From nobody Mon Sep 16 20:11:52 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=linaro.org ARC-Seal: i=1; a=rsa-sha256; t=1675299258; cv=none; d=zohomail.com; s=zohoarc; b=aIvrVdlIiUlYLfqDHKNyKh5p9/WRVODYHy3fmAtcm/GetbSrNhakG05luQVPZ6ZqLQ0BB0F+Df2Ad7KYGHgh8SKZ0d+GkznUpX/HNB1z9k/s1BV6R6GPT3y0IHojKR4WcDuKE1nv6Ptre2CF1G5tVUCdbJt/r0VRL/WvO59x7kQ= ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=zohomail.com; s=zohoarc; t=1675299258; h=Content-Transfer-Encoding:Cc:Date:From:In-Reply-To:List-Subscribe:List-Post:List-Id:List-Archive:List-Help:List-Unsubscribe:MIME-Version:Message-ID:References:Sender:Subject:To; bh=7p89/1SscirMpmVjsVuG7CRSn1YGBHWjDAFStdyXspc=; b=FH+IghbYjC2MF7hQBcUf9mQTYsb+A3wNyoqeNlmzX1X/oIT8+csjj4OJX4taA9b2j2F/cW6piKIWMZaHdSuSYdG1afbAmZTj6Oy2+ToIbueZrF0iuo6z509LzApenl+fTprAArAjNFAOgsBTHgtWb3K4AHKRcHP26sy3QrO2lwY= 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 1675299258418288.28709100924937; Wed, 1 Feb 2023 16:54:18 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNNpy-00067W-H4; Wed, 01 Feb 2023 19:52:26 -0500 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 1pNNpw-00061g-VF for qemu-devel@nongnu.org; Wed, 01 Feb 2023 19:52:24 -0500 Received: from mail-pl1-x62f.google.com ([2607:f8b0:4864:20::62f]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_128_GCM_SHA256:128) (Exim 4.90_1) (envelope-from ) id 1pNNpv-0000QM-9O for qemu-devel@nongnu.org; Wed, 01 Feb 2023 19:52:24 -0500 Received: by mail-pl1-x62f.google.com with SMTP id jh15so279372plb.8 for ; Wed, 01 Feb 2023 16:52:22 -0800 (PST) Received: from stoup.. (rrcs-173-197-98-118.west.biz.rr.com. [173.197.98.118]) by smtp.gmail.com with ESMTPSA id z3-20020a1709028f8300b00192cf87ed25sm12391334plo.35.2023.02.01.16.52.20 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 01 Feb 2023 16:52:21 -0800 (PST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linaro.org; s=google; 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=7p89/1SscirMpmVjsVuG7CRSn1YGBHWjDAFStdyXspc=; b=VeLDJeeFGoovUH+Cmgb7vAgJ4dSqjAn0GL7kb64hFDLz2y9m8IP/fDOjs4s++j1Xkd PrF9IRlht5UUD1RFSuMUtqpht/rzZ9O95nMkLNfVaiiNVuVRJrn80DfP0+Onz03hipPF VbRlPGviaHjvsEe14wtC3RCLHBMT1713+BZ+qMUcZuu/GGeZRHdVLL6YJWDsDtz8uKoM 3Us/us+EsHV+r4z7quIL5TU9t8bu7AkELkmBrk4hudzi+S0pxlWZ4fpBytqJc7s81Gj6 isjcKr3Ga4q/6Vj/KdOJwkW18FKQ8einGYg7cDJOmyPT40dd3dDdHZtMLx7TxN5nNpf8 jS+A== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; 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=7p89/1SscirMpmVjsVuG7CRSn1YGBHWjDAFStdyXspc=; b=1CiNJj/U35XgkeeuP3sNuHqVT4GkI4LHCZCg66EUJhUCtBQFh5/iOikY+g2M1iKltt nlBK8vockEILe616AGW8T5BY/ntNcRXv+DjUfC3UtW5SSH87Qxq8r+OnIOYxQ1a/5hFh Mk5V38bAuXgP72vl0fmEWQlzx++iaGxMe9q9EuKlc3gpynU3fI0qHl/bYixvq1FxHhhP EFo1YH6YpcbWwqKiGZGvDgLKH6R6nadf615TRbSVTr5ZWV3GwQBvPJts7U15Acfces9h PLBEx6/HTbr/qoYo0aZUi/RJtnK+GDlOtas1xPZod+m3aK7Dot3PLrhwhdxEmxIGSCAn 8zmA== X-Gm-Message-State: AO0yUKXk6k9rOPvJG6Le8rTZ9um9RsVG/eYXWvclTcZDhMRGeyKk/rUl IZ5L/5pCmWGjOESPnHzd2WbR3wujkpA4DXKb X-Google-Smtp-Source: AK7set9Y+q1snmgQXy0fmbU2d6zCaU5Da2OTWxJqdYHAbASTEnv1Qp05CDswMJDipHo/Hfmk0XRQUQ== X-Received: by 2002:a17:903:2342:b0:196:595b:2580 with SMTP id c2-20020a170903234200b00196595b2580mr6019358plh.0.1675299142047; Wed, 