3COTvi8SIKZbHn6Wz2n6dlowTDZLXi9rMo4Eft+D+ZKhMijqU0pFYAJGNfCMw6YVIVBmAFXqnnYYgZvdCOVKzVE1nPP+vw03U5xE4wjTttlcieHzZDi4oK3Z7rFtNEmnQyBV9nbaiZnoufLj6pdI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268734469345.61236456304994; Wed, 17 Jul 2024 19:12:14 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGc0-0006td-6b; Wed, 17 Jul 2024 22:11:16 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGby-0006mo-GZ for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:14 -0400 Received: from mail-pf1-x42a.google.com ([2607:f8b0:4864:20::42a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGbw-0003UE-KO for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:14 -0400 Received: by mail-pf1-x42a.google.com with SMTP id d2e1a72fcca58-70b0bc1ef81so220560b3a.1 for ; Wed, 17 Jul 2024 19:11:12 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. 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The predicate function should check that first before checking sscofpmf extension. Fixes: 14664483457b ("target/riscv: Add sscofpmf extension support") Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Signed-off-by: Atish Patra Message-ID: <20240711-smcntrpmf_v7-v8-2-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/csr.c | 67 ++++++++++++++++++++++++++-------------------- 1 file changed, 38 insertions(+), 29 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index f9229d92ab..1bcf75f91f 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -227,6 +227,15 @@ static RISCVException sscofpmf(CPURISCVState *env, int= csrno) return RISCV_EXCP_NONE; } =20 +static RISCVException sscofpmf_32(CPURISCVState *env, int csrno) +{ + if (riscv_cpu_mxl(env) !=3D MXL_RV32) { + return RISCV_EXCP_ILLEGAL_INST; + } + + return sscofpmf(env, csrno); +} + static RISCVException any(CPURISCVState *env, int csrno) { return RISCV_EXCP_NONE; @@ -5106,91 +5115,91 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { [CSR_MHPMEVENT31] =3D { "mhpmevent31", any, read_mhpmevent, write_mhpmevent }, =20 - [CSR_MHPMEVENT3H] =3D { "mhpmevent3h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT3H] =3D { "mhpmevent3h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT4H] =3D { "mhpmevent4h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT4H] =3D { "mhpmevent4h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT5H] =3D { "mhpmevent5h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT5H] =3D { "mhpmevent5h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT6H] =3D { "mhpmevent6h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT6H] =3D { "mhpmevent6h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT7H] =3D { "mhpmevent7h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT7H] =3D { "mhpmevent7h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT8H] =3D { "mhpmevent8h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT8H] =3D { "mhpmevent8h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT9H] =3D { "mhpmevent9h", sscofpmf, read_mhpmevent= h, + [CSR_MHPMEVENT9H] =3D { "mhpmevent9h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT10H] =3D { "mhpmevent10h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT10H] =3D { "mhpmevent10h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT11H] =3D { "mhpmevent11h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT11H] =3D { "mhpmevent11h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT12H] =3D { "mhpmevent12h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT12H] =3D { "mhpmevent12h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT13H] =3D { "mhpmevent13h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT13H] =3D { "mhpmevent13h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT14H] =3D { "mhpmevent14h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT14H] =3D { "mhpmevent14h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT15H] =3D { "mhpmevent15h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT15H] =3D { "mhpmevent15h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT16H] =3D { "mhpmevent16h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT16H] =3D { "mhpmevent16h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT17H] =3D { "mhpmevent17h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT17H] =3D { "mhpmevent17h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT18H] =3D { "mhpmevent18h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT18H] =3D { "mhpmevent18h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT19H] =3D { "mhpmevent19h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT19H] =3D { "mhpmevent19h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT20H] =3D { "mhpmevent20h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT20H] =3D { "mhpmevent20h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT21H] =3D { "mhpmevent21h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT21H] =3D { "mhpmevent21h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT22H] =3D { "mhpmevent22h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT22H] =3D { "mhpmevent22h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT23H] =3D { "mhpmevent23h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT23H] =3D { "mhpmevent23h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT24H] =3D { "mhpmevent24h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT24H] =3D { "mhpmevent24h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT25H] =3D { "mhpmevent25h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT25H] =3D { "mhpmevent25h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT26H] =3D { "mhpmevent26h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT26H] =3D { "mhpmevent26h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT27H] =3D { "mhpmevent27h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT27H] =3D { "mhpmevent27h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT28H] =3D { "mhpmevent28h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT28H] =3D { "mhpmevent28h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT29H] =3D { "mhpmevent29h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT29H] =3D { "mhpmevent29h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT30H] =3D { "mhpmevent30h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT30H] =3D { "mhpmevent30h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, - [CSR_MHPMEVENT31H] =3D { "mhpmevent31h", sscofpmf, read_mhpmeven= th, + [CSR_MHPMEVENT31H] =3D { "mhpmevent31h", sscofpmf_32, read_mhpme= venth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268712; cv=none; d=zohomail.com; s=zohoarc; b=MWrAg0Q0PnAzoocC77RrHqHHi6d22Oze78eUyf/3YLwUjq9PTOknvtmlFowCmnhQn7JS70rKVx3ONQADC5rUfeHiI01sjBSp/b1GNFVzxJp2Mpju4bl5fir8Za/IkckqPhKgR9FOY2U5PM5njUdR1JxGZU/qMNk9EzJc75ZGc10= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268712; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=2tiM16zXYhmuZPz2GQxx4QOHbJ1OS8Hkw+EMarcoHyQ=; b=blPhMcWGiH/v+yZHLHg9DGOE8d8dRYh1Gp5AdvKW9JsBjCf3lXIktkffeZTXsIZSwzZdpbbsdpTu3z3Z6nox7g50qVHwwVHDEX0YvD9XuH//o8gbXIRYAiWP0BGpb+5Fm772XQ46BfCu/zzzhQ/k0kO4SwF1/Bumw9g+FOAAbuo= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268712182568.3911236284811; Wed, 17 Jul 2024 19:11:52 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGc4-00077t-7x; Wed, 17 Jul 2024 22:11:20 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGc2-00070m-0D for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:18 -0400 Received: from mail-pf1-x42d.google.com ([2607:f8b0:4864:20::42d]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGc0-0003Ug-A3 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:17 -0400 Received: by mail-pf1-x42d.google.com with SMTP id d2e1a72fcca58-70b42250526so202265b3a.1 for ; Wed, 17 Jul 2024 19:11:15 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.11 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:13 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268674; x=1721873474; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=2tiM16zXYhmuZPz2GQxx4QOHbJ1OS8Hkw+EMarcoHyQ=; b=lhFn9+IkWhXqXHIn0Or5okHxtxqV04zcV/QejnubT9F4meKRzz/s30gU6ZcMIgqOha pFDzxRat3+snfIGtV+P5sV/39gZkybgWPZPz86jOGtwRUuba2Vnz9oKs4HKD9xXWAMRy H97M1kocH7BB6N2AR02gaQwrjJYio+yqgVwzP4rU3N2j5FgKbRlINDgbElr++vD2tYLW +O46LmS749SANuq27Er4VeILVlnHghMvxkGVfx0zG3ITlxGhpx15R6TQQuA0RM8894n+ Wwr8ExMOqbHpMpiOdhVLMig96cppldOcVDEoTNiWN51bz9VfceVGdud8W8nrYBLmBRlH IgMA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268674; x=1721873474; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=2tiM16zXYhmuZPz2GQxx4QOHbJ1OS8Hkw+EMarcoHyQ=; b=AZZ/jAGoIP8aVrN+kOQP/7EXEgzNBLsuMimMnOpc+M29FdCu7Cp/boSEilw/0fiFkA 0ikfpE6EED+AYi1TAbcf1hOlNnsk67m4d0pD4ZCx+9PZ5NQi6rKdUwlCwHH0PTRYY5b0 oSMtUrm1NnxuLhBsuKPm5w5zqn04Mj7K5iTmut/LibylNNwoi0PliqHm/e2CWKYudUj9 wllWvrJVK5SaOLDUWy3tfKZqcSSEBJF6JuCV0Wgcz6Cs1X5151cOioEFCRccu+DSPH4E yaI9K2ffqxeRKMvqgWibMC55liMezeR9GXPyJADuue+qWZ1j8QaXWdqSmvqY+xalttpE DeEg== X-Gm-Message-State: AOJu0YygKET18Wj5Rnh9gXLDi+iBBBwYE07cHCXYXsfEmjCmxSfOucs5 tR0ZT2t/wszTbhK8SWItkpMy4fVIJdtNilp7Bn8YiyXS/vDsSutbpq/yxoIl X-Google-Smtp-Source: AGHT+IEIxiMKA0JHSZ3tD+7R5bNrhtgNAVoXlWPC/nqGTWSqRweVPqtbgg5hLMRaHM1EmFTg9LNe7w== X-Received: by 2002:a05:6a21:3282:b0:1c3:ce0f:bfb2 with SMTP id adf61e73a8af0-1c3fdcf3d55mr4578334637.23.1721268674359; Wed, 17 Jul 2024 19:11:14 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Kaiwen Xue , Daniel Henrique Barboza , Atish Patra , Alistair Francis Subject: [PULL 17/30] target/riscv: Add cycle & instret privilege mode filtering properties Date: Thu, 18 Jul 2024 12:09:59 +1000 Message-ID: <20240718021012.2057986-18-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::42d; envelope-from=alistair23@gmail.com; helo=mail-pf1-x42d.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268713787116300 Content-Type: text/plain; charset="utf-8" From: Kaiwen Xue This adds the properties for ISA extension smcntrpmf. Patches implementing it will follow. Signed-off-by: Kaiwen Xue Reviewed-by: Daniel Henrique Barboza Signed-off-by: Atish Patra Reviewed-by: Alistair Francis Message-ID: <20240711-smcntrpmf_v7-v8-3-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_cfg.h | 1 + target/riscv/cpu.c | 1 + 2 files changed, 2 insertions(+) diff --git a/target/riscv/cpu_cfg.h b/target/riscv/cpu_cfg.h index 120905a254..8b272fb826 100644 --- a/target/riscv/cpu_cfg.h +++ b/target/riscv/cpu_cfg.h @@ -76,6 +76,7 @@ struct RISCVCPUConfig { bool ext_ztso; bool ext_smstateen; bool ext_sstc; + bool ext_smcntrpmf; bool ext_svadu; bool ext_svinval; bool ext_svnapot; diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 33ef4eb795..4efe7ee3b0 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -182,6 +182,7 @@ const RISCVIsaExtData isa_edata_arr[] =3D { ISA_EXT_DATA_ENTRY(zhinx, PRIV_VERSION_1_12_0, ext_zhinx), ISA_EXT_DATA_ENTRY(zhinxmin, PRIV_VERSION_1_12_0, ext_zhinxmin), ISA_EXT_DATA_ENTRY(smaia, PRIV_VERSION_1_12_0, ext_smaia), + ISA_EXT_DATA_ENTRY(smcntrpmf, PRIV_VERSION_1_12_0, ext_smcntrpmf), ISA_EXT_DATA_ENTRY(smepmp, PRIV_VERSION_1_12_0, ext_smepmp), ISA_EXT_DATA_ENTRY(smstateen, PRIV_VERSION_1_12_0, ext_smstateen), ISA_EXT_DATA_ENTRY(ssaia, PRIV_VERSION_1_12_0, ext_ssaia), --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268741; cv=none; d=zohomail.com; s=zohoarc; b=ASsxE7sBz8QEGvnMYsxiHtq7hzVicXL39HPcAv3/nBi6XOubabUl95kgUz+IjJEp1MQbyPoGzHE68Ew7E7fD5xMLdxXHoxhFsatnFWY+B3O5eaXazEm2IvWXf5m+K49z5O1K7bfFNDxwdKx4+foASdZk3AU2qCPj8BQnquPyAsk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268741; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=ZftNb9Dewpwh1KYSeiCjlGoZxiCjuc1tjwT0QlvrE20=; b=GhAhi9n0CerXPjNz7zWCRwDaRh9xzRbIPOIDZDnqx8X2eiq/hMUOJv/Z7CvxgnCt3LWYZSH2Vg+pwLIa1+e7goEjfLd1bxGW5d2h6ojhqRXi4FvW2wRpOUgJb45yy0P8n9D3VqB53Tk4w9L0ETuOXlgDn0uNhd40ffxl2C5uhSU= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268741938216.8320195244513; Wed, 17 Jul 2024 19:12:21 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGc6-0007GS-4F; Wed, 17 Jul 2024 22:11:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGc4-0007C8-UK for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:21 -0400 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGc3-0003Uy-8a for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:20 -0400 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1fb8781ef1bso3424175ad.3 for ; Wed, 17 Jul 2024 19:11:18 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.14 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:17 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268678; x=1721873478; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=ZftNb9Dewpwh1KYSeiCjlGoZxiCjuc1tjwT0QlvrE20=; b=O7kq5XITLunacjtmxa+SRfbdsSL1S/4TKh13MsEHe+cLHl8SxFXGZGfT6FsX4jvScP hqqy0HhrzqCUIYnC48e2waORN7kjQTXV78Bhs4eGBnkwhMIOB63vq2zt306ELVY/Zwsd eRlmssvM5wbTLpXCZkPn/YNMCIWgUBBgjb0DJjW3BjH1u4IQ+sMZS6p3x0b1AnUVZNBp 2mrfqKQfIvVbighf62EML9ivdxKDNgRq9RkD/feqLuzpxKkdfAJolTNhNmHG1Azb1KL8 qE20sMtTFLGD8ZZ8PqUgOjT0Ht+SdEuwyB2jgIo3bRSUtTvZmtO/EXkgk2CXmPj5WsLF dWAQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268678; x=1721873478; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=ZftNb9Dewpwh1KYSeiCjlGoZxiCjuc1tjwT0QlvrE20=; b=LaxbkJblDyTuImHrcVJZnflO1+/Aa1+psUNfmUtv+AgaGI9Ehgy2EOnc5EkbrLocHo t0OoTUxCyt0XDwCmpISZM81/mFLHC2uokqADsZqCx8kuCH9c+WtUiCw3UzNby6n1MqQI KSFOkacDDXpnwxOi5SX+5kk3/Jpd1HmpFSdjjJcxejBofpPbI+knwjFvtE3pztPWRVVD 7s39mw56SwbiqgYp/DzBG/LzLzO15BYDYA9XsvfpWN9+qslVBIW9F7aoxFEuBixh2XZG yFGMVAQbsFthiz30fupJth/GHb0bwgGq4aNbrnDaCHlk5ldWWi3i03DRjXvMEkSp3u5b T8wA== X-Gm-Message-State: AOJu0YzaqNhZrLSLuYAiyZyFgBYHo00P5hCBa9e8hLE3cgrD5NrcQOU7 9hGrKpFhdzf+4bP2JyFa1sDlUF1VwBDll1D885xTBdVFwlpHPESulbOXWq+Q X-Google-Smtp-Source: AGHT+IFakuotPegRdjXgtmG8pxMb+6/d0z4gt72gXRgJe+nv8igZhgUhpOugdhdscYN87S8kl/Y39g== X-Received: by 2002:a17:902:f54f:b0:1f7:11c8:bdd3 with SMTP id d9443c01a7336-1fc4e16b2e8mr32914615ad.29.1721268677590; Wed, 17 Jul 2024 19:11:17 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Kaiwen Xue , Daniel Henrique Barboza , Alistair Francis , Atish Patra Subject: [PULL 18/30] target/riscv: Add cycle & instret privilege mode filtering definitions Date: Thu, 18 Jul 2024 12:10:00 +1000 Message-ID: <20240718021012.2057986-19-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=alistair23@gmail.