From nobody Tue Feb 10 19:48:21 2026 Delivered-To: importer@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+importer=patchew.org@nongnu.org Return-Path: Received: from lists.gnu.org (lists.gnu.org [209.51.188.17]) by mx.zohomail.com with SMTPS id 1636647329016747.465698425581; Thu, 11 Nov 2021 08:15:29 -0800 (PST) Received: from localhost ([::1]:56158 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mlCjX-0006tx-Vo for importer@patchew.org; Thu, 11 Nov 2021 11:15:28 -0500 Received: from eggs.gnu.org ([209.51.188.92]:48588) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlCTv-0000d6-Nw; Thu, 11 Nov 2021 10:59:19 -0500 Received: from mail142-38.mail.alibaba.com ([198.11.142.38]:14084) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mlCTt-0000OA-Mr; Thu, 11 Nov 2021 10:59:19 -0500 Received: from localhost.localdomain(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.LrIiiUC_1636646346) by smtp.aliyun-inc.com(10.147.40.44); Thu, 11 Nov 2021 23:59:07 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.07497799|-1; CH=blue; DM=|OVERLOAD|false|; DS=CONTINUE|ham_alarm|0.0333596-0.00222042-0.96442; FP=11742988869770882939|2|2|6|0|-1|-1|-1; HT=ay29a033018047212; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=7; RT=7; SR=0; TI=SMTPD_---.LrIiiUC_1636646346; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v4 14/20] target/riscv: Adjust vsetvl according to XLEN Date: Thu, 11 Nov 2021 23:51:43 +0800 Message-Id: <20211111155149.58172-15-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211111155149.58172-1-zhiwei_liu@c-sky.com> References: <20211111155149.58172-1-zhiwei_liu@c-sky.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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: none client-ip=198.11.142.38; envelope-from=zhiwei_liu@c-sky.com; helo=mail142-38.mail.alibaba.com 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, RCVD_IN_MSPIKE_H2=-0.001, SPF_HELO_NONE=0.001, SPF_NONE=0.001, UNPARSEABLE_RELAY=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: , Cc: palmer@dabbelt.com, richard.henderson@linaro.org, bin.meng@windriver.com, Alistair.Francis@wdc.com, LIU Zhiwei Errors-To: qemu-devel-bounces+importer=patchew.org@nongnu.org Sender: "Qemu-devel" X-ZM-MESSAGEID: 1636647330383100001 Content-Type: text/plain; charset="utf-8" Signed-off-by: LIU Zhiwei Reviewed-by: Richard Henderson Reviewed-by: Alistair Francis --- target/riscv/helper.h | 2 +- target/riscv/insn_trans/trans_rvv.c.inc | 4 ++-- target/riscv/vector_helper.c | 8 +++++--- 3 files changed, 8 insertions(+), 6 deletions(-) diff --git a/target/riscv/helper.h b/target/riscv/helper.h index c5098380dd..f2910f5f30 100644 --- a/target/riscv/helper.h +++ b/target/riscv/helper.h @@ -82,7 +82,7 @@ DEF_HELPER_2(hyp_hlvx_wu, tl, env, tl) #endif =20 /* Vector functions */ -DEF_HELPER_3(vsetvl, tl, env, tl, tl) +DEF_HELPER_4(vsetvl, tl, env, tl, tl, i32) DEF_HELPER_5(vlb_v_b, void, ptr, ptr, tl, env, i32) DEF_HELPER_5(vlb_v_b_mask, void, ptr, ptr, tl, env, i32) DEF_HELPER_5(vlb_v_h, void, ptr, ptr, tl, env, i32) diff --git a/target/riscv/insn_trans/trans_rvv.c.inc b/target/riscv/insn_tr= ans/trans_rvv.c.inc index 17ee3babef..6fa673f4b2 100644 --- a/target/riscv/insn_trans/trans_rvv.c.inc +++ b/target/riscv/insn_trans/trans_rvv.c.inc @@ -37,7 +37,7 @@ static bool trans_vsetvl(DisasContext *ctx, arg_vsetvl *a) } else { s1 =3D get_gpr(ctx, a->rs1, EXT_ZERO); } - gen_helper_vsetvl(dst, cpu_env, s1, s2); + gen_helper_vsetvl(dst, cpu_env, s1, s2, tcg_constant_i32(get_xlen(ctx)= )); gen_set_gpr(ctx, a->rd, dst); =20 tcg_gen_movi_tl(cpu_pc, ctx->pc_succ_insn); @@ -64,7 +64,7 @@ static bool trans_vsetvli(DisasContext *ctx, arg_vsetvli = *a) } else { s1 =3D get_gpr(ctx, a->rs1, EXT_ZERO); } - gen_helper_vsetvl(dst, cpu_env, s1, s2); + gen_helper_vsetvl(dst, cpu_env, s1, s2, tcg_constant_i32(get_xlen(ctx)= )); gen_set_gpr(ctx, a->rd, dst); =20 gen_goto_tb(ctx, 0, ctx->pc_succ_insn); diff --git a/target/riscv