01 Feb 2023 16:52:22 -0800 (PST) From: Richard Henderson To: qemu-devel@nongnu.org Cc: mark.cave-ayland@ilande.co.uk, laurent@vivier.eu, iii@linux.ibm.com Subject: [PATCH 08/14] linux-user/sparc: Handle getcc, setcc, getpsr traps Date: Wed, 1 Feb 2023 14:51:58 -1000 Message-Id: <20230202005204.2055899-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230202005204.2055899-1-richard.henderson@linaro.org> References: <20230202005204.2055899-1-richard.henderson@linaro.org> 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::62f; envelope-from=richard.henderson@linaro.org; helo=mail-pl1-x62f.google.com X-Spam_score_int: -20 X-Spam_score: -2.1 X-Spam_bar: -- X-Spam_report: (-2.1 / 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, 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 @linaro.org) X-ZM-MESSAGEID: 1675299259124100011 Content-Type: text/plain; charset="utf-8" These are really only meaningful for sparc32, but they're still present for backward compatibility for sparc64. Signed-off-by: Richard Henderson --- linux-user/sparc/cpu_loop.c | 62 +++++++++++++++++++++++++++++++++++-- 1 file changed, 59 insertions(+), 3 deletions(-) diff --git a/linux-user/sparc/cpu_loop.c b/linux-user/sparc/cpu_loop.c index 398418174f..370eb4e1a1 100644 --- a/linux-user/sparc/cpu_loop.c +++ b/linux-user/sparc/cpu_loop.c @@ -149,6 +149,51 @@ static void flush_windows(CPUSPARCState *env) #endif } =20 +static void next_instruction(CPUSPARCState *env) +{ + env->pc =3D env->npc; + env->npc =3D env->npc + 4; +} + +static uint32_t do_getcc(CPUSPARCState *env) +{ +#ifdef TARGET_SPARC64 + return cpu_get_ccr(env) & 0xf; +#else + return extract32(cpu_get_psr(env), 20, 4); +#endif +} + +static void do_setcc(CPUSPARCState *env, uint32_t icc) +{ +#ifdef TARGET_SPARC64 + cpu_put_ccr(env, (cpu_get_ccr(env) & 0xf0) | (icc & 0xf)); +#else + cpu_put_psr(env, deposit32(cpu_get_psr(env), 20, 4, icc)); +#endif +} + +static uint32_t do_getpsr(CPUSPARCState *env) +{ +#ifdef TARGET_SPARC64 + const uint64_t TSTATE_CWP =3D 0x1f; + const uint64_t TSTATE_ICC =3D 0xfull << 32; + const uint64_t TSTATE_XCC =3D 0xfull << 36; + const uint32_t PSR_S =3D 0x00000080u; + const uint32_t PSR_V8PLUS =3D 0xff000000u; + uint64_t tstate =3D sparc64_tstate(env); + + /* See , tstate_to_psr. */ + return ((tstate & TSTATE_CWP) | + PSR_S | + ((tstate & TSTATE_ICC) >> 12) | + ((tstate & TSTATE_XCC) >> 20) | + PSR_V8PLUS); +#else + return (cpu_get_psr(env) & (PSR_ICC | PSR_CWP)) | PSR_S; +#endif +} + /* Avoid ifdefs below for the v9 and pre-v9 hw traps. */ #ifdef TARGET_SPARC64 #define TARGET_TT_SPILL TT_SPILL @@ -222,9 +267,20 @@ void cpu_loop (CPUSPARCState *env) =20 case TT_TRAP + 0x03: /* flush windows */ flush_windows(env); - /* next instruction */ - env->pc =3D env->npc; - env->npc =3D env->npc + 4; + next_instruction(env); + break; + + case TT_TRAP + 0x20: /* getcc */ + env->gregs[1] =3D do_getcc(env); + next_instruction(env); + break; + case TT_TRAP + 0x21: /* setcc */ + do_setcc(env, env->gregs[1]); + next_instruction(env); + break; + case TT_TRAP + 0x22: /* getpsr */ + env->gregs[1] =3D do_getpsr(env); + next_instruction(env); break; =20 #ifdef TARGET_SPARC64 --=20 2.34.1