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268743805116300 Content-Type: text/plain; charset="utf-8" From: Kaiwen Xue This adds the definitions for ISA extension smcntrpmf. Signed-off-by: Kaiwen Xue Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Signed-off-by: Atish Patra Message-ID: <20240711-smcntrpmf_v7-v8-4-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.h | 6 ++++++ target/riscv/cpu_bits.h | 29 +++++++++++++++++++++++++++++ 2 files changed, 35 insertions(+) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 6520e0f5d5..980e2154cd 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -362,6 +362,12 @@ struct CPUArchState { =20 uint32_t mcountinhibit; =20 + /* PMU cycle & instret privilege mode filtering */ + target_ulong mcyclecfg; + target_ulong mcyclecfgh; + target_ulong minstretcfg; + target_ulong minstretcfgh; + /* PMU counter state */ PMUCTRState pmu_ctrs[RV_MAX_MHPMCOUNTERS]; =20 diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index c257c5ed7d..5faa817453 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -397,6 +397,10 @@ /* Machine counter-inhibit register */ #define CSR_MCOUNTINHIBIT 0x320 =20 +/* Machine counter configuration registers */ +#define CSR_MCYCLECFG 0x321 +#define CSR_MINSTRETCFG 0x322 + #define CSR_MHPMEVENT3 0x323 #define CSR_MHPMEVENT4 0x324 #define CSR_MHPMEVENT5 0x325 @@ -427,6 +431,9 @@ #define CSR_MHPMEVENT30 0x33e #define CSR_MHPMEVENT31 0x33f =20 +#define CSR_MCYCLECFGH 0x721 +#define CSR_MINSTRETCFGH 0x722 + #define CSR_MHPMEVENT3H 0x723 #define CSR_MHPMEVENT4H 0x724 #define CSR_MHPMEVENT5H 0x725 @@ -884,6 +891,28 @@ typedef enum RISCVException { /* PMU related bits */ #define MIE_LCOFIE (1 << IRQ_PMU_OVF) =20 +#define MCYCLECFG_BIT_MINH BIT_ULL(62) +#define MCYCLECFGH_BIT_MINH BIT(30) +#define MCYCLECFG_BIT_SINH BIT_ULL(61) +#define MCYCLECFGH_BIT_SINH BIT(29) +#define MCYCLECFG_BIT_UINH BIT_ULL(60) +#define MCYCLECFGH_BIT_UINH BIT(28) +#define MCYCLECFG_BIT_VSINH BIT_ULL(59) +#define MCYCLECFGH_BIT_VSINH BIT(27) +#define MCYCLECFG_BIT_VUINH BIT_ULL(58) +#define MCYCLECFGH_BIT_VUINH BIT(26) + +#define MINSTRETCFG_BIT_MINH BIT_ULL(62) +#define MINSTRETCFGH_BIT_MINH BIT(30) +#define MINSTRETCFG_BIT_SINH BIT_ULL(61) +#define MINSTRETCFGH_BIT_SINH BIT(29) +#define MINSTRETCFG_BIT_UINH BIT_ULL(60) +#define MINSTRETCFGH_BIT_UINH BIT(28) +#define MINSTRETCFG_BIT_VSINH BIT_ULL(59) +#define MINSTRETCFGH_BIT_VSINH BIT(27) +#define MINSTRETCFG_BIT_VUINH BIT_ULL(58) +#define MINSTRETCFGH_BIT_VUINH BIT(26) + #define MHPMEVENT_BIT_OF BIT_ULL(63) #define MHPMEVENTH_BIT_OF BIT(31) #define MHPMEVENT_BIT_MINH BIT_ULL(62) --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268701; cv=none; d=zohomail.com; s=zohoarc; b=X+fw5v93INckRVAF6sXELROMfFwenf0GJdFUeBX3+w9PFFYYK+k0ZWmnH/0qP5lMtPowPdLwDNprsEqhRzxAJr+gCrD5DwGkQziJfa3kSIRN7eiehomEeDBVx2+mLIfVsfpby/IgGM4BnmE2Dgves7rwZK/KPriMG1HlMxdUHd8= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268701; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=4NdenwwcemciAx5XYGTqEB0Vd6aa6AeSqR/oYgqPmso=; b=QtH7hTZwRZJv20g804xfum9ZezvCwQyvn4dYrIOE0KJ4gzZlrMe7Bamb1/kBaBH+YoNgTfFnnqdGVmlmFxoaGChI8hV9HjG/caSCxd0naQmVT8qIBvsOGYVt2gZK6d6KbiqqYIUlT4CC79637jF8/d8NtHW4inzg8ks6pydURv0= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268701031840.5843088919562; Wed, 17 Jul 2024 19:11:41 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGc9-0007UN-Oq; Wed, 17 Jul 2024 22:11:25 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGc8-0007Od-76 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:24 -0400 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGc6-0003VR-A5 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:23 -0400 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1fb3e9e32ffso2100075ad.0 for ; Wed, 17 Jul 2024 19:11:21 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.17 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:20 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268681; x=1721873481; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4NdenwwcemciAx5XYGTqEB0Vd6aa6AeSqR/oYgqPmso=; b=j6V1xSn/avqwrnSfFi0JYlhr88bKenaguUr8dPoXmK5BhNT68NVb6Jy/pFuV1PZJhz QznGtK2Ai7Q1k+Lv1IcUV9dZHUlyUJyn2AldflG34w8BZvixMOJ2k0WssQydRNu5P0YR qkX4UsUi9+3lDEp7K0Um5Izy3nW0poOrBKi3gyM1NcQNPsX1cnkh8BHsQZzVDEAjulum h5lokE5aGWntFaX4auUssMAwXHh40iU8/n1pcXnORcuIC/HblBUOKo2MznK2R9O0g6ch 71LSoodzFaxKfY3cC5soUweuhfckpkWs5FF3ScaSJpmVYJAojxSDW6BAu45Ml2YvPVXp Gd2Q== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268681; x=1721873481; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4NdenwwcemciAx5XYGTqEB0Vd6aa6AeSqR/oYgqPmso=; b=BLpCT9MvWQwDkfKNK+UeLBK99ns7wMBzrIJX+ZtTmdnsYUcFStuUs/PyOAvQbwnXkQ +bsVKFe0lZUc8jkQisjWM8EYPESkzf6rThhbOHaZXQHWGpmfFYKo3qI5vXdPkyvcyhy0 24c9COjDGaVrIqgYHlEAJa51AyKUSHA9+XcHUR+bqNUfPraZfnSTnZTmWQZy/nUma+wm eCkHtMY9tz2bvth9Qi2To0BNDPVhempGRBelPFOUWtBk/oq3XpjbXs9alhSqqVtnsuJi 0xs09O1O73ljcOTECaa7Q1TtSk9fTDWVjV/SZb/UjwVUbAOH03vHJAMjNH82uEaNY+8R NFaQ== X-Gm-Message-State: AOJu0YxxQdz1E0++3yLDsko9Oty++aOps4nDRpJxmjQTNggM03qTgLmp 7zP8ynTJw88ZRlj/kbuOvH4Mszil2Hy5DuXuUhTc6YzZQdWo5nXW5hEc18zC X-Google-Smtp-Source: AGHT+IEFNswy+7pQr0A+43ngi8zAMWc1bRsJZdAE6NkKZy6L4iq9eSENnz+/7DERPLcnK9zW6wQlgQ== X-Received: by 2002:a17:902:db0a:b0:1fb:8924:df95 with SMTP id d9443c01a7336-1fc4e56262emr25468795ad.48.1721268680819; Wed, 17 Jul 2024 19:11:20 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Kaiwen Xue , Atish Patra , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 19/30] target/riscv: Add cycle & instret privilege mode filtering support Date: Thu, 18 Jul 2024 12:10:01 +1000 Message-ID: <20240718021012.2057986-20-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=alistair23@gmail.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268701790116300 Content-Type: text/plain; charset="utf-8" From: Kaiwen Xue QEMU only calculates dummy cycles and instructions, so there is no actual means to stop the icount in QEMU. Hence this patch merely adds the functionality of accessing the cfg registers, and cause no actual effects on the counting of cycle and instret counters. Signed-off-by: Atish Patra Reviewed-by: Daniel Henrique Barboza Signed-off-by: Kaiwen Xue Acked-by: Alistair Francis Message-ID: <20240711-smcntrpmf_v7-v8-5-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu_bits.h | 12 ++++ target/riscv/csr.c | 138 +++++++++++++++++++++++++++++++++++++++- 2 files changed, 149 insertions(+), 1 deletion(-) diff --git a/target/riscv/cpu_bits.h b/target/riscv/cpu_bits.h index 5faa817453..32b068f18a 100644 --- a/target/riscv/cpu_bits.h +++ b/target/riscv/cpu_bits.h @@ -926,6 +926,18 @@ typedef enum RISCVException { #define MHPMEVENT_BIT_VUINH BIT_ULL(58) #define MHPMEVENTH_BIT_VUINH BIT(26) =20 +#define MHPMEVENT_FILTER_MASK (MHPMEVENT_BIT_MINH | \ + MHPMEVENT_BIT_SINH | \ + MHPMEVENT_BIT_UINH | \ + MHPMEVENT_BIT_VSINH | \ + MHPMEVENT_BIT_VUINH) + +#define MHPMEVENTH_FILTER_MASK (MHPMEVENTH_BIT_MINH | \ + MHPMEVENTH_BIT_SINH | \ + MHPMEVENTH_BIT_UINH | \ + MHPMEVENTH_BIT_VSINH | \ + MHPMEVENTH_BIT_VUINH) + #define MHPMEVENT_SSCOF_MASK _ULL(0xFFFF000000000000) #define MHPMEVENT_IDX_MASK 0xFFFFF #define MHPMEVENT_SSCOF_RESVD 16 diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 1bcf75f91f..8831d4f5ec 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -30,7 +30,6 @@ #include "qemu/guest-random.h" #include "qapi/error.h" =20 - /* CSR function table public API */ void riscv_get_csr_ops(int csrno, riscv_csr_operations *ops) { @@ -236,6 +235,24 @@ static RISCVException sscofpmf_32(CPURISCVState *env, = int csrno) return sscofpmf(env, csrno); } =20 +static RISCVException smcntrpmf(CPURISCVState *env, int csrno) +{ + if (!riscv_cpu_cfg(env)->ext_smcntrpmf) { + return RISCV_EXCP_ILLEGAL_INST; + } + + return RISCV_EXCP_NONE; +} + +static RISCVException smcntrpmf_32(CPURISCVState *env, int csrno) +{ + if (riscv_cpu_mxl(env) !=3D MXL_RV32) { + return RISCV_EXCP_ILLEGAL_INST; + } + + return smcntrpmf(env, csrno); +} + static RISCVException any(CPURISCVState *env, int csrno) { return RISCV_EXCP_NONE; @@ -830,6 +847,111 @@ static RISCVException read_hpmcounterh(CPURISCVState = *env, int csrno, =20 #else /* CONFIG_USER_ONLY */ =20 +static RISCVException read_mcyclecfg(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val =3D env->mcyclecfg; + return RISCV_EXCP_NONE; +} + +static RISCVException write_mcyclecfg(CPURISCVState *env, int csrno, + target_ulong val) +{ + uint64_t inh_avail_mask; + + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + env->mcyclecfg =3D val; + } else { + /* Set xINH fields if priv mode supported */ + inh_avail_mask =3D ~MHPMEVENT_FILTER_MASK | MCYCLECFG_BIT_MINH; + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MCYCLECFG_BIT_UINH := 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MCYCLECFG_BIT_SINH := 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MCYCLECFG_BIT_VUINH = : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MCYCLECFG_BIT_VSINH = : 0; + env->mcyclecfg =3D val & inh_avail_mask; + } + + return RISCV_EXCP_NONE; +} + +static RISCVException read_mcyclecfgh(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val =3D env->mcyclecfgh; + return RISCV_EXCP_NONE; +} + +static RISCVException write_mcyclecfgh(CPURISCVState *env, int csrno, + target_ulong val) +{ + target_ulong inh_avail_mask =3D (target_ulong)(~MHPMEVENTH_FILTER_MASK= | + MCYCLECFGH_BIT_MINH); + + /* Set xINH fields if priv mode supported */ + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MCYCLECFGH_BIT_UINH : 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MCYCLECFGH_BIT_SINH : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MCYCLECFGH_BIT_VUINH : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MCYCLECFGH_BIT_VSINH : 0; + + env->mcyclecfgh =3D val & inh_avail_mask; + return RISCV_EXCP_NONE; +} + +static RISCVException read_minstretcfg(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val =3D env->minstretcfg; + return RISCV_EXCP_NONE; +} + +static RISCVException write_minstretcfg(CPURISCVState *env, int csrno, + target_ulong val) +{ + uint64_t inh_avail_mask; + + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + env->minstretcfg =3D val; + } else { + inh_avail_mask =3D ~MHPMEVENT_FILTER_MASK | MINSTRETCFG_BIT_MINH; + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MINSTRETCFG_BIT_UINH= : 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MINSTRETCFG_BIT_SINH= : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MINSTRETCFG_BIT_VUIN= H : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MINSTRETCFG_BIT_VSIN= H : 0; + env->minstretcfg =3D val & inh_avail_mask; + } + return RISCV_EXCP_NONE; +} + +static RISCVException read_minstretcfgh(CPURISCVState *env, int csrno, + target_ulong *val) +{ + *val =3D env->minstretcfgh; + return RISCV_EXCP_NONE; +} + +static RISCVException write_minstretcfgh(CPURISCVState *env, int csrno, + target_ulong val) +{ + target_ulong inh_avail_mask =3D (target_ulong)(~MHPMEVENTH_FILTER_MASK= | + MINSTRETCFGH_BIT_MINH); + + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MINSTRETCFGH_BIT_UINH : = 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MINSTRETCFGH_BIT_SINH : = 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MINSTRETCFGH_BIT_VUINH := 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MINSTRETCFGH_BIT_VSINH := 0; + + env->minstretcfgh =3D val & inh_avail_mask; + return RISCV_EXCP_NONE; +} + static RISCVException read_mhpmevent(CPURISCVState *env, int csrno, target_ulong *val) { @@ -5056,6 +5178,13 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { write_mcountinhibit, .min_priv_ver =3D PRIV_VERSION_1_11_0 }, =20 + [CSR_MCYCLECFG] =3D { "mcyclecfg", smcntrpmf, read_mcyclecfg, + write_mcyclecfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_MINSTRETCFG] =3D { "minstretcfg", smcntrpmf, read_minstretcfg, + write_minstretcfg, + .min_priv_ver =3D PRIV_VERSION_1_12_0 }, + [CSR_MHPMEVENT3] =3D { "mhpmevent3", any, read_mhpmevent, write_mhpmevent }, [CSR_MHPMEVENT4] =3D { "mhpmevent4", any, read_mhpmevent, @@ -5115,6 +5244,13 @@ riscv_csr_operations csr_ops[CSR_TABLE_SIZE] =3D { [CSR_MHPMEVENT31] =3D { "mhpmevent31", any, read_mhpmevent, write_mhpmevent }, =20 + [CSR_MCYCLECFGH] =3D { "mcyclecfgh", smcntrpmf_32, read_mcyclecf= gh, + write_mcyclecfgh, + .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, + [CSR_MINSTRETCFGH] =3D { "minstretcfgh", smcntrpmf_32, read_minstret= cfgh, + write_minstretcfgh, + .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, + [CSR_MHPMEVENT3H] =3D { "mhpmevent3h", sscofpmf_32, read_mhpmev= enth, write_mhpmeventh, .min_priv_ver =3D PRIV_VERSION_1_12_0 = }, --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268729; cv=none; d=zohomail.com; s=zohoarc; b=fPpaFvA7s2HoM2rDFWYwVEoSAxR0b7HcphnzdwcqlZcyLZoVhbgddzM9TedySNDHOW0QNloufoZWgz2Djv4oQH77EOegFvkAn+hGLUHQK7jIV/jDgZSbtn4hDHtOLVgJMaprxNFTDGyjtoyZ/1a+aFrRycIZnioMhsBsOec5d7Q= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268729; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=bdc/I8LtrpkDDrx0Z/pqIF5D/A/4rqxNRUUv4RHnxis=; b=cviDmtedE+5GyKWIJVYqUkgHnV4kJLMpWZh2KMNABBtYqUQ4v8LAUlkcYBaoXBkJXaJghHh/vTuktJqBkT5hhSjzwjmJ+Wd+JDiix0jpxZ7hNvyoFINm2O+ICx6zVuBi+AcvPRKutxLjd4wqyHqTSSRud9Y/1ydUO82ZC249Hcg= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268729614226.10303815464044; Wed, 17 Jul 2024 19:12:09 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGcD-0007kX-8p; Wed, 17 Jul 2024 22:11:29 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcB-0007ZS-12 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:27 -0400 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGc9-0003Vq-54 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:26 -0400 Received: by mail-pg1-x52f.google.com with SMTP id 41be03b00d2f7-78512d44a17so167573a12.3 for ; Wed, 17 Jul 2024 19:11:24 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.21 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:23 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268683; x=1721873483; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=bdc/I8LtrpkDDrx0Z/pqIF5D/A/4rqxNRUUv4RHnxis=; b=U7ItC4oAWGcZBZ/ygqB2xjadPkBD6Y7q7NrVqikm9CahcIXuo7B5WNBsA4I+ue9XWn EQD8d7dWVhMTk2IpwlfI5TO2EIyzDZKriBv2clVt3HXu5WEt0wFLDEPNUXsb/Le8RErL 1JgQQ0ZocnWm07eJi+jv7yhTqcn1d0gsGNqduvhOgAE3G4bcEyh0+sIzWUS2+8yFZreZ NBNx2HrthS38pVWWdsL9M0U8aEDEYwn4fT6E5k8hCDE6VWfC0DcFpDwtrig5gNBIzpCS E+3pIVkGY6C6rxHP7eMzYV1XuUZZySGNz2OxR99GPlBACXIpXZ3f1OADbMCJGePO3umh 7Zpw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268683; x=1721873483; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=bdc/I8LtrpkDDrx0Z/pqIF5D/A/4rqxNRUUv4RHnxis=; b=NcWsvlPr0DWtp2Qs4SRDNHpBo8UcwlCmRPMebzn9Vmt7oOWfTvak0VnRsfJ/G1p06C Nk6UXbWTHheBE3YNW5Ihxv0F7xFNBNV0t3x6QIGtaD3zMsM4AdRVzh54OP/KAiu9CkKp cbdZIuQx6RfOUl0vAG5gsz9v99whQw6FsLTXBj+6kUmCZP4SqpXNgQ0w/6arH/ft1r/0 kr+HKbCxD50jfgNfmI1z2KWzOGZEh2xSvL2aokd9VDBbEIm3jA4GTXMuKg6AZFvmoseN wysQguWM0lvZeWY2s6ZqWudgV192uNKh5S/B31/M/wH11jGEZuDJiRMsmE9KhI1w5QDO 7gCQ== X-Gm-Message-State: AOJu0YzkfvQYorlTMzcw1KG81DWPno0nMX6yAYiLxEirDs3wERvyomXQ Ifsz+2xjqQzupmjfpEbR4hJvNoweCv8N0DtNk75voZWxPEmB5/1k3o1j2ZR/ X-Google-Smtp-Source: AGHT+IFlXoQ0Juf0dVPpUAUmt0uINNoRpA9deWFgQDTWINueLhdq2hG1ZyRKLbTa6ht3F1eNxxnUng== X-Received: by 2002:a05:6a20:9191:b0:1be:c43c:e1cc with SMTP id adf61e73a8af0-1c3fdcc000fmr5189033637.10.1721268683544; Wed, 17 Jul 2024 19:11:23 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Alistair Francis Subject: [PULL 20/30] target/riscv: Only set INH fields if priv mode is available Date: Thu, 18 Jul 2024 12:10:02 +1000 Message-ID: <20240718021012.2057986-21-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=alistair23@gmail.com; helo=mail-pg1-x52f.