From nobody Tue May 13 11:40:27 2025 Delivered-To: importer2@patchew.org Authentication-Results: mx.zohomail.com; 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=codethink.co.uk Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 16753503888441023.6902766861741; Thu, 2 Feb 2023 07:06:28 -0800 (PST) Received: from localhost ([::1] helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1pNaqu-0005OV-BY; Thu, 02 Feb 2023 09:46:16 -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 1pNYvO-000749-V5 for qemu-devel@nongnu.org; Thu, 02 Feb 2023 07:42:47 -0500 Received: from imap5.colo.codethink.co.uk ([78.40.148.171]) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1pNYvM-0000es-16 for qemu-devel@nongnu.org; Thu, 02 Feb 2023 07:42:46 -0500 Received: from [167.98.27.226] (helo=lawrence-thinkpad.office.codethink.co.uk) by imap5.colo.codethink.co.uk with esmtpsa (Exim 4.94.2 #2 (Debian)) id 1pNYvE-004Q6t-IG; Thu, 02 Feb 2023 12:42:37 +0000 From: Lawrence Hunter To: qemu-devel@nongnu.org Cc: dickon.hood@codethink.co.uk, nazar.kazakov@codethink.co.uk, kiran.ostrolenk@codethink.co.uk, frank.chang@sifive.com, palmer@dabbelt.com, alistair.francis@wdc.com, bin.meng@windriver.com, pbonzini@redhat.com, philipp.tomsich@vrull.eu, kvm@vger.kernel.org, Lawrence Hunter Subject: [PATCH 05/39] target/riscv: Add vclmulh.vx decoding, translation and execution support Date: Thu, 2 Feb 2023 12:41:56 +0000 Message-Id: <20230202124230.295997-6-lawrence.hunter@codethink.co.uk> X-Mailer: git-send-email 2.39.1 In-Reply-To: <20230202124230.295997-1-lawrence.hunter@codethink.co.uk> References: <20230202124230.295997-1-lawrence.hunter@codethink.co.uk> 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=78.40.148.171; envelope-from=lawrence.hunter@codethink.co.uk; helo=imap5.colo.codethink.co.uk X-Spam_score_int: -18 X-Spam_score: -1.9 X-Spam_bar: - X-Spam_report: (-1.9 / 5.0 requ) BAYES_00=-1.9, SPF_HELO_PASS=-0.001, SPF_PASS=-0.001 autolearn=ham autolearn_force=no X-Spam_action: no action X-Mailman-Approved-At: Thu, 02 Feb 2023 09:46:13 -0500 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-ZM-MESSAGEID: 1675350391534100002 Content-Type: text/plain; charset="utf-8" Signed-off-by: Lawrence Hunter --- target/riscv/helper.h | 1 + target/riscv/insn32.decode | 1 + target/riscv/insn_trans/trans_rvzvkb.c.inc | 1 + target/riscv/vcrypto_helper.c | 12 ++++++++++++ 4 files changed, 15 insertions(+) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index a155272701..32f1179e29 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -1141,3 +1141,4 @@ DEF_HELPER_FLAGS_3(sm4ks, TCG_CALL_NO_RWG_SE, tl, tl,= tl, tl) DEF_HELPER_6(vclmul_vv, void, ptr, ptr, ptr, ptr, env, i32) DEF_HELPER_6(vclmul_vx, void, ptr, ptr, tl, ptr, env, i32) DEF_HELPER_6(vclmulh_vv, void, ptr, ptr, ptr, ptr, env, i32) +DEF_HELPER_6(vclmulh_vx, void, ptr, ptr, tl, ptr, env, i32) diff --git a/target/riscv/insn32.decode b/target/riscv/insn32.decode index e26ea1df08..b4d88dd1cb 100644 --- a/target/riscv/insn32.decode +++ b/target/riscv/insn32.decode @@ -895,3 +895,4 @@ sm4ks .. 11010 ..... ..... 000 ..... 0110011 @k_a= es vclmul_vv 001100 . ..... ..... 010 ..... 1010111 @r_vm vclmul_vx 001100 . ..... ..... 110 ..... 1010111 @r_vm vclmulh_vv 001101 . ..... ..... 010 ..... 1010111 @r_vm +vclmulh_vx 001101 . ..... ..... 110 ..... 1010111 @r_vm diff --git a/target/riscv/insn_trans/trans_rvzvkb.c.inc b/target/riscv/insn= _trans/trans_rvzvkb.c.inc index 19ce4c7431..533141e559 100644 --- a/target/riscv/insn_trans/trans_rvzvkb.c.inc +++ b/target/riscv/insn_trans/trans_rvzvkb.c.inc @@ -94,3 +94,4 @@ static bool vclmul_vx_check(DisasContext *s, arg_rmrr *a) } =20 GEN_VX_MASKED_TRANS(vclmul_vx, vclmul_vx_check) +GEN_VX_MASKED_TRANS(vclmulh_vx, vclmul_vx_check) diff --git a/target/riscv/vcrypto_helper.c b/target/riscv/vcrypto_helper.c index 022b941131..46e2e510c5 100644 --- a/target/riscv/vcrypto_helper.c +++ b/target/riscv/vcrypto_helper.c @@ -42,6 +42,18 @@ static void do_vclmulh_vv(void *vd, void *vs1, void *vs2= , int i) ((uint64_t *)vd)[i] =3D (result >> 64); } =20 +static void do_vclmulh_vx(void *vd, target_long rs1, void *vs2, int i) +{ + __uint128_t result =3D 0; + for (int j =3D 63; j >=3D 0; j--) { + if ((rs1 >> j) & 1) { + result ^=3D (((__uint128_t)(((uint64_t *)vs2)[i])) << j); + } + } + ((uint64_t *)vd)[i] =3D (result >> 64); +} + GEN_VEXT_VV(vclmul_vv, 8) GEN_VEXT_VX(vclmul_vx, 8) GEN_VEXT_VV(vclmulh_vv, 8) +GEN_VEXT_VX(vclmulh_vx, 8) --=20 2.39.1