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268729827116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra Currently, the INH fields are set in mhpmevent uncoditionally without checking if a particular priv mode is supported or not. Suggested-by: Alistair Francis Signed-off-by: Atish Patra Acked-by: Alistair Francis Message-ID: <20240711-smcntrpmf_v7-v8-6-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/csr.c | 29 +++++++++++++++++++++++++---- 1 file changed, 25 insertions(+), 4 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 8831d4f5ec..364583dc03 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -967,13 +967,24 @@ static RISCVException write_mhpmevent(CPURISCVState *= env, int csrno, { int evt_index =3D csrno - CSR_MCOUNTINHIBIT; uint64_t mhpmevt_val =3D val; - - env->mhpmevent_val[evt_index] =3D val; + uint64_t inh_avail_mask; =20 if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + env->mhpmevent_val[evt_index] =3D val; mhpmevt_val =3D mhpmevt_val | ((uint64_t)env->mhpmeventh_val[evt_index] << 32); + } else { + inh_avail_mask =3D ~MHPMEVENT_FILTER_MASK | MHPMEVENT_BIT_MINH; + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MHPMEVENT_BIT_UINH := 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MHPMEVENT_BIT_SINH := 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MHPMEVENT_BIT_VUINH = : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MHPMEVENT_BIT_VSINH = : 0; + mhpmevt_val =3D val & inh_avail_mask; + env->mhpmevent_val[evt_index] =3D mhpmevt_val; } + riscv_pmu_update_event_map(env, mhpmevt_val, evt_index); =20 return RISCV_EXCP_NONE; @@ -993,11 +1004,21 @@ static RISCVException write_mhpmeventh(CPURISCVState= *env, int csrno, target_ulong val) { int evt_index =3D csrno - CSR_MHPMEVENT3H + 3; - uint64_t mhpmevth_val =3D val; + uint64_t mhpmevth_val; uint64_t mhpmevt_val =3D env->mhpmevent_val[evt_index]; + target_ulong inh_avail_mask =3D (target_ulong)(~MHPMEVENTH_FILTER_MASK= | + MHPMEVENTH_BIT_MINH); + + inh_avail_mask |=3D riscv_has_ext(env, RVU) ? MHPMEVENTH_BIT_UINH : 0; + inh_avail_mask |=3D riscv_has_ext(env, RVS) ? MHPMEVENTH_BIT_SINH : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVU)) ? MHPMEVENTH_BIT_VUINH : 0; + inh_avail_mask |=3D (riscv_has_ext(env, RVH) && + riscv_has_ext(env, RVS)) ? MHPMEVENTH_BIT_VSINH : 0; =20 + mhpmevth_val =3D val & inh_avail_mask; mhpmevt_val =3D mhpmevt_val | (mhpmevth_val << 32); - env->mhpmeventh_val[evt_index] =3D val; + env->mhpmeventh_val[evt_index] =3D mhpmevth_val; =20 riscv_pmu_update_event_map(env, mhpmevt_val, evt_index); =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268738; cv=none; d=zohomail.com; s=zohoarc; b=CSE/aDxhGUtVM4Xb5LZuMzAEheZwgxFEleDK06sBYht7OdHM4lSokYQXtNJbPu4ZYgyHsnhHD7NTXik+mqSGWuwdowbp19aibEKHjAfC/kqT9Ujf5B+wyy3xs2BUQ4miJmUtg42kyZWr/sLz7G7+sCJ0YD4gXq7tYmPBlTCbgCU= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268738; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=xicpGGMfMO3Whly8VKJHDTLwnwM8vY9zbC8Y4IXrE+w=; b=gnKvyj6e5lr/Aiv4PurgyGW9+5UQA1P47HC+fRjq+wuCo9ZVFVmPvLpY3ANZuZYw0bJosMFh2vBu4JIbRg2EtmH0e5shrsnWuu4HaNVQI1sHhv+LofKn1IilmW9hVw4En6AyPhPpUiH2cNHDF02VVfKl74YBudXWqBwQx2DlyXY= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268738605549.0582194596506; Wed, 17 Jul 2024 19:12:18 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGcH-0008FL-Uf; Wed, 17 Jul 2024 22:11:34 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcF-0007zu-3J for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:31 -0400 Received: from mail-pg1-x52f.google.com ([2607:f8b0:4864:20::52f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcC-0003WF-HF for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:30 -0400 Received: by mail-pg1-x52f.google.com with SMTP id 41be03b00d2f7-76cb5b6b3e4so171958a12.1 for ; Wed, 17 Jul 2024 19:11:28 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.23 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:26 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268687; x=1721873487; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=xicpGGMfMO3Whly8VKJHDTLwnwM8vY9zbC8Y4IXrE+w=; b=WiWEMyp73oiN5WnGjQYgrXEjnIdXTBUripvGKBIEz20CQh2D9Sy9m/n1bZDsuOKFqt cl64vWFBrt5geKy83NWlTGlW4UbDeoeCYhLZcMQtt03oubqrYvGyZCKOuXEefTtovPiu t0iCB+13K7O/RgYhpjP08qQeI/pj/7siOAKwN9d56XQ8NeqZzXj5OD3/r5AxhOGBhspU 7jsiMS6TUZln6bmzBhI4e+e1wNSwszKjD5OKY7CZk1ybWVQ6AMubdC9vrtesLmouX9O2 pjStJCMCvufUdUcyh+nLOfOCWx0at00UPSaSuPVNp3EfTGlgc/DC+Vy3Dz9cY43ArBxR C0Cg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268687; x=1721873487; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=xicpGGMfMO3Whly8VKJHDTLwnwM8vY9zbC8Y4IXrE+w=; b=cwJf9wEoIebgQZwK1UQ3mDvT8FxvlozNoJ7sma84mvJV5JM1qN4XX1POJz1GZilHVp Bq0A52jLHCdlO+S6dKjZUcjCjDiBM8ZINu527ujrRbxkjnK8IBXy+P8/WVj4dlIu+9xI 9CF3j9mC0BAJADFyOE8ai0y17m8a+0s19ThJh6e6J2Nx2dal1zcQlWeW1cR+5m/zkxl2 ACZrH+rYe25W+LRhcuaf8mhKb36TvaXKeGa7Ar3EnNFL+rwh9nGqHE8XQ+yA6w2ajuE6 QR++iyccWwbLvlAU5ASI1ZIhxOTEe/hGkgmz4lxjpjqAN3QvOfVdw7w8r8lLjL2+SnJg eXSg== X-Gm-Message-State: AOJu0YxHyyPoxWY+lwFbw4ve9YN+fdeHBw+K8wuGgiGpniGw/RDnvrDE pMTjw+88PTY2iYYXcztly5d7wsnsIXPb63Um3oO83d58YlxKOKTAC9azefSF X-Google-Smtp-Source: AGHT+IHCZTs0rRIQLbpYO9FtYNs5aTFnK+YVOiCABgx2sw91R/Jl4jrSy8OjufzUylL0bifm24n+4Q== X-Received: by 2002:a05:6a21:32a9:b0:1c2:8904:14c2 with SMTP id adf61e73a8af0-1c3fdddcbaemr4514838637.37.1721268686804; Wed, 17 Jul 2024 19:11:26 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Rajnesh Kanwal , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 21/30] target/riscv: Implement privilege mode filtering for cycle/instret Date: Thu, 18 Jul 2024 12:10:03 +1000 Message-ID: <20240718021012.2057986-22-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::52f; envelope-from=alistair23@gmail.com; helo=mail-pg1-x52f.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268739855116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra Privilege mode filtering can also be emulated for cycle/instret by tracking host_ticks/icount during each privilege mode switch. This patch implements that for both cycle/instret and mhpmcounters. The first one requires Smcntrpmf while the other one requires Sscofpmf to be enabled. The cycle/instret are still computed using host ticks when icount is not enabled. Otherwise, they are computed using raw icount which is more accurate in icount mode. Co-Developed-by: Rajnesh Kanwal Signed-off-by: Rajnesh Kanwal Reviewed-by: Daniel Henrique Barboza Acked-by: Alistair Francis Signed-off-by: Atish Patra Message-ID: <20240711-smcntrpmf_v7-v8-7-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.h | 11 ++++ target/riscv/pmu.h | 2 + target/riscv/cpu_helper.c | 9 ++- target/riscv/csr.c | 117 ++++++++++++++++++++++++++------------ target/riscv/pmu.c | 92 ++++++++++++++++++++++++++++++ 5 files changed, 194 insertions(+), 37 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 980e2154cd..f515ad072b 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -181,6 +181,15 @@ typedef struct PMUCTRState { target_ulong irq_overflow_left; } PMUCTRState; =20 +typedef struct PMUFixedCtrState { + /* Track cycle and icount for each privilege mode */ + uint64_t counter[4]; + uint64_t counter_prev[4]; + /* Track cycle and icount for each privilege mode when V =3D 1*/ + uint64_t counter_virt[2]; + uint64_t counter_virt_prev[2]; +} PMUFixedCtrState; + struct CPUArchState { target_ulong gpr[32]; target_ulong gprh[32]; /* 64 top bits of the 128-bit registers */ @@ -377,6 +386,8 @@ struct CPUArchState { /* PMU event selector configured values for RV32 */ target_ulong mhpmeventh_val[RV_MAX_MHPMEVENTS]; =20 + PMUFixedCtrState pmu_fixed_ctrs[2]; + target_ulong sscratch; target_ulong mscratch; =20 diff --git a/target/riscv/pmu.h b/target/riscv/pmu.h index 7c0ad661e0..ca40cfeed6 100644 --- a/target/riscv/pmu.h +++ b/target/riscv/pmu.h @@ -34,5 +34,7 @@ int riscv_pmu_incr_ctr(RISCVCPU *cpu, enum riscv_pmu_even= t_idx event_idx); void riscv_pmu_generate_fdt_node(void *fdt, uint32_t cmask, char *pmu_name= ); int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value, uint32_t ctr_idx); +void riscv_pmu_update_fixed_ctrs(CPURISCVState *env, target_ulong newpriv, + bool new_virt); =20 #endif /* RISCV_PMU_H */ diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index 10d3fdaed3..395a1d9140 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -695,9 +695,14 @@ void riscv_cpu_set_mode(CPURISCVState *env, target_ulo= ng newpriv, bool virt_en) { g_assert(newpriv <=3D PRV_M && newpriv !=3D PRV_RESERVED); =20 - if (icount_enabled() && newpriv !=3D env->priv) { - riscv_itrigger_update_priv(env); + if (newpriv !=3D env->priv || env->virt_enabled !=3D virt_en) { + if (icount_enabled()) { + riscv_itrigger_update_priv(env); + } + + riscv_pmu_update_fixed_ctrs(env, newpriv, virt_en); } + /* tlb_flush is unnecessary as mode is contained in mmu_idx */ env->priv =3D newpriv; env->xl =3D cpu_recompute_xl(env); diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 364583dc03..85d3f0aa3f 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -787,36 +787,16 @@ static RISCVException write_vcsr(CPURISCVState *env, = int csrno, return RISCV_EXCP_NONE; } =20 +#if defined(CONFIG_USER_ONLY) /* User Timers and Counters */ -static target_ulong get_ticks(bool shift, bool instructions) +static target_ulong get_ticks(bool shift) { - int64_t val; - target_ulong result; - -#if !defined(CONFIG_USER_ONLY) - if (icount_enabled()) { - if (instructions) { - val =3D icount_get_raw(); - } else { - val =3D icount_get(); - } - } else { - val =3D cpu_get_host_ticks(); - } -#else - val =3D cpu_get_host_ticks(); -#endif - - if (shift) { - result =3D val >> 32; - } else { - result =3D val; - } + int64_t val =3D cpu_get_host_ticks(); + target_ulong result =3D shift ? val >> 32 : val; =20 return result; } =20 -#if defined(CONFIG_USER_ONLY) static RISCVException read_time(CPURISCVState *env, int csrno, target_ulong *val) { @@ -834,14 +814,14 @@ static RISCVException read_timeh(CPURISCVState *env, = int csrno, static RISCVException read_hpmcounter(CPURISCVState *env, int csrno, target_ulong *val) { - *val =3D get_ticks(false, (csrno =3D=3D CSR_INSTRET)); + *val =3D get_ticks(false); return RISCV_EXCP_NONE; } =20 static RISCVException read_hpmcounterh(CPURISCVState *env, int csrno, target_ulong *val) { - *val =3D get_ticks(true, (csrno =3D=3D CSR_INSTRETH)); + *val =3D get_ticks(true); return RISCV_EXCP_NONE; } =20 @@ -1025,17 +1005,82 @@ static RISCVException write_mhpmeventh(CPURISCVStat= e *env, int csrno, return RISCV_EXCP_NONE; } =20 +static target_ulong riscv_pmu_ctr_get_fixed_counters_val(CPURISCVState *en= v, + int counter_idx, + bool upper_half) +{ + int inst =3D riscv_pmu_ctr_monitor_instructions(env, counter_idx); + uint64_t *counter_arr_virt =3D env->pmu_fixed_ctrs[inst].counter_virt; + uint64_t *counter_arr =3D env->pmu_fixed_ctrs[inst].counter; + target_ulong result =3D 0; + uint64_t curr_val =3D 0; + uint64_t cfg_val =3D 0; + + if (counter_idx =3D=3D 0) { + cfg_val =3D upper_half ? ((uint64_t)env->mcyclecfgh << 32) : + env->mcyclecfg; + } else if (counter_idx =3D=3D 2) { + cfg_val =3D upper_half ? ((uint64_t)env->minstretcfgh << 32) : + env->minstretcfg; + } else { + cfg_val =3D upper_half ? + ((uint64_t)env->mhpmeventh_val[counter_idx] << 32) : + env->mhpmevent_val[counter_idx]; + cfg_val &=3D MHPMEVENT_FILTER_MASK; + } + + if (!cfg_val) { + if (icount_enabled()) { + curr_val =3D inst ? icount_get_raw() : icount_get(); + } else { + curr_val =3D cpu_get_host_ticks(); + } + + goto done; + } + + if (!(cfg_val & MCYCLECFG_BIT_MINH)) { + curr_val +=3D counter_arr[PRV_M]; + } + + if (!(cfg_val & MCYCLECFG_BIT_SINH)) { + curr_val +=3D counter_arr[PRV_S]; + } + + if (!(cfg_val & MCYCLECFG_BIT_UINH)) { + curr_val +=3D counter_arr[PRV_U]; + } + + if (!(cfg_val & MCYCLECFG_BIT_VSINH)) { + curr_val +=3D counter_arr_virt[PRV_S]; + } + + if (!(cfg_val & MCYCLECFG_BIT_VUINH)) { + curr_val +=3D counter_arr_virt[PRV_U]; + } + +done: + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + result =3D upper_half ? curr_val >> 32 : curr_val; + } else { + result =3D curr_val; + } + + return result; +} + static RISCVException write_mhpmcounter(CPURISCVState *env, int csrno, target_ulong val) { int ctr_idx =3D csrno - CSR_MCYCLE; PMUCTRState *counter =3D &env->pmu_ctrs[ctr_idx]; uint64_t mhpmctr_val =3D val; - bool instr =3D riscv_pmu_ctr_monitor_instructions(env, ctr_idx); =20 counter->mhpmcounter_val =3D val; - if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || instr) { - counter->mhpmcounter_prev =3D get_ticks(false, instr); + if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || + riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { + counter->mhpmcounter_prev =3D riscv_pmu_ctr_get_fixed_counters_val= (env, + ctr_idx, f= alse); if (ctr_idx > 2) { if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { mhpmctr_val =3D mhpmctr_val | @@ -1058,12 +1103,13 @@ static RISCVException write_mhpmcounterh(CPURISCVSt= ate *env, int csrno, PMUCTRState *counter =3D &env->pmu_ctrs[ctr_idx]; uint64_t mhpmctr_val =3D counter->mhpmcounter_val; uint64_t mhpmctrh_val =3D val; - bool instr =3D riscv_pmu_ctr_monitor_instructions(env, ctr_idx); =20 counter->mhpmcounterh_val =3D val; mhpmctr_val =3D mhpmctr_val | (mhpmctrh_val << 32); - if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || instr) { - counter->mhpmcounterh_prev =3D get_ticks(true, instr); + if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || + riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { + counter->mhpmcounterh_prev =3D riscv_pmu_ctr_get_fixed_counters_va= l(env, + ctr_idx, = true); if (ctr_idx > 2) { riscv_pmu_setup_timer(env, mhpmctr_val, ctr_idx); } @@ -1082,7 +1128,6 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVStat= e *env, target_ulong *val, counter->mhpmcounter_prev; target_ulong ctr_val =3D upper_half ? counter->mhpmcounterh_val : counter->mhpmcounter_val; - bool instr =3D riscv_pmu_ctr_monitor_instructions(env, ctr_idx); =20 if (get_field(env->mcountinhibit, BIT(ctr_idx))) { /* @@ -1103,8 +1148,10 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVSta= te *env, target_ulong *val, * The kernel computes the perf delta by subtracting the current value= from * the value it initialized previously (ctr_val). */ - if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || instr) { - *val =3D get_ticks(upper_half, instr) - ctr_prev + ctr_val; + if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || + riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { + *val =3D riscv_pmu_ctr_get_fixed_counters_val(env, ctr_idx, upper_= half) - + ctr_prev + ctr_val; } else { *val =3D ctr_val; } diff --git a/target/riscv/pmu.c b/target/riscv/pmu.c index 0e7d58b8a5..ac648cff8d 100644 --- a/target/riscv/pmu.c +++ b/target/riscv/pmu.c @@ -19,6 +19,7 @@ #include "qemu/osdep.h" #include "qemu/log.h" #include "qemu/error-report.h" +#include "qemu/timer.h" #include "cpu.h" #include "pmu.h" #include "sysemu/cpu-timers.h" @@ -176,6 +177,97 @@ static int riscv_pmu_incr_ctr_rv64(RISCVCPU *cpu, uint= 32_t ctr_idx) return 0; } =20 +/* + * Information needed to update counters: + * new_priv, new_virt: To correctly save starting snapshot for the newly + * started mode. Look at array being indexed with new= prv. + * old_priv, old_virt: To correctly select previous snapshot for old priv + * and compute delta. Also to select correct counter + * to inc. Look at arrays being indexed with env->pri= v. + * + * To avoid the complexity of calling this function, we assume that + * env->priv and env->virt_enabled contain old priv and old virt and + * new priv and new virt values are passed in as arguments. + */ +static void riscv_pmu_icount_update_priv(CPURISCVState *env, + target_ulong newpriv, bool new_vi= rt) +{ + uint64_t *snapshot_prev, *snapshot_new; + uint64_t current_icount; + uint64_t *counter_arr; + uint64_t delta; + + if (icount_enabled()) { + current_icount =3D icount_get_raw(); + } else { + current_icount =3D cpu_get_host_ticks(); + } + + if (env->virt_enabled) { + counter_arr =3D env->pmu_fixed_ctrs[1].counter_virt; + snapshot_prev =3D env->pmu_fixed_ctrs[1].counter_virt_prev; + } else { + counter_arr =3D env->pmu_fixed_ctrs[1].counter; + snapshot_prev =3D env->pmu_fixed_ctrs[1].counter_prev; + } + + if (new_virt) { + snapshot_new =3D env->pmu_fixed_ctrs[1].counter_virt_prev; + } else { + snapshot_new =3D env->pmu_fixed_ctrs[1].counter_prev; + } + + /* + * new_priv can be same as env->priv. So we need to calculate + * delta first before updating snapshot_new[new_priv]. + */ + delta =3D current_icount - snapshot_prev[env->priv]; + snapshot_new[newpriv] =3D current_icount; + + counter_arr[env->priv] +=3D delta; +} + +static void riscv_pmu_cycle_update_priv(CPURISCVState *env, + target_ulong newpriv, bool new_vir= t) +{ + uint64_t *snapshot_prev, *snapshot_new; + uint64_t current_ticks; + uint64_t *counter_arr; + uint64_t delta; + + if (icount_enabled()) { + current_ticks =3D icount_get(); + } else { + current_ticks =3D cpu_get_host_ticks(); + } + + if (env->virt_enabled) { + counter_arr =3D env->pmu_fixed_ctrs[0].counter_virt; + snapshot_prev =3D env->pmu_fixed_ctrs[0].counter_virt_prev; + } else { + counter_arr =3D env->pmu_fixed_ctrs[0].counter; + snapshot_prev =3D env->pmu_fixed_ctrs[0].counter_prev; + } + + if (new_virt) { + snapshot_new =3D env->pmu_fixed_ctrs[0].counter_virt_prev; + } else { + snapshot_new =3D env->pmu_fixed_ctrs[0].counter_prev; + } + + delta =3D current_ticks - snapshot_prev[env->priv]; + snapshot_new[newpriv] =3D current_ticks; + + counter_arr[env->priv] +=3D delta; +} + +void riscv_pmu_update_fixed_ctrs(CPURISCVState *env, target_ulong newpriv, + bool new_virt) +{ + riscv_pmu_cycle_update_priv(env, newpriv, new_virt); + riscv_pmu_icount_update_priv(env, newpriv, new_virt); +} + int riscv_pmu_incr_ctr(RISCVCPU *cpu, enum riscv_pmu_event_idx event_idx) { uint32_t ctr_idx; --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268809; cv=none; d=zohomail.com; s=zohoarc; b=Raex++MuznZ61EUjdcA7ZI+7QFTbSicHRB7MdvzTXIJDEUtodcNbtyPN59tmkRVrJEX1ZiIqqFE0YT4jtvcS3sr/tyP8/h0f+0nUIOWQ05hqZ+KLU+JnUey+5ezI6p6VQoGv9F3Y7h4vjSf3T+sSv4nrG0ZRQaSSvIBaNN2iSvI= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268809; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=wQ3ir6R/Un7beJ33KrZqh4N2Z21J7s720KQ1RD1Jasg=; b=TN1jJ1xipOob57fhU1mRPU9vUJtDWI7hdTu5I9U5R2bG8g9l8pJICqVglQrtcNEBRn0ac17/44aK0rp0igKB9r05Kw4h7slM2Cf+U0eCL038IysquvJPGqbbxmb5dP559nz7EKGSW/6Pi+9t0zf0nGEDfCHmJaWIeS45LYJJMSs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268809822217.10730661221396; Wed, 17 Jul 2024 19:13:29 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGcP-0000FR-Kz; Wed, 17 Jul 2024 22:11:50 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcH-0008Eb-9L for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:33 -0400 Received: from mail-pl1-x630.google.com ([2607:f8b0:4864:20::630]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcF-0003WS-A0 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:32 -0400 Received: by mail-pl1-x630.google.com with SMTP id d9443c01a7336-1fb1c918860so11488495ad.1 for ; Wed, 17 Jul 2024 19:11:30 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.27 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:29 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268690; x=1721873490; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=wQ3ir6R/Un7beJ33KrZqh4N2Z21J7s720KQ1RD1Jasg=; b=grfRsYXeAaEtIHzbojI4ZKDCGnBt0rp3PSxkqrfJIQJQ22DazOAlluXFHra+laQ0bz ghxXq6Y9wnE6Bp8zuDb8dvw8s4pzdKmmwxrRb4LyC1m2t/ZYJg5DRoAnTUwk+65eOgBD zqgTXC4XJaqlDNJWDDyySCIoTGvx1Csklfg2ggwbB7O+Rjuk9qd84VJtgAIm9x0nCOAt VTar/C7aSbZ3cbqvdON4OrFxHpTf3YRdyyVuM4fBFIf95mbOyEZmm+S2W2Q1nzAoR1qX 2QShPYI9HCOsA96xLBUX2WtRp7mgZlnbScbdXJyPzYcyI6IRJ5HVE2aLtuw87DJ5j33N P2ZA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268690; x=1721873490; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=wQ3ir6R/Un7beJ33KrZqh4N2Z21J7s720KQ1RD1Jasg=; b=Kt9BZmlTEmcExPjUdH33lLuJXRnXdTa3/jm6yBQGbk5JRfRG+HcmVJRJOFhKkhH48E MNS8cZmmcnzKi9Hq3zqW5kv21xPK9RHXl7VRBsPriAj2t5X6GqMsWWxTh4Bh6sq5BL2z qs6rUzxhXaSVvFsOofWBkAaI7Kv2dsD+P0ROOMDGXPu1lPZPQj8KOikTeNeis6esLq9R 2QbBi1UjCvu8+xW3sgcqVw77rh9lUPUnkvgSzdpDFt+Df/GwF4VZfHzT3wTxb+lRh8LC basBRaINs7LmR58HkB9GrALuDSJGa/PV/z2nzPJ8tlkIRD6kP169BuzCp9E3XdJxmFPO wC/Q== X-Gm-Message-State: AOJu0Yw6d+9DKod5/ZniwWj31BJ+YHPd1IK1H0Y8te25ZquR8rIWsdVS 6zht4Fo9CNS84ozaom9Fg5w1Wei6yL1yMhhFgWSCQUAzxyMbfL3OjdIGfPGm X-Google-Smtp-Source: AGHT+IH2U87xsLVD2oTDtR1OWGR5RIRUin0vpsbKm02pLrwk4A6dEFiXU2pgv2q6yzcJt93Mt6417w== X-Received: by 2002:a17:903:234a:b0:1fb:7530:61c6 with SMTP id d9443c01a7336-1fc5b5e064bmr22294325ad.2.1721268689763; Wed, 17 Jul 2024 19:11:29 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Alistair Francis , Daniel Henrique Barboza Subject: [PULL 22/30] target/riscv: Save counter values during countinhibit update Date: Thu, 18 Jul 2024 12:10:04 +1000 Message-ID: <20240718021012.2057986-23-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::630; envelope-from=alistair23@gmail.com; helo=mail-pl1-x630.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268810081116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra Currently, if a counter monitoring cycle/instret is stopped via mcountinhibit we just update the state while the value is saved during the next read. This is not accurate as the read may happen many cycles after the counter is stopped. Ideally, the read should return the value saved when the counter is stopped. Thus, save the value of the counter during the inhibit update operation and return that value during the read if corresponding bit in mcountihibit is set. Acked-by: Alistair Francis Reviewed-by: Daniel Henrique Barboza Signed-off-by: Atish Patra Message-ID: <20240711-smcntrpmf_v7-v8-8-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.h | 1 - target/riscv/csr.c | 34 ++++++++++++++++++++++------------ target/riscv/machine.c | 5 ++--- 3 files changed, 24 insertions(+), 16 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index f515ad072b..093c86b8b9 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -176,7 +176,6 @@ typedef struct PMUCTRState { target_ulong mhpmcounter_prev; /* Snapshort value of a counter in RV32 */ target_ulong mhpmcounterh_prev; - bool started; /* Value beyond UINT32_MAX/UINT64_MAX before overflow interrupt trigge= r */ target_ulong irq_overflow_left; } PMUCTRState; diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 85d3f0aa3f..b7a24f9c60 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1131,17 +1131,11 @@ static RISCVException riscv_pmu_read_ctr(CPURISCVSt= ate *env, target_ulong *val, =20 if (get_field(env->mcountinhibit, BIT(ctr_idx))) { /* - * Counter should not increment if inhibit bit is set. We can't re= ally - * stop the icount counting. Just return the counter value written= by - * the supervisor to indicate that counter was not incremented. + * Counter should not increment if inhibit bit is set. Just return= the + * current counter value. */ - if (!counter->started) { - *val =3D ctr_val; - return RISCV_EXCP_NONE; - } else { - /* Mark that the counter has been stopped */ - counter->started =3D false; - } + *val =3D ctr_val; + return RISCV_EXCP_NONE; } =20 /* @@ -2183,9 +2177,25 @@ static RISCVException write_mcountinhibit(CPURISCVSt= ate *env, int csrno, =20 /* Check if any other counter is also monitoring cycles/instructions */ for (cidx =3D 0; cidx < RV_MAX_MHPMCOUNTERS; cidx++) { - if (!get_field(env->mcountinhibit, BIT(cidx))) { counter =3D &env->pmu_ctrs[cidx]; - counter->started =3D true; + if (get_field(env->mcountinhibit, BIT(cidx)) && (val & BIT(cidx)))= { + /* + * Update the counter value for cycle/instret as we can't stop= the + * host ticks. But we should show the current value at this mo= ment. + */ + if (riscv_pmu_ctr_monitor_cycles(env, cidx) || + riscv_pmu_ctr_monitor_instructions(env, cidx)) { + counter->mhpmcounter_val =3D + riscv_pmu_ctr_get_fixed_counters_val(env, cidx, false)= - + counter->mhpmcounter_prev + + counter->mhpmcounter_val; + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + counter->mhpmcounterh_val =3D + riscv_pmu_ctr_get_fixed_counters_val(env, cidx, tr= ue) - + counter->mhpmcounterh_prev= + + counter->mhpmcounterh_val; + } + } } } =20 diff --git a/target/riscv/machine.c b/target/riscv/machine.c index 76f2150f78..492c2c6d9d 100644 --- a/target/riscv/machine.c +++ b/target/riscv/machine.c @@ -320,15 +320,14 @@ static bool pmu_needed(void *opaque) =20 static const VMStateDescription vmstate_pmu_ctr_state =3D { .name =3D "cpu/pmu", - .version_id =3D 1, - .minimum_version_id =3D 1, + .version_id =3D 2, + .minimum_version_id =3D 2, .needed =3D pmu_needed, .fields =3D (const VMStateField[]) { VMSTATE_UINTTL(mhpmcounter_val, PMUCTRState), VMSTATE_UINTTL(mhpmcounterh_val, PMUCTRState), VMSTATE_UINTTL(mhpmcounter_prev, PMUCTRState), VMSTATE_UINTTL(mhpmcounterh_prev, PMUCTRState), - VMSTATE_BOOL(started, PMUCTRState), VMSTATE_END_OF_LIST() } }; --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268796; cv=none; d=zohomail.com; s=zohoarc; b=Qu3CBjUkk9zqgXIdoHhb5N8qS9L0/ad386ajvvWlWkh9FTC41aGPG7pxn8RsZj6d2VMYbrn0nGQ3zKTxNjG/1Lt8diJyr3aeAY9ZjundVKFzHYVrRcCMeZSiBUu1mw4gfmgNLOO2UaLoTzT1JwfyX7TbaG8W2G+8rJevpQwF9O0= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268796; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=SigXo9JFKeTNramL+H42np6aFUN6W3LsbIdms9vmOc4=; b=n8om29EI2ANTU/45b6g0QUfm5sR01VeauGHBupYgIr4Q/zMUoTk7u+Aw5yYJ0zo5zMkaReasIF+4pxsUAxKxF7f41W5EA+oPUQaHy0tpbIisfEFPcbz0DcilJ+uAM4D06urEAXhWfWq7PHpcIUr5rB9Qe4POGqtwGdxq7oeqx4E= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 172126879656020.149209815712993; Wed, 17 Jul 2024 19:13:16 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGch-0001pe-7U; Wed, 17 Jul 2024 22:12:01 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcL-0000F5-Qz for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:39 -0400 Received: from mail-pl1-x632.google.com ([2607:f8b0:4864:20::632]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcI-0003Wo-Gm for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:36 -0400 Received: by mail-pl1-x632.google.com with SMTP id d9443c01a7336-1fb1c918860so11488625ad.1 for ; Wed, 17 Jul 2024 19:11:34 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.30 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:32 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268693; x=1721873493; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=SigXo9JFKeTNramL+H42np6aFUN6W3LsbIdms9vmOc4=; b=MkA+zambbCQBFTi3Ui0cLYeQEPoqRUWw6VFNduT5qqzY1K62t4zxVHRML4/7haJ7aJ guDPC6Yr+A+Fari2UqIushdA0Jyv+KjuI9t24N9v6J+HEF9MSQOd++ZrPzkqZxVICmFq EM3O2wOGoQwCqAed++jf3xj7bbhAwAZGU8hURDeVoxZIqwEVgNzWKls19CK6TUx2hm+/ OlgWstmtlFryuXynWRRMzcvFFsNuEf7usJPsn1eVDXaSb1fYJCZREX/ekq8TNzDYqKdP iDd3zrdSS6QRk4xQg+Qa5nglQVt7QCKfYpX2GgwQnsyDcYwQ5iv1aWtdjpyQ6iVMZC9j gzbw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268693; x=1721873493; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=SigXo9JFKeTNramL+H42np6aFUN6W3LsbIdms9vmOc4=; b=nBT3VSj1z/Lf8qpHEv9HfUTTlChoAECl17QnTGnO7OTlPNBYN/e9YDSsRKUMbhFiQB ioKYRfjRPfQqviqYY+joKHe32aPgCXgq1S8p6MGxOqNz/hFIj6slrXQCBNvzM1+OWsbh m4Dk4jphGKatCXnt6HsLOJmj2e807jwn/M5A0qGBnhKHYuMvoFpfFOLMJrb8AWMntXLf Q5XxXglH3PspYYT8/Usoi+Rr+cLcYokUGj7KHEDuUms5OS8j/mji2jcIuTyiPnkTvhqJ XzxWeQH7ECN1CHvvDtPh7ik8emkJlFJ+vrnMjZr/Smb+l+Zw+rcpNM0jzXpu90uW5viM GvWg== X-Gm-Message-State: AOJu0YxLd3bF/kCBQkOQ8rFM2fCU9yGnicY55e8GaQslb0yxhW5YcbT7 YDwv6it/hq2D+gMsu22BDjZv7c0IgI/6TL7t+IzDUVd8D3oqAndl8bUfE1nw X-Google-Smtp-Source: AGHT+IHfHZfqY9K/uWj8mAqvwMsqKQquLAGwJflCLd9IhMfUuIFBrGVhQE0JcZcUJ2t7384vMzA/mA== X-Received: by 2002:a17:902:f651:b0:1fb:9cb0:3e46 with SMTP id d9443c01a7336-1fc5b5dd433mr24532875ad.7.1721268692755; Wed, 17 Jul 2024 19:11:32 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 23/30] target/riscv: Enforce WARL behavior for scounteren/hcounteren Date: Thu, 18 Jul 2024 12:10:05 +1000 Message-ID: <20240718021012.2057986-24-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::632; envelope-from=alistair23@gmail.com; helo=mail-pl1-x632.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268798108116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra scounteren/hcountern are also WARL registers similar to mcountern. Only set the bits for the available counters during the write to preserve the WARL behavior. Signed-off-by: Atish Patra Reviewed-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Message-ID: <20240711-smcntrpmf_v7-v8-9-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/csr.c | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index b7a24f9c60..d6c5b73afd 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -3063,7 +3063,11 @@ static RISCVException read_scounteren(CPURISCVState = *env, int csrno, static RISCVException write_scounteren(CPURISCVState *env, int csrno, target_ulong val) { - env->scounteren =3D val; + RISCVCPU *cpu =3D env_archcpu(env); + + /* WARL register - disable unavailable counters */ + env->scounteren =3D val & (cpu->pmu_avail_ctrs | COUNTEREN_CY | COUNTE= REN_TM | + COUNTEREN_IR); return RISCV_EXCP_NONE; } =20 @@ -3722,7 +3726,11 @@ static RISCVException read_hcounteren(CPURISCVState = *env, int csrno, static RISCVException write_hcounteren(CPURISCVState *env, int csrno, target_ulong val) { - env->hcounteren =3D val; + RISCVCPU *cpu =3D env_archcpu(env); + + /* WARL register - disable unavailable counters */ + env->hcounteren =3D val & (cpu->pmu_avail_ctrs | COUNTEREN_CY | COUNTE= REN_TM | + COUNTEREN_IR); return RISCV_EXCP_NONE; } =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268894; cv=none; d=zohomail.com; s=zohoarc; b=dZw4zpRfzZ6mhuBglFGYYTBnHRpzjjSHxvOJzY2HE7tsIxG1DnKNMidvENUKBcBOGH0/+6K42rYSku9kMJuJyt/CDznyZMHhS0mcbQqdZlpxeoom360YJDIOtlxK8y1k98DLRdeW2gx7yMQMPutINkusoYUdjyH+mJivDvZ+RXk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268894; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=E8cWbKkT7M84MGGAu2FLVm64KRcLw5vpyDYslYBj4tE=; b=PV1OJFHhuw0Bch+1IyLWOSIkyQajwNRozFU411WdOvNZHFmXZxHUhOCJDiHsz2yMnq32KktUEXClnYJqFNPn3f0zNzvIE4yg5CjGN/4/3cwHuIjKKdznp2ZzgtzDQjI6VGPWvXiqqtAPi/iJ3f6mYYoMs9cRoTMOA5i1+aZ/k+s= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268894560940.1592909191935; Wed, 17 Jul 2024 19:14:54 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGd1-0003DU-FP; Wed, 17 Jul 2024 22:12:19 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcN-0000S6-Og for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:43 -0400 Received: from mail-pl1-x62b.google.com ([2607:f8b0:4864:20::62b]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcL-0003Y2-LY for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:39 -0400 Received: by mail-pl1-x62b.google.com with SMTP id d9443c01a7336-1fc49c1f3e5so3127705ad.1 for ; Wed, 17 Jul 2024 19:11:36 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.33 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:35 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268696; x=1721873496; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=E8cWbKkT7M84MGGAu2FLVm64KRcLw5vpyDYslYBj4tE=; b=NnCYTEu4pSC9X2bicFdYNo6ShW8jpKuDbGhTe6wj89L2Q05M7m5W/z4F8Lm/QS0LUU o07viCfjeyJzo5e9Ak1wLGWhzkB+8Zah0VwzELSMrSMhiJlhVSW17z6HSNgulhPA2nEy nRqkbrnlnQITcHWAOSZ61wyMY75yXsv888rD3mnc8U+hER4p7hujhxjQGLVX7bVnhQAj Pdhn7Ml+CaTgIKSGhxrzz+kxMyzF88RBdoIYDDaGY78FSThWCTclu5siCt2n8Q33A1Te Tryj8MPZvYOgL3Zr3bqg/5wVs+b/Zocf+SujfuKFZxADjbsgubqYw2ZvVq7e6jtHSisJ 8xYQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268696; x=1721873496; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=E8cWbKkT7M84MGGAu2FLVm64KRcLw5vpyDYslYBj4tE=; b=djRI3MkmOGLuLi2OuX1y9hMJAB9vz1pr8IqoCoWhteQLxwOXGOY3VQCnIxeCltoAvR cssAUF1CnRFb/E8rUzEFCM7uBd4W8UtMzJtLuUKTikJ/lpbPYaCpgLeV3O/ntpd5G2jk jUwu+fPDq6hpbcrbE9FS+zt3iCfi30GhK1RX73oORpDXdqFys7J3yxbl9+eETVfuuDuv bRQBi60GhSfmtSkRD0Ftpl/XqLf8KP7N87+ed3hgfPldYcUu/q4FpeRmseYHxtinDQqS K968zUXnkaDiKuI54pbx8alsR6xEIzgIr1wgMnCrxqD5eC4BZ3hdOG7G/vzL/f6RaGsE gMxw== X-Gm-Message-State: AOJu0YzN+3pK1b5ZGKUdphtNpRcYc3nAECaCohaNo+AZ5WqEthomd4Qm cQkPDf1Xl+RundTQYBUjLHEBy5YHy5AYMtj33hqfr+wpBQOhlzEDqSn6NUU8 X-Google-Smtp-Source: AGHT+IGmSpFJZhzDezMU4xo0dalYdR5wapFOpxhZFivPHcluNSXFNOyCNdNvXtuPt893/eHHULcO2A== X-Received: by 2002:a17:902:ea04:b0:1fb:9a83:4496 with SMTP id d9443c01a7336-1fc4e11f2e5mr31108875ad.2.1721268695773; Wed, 17 Jul 2024 19:11:35 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Rajnesh Kanwal , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 24/30] target/riscv: Start counters from both mhpmcounter and mcountinhibit Date: Thu, 18 Jul 2024 12:10:06 +1000 Message-ID: <20240718021012.2057986-25-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62b; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62b.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268896406116300 Content-Type: text/plain; charset="utf-8" From: Rajnesh Kanwal Currently we start timer counter from write_mhpmcounter path only without checking for mcountinhibit bit. This changes adds mcountinhibit check and also programs the counter from write_mcountinhibit as well. When a counter is stopped using mcountinhibit we simply update the value of the counter based on current host ticks and save it for future reads. We don't need to disable running timer as pmu_timer_trigger_irq will discard the interrupt if the counter has been inhibited. Signed-off-by: Rajnesh Kanwal Reviewed-by: Daniel Henrique Barboza Message-ID: <20240711-smcntrpmf_v7-v8-10-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/csr.c | 75 ++++++++++++++++++++++++++++++++-------------- target/riscv/pmu.c | 3 +- 2 files changed, 54 insertions(+), 24 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index d6c5b73afd..bb6ac33ac2 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1077,8 +1077,9 @@ static RISCVException write_mhpmcounter(CPURISCVState= *env, int csrno, uint64_t mhpmctr_val =3D val; =20 counter->mhpmcounter_val =3D val; - if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || - riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { + if (!get_field(env->mcountinhibit, BIT(ctr_idx)) && + (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || + riscv_pmu_ctr_monitor_instructions(env, ctr_idx))) { counter->mhpmcounter_prev =3D riscv_pmu_ctr_get_fixed_counters_val= (env, ctr_idx, f= alse); if (ctr_idx > 2) { @@ -1106,8 +1107,9 @@ static RISCVException write_mhpmcounterh(CPURISCVStat= e *env, int csrno, =20 counter->mhpmcounterh_val =3D val; mhpmctr_val =3D mhpmctr_val | (mhpmctrh_val << 32); - if (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || - riscv_pmu_ctr_monitor_instructions(env, ctr_idx)) { + if (!get_field(env->mcountinhibit, BIT(ctr_idx)) && + (riscv_pmu_ctr_monitor_cycles(env, ctr_idx) || + riscv_pmu_ctr_monitor_instructions(env, ctr_idx))) { counter->mhpmcounterh_prev =3D riscv_pmu_ctr_get_fixed_counters_va= l(env, ctr_idx, = true); if (ctr_idx > 2) { @@ -2170,31 +2172,60 @@ static RISCVException write_mcountinhibit(CPURISCVS= tate *env, int csrno, int cidx; PMUCTRState *counter; RISCVCPU *cpu =3D env_archcpu(env); + uint32_t present_ctrs =3D cpu->pmu_avail_ctrs | COUNTEREN_CY | COUNTER= EN_IR; + target_ulong updated_ctrs =3D (env->mcountinhibit ^ val) & present_ctr= s; + uint64_t mhpmctr_val, prev_count, curr_count; =20 /* WARL register - disable unavailable counters; TM bit is always 0 */ - env->mcountinhibit =3D - val & (cpu->pmu_avail_ctrs | COUNTEREN_CY | COUNTEREN_IR); + env->mcountinhibit =3D val & present_ctrs; =20 /* Check if any other counter is also monitoring cycles/instructions */ for (cidx =3D 0; cidx < RV_MAX_MHPMCOUNTERS; cidx++) { - counter =3D &env->pmu_ctrs[cidx]; - if (get_field(env->mcountinhibit, BIT(cidx)) && (val & BIT(cidx)))= { - /* - * Update the counter value for cycle/instret as we can't stop= the - * host ticks. But we should show the current value at this mo= ment. - */ - if (riscv_pmu_ctr_monitor_cycles(env, cidx) || - riscv_pmu_ctr_monitor_instructions(env, cidx)) { - counter->mhpmcounter_val =3D - riscv_pmu_ctr_get_fixed_counters_val(env, cidx, false)= - - counter->mhpmcounter_prev + - counter->mhpmcounter_val; + if (!(updated_ctrs & BIT(cidx)) || + (!riscv_pmu_ctr_monitor_cycles(env, cidx) && + !riscv_pmu_ctr_monitor_instructions(env, cidx))) { + continue; + } + + counter =3D &env->pmu_ctrs[cidx]; + + if (!get_field(env->mcountinhibit, BIT(cidx))) { + counter->mhpmcounter_prev =3D + riscv_pmu_ctr_get_fixed_counters_val(env, cidx, false); + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + counter->mhpmcounterh_prev =3D + riscv_pmu_ctr_get_fixed_counters_val(env, cidx, true); + } + + if (cidx > 2) { + mhpmctr_val =3D counter->mhpmcounter_val; if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { - counter->mhpmcounterh_val =3D - riscv_pmu_ctr_get_fixed_counters_val(env, cidx, tr= ue) - - counter->mhpmcounterh_prev= + - counter->mhpmcounterh_val; + mhpmctr_val =3D mhpmctr_val | + ((uint64_t)counter->mhpmcounterh_val << 32); } + riscv_pmu_setup_timer(env, mhpmctr_val, cidx); + } + } else { + curr_count =3D riscv_pmu_ctr_get_fixed_counters_val(env, cidx,= false); + + mhpmctr_val =3D counter->mhpmcounter_val; + prev_count =3D counter->mhpmcounter_prev; + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + uint64_t tmp =3D + riscv_pmu_ctr_get_fixed_counters_val(env, cidx, true); + + curr_count =3D curr_count | (tmp << 32); + mhpmctr_val =3D mhpmctr_val | + ((uint64_t)counter->mhpmcounterh_val << 32); + prev_count =3D prev_count | + ((uint64_t)counter->mhpmcounterh_prev << 32); + } + + /* Adjust the counter for later reads. */ + mhpmctr_val =3D curr_count - prev_count + mhpmctr_val; + counter->mhpmcounter_val =3D mhpmctr_val; + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + counter->mhpmcounterh_val =3D mhpmctr_val >> 32; } } } diff --git a/target/riscv/pmu.c b/target/riscv/pmu.c index ac648cff8d..63420d9f36 100644 --- a/target/riscv/pmu.c +++ b/target/riscv/pmu.c @@ -285,8 +285,7 @@ int riscv_pmu_incr_ctr(RISCVCPU *cpu, enum riscv_pmu_ev= ent_idx event_idx) } =20 ctr_idx =3D GPOINTER_TO_UINT(value); - if (!riscv_pmu_counter_enabled(cpu, ctr_idx) || - get_field(env->mcountinhibit, BIT(ctr_idx))) { + if (!riscv_pmu_counter_enabled(cpu, ctr_idx)) { return -1; } =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268992; cv=none; d=zohomail.com; s=zohoarc; b=OQ399C4XECCVqnJa1cZYT2dKxuSWokOFhUzJKlVIaj0M2INvXOubEEVGUyNeTJVgzT0GxhTBCk9PmP+9Nqk78/TLd0VgTlcA9ef/betcAocd/+zlOsGpvFSX88/Jv+dWCzrOuVkyXape9UzHuwfXgAJMpRBm0DKYoHP8kdnRWPk= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268992; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=OMLqLPGdKpMpGa2NCFkYMyr470auwHqwk3KIR1TgvtY=; b=TGkYxm4aSYMFrAcyyXSXjyGlmTjZj/K1IbogyjaGzVcOBSE/vsOiN+j92P3lnQssyl9wv7snh60xcfU9AuaUrkzw7tOZauHhy5Mw7bJF1vDMWMwPmcw9SBZyaHSWzGZ99EwjOS0IlhlaT6IH5S+o1talWOcC9SQYOYjoNSqtwrI= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268992686116.23920277924447; Wed, 17 Jul 2024 19:16:32 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGcj-0001ts-9c; Wed, 17 Jul 2024 22:12:03 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcR-0000jE-GG for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:50 -0400 Received: from mail-pl1-x629.google.com ([2607:f8b0:4864:20::629]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcO-0003Yl-Mw for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:42 -0400 Received: by mail-pl1-x629.google.com with SMTP id d9443c01a7336-1fb3cf78ff3so3051695ad.0 for ; Wed, 17 Jul 2024 19:11:39 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:38 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268699; x=1721873499; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=OMLqLPGdKpMpGa2NCFkYMyr470auwHqwk3KIR1TgvtY=; b=Yl9mlvDlhAItGYXtKfNptq8RT7aFJwlimGHtkiRnIUwyg9QFmkZDncTBjRW4YJzdw7 zD53Jqgrke0LXOoLtjT4cBhQVW2qLBZ0z5h4TVpuVoq9uACi+khKfM+7g4bzQyXNIr5E dHGWNXvhgG9Aj95BnxjBS0B7NQdkJ9acRNP6TJShaiyOqpCodH4GiR43/e6h9epoDT1z fxUYJyitJtfrLNjXxseGCR/BM1hD9G5ez9Db/AcCIMowvaB+kuGZcUis/nqGKYdEJMGp uoT4vYoztype/++0OBBxB2054L9nIGGrzKBBgewmZwXaZ7/IX3gqdMhrGBEC7FuQMpPY 6a2A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268699; x=1721873499; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=OMLqLPGdKpMpGa2NCFkYMyr470auwHqwk3KIR1TgvtY=; b=RHOm1Xy7AhlO+hMzOP3nsy0bF8eJQXnDTkwsT5jxEIk40Pp/h5Q456TGfmQDwnE1eK 4Twnninq97V/d9Y9j7DI1zgJ6yzYtsSs8Yg6YuPxl2Q4nfD8I5asD+LqUMmqi9Vpxrff zb/mUeV0QVZjAf9v7yESD8re4k6gsPyQcK9v+7ls1/zsDG33Chsno4PBP5ls3Mr3xyuI n6J+ZUtBExt3OVL0M7pUttft2r9DiTnrS4pp8/aaQ7GZdNPohro5BFjqFxeJ6htVO8TH 5Gec1hXmK3z5Y5n4mrqZuZgILjrRhLZnzgxBFqKoLYwqFZhHH6BKOpG3t0eoixBpJskm IRhg== X-Gm-Message-State: AOJu0Yz5faN1tVY6rvjcuZLeHdE4eInl0io76BTTDZp0O7TGUUG6gVfs xEMPgx2QEn0woa2/mYCvn1ugTl54h/torR/ovPnqnfiW4sric4CPAkKrE6sh X-Google-Smtp-Source: AGHT+IFTTNF2uvhHmncKcNZl6Wn8q8l2gZYzBAoqMjFAmwmZkvmYu4uX/CSbLkGghFp/aArmCDr7Hw== X-Received: by 2002:a17:902:d4cc:b0:1fc:39b2:2967 with SMTP id d9443c01a7336-1fc4e1367femr39502855ad.14.1721268698722; Wed, 17 Jul 2024 19:11:38 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Rajnesh Kanwal , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 25/30] target/riscv: More accurately model priv mode filtering. Date: Thu, 18 Jul 2024 12:10:07 +1000 Message-ID: <20240718021012.2057986-26-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::629; envelope-from=alistair23@gmail.com; helo=mail-pl1-x629.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268994793116300 Content-Type: text/plain; charset="utf-8" From: Rajnesh Kanwal In case of programmable counters configured to count inst/cycles we often end-up with counter not incrementing at all from kernel's perspective. For example: - Kernel configures hpm3 to count instructions and sets hpmcounter to -10000 and all modes except U mode are inhibited. - In QEMU we configure a timer to expire after ~10000 instructions. - Problem is, it's often the case that kernel might not even schedule Umode task and we hit the timer callback in QEMU. - In the timer callback we inject the interrupt into kernel, kernel runs the handler and reads hpmcounter3 value. - Given QEMU maintains individual counters to count for each privilege mode, and given umode never ran, the umode counter didn't increment and QEMU returns same value as was programmed by the kernel when starting the counter. - Kernel checks for overflow using previous and current value of the counter and reprograms the counter given there wasn't an overflow as per the counter value. (Which itself is a problem. We have QEMU telling kernel that counter3 overflowed but the counter value returned by QEMU doesn't seem to reflect that.). This change makes sure that timer is reprogrammed from the handler if the counter didn't overflow based on the counter value. Second, this change makes sure that whenever the counter is read, it's value is updated to reflect the latest count. Signed-off-by: Rajnesh Kanwal Reviewed-by: Daniel Henrique Barboza Message-ID: <20240711-smcntrpmf_v7-v8-11-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/pmu.h | 2 ++ target/riscv/csr.c | 5 ++++- target/riscv/pmu.c | 30 +++++++++++++++++++++++++++--- 3 files changed, 33 insertions(+), 4 deletions(-) diff --git a/target/riscv/pmu.h b/target/riscv/pmu.h index ca40cfeed6..3853d0e262 100644 --- a/target/riscv/pmu.h +++ b/target/riscv/pmu.h @@ -36,5 +36,7 @@ int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t va= lue, uint32_t ctr_idx); void riscv_pmu_update_fixed_ctrs(CPURISCVState *env, target_ulong newpriv, bool new_virt); +RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val, + bool upper_half, uint32_t ctr_idx); =20 #endif /* RISCV_PMU_H */ diff --git a/target/riscv/csr.c b/target/riscv/csr.c index bb6ac33ac2..781ef27eba 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1039,6 +1039,9 @@ static target_ulong riscv_pmu_ctr_get_fixed_counters_= val(CPURISCVState *env, goto done; } =20 + /* Update counter before reading. */ + riscv_pmu_update_fixed_ctrs(env, env->priv, env->virt_enabled); + if (!(cfg_val & MCYCLECFG_BIT_MINH)) { curr_val +=3D counter_arr[PRV_M]; } @@ -1122,7 +1125,7 @@ static RISCVException write_mhpmcounterh(CPURISCVStat= e *env, int csrno, return RISCV_EXCP_NONE; } =20 -static RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong = *val, +RISCVException riscv_pmu_read_ctr(CPURISCVState *env, target_ulong *val, bool upper_half, uint32_t ctr_idx) { PMUCTRState *counter =3D &env->pmu_ctrs[ctr_idx]; diff --git a/target/riscv/pmu.c b/target/riscv/pmu.c index 63420d9f36..a4729f6c53 100644 --- a/target/riscv/pmu.c +++ b/target/riscv/pmu.c @@ -425,6 +425,8 @@ static void pmu_timer_trigger_irq(RISCVCPU *cpu, target_ulong *mhpmevent_val; uint64_t of_bit_mask; int64_t irq_trigger_at; + uint64_t curr_ctr_val, curr_ctrh_val; + uint64_t ctr_val; =20 if (evt_idx !=3D RISCV_PMU_EVENT_HW_CPU_CYCLES && evt_idx !=3D RISCV_PMU_EVENT_HW_INSTRUCTIONS) { @@ -454,6 +456,26 @@ static void pmu_timer_trigger_irq(RISCVCPU *cpu, return; } =20 + riscv_pmu_read_ctr(env, (target_ulong *)&curr_ctr_val, false, ctr_idx); + ctr_val =3D counter->mhpmcounter_val; + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + riscv_pmu_read_ctr(env, (target_ulong *)&curr_ctrh_val, true, ctr_= idx); + curr_ctr_val =3D curr_ctr_val | (curr_ctrh_val << 32); + ctr_val =3D ctr_val | + ((uint64_t)counter->mhpmcounterh_val << 32); + } + + /* + * We can not accommodate for inhibited modes when setting up timer. C= heck + * if the counter has actually overflowed or not by comparing current + * counter value (accommodated for inhibited modes) with software writ= ten + * counter value. + */ + if (curr_ctr_val >=3D ctr_val) { + riscv_pmu_setup_timer(env, curr_ctr_val, ctr_idx); + return; + } + if (cpu->pmu_avail_ctrs & BIT(ctr_idx)) { /* Generate interrupt only if OF bit is clear */ if (!(*mhpmevent_val & of_bit_mask)) { @@ -475,7 +497,7 @@ void riscv_pmu_timer_cb(void *priv) =20 int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t value, uint32_t ctr= _idx) { - uint64_t overflow_delta, overflow_at; + uint64_t overflow_delta, overflow_at, curr_ns; int64_t overflow_ns, overflow_left =3D 0; RISCVCPU *cpu =3D env_archcpu(env); PMUCTRState *counter =3D &env->pmu_ctrs[ctr_idx]; @@ -506,8 +528,10 @@ int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t= value, uint32_t ctr_idx) } else { return -1; } - overflow_at =3D (uint64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + - overflow_ns; + curr_ns =3D (uint64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL); + overflow_at =3D curr_ns + overflow_ns; + if (overflow_at <=3D curr_ns) + overflow_at =3D UINT64_MAX; =20 if (overflow_at > INT64_MAX) { overflow_left +=3D overflow_at - INT64_MAX; --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268900; cv=none; d=zohomail.com; s=zohoarc; b=m2DyqjUECoDlzu9WX0d7mPhB+b6oakVJznI7aKH/l3peJ4eXL+/z+4QCmuROX56eJ9spshL8k1Gmjlates/t7ZphSw4itCN3EE/skx6/sU6TghKLexYvoh6xlCilMi/QTsecANQxZeIxw5hPW8lB0HffdbT65XgSYVlNdxLLpGo= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268900; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=zVutBx/1rvFWfLOrtQY3jqjYBvnyIfkoXQEDwqZMd/k=; b=QbfntZw52xKPcOZH8u13twAVyR9p64VCAahgt6naYks0nOmKdkDI12VZLCgX5Vq8kYoTSrbcRCjHrW6/NdZeqiWlR0t0fOTaft+RTooOgrwdPZaq58or4KZ3lTNNzYbFnszkuLLf/RKIH6kcgS/gGJRwX/r07dgSAGkaBLImC6A= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268900539494.9358235675818; Wed, 17 Jul 2024 19:15:00 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGd4-0003vT-CA; Wed, 17 Jul 2024 22:12:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcY-0001Dd-VT for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:53 -0400 Received: from mail-pl1-x62c.google.com ([2607:f8b0:4864:20::62c]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcR-0003cW-G5 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:45 -0400 Received: by mail-pl1-x62c.google.com with SMTP id d9443c01a7336-1fc65329979so233445ad.0 for ; Wed, 17 Jul 2024 19:11:43 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.39 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:41 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268702; x=1721873502; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=zVutBx/1rvFWfLOrtQY3jqjYBvnyIfkoXQEDwqZMd/k=; b=YoKBtc7SDbKBH9vFYpPp0Wkbko517iSjJrFwsEKkYRkPrAP9lk2lSBcAlI+3mMyxIm ti9fmJCkYShFY6atr77T1o5/DJGK/7YBmFC9SoKU1EcYZMKke2tgQNexCg/G1ijqsTgo g7VH1RFhXn/6VBAeTDs2hzMR2GrNuP3su8AcJTqISANqYDuSWtlc2eLg2UkDy5kSTEZD 44W1vt2YNme33JuSzeP1kCW48bkKqwyIKWUhTXUfwMl+b7oKQNVYM0m0enIvwovnGTaw H1n92j0bJYpalPmZIY+Lh99RzBRqiO1mUyUZHlkRnZeCVl2vgo7hvJGUzmigRZaqd8yN Q8OA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268702; x=1721873502; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=zVutBx/1rvFWfLOrtQY3jqjYBvnyIfkoXQEDwqZMd/k=; b=NmZUfjqYeb9NoH9/WuFlTKGg/ow53inhTqrgzgoGo8AHtE3ON1WAMRXsAKdAgpvpIm Ep/QARIA5k8JY3GcqoNkw8ItPqSQDNnflBhDxLZ/cuLTAOwWpxtRqDoNbFGO7JN4rlsG Oh+BAe5L7cu4dgBJV//Kco9/RXFtMdPU+eLBH4/m4i+6/1AzeAMKvbIORTtxev60xlJK U9PHwCDCW0GOJZagmBowbcN0MeynVOnnaDe+t0ebrjeTt/nVX8wAtLMSPyOgOzMBAauS FM3o6GQ5URixzUb07guibru8zMupfPCtWoEcvfJPA+kvMmshyO8wB4eZA6SCvg20yKXv mytA== X-Gm-Message-State: AOJu0Yy780mZfy9lsuK1X/drL4Id+jIwHUCeJ6Ps4Crh8cwcXdUJmNt/ 6wJdezxTDlmx52uFfJbQ9Kneim392IbCsH1fzOjfmPem+kWnWRH9VmAJOU7U X-Google-Smtp-Source: AGHT+IGYdMKK+I2/yRGeziF97KwbKvXYZj6cgyovVT4k2j4m24bmzrQcQ/qZP3NKrsPzslqJ6AldNA== X-Received: by 2002:a17:902:da92:b0:1fc:5a11:4ac7 with SMTP id d9443c01a7336-1fc5a114bc1mr14286535ad.64.1721268701638; Wed, 17 Jul 2024 19:11:41 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Daniel Henrique Barboza , Alistair Francis Subject: [PULL 26/30] target/riscv: Do not setup pmu timer if OF is disabled Date: Thu, 18 Jul 2024 12:10:08 +1000 Message-ID: <20240718021012.2057986-27-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62c; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62c.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268902373116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra The timer is setup function is invoked in both hpmcounter write and mcountinhibit write path. If the OF bit set, the LCOFI interrupt is disabled. There is no benefitting in setting up the qemu timer until LCOFI is cleared to indicate that interrupts can be fired again. Reviewed-by: Daniel Henrique Barboza Signed-off-by: Atish Patra Message-ID: <20240711-smcntrpmf_v7-v8-12-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/pmu.c | 56 ++++++++++++++++++++++++++++++++++++---------- 1 file changed, 44 insertions(+), 12 deletions(-) diff --git a/target/riscv/pmu.c b/target/riscv/pmu.c index a4729f6c53..3cc0b3648c 100644 --- a/target/riscv/pmu.c +++ b/target/riscv/pmu.c @@ -416,14 +416,49 @@ int riscv_pmu_update_event_map(CPURISCVState *env, ui= nt64_t value, return 0; } =20 +static bool pmu_hpmevent_is_of_set(CPURISCVState *env, uint32_t ctr_idx) +{ + target_ulong mhpmevent_val; + uint64_t of_bit_mask; + + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + mhpmevent_val =3D env->mhpmeventh_val[ctr_idx]; + of_bit_mask =3D MHPMEVENTH_BIT_OF; + } else { + mhpmevent_val =3D env->mhpmevent_val[ctr_idx]; + of_bit_mask =3D MHPMEVENT_BIT_OF; + } + + return get_field(mhpmevent_val, of_bit_mask); +} + +static bool pmu_hpmevent_set_of_if_clear(CPURISCVState *env, uint32_t ctr_= idx) +{ + target_ulong *mhpmevent_val; + uint64_t of_bit_mask; + + if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { + mhpmevent_val =3D &env->mhpmeventh_val[ctr_idx]; + of_bit_mask =3D MHPMEVENTH_BIT_OF; + } else { + mhpmevent_val =3D &env->mhpmevent_val[ctr_idx]; + of_bit_mask =3D MHPMEVENT_BIT_OF; + } + + if (!get_field(*mhpmevent_val, of_bit_mask)) { + *mhpmevent_val |=3D of_bit_mask; + return true; + } + + return false; +} + static void pmu_timer_trigger_irq(RISCVCPU *cpu, enum riscv_pmu_event_idx evt_idx) { uint32_t ctr_idx; CPURISCVState *env =3D &cpu->env; PMUCTRState *counter; - target_ulong *mhpmevent_val; - uint64_t of_bit_mask; int64_t irq_trigger_at; uint64_t curr_ctr_val, curr_ctrh_val; uint64_t ctr_val; @@ -439,12 +474,9 @@ static void pmu_timer_trigger_irq(RISCVCPU *cpu, return; } =20 - if (riscv_cpu_mxl(env) =3D=3D MXL_RV32) { - mhpmevent_val =3D &env->mhpmeventh_val[ctr_idx]; - of_bit_mask =3D MHPMEVENTH_BIT_OF; - } else { - mhpmevent_val =3D &env->mhpmevent_val[ctr_idx]; - of_bit_mask =3D MHPMEVENT_BIT_OF; + /* Generate interrupt only if OF bit is clear */ + if (pmu_hpmevent_is_of_set(env, ctr_idx)) { + return; } =20 counter =3D &env->pmu_ctrs[ctr_idx]; @@ -477,9 +509,7 @@ static void pmu_timer_trigger_irq(RISCVCPU *cpu, } =20 if (cpu->pmu_avail_ctrs & BIT(ctr_idx)) { - /* Generate interrupt only if OF bit is clear */ - if (!(*mhpmevent_val & of_bit_mask)) { - *mhpmevent_val |=3D of_bit_mask; + if (pmu_hpmevent_set_of_if_clear(env, ctr_idx)) { riscv_cpu_update_mip(env, MIP_LCOFIP, BOOL_TO_MASK(1)); } } @@ -502,7 +532,9 @@ int riscv_pmu_setup_timer(CPURISCVState *env, uint64_t = value, uint32_t ctr_idx) RISCVCPU *cpu =3D env_archcpu(env); PMUCTRState *counter =3D &env->pmu_ctrs[ctr_idx]; =20 - if (!riscv_pmu_counter_valid(cpu, ctr_idx) || !cpu->cfg.ext_sscofpmf) { + /* No need to setup a timer if LCOFI is disabled when OF is set */ + if (!riscv_pmu_counter_valid(cpu, ctr_idx) || !cpu->cfg.ext_sscofpmf || + pmu_hpmevent_is_of_set(env, ctr_idx)) { return -1; } =20 --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; 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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.42 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268704; x=1721873504; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=4rTV/9kQyF11tzWqFUGlJ6f4whn2rX97OUGdwnboGFc=; b=AXxmLBejL6+m6RA/3udz4ZWN7IkNSwzymphsyUL1hyC3XxqiqmDwO4/z4yfO923klP 6RZobWt+YF0b5OFSc4n1R77S5MqsXwepBxHLtNnwxm0vsLytYBMnNlXWyfbttKf2ywKg Sen4ZrDZAUnzS3acMXHckKSGdtzR2bIIxx0QGoxaZ97+E7m7RtwbFrt0rzlBdy9IjJ6b N+wrDLyceXY04D1ChzdtVG0qz8umQYJARadegs/C3IvyVE7C65I5TNSwvNDoSMjJSLQb nu5qrjE+exOEDZ8wgSIdXb4O1k0QAFOLRBY/WIxZ9qHfTvDat2kXHnxq978q3iZm3ELE OszQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268704; x=1721873504; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=4rTV/9kQyF11tzWqFUGlJ6f4whn2rX97OUGdwnboGFc=; b=IlabM8sj4oCVmPzCqNMrwv59FAHaXm5QnE/ZKySUm3x1ZMRpVJjaZbr3tZDKLSPM6M 04XySqLeh3+yASiaXa8Z0/pcwyApZXe8ncwKFM/r4pfNiRv4RBCRE82VEY3ZWTbUjsYG DY6wN7xTO3mZNUdaFa0JegGdyqQtXtYBIAlXZNy2QSOXHKLMhnTUC1OSnYI/2vvpAZSo Q/Fk5XpAtPwUahJqwbUNwX5j5C/Vk2tA7IuqO19NO2Nl/FSesCXorOhHi4eoWqhdXItz tAbNBhksgNTrfBzak/ogCOSGsjTLDd7/SKJzuJOZlb90LLD2/xQaK8To+6upk0oHGrYv uXiQ== X-Gm-Message-State: AOJu0YzP0/Hn2xpIEKsrsswVKqMdRWuXigXq5nB+6awVe2AgWyvR69O0 1fhZjnlnbdmz/6TYtg2zDtQuEUCEovozbMEdo5fHjYXHeqZr3IKQ+16CwKdm X-Google-Smtp-Source: AGHT+IF0vmIJpOC8FIBHPlXRS/o+91tKxeitcyviJlUUvnkYdv28D7sKfx9urnz5TPzD/sRHT3WDjw== X-Received: by 2002:a17:902:fb0c:b0:1f9:f3c6:ed37 with SMTP id d9443c01a7336-1fc4e131887mr26903805ad.14.1721268704358; Wed, 17 Jul 2024 19:11:44 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Atish Patra , Alistair Francis Subject: [PULL 27/30] target/riscv: Expose the Smcntrpmf config Date: Thu, 18 Jul 2024 12:10:09 +1000 Message-ID: <20240718021012.2057986-28-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::636; envelope-from=alistair23@gmail.com; helo=mail-pl1-x636.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268997000116300 Content-Type: text/plain; charset="utf-8" From: Atish Patra Create a new config for Smcntrpmf extension so that it can be enabled/ disabled from the qemu commandline. Signed-off-by: Atish Patra Acked-by: Alistair Francis Message-ID: <20240711-smcntrpmf_v7-v8-13-b7c38ae7b263@rivosinc.com> Signed-off-by: Alistair Francis --- target/riscv/cpu.c | 1 + 1 file changed, 1 insertion(+) diff --git a/target/riscv/cpu.c b/target/riscv/cpu.c index 4efe7ee3b0..a90808a3ba 100644 --- a/target/riscv/cpu.c +++ b/target/riscv/cpu.c @@ -1472,6 +1472,7 @@ const char *riscv_get_misa_ext_description(uint32_t b= it) const RISCVCPUMultiExtConfig riscv_cpu_extensions[] =3D { /* Defaults for standard extensions */ MULTI_EXT_CFG_BOOL("sscofpmf", ext_sscofpmf, false), + MULTI_EXT_CFG_BOOL("smcntrpmf", ext_smcntrpmf, false), MULTI_EXT_CFG_BOOL("zifencei", ext_zifencei, true), MULTI_EXT_CFG_BOOL("zicsr", ext_zicsr, true), MULTI_EXT_CFG_BOOL("zihintntl", ext_zihintntl, true), --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268891; cv=none; d=zohomail.com; s=zohoarc; b=Q3edkoUji31W8/MJHcUHktF2cdkMxifzRHKrN3VY4OcrUC0CsYPwp1JTYqDc09t3BPL96AR75umw0K8n/2gBqdEskQrYexRIm0t5QYzTyiWL05tUN4wAdFrgzmdXLP4ybH2igfUchKogidhi5EKeATfl9If0tHT9NG1HGLGOazA= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268891; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=pAgirqH2Ot9O6D3Yz4SqckgbcQJk1Uq7k4mObStrXEM=; b=Ha/p6r7gPIC03+ff/8uShKrfJ9Vs2KbSZNN8SvWy7c9Sa0Cl2pqj5j85qIzqnFa0umfyrp4eHOOCDIgXVneeQdNBN0wnNpO3bKtM568nFjp+VVjlUqI15IcXsKgSfZQZrNcL9CwaQaP6DTmngJa0K/eAgYQuk9JGXC43h2vOtkk= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268891694156.506206554242; Wed, 17 Jul 2024 19:14:51 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGd6-0004O6-Oa; Wed, 17 Jul 2024 22:12:24 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcc-0001Vd-BH for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:55 -0400 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcY-0003fg-Nr for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:53 -0400 Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-1fbc3a9d23bso2490445ad.1 for ; Wed, 17 Jul 2024 19:11:48 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.44 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268708; x=1721873508; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=pAgirqH2Ot9O6D3Yz4SqckgbcQJk1Uq7k4mObStrXEM=; b=KkZ2kKZmexEEr0Apy1+DIekjzYF6x3Pao63zgScd6Zjw5LSMz1/KchZ+srF6iefcFV JMLeEpLEhK+h/dFqDradjKpU9tCt9DPiRCgexz1BNWgvh6Uo06CoLw4apEDR2urmMzea iIGHB0mPj+7LE3L304qLsAfzUpaiL8o1KPkBJGqr3p/5ngMxD6yZ6eeYhkUDkFl4CNXz XuK1rBpgGd4B/rvjCVxm0M2JnNaiB/P13rWgP41LAjh7B5D0U/6d/1UmDNgtFv0OgCuD eHcSoGNweN/0NWCq3XR7lNorxtWCHQEksIgLVA6J2VK6e/OH2o1kCek5lzTOGnHZglh6 mZmw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268708; x=1721873508; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=pAgirqH2Ot9O6D3Yz4SqckgbcQJk1Uq7k4mObStrXEM=; b=KCV0NEUbriGjJDNRigl7uZhMLM11iHSGKp9mutHd2rbua4OeGdBQ9fcnpzzM8Bo+bV D/P/XZxzuJuMEqe6NifNqW8zp/N467OayUkbMR0meqjkehtJzc+2ZIZimNNHnFggimqR lu+KHdY+SsoSCw5n6ihx1wDqi9fSv/iRi5TAySOQ+BHk6JoKXshPrxaZ8cVKFYB5b95v utmeUK6TLxfKV1tOfGiflrUMvaUcdZb3SV+I0D+5RF6o6zsi2A5G5fPvKCbQC+xhJUyH qwbi493Z6hU/oWMDysuGqpFZXiwTfLGyXA4uRaXQUgm31FimtyhmM5HT7D+xhgV+ydQ/ utAQ== X-Gm-Message-State: AOJu0Yx5oCQaz8i6vgXEXs119TwTR8txaqRHEgXo3hlEmuxs7lP0YMYg QPLyJQ/J8tNavr7XIMFjdfpToCkk9ZMEQYmkM7jzV/RvZmyT2Awy/SNNzTy4 X-Google-Smtp-Source: AGHT+IHFrcc/nip3JPuvUYqLiqX8ceMXpcYcPcSjcHJUNYereqBFz9jjFnEY7FIvD0rQXGUQep413Q== X-Received: by 2002:a17:902:ecd0:b0:1fb:64da:b135 with SMTP id d9443c01a7336-1fc4e67c521mr32525255ad.42.1721268707582; Wed, 17 Jul 2024 19:11:47 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Yu-Ming Chang , Alvin Chang , Alistair Francis Subject: [PULL 28/30] target/riscv: raise an exception when CSRRS/CSRRC writes a read-only CSR Date: Thu, 18 Jul 2024 12:10:10 +1000 Message-ID: <20240718021012.2057986-29-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268892518116300 Content-Type: text/plain; charset="utf-8" From: Yu-Ming Chang Both CSRRS and CSRRC always read the addressed CSR and cause any read side effects regardless of rs1 and rd fields. Note that if rs1 specifies a regis= ter holding a zero value other than x0, the instruction will still attempt to w= rite the unmodified value back to the CSR and will cause any attendant side effe= cts. So if CSRRS or CSRRC tries to write a read-only CSR with rs1 which specifies a register holding a zero value, an illegal instruction exception should be raised. Signed-off-by: Yu-Ming Chang Signed-off-by: Alvin Chang Reviewed-by: Alistair Francis Message-ID: <172100444279.18077.6893072378718059541-0@git.sr.ht> Signed-off-by: Alistair Francis --- target/riscv/cpu.h | 4 +++ target/riscv/csr.c | 57 ++++++++++++++++++++++++++++++++++++---- target/riscv/op_helper.c | 6 ++--- 3 files changed, 58 insertions(+), 9 deletions(-) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 093c86b8b9..1619c3acb6 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -751,6 +751,8 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, void riscv_cpu_update_mask(CPURISCVState *env); bool riscv_cpu_is_32bit(RISCVCPU *cpu); =20 +RISCVException riscv_csrr(CPURISCVState *env, int csrno, + target_ulong *ret_value); RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, target_ulong new_value, target_ulong write_mask= ); @@ -783,6 +785,8 @@ typedef RISCVException (*riscv_csr_op_fn)(CPURISCVState= *env, int csrno, target_ulong new_value, target_ulong write_mask); =20 +RISCVException riscv_csrr_i128(CPURISCVState *env, int csrno, + Int128 *ret_value); RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno, Int128 *ret_value, Int128 new_value, Int128 write_mask); diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 781ef27eba..ea3560342c 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -4624,7 +4624,7 @@ static RISCVException rmw_seed(CPURISCVState *env, in= t csrno, =20 static inline RISCVException riscv_csrrw_check(CPURISCVState *env, int csrno, - bool write_mask) + bool write) { /* check privileges and return RISCV_EXCP_ILLEGAL_INST if check fails = */ bool read_only =3D get_field(csrno, 0xC00) =3D=3D 3; @@ -4646,7 +4646,7 @@ static inline RISCVException riscv_csrrw_check(CPURIS= CVState *env, } =20 /* read / write check */ - if (write_mask && read_only) { + if (write && read_only) { return RISCV_EXCP_ILLEGAL_INST; } =20 @@ -4733,11 +4733,22 @@ static RISCVException riscv_csrrw_do64(CPURISCVStat= e *env, int csrno, return RISCV_EXCP_NONE; } =20 +RISCVException riscv_csrr(CPURISCVState *env, int csrno, + target_ulong *ret_value) +{ + RISCVException ret =3D riscv_csrrw_check(env, csrno, false); + if (ret !=3D RISCV_EXCP_NONE) { + return ret; + } + + return riscv_csrrw_do64(env, csrno, ret_value, 0, 0); +} + RISCVException riscv_csrrw(CPURISCVState *env, int csrno, target_ulong *ret_value, target_ulong new_value, target_ulong write_mask) { - RISCVException ret =3D riscv_csrrw_check(env, csrno, write_mask); + RISCVException ret =3D riscv_csrrw_check(env, csrno, true); if (ret !=3D RISCV_EXCP_NONE) { return ret; } @@ -4785,13 +4796,45 @@ static RISCVException riscv_csrrw_do128(CPURISCVSta= te *env, int csrno, return RISCV_EXCP_NONE; } =20 +RISCVException riscv_csrr_i128(CPURISCVState *env, int csrno, + Int128 *ret_value) +{ + RISCVException ret; + + ret =3D riscv_csrrw_check(env, csrno, false); + if (ret !=3D RISCV_EXCP_NONE) { + return ret; + } + + if (csr_ops[csrno].read128) { + return riscv_csrrw_do128(env, csrno, ret_value, + int128_zero(), int128_zero()); + } + + /* + * Fall back to 64-bit version for now, if the 128-bit alternative isn= 't + * at all defined. + * Note, some CSRs don't need to extend to MXLEN (64 upper bits non + * significant), for those, this fallback is correctly handling the + * accesses + */ + target_ulong old_value; + ret =3D riscv_csrrw_do64(env, csrno, &old_value, + (target_ulong)0, + (target_ulong)0); + if (ret =3D=3D RISCV_EXCP_NONE && ret_value) { + *ret_value =3D int128_make64(old_value); + } + return ret; +} + RISCVException riscv_csrrw_i128(CPURISCVState *env, int csrno, Int128 *ret_value, Int128 new_value, Int128 write_mask) { RISCVException ret; =20 - ret =3D riscv_csrrw_check(env, csrno, int128_nz(write_mask)); + ret =3D riscv_csrrw_check(env, csrno, true); if (ret !=3D RISCV_EXCP_NONE) { return ret; } @@ -4830,7 +4873,11 @@ RISCVException riscv_csrrw_debug(CPURISCVState *env,= int csrno, #if !defined(CONFIG_USER_ONLY) env->debugger =3D true; #endif - ret =3D riscv_csrrw(env, csrno, ret_value, new_value, write_mask); + if (!write_mask) { + ret =3D riscv_csrr(env, csrno, ret_value); + } else { + ret =3D riscv_csrrw(env, csrno, ret_value, new_value, write_mask); + } #if !defined(CONFIG_USER_ONLY) env->debugger =3D false; #endif diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index ec1408ba0f..25a5263573 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -51,7 +51,7 @@ target_ulong helper_csrr(CPURISCVState *env, int csr) } =20 target_ulong val =3D 0; - RISCVException ret =3D riscv_csrrw(env, csr, &val, 0, 0); + RISCVException ret =3D riscv_csrr(env, csr, &val); =20 if (ret !=3D RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); @@ -84,9 +84,7 @@ target_ulong helper_csrrw(CPURISCVState *env, int csr, target_ulong helper_csrr_i128(CPURISCVState *env, int csr) { Int128 rv =3D int128_zero(); - RISCVException ret =3D riscv_csrrw_i128(env, csr, &rv, - int128_zero(), - int128_zero()); + RISCVException ret =3D riscv_csrr_i128(env, csr, &rv); =20 if (ret !=3D RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=fail; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=fail(p=none dis=none) header.from=gmail.com Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268891532161.25889202579822; Wed, 17 Jul 2024 19:14:51 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGd4-000422-LS; Wed, 17 Jul 2024 22:12:22 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcc-0001WE-I1 for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:55 -0400 Received: from mail-pl1-x62a.google.com ([2607:f8b0:4864:20::62a]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGca-0003gB-KL for qemu-devel@nongnu.org; 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[2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.47 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268711; x=1721873511; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=qlNSgnVZ4HEEVn2121aI1NCT2/j02sjH6kZ9iFY5oL4=; b=QwNdppPEzT/HqzGzxrZKzt85MurMwGi0djYwaU5NVKJXb4p5rAAgUCp5aMJyhl3GcH zV0d6yWAxQsQO8QkQ2rJxGaAO9AJaG/XD98UfWb38i5RDYQUw1APs2uJWJWKKD+X7Uls DqIDbGIVBZx7OgE3tHqzPEmRvLpeuxCyKOo4cv7kPGFDFhcYqYc4Albv0YZIV98wl674 bdD59yYfHtt0XSOHoRiegFbCFIi1aGTpQT+8I1mvrl32869DZ09Nl639ODdRprNg8ArU wEW+MpwwWig002dVecbJWaPI/wt95YoAsl4ecwrdjjBOE+Ndzq8q9nU6AFYxsFDkrfPE glOg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268711; x=1721873511; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=qlNSgnVZ4HEEVn2121aI1NCT2/j02sjH6kZ9iFY5oL4=; b=BYTlOBwLROgFXVaJL0pNeu/ga0GRw3phq8Axc7lrHG8Oi5pjEOeaCjNyPmMd7u4aAH k2yhBmA6n4a4NE+4TE43Mg4ff0VMvz0+ClSxoZAnJznZiK1CDB9EjARrAdLZ4RuNH97f dF5x39E7TBJmeHG0uvnIuCivX6o59hgV87gcWZ7KN0Ga7WoFGhs+hZ2UnImaoT6b5lev 7XSXxTY1Fc6QVZAkkLGGX4s7zkasUTpBUMaH+XxOEJEjagIZGx4aBtuNQWefBWA2U6MZ DZ3y3waLM0Vf1wiWJwjDXMJtPJQuYC4MwwuZqEy8OIOO11/RqpbCQjkq7e1CMnlT+uei 6TVw== X-Gm-Message-State: AOJu0YxdM6RypaU4CbOS8EtUFK8ucncmR3h2KTzc1ZnGhy01233TDavz ojBnF1HHnvYRWnQFwQRkzirUSoKsNtvjXJUP2LkyHRfXmgRO08ul/taadTJc X-Google-Smtp-Source: AGHT+IHJyN/ElwxSILR/gr97mjo2ja2gSSkpsotPzAWT/AfeFvN7U+KLTrNSmEbxjj9E3XXO7qMyww== X-Received: by 2002:a17:902:cec2:b0:1fb:24ea:fe29 with SMTP id d9443c01a7336-1fc5b62125emr23484105ad.15.1721268710800; Wed, 17 Jul 2024 19:11:50 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Daniel Henrique Barboza , Conor Dooley , Anup Patel , Alistair Francis Subject: [PULL 29/30] hw/riscv/virt.c: re-insert and deprecate 'riscv, delegate' Date: Thu, 18 Jul 2024 12:10:11 +1000 Message-ID: <20240718021012.2057986-30-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62a; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62a.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: fail (Header signature does not verify) X-ZM-MESSAGEID: 1721268892336116300 Content-Type: text/plain; charset="utf-8" From: Daniel Henrique Barboza Commit b1f1e9dcfa renamed 'riscv,delegate' to 'riscv,delegation' since it is the correct name as per dt-bindings, and the absence of the correct name will result in validation fails when dumping the dtb and using dt-validate. But this change has a side-effect: every other firmware available that is AIA capable is using 'riscv,delegate', and it will fault/misbehave if this property isn't present. The property was added back in QEMU 7.0, meaning we have 2 years of firmware development using the wrong property. Re-introducing 'riscv,delegate' while keeping 'riscv,delegation' allows older firmwares to keep booting with the 'virt' machine. 'riscv,delegate' is then marked for future deprecation with its use being discouraged from now on. Cc: Conor Dooley Cc: Anup Patel Fixes: b1f1e9dcfa ("hw/riscv/virt.c: aplic DT: rename prop to 'riscv, deleg= ation'") Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Message-ID: <20240715090455.145888-1-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- docs/about/deprecated.rst | 11 +++++++++++ hw/riscv/virt.c | 9 +++++++++ 2 files changed, 20 insertions(+) diff --git a/docs/about/deprecated.rst b/docs/about/deprecated.rst index 20b7a17cf0..88f0f03786 100644 --- a/docs/about/deprecated.rst +++ b/docs/about/deprecated.rst @@ -479,6 +479,17 @@ versions, aliases will point to newer CPU model versio= ns depending on the machine type, so management software must resolve CPU model aliases before starting a virtual machine. =20 +RISC-V "virt" board "riscv,delegate" DT property (since 9.1) +'''''''''''''''''''''''''''''''''''''''''''''''''''''''''''' + +The "riscv,delegate" DT property was added in QEMU 7.0 as part of +the AIA APLIC support. The property changed name during the review +process in Linux and the correct name ended up being +"riscv,delegation". Changing the DT property name will break all +available firmwares that are using the current (wrong) name. The +property is kept as is in 9.1, together with "riscv,delegation", to +give more time for firmware developers to change their code. + Migration --------- =20 diff --git a/hw/riscv/virt.c b/hw/riscv/virt.c index bc0893e087..9981e0f6c9 100644 --- a/hw/riscv/virt.c +++ b/hw/riscv/virt.c @@ -651,6 +651,15 @@ static void create_fdt_one_aplic(RISCVVirtState *s, in= t socket, qemu_fdt_setprop_cells(ms->fdt, aplic_name, "riscv,delegation", aplic_child_phandle, 0x1, VIRT_IRQCHIP_NUM_SOURCES); + /* + * DEPRECATED_9.1: Compat property kept temporarily + * to allow old firmwares to work with AIA. Do *not* + * use 'riscv,delegate' in new code: use + * 'riscv,delegation' instead. + */ + qemu_fdt_setprop_cells(ms->fdt, aplic_name, "riscv,delegate", + aplic_child_phandle, 0x1, + VIRT_IRQCHIP_NUM_SOURCES); } =20 riscv_socket_fdt_write_id(ms, aplic_name, socket); --=20 2.45.2 From nobody Mon Sep 16 19:15:48 2024 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass(p=none dis=none) header.from=gmail.com ARC-Seal: i=1; a=rsa-sha256; t=1721268769; cv=none; d=zohomail.com; s=zohoarc; b=A52g36pGh2nbkqj0IZEqQklu3F5WdxkZAEgcvOLLEa//yGqZfxrjV2Mq555OLg7YDjK4UPR6k2L4nAVM1PV8fCP+yZD5YNnljojjwpBuH04CaAR3qG5C73uO5EYJkLwRVrG9pcuJjjlgw08waOz5IvolRn5HnWz6y1Q5OmlOxSY= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1721268769; h=Content-Transfer-Encoding:Cc:Cc:Date:Date:From:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:Subject:To:To:Message-Id:Reply-To; bh=LTnaaC2sXirvbn1f957lm3joN6tdDiaSgYgNswn/YhQ=; b=iISrGupr0yQxUAN8kbhQpLhhJ0oZ0a92pn734rMcg3t83Rl/XgiUkq2Cx7JHRB/2Ogq93JQrDftBvI5ESyG4LOS5FA2YA4V2C27UmhRa51E2M2eU3bME5Y5wVYJaPe9z9+O1VI/6RPQZBIbm3g33P7Igjw6VncKckAaGG9FmMXs= ARC-Authentication-Results: i=1; mx.zohomail.com; dkim=pass; spf=pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) smtp.mailfrom=qemu-devel-bounces+importer2=patchew.org@nongnu.org; dmarc=pass header.from= (p=none dis=none) Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1721268769073475.8411729136184; Wed, 17 Jul 2024 19:12:49 -0700 (PDT) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1sUGd9-0004j8-5H; Wed, 17 Jul 2024 22:12:27 -0400 Received: from eggs.gnu.org ([2001:470:142:3::10]) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1sUGcf-0001ky-Gk for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:57 -0400 Received: from mail-pl1-x62e.google.com ([2607:f8b0:4864:20::62e]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1sUGcd-0003gh-7O for qemu-devel@nongnu.org; Wed, 17 Jul 2024 22:11:57 -0400 Received: by mail-pl1-x62e.google.com with SMTP id d9443c01a7336-1fc5296e214so2824985ad.0 for ; Wed, 17 Jul 2024 19:11:54 -0700 (PDT) Received: from toolbox.alistair23.me (2403-580b-97e8-0-82ce-f179-8a79-69f4.ip6.aussiebb.net. [2403:580b:97e8:0:82ce:f179:8a79:69f4]) by smtp.gmail.com with ESMTPSA id d9443c01a7336-1fc0bba949bsm81999385ad.69.2024.07.17.19.11.51 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Jul 2024 19:11:53 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20230601; t=1721268714; x=1721873514; darn=nongnu.org; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:from:to:cc:subject:date :message-id:reply-to; bh=LTnaaC2sXirvbn1f957lm3joN6tdDiaSgYgNswn/YhQ=; b=Sr/ka+d7uBMHDl67UEAg49On5yF8QMj+F0Dljd2F7hgumB0DGhS6Ev1chlAff0WQi4 /HlmMnBvmkjubLw9Q9p3DFNGia0VOE8ylVDft/y6MJyGZmGUAQSDrmggRmEIm/gSpvhT i6uj0wP94Nz/OFBqsqXNy5qmfSvNhRc7yXhIy0NqfbuPGk1nB3ruyONRIa7s2pElDuRe piY6ZlAf1i79bb1vuGjs6T+nvU693zScDauK8x+OrGhWu0Cwc9KjoKE1WBFvU9ySVX+X 4s3Yd4zLAU5qoc77rMdRTwLROMgvMTAyc/QIlnkHyeCc9Xz/NLsuDDZJmUNg9jpqWt5f HCRw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20230601; t=1721268714; x=1721873514; h=content-transfer-encoding:mime-version:references:in-reply-to :message-id:date:subject:cc:to:from:x-gm-message-state:from:to:cc :subject:date:message-id:reply-to; bh=LTnaaC2sXirvbn1f957lm3joN6tdDiaSgYgNswn/YhQ=; b=pDygTSbeDrzT9dI9+axChpBRDqdjCmD3vO3B+VqOthyBSvm6GuDsxpwzKbEDdeqzBm w+5JZG48YmncxRrVzMl9lqs3MP6eFtod+/AF1lMlXzt+ng5y91FTNz9fLDvtUkMxhYIA GAebTuDzUcCJGkEUTevO6lXSTeTeFfZSCkmOtd6ql5IqHpJx4YoBHw03UZ/JKLe5HKd8 G6wjgbeOIgwnlAiCBQ0TusmHJJP131ZPDAc8p78TSkNY7TCPwmE4XoLvhcdlRdrevAYl Cbvh46VWujU2dSN7/dk2nOe0laRs6tarl7WB8RRQXI/cAEw5WEGcqTwPUedsaoSZvJ2R mHQA== X-Gm-Message-State: AOJu0YwyXVjlOwhb5QPSLImag3Vva2iK7s+AGEOmVpz+NR+PNm/C7fQ9 mAidvHOzRnymHlRnDxwrzTE160HKrnD/lR/Gt9mRUtmHZaJowA99f7pWEAWc X-Google-Smtp-Source: AGHT+IH/vnIZnA4lWjbNVFvhRMKxCZ4uTFkYsDma/x6cxdX+wR+4fmrHmz4ezbEbHx4hGxPbaB27ng== X-Received: by 2002:a17:902:f682:b0:1fc:58fc:caf7 with SMTP id d9443c01a7336-1fc58fccce2mr21301235ad.14.1721268713538; Wed, 17 Jul 2024 19:11:53 -0700 (PDT) From: Alistair Francis X-Google-Original-From: Alistair Francis To: qemu-devel@nongnu.org Cc: alistair23@gmail.com, Daniel Henrique Barboza , Alistair Francis Subject: [PULL 30/30] roms/opensbi: Update to v1.5 Date: Thu, 18 Jul 2024 12:10:12 +1000 Message-ID: <20240718021012.2057986-31-alistair.francis@wdc.com> X-Mailer: git-send-email 2.45.2 In-Reply-To: <20240718021012.2057986-1-alistair.francis@wdc.com> References: <20240718021012.2057986-1-alistair.francis@wdc.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Received-SPF: pass (zohomail.com: domain of gnu.org designates 209.51.188.17 as permitted sender) client-ip=209.51.188.17; envelope-from=qemu-devel-bounces+importer2=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::62e; envelope-from=alistair23@gmail.com; helo=mail-pl1-x62e.google.com X-Spam_score_int: -17 X-Spam_score: -1.8 X-Spam_bar: - X-Spam_report: (-1.8 / 5.0 requ) BAYES_00=-1.9, DKIM_SIGNED=0.1, DKIM_VALID=-0.1, DKIM_VALID_AU=-0.1, DKIM_VALID_EF=-0.1, FREEMAIL_ENVFROM_END_DIGIT=0.25, FREEMAIL_FROM=0.001, RCVD_IN_DNSWL_NONE=-0.0001, SPF_HELO_NONE=0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.29 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: qemu-devel-bounces+importer2=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer2=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1721268769988116300 Content-Type: text/plain; charset="utf-8" From: Daniel Henrique Barboza Update OpenSBI and the pre-built opensbi32 and opensbi64 images to v1.5. The following commits were included in v1.5: 455de67 include: Bump-up version to 1.5 23b7bad lib: sbi: check incoming dbtr shmem address 0e45b63 docs: Fix wrong filename caae2f7 lib: sbi: fwft: return SBI_EINVAL rather than SBI_ERR_INVALID_PARAM e8717d1 lib: sbi: fwft: check feature value to be exactly 1 or 0 ecef14d lib: sbi: implement SBI FWFT extension e9ee967 lib: sbi: fwft: add support for SBI_FWFT_PTE_AD_HW_UPDATING c97a1d5 lib: sbi: fwft: add support for SBI_FWFT_MISALIGNED_EXC_DELEG aa5a859 lib: sbi: add support for firmware features extension 53844c9 lib: sbi: Add support for Svade and Svadu extensions 52dcf35 platform: generic: andes: Add support for RV32 to set up PMA f09f164 platform: generic: andes: Refine Andes PMA related code 7830e98 lib: serial: fix RX path in litex-uart 62e178a lib: utils/reset: Try initializing all reset devices in dt 3a94a32 sbi: sbi_domain_context: Fix trap context for domain context switch= ing a73ff04 lib: utils/reset: Fix fdt_reset to search for more dt nodes b5c984b lib: utils/reset: Skip initialize reset when dt is not enabled 86bbe6c lib: utils/serial: Fix fdt_serial to match more dt nodes 179e00a lib: utils/serial: Skip initialize serial when dt is not enabled b1c7c75 lib: utils/irqchip: Skip initialize irqchip when dt is not enabled 5e3ad7d lib: utils/timer: Skip initialize timer when dt is not enabled c5be0e1 lib: utils/ipi: Skip initialize ipi when dt is not enabled df3db6a lib: utils/fdt: Fix DT property for APLIC delegation d962db2 lib: utils/gpio: respect flag GPIO_FLAG_ACTIVE_LOW ae5ef18 lib: sbi: sse: handle missing writable attributes 858754a lib: utils/irqchip: Add sanity checks in imsic_get_data() and imsic= _get_target_file() 96f0a2e firmware: Bring back FW_TEXT_START as an optional parameter e3a30a2 lib: utils/irqchip: Check before initializing imsic 2bed4c1 platform: generic: thead: add Sophgo CV18XX/SG200X series 533067d lib: sbi: Put event after use in sbi_sse_exit() loop ea9cf6a utils/reset: Add SG2042 hwmon MCU support. 1cb792d lib: sbi: simplify inline function in sbi_dtbr.c 7b37da3 lib: sbi: fix return type of sbi_dbtr_shmem_disabled e065c3c lib: sbi: Fixed memory permission check in sbi_dbtr_setup_shmem 7f54527 lib: sbi: fix DBTR_SHMEM_MAKE_PHYS for RV64 744f495 lib: sbi: Removal unnecessary check dbtr_thishart_state_ptr 4953bd7 lib: sbi: fix hart_shmem_base 019a8e6 platform: generic: thead: add Canaan Kendryte K230 33e21c9 platform: generic: thead: separate T-Head PMU Errata 2b93ce0 platform: andes: Change all occurrences of andes45 to andes f68b3ae platform: andes: Rename files with the prefix andes45 17e8291 sbi: sbi_domain_context: Add spinlock for updating domain assigned_= harts 1d89a9d lib: sbi: Refine the settings for switching to Virtual Supervisor M= ode. 033104d lib: sbi: sse: check handler entry to belong to supervisor mode bd00765 lib: sbi: sse: use PRV_S instead of hardcoded value for mode ce3c82c lib: sbi: sse: call enable callback before sending IPI d528dbf lib: sbi: sse: remove superfluous sbi_list_empty() check 22ff750 lib: sbi: sse: simplify 32bits overflow check 7aa80ea lib: sbi: sse: rename sse_hart_unlock() to sse_enabled_event_unlock= () c21c99d lib: sbi: sse: fix typos, comments and spacing errors 7b1ed96 lib: tests: Add test for spinlocks 7bdf41a lib: tests: Add test for atomic_t f6243d9 lib: tests: Add test suite init function d4d2582 firmware: remove FW_TEXT_START 73344d4 lib: utils: check correct value in fdt_node_offset_by_compatible 37e1544 lib: sbi: sse_event_get() may return NULL 68bc031 lib: sbi: Add missing sscrind and sscfg extensions in sbi_hart_ext[] a7c5c2c Makefile: Remove unnecessary dependencies 268feab Makefile: Respect manual changes to .config 29ecda9 sbi: sbi_domain_context: Check privilege spec version before access= ing S-mode CSRs 7862c24 lib: sbi: Wakeup non-coldboot HARTs early in the coldboot path beb0cd1 lib: sbi: Simplify wait_for_coldboot() implementation f5375bc platform: generic: allwinner: Optimize current hart scratch access b94396c lib: utils/timer: Optimize current hart scratch access 5c9a735 include: sbi: Support byteorder macros in assembly 06fc453 lib: sbi: Add SSE support for PMU events 09ad214 lib: sbi: Implement SBI SSE extension c8cdf01 lib: sbi: Add support for Supervisor Software Events extension 76d7e9b firmware: remove copy-base relocation 5186da6 platform: generic: allwinner: sun20i-d1: Remove duplicated CSR defi= nitions 3b2f89e docs: writing_tests: Make docs correspond the latest changes f7d0050 lib: sbi: Extend sbi_trap_error() to dump state in a nested trap 5b11f16 lib: sbi: Pass trap context pointer to sbi_ecall_handler() 43d346c lib: sbi: Remove regs parameter from trap irq handling functions d84e7eb lib: sbi: Remove regs paramter of sbi_irqchip_process() f414cf9 lib: sbi: Simplify parameters of sbi_illegal_insn_handler() fea33a9 lib: sbi: Simplify parameters of misaligned and access fault handle= rs abea949 lib: sbi: Introduce trap context 60ffc15 include: sbi: Add trap_context pointer in struct sbi_scratch ebb697a lib: sbi: Remove sbi_trap_exit() and related code 2e85178 lib: sbi: Remove epc from struct sbi_trap_info 86224ec docs/writing_tests: Update tests paths 5c992a1 lib: tests: Move tests to a separate directory 81e3ba7 lib: sbi: call platform load/store emulators ddf3b64 include: sbi: add emulate_load/store handler to platform ops 4c11265 lib: sbi: abstract out insn decoding to unify mem fault handlers 9221fe5 lib: sbi: change prototype of sbi_misaligned_load/store_handler a17600c lib: sbi: change prototype of sbi_trap_redirect 2471cf2 include: sbi: rename sbi_misaligned_ldst.h to sbi_trap_ldst.h c0a6320 lib: sbi: rename sbi_misaligned_ldst.c to sbi_trap_ldst.c e11025c lib: sbi: Add initial domain context management support 87d8fe7 lib: tests: Add sbi_console test e5f53fd lib: tests: Add a test for sbi_bitmap 874fcef lib: Add SBIUnit testing macros and functions b9e4de0 docs: Add documentation about tests and SBIUnit 526b9ce firmware: fw_base.S: fix _reset_regs 8151105 firmware: fw_base.S: Remove _relocate_lottery 187397f firmware: fw_dynamic.S: Remove _bad_dynamic_info b27b7c6 firmware: fw_base: Simplified setup trap handler fdf5589 firmware: fw_base.S: Simplify address get 748bef1 lib: sbi_misaligned_ldst: Add handling of C.LHU/C.LH and C.SH bc36678 platform: andes: Drop andes_pmu_setup() 6bb6b61 lib: sbi: Add support for smcsrind and smcdeleg 322b598 lib: sbi_hsm: Restor hart state to stop when fails to start 96a35db docs/firmware: document new options for jump and payload firmwares 2cff7f3 platform: Apply relocatable address f056939 firmware: Add relocatable FW_PAYLOAD_FDT_ADDR 7227cdd firmware: Add relocatable FW_JUMP_ADDR and FW_JUMP_FDT_ADDR 741e941 platform: starfive: call starfive_jh7110_inst_init() in pm_reset_in= it() 3edf044 platform: starfive: return error if needed devices are not present 80ae046 platform: starfive: rename "stf,axp15060-regulator" -> "x-powers,ax= p15060" 5335340 platform: starfive: remove redundant compatibility check in pmic_ops 4d8569d platform: starfive: get I2C offset address from clocks property 034af1f platform: starfive: correct system clock device tree node 88273fe lib: sbi_pmu: Before using we should ensure PMU init done 46c8c65 docs: move documentation of system suspend test. 8df836d platform: generic: Parse system suspend test from config node. 23e7e48 docs: Add OpenSBI DT configuration guide. 67ce5a7 platform: generic: Add support for specify coldboot harts in DT 9c8b18e firmware: fw_base.S: remove _runtime_offset 4c6b7cb firmware: fw_base.S: Improve loading u32 92e8aff firmware: always create dynsym section d1dad07 Makefile: check for --exclude-libs 4a76f79 Makefile: don't pass -mstrict-align if not supported 21caaa3 fw_base.S: Fix comment errors 1ec353d lib: sbi: Use mask to check the free bit during trigger allocation bb90a9e lib: sbi: Print number of debug triggers found 76a2a15 lib: sbi: Implement SBI debug trigger extension fa87ec9 include: sbi: Add SBI debug trigger extension related defines 97f234f lib: sbi: Introduce the SBI debug triggers extension support 40dac6b lib: sbi: Detect support of debug triggers 2499769 include: sbi: Introduce debug trigger register encodings 20ca19a include: sbi: Add TINFO debug trigger CSR b752099 include: sbi: Introduce common endianess conversion macro Signed-off-by: Daniel Henrique Barboza Reviewed-by: Alistair Francis Message-ID: <20240715171521.179517-1-dbarboza@ventanamicro.com> Signed-off-by: Alistair Francis --- .../opensbi-riscv32-generic-fw_dynamic.bin | Bin 267416 -> 268312 bytes .../opensbi-riscv64-generic-fw_dynamic.bin | Bin 270808 -> 272504 bytes roms/opensbi | 2 +- 3 files changed, 1 insertion(+), 1 deletion(-) diff --git a/pc-bios/opensbi-riscv32-generic-fw_dynamic.bin b/pc-bios/opens= bi-riscv32-generic-fw_dynamic.bin index 60ca1165c8..7ec260ff40 100644 Binary files a/pc-bios/opensbi-riscv32-generic-fw_dynamic.bin and b/pc-bios= /opensbi-riscv32-generic-fw_dynamic.bin differ diff --git a/pc-bios/opensbi-riscv64-generic-fw_dynamic.bin b/pc-bios/opens= bi-riscv64-generic-fw_dynamic.bin index bae158d457..090c0cf6ac 100644 Binary files a/pc-bios/opensbi-riscv64-generic-fw_dynamic.bin and b/pc-bios= /opensbi-riscv64-generic-fw_dynamic.bin differ diff --git a/roms/opensbi b/roms/opensbi index a2b255b889..455de672dd 160000 --- a/roms/opensbi +++ b/roms/opensbi @@ -1 +1 @@ -Subproject commit a2b255b88918715173942f2c5e1f97ac9e90c877 +Subproject commit 455de672dd7c2aa1992df54dfb08dc11abbc1b1a --=20 2.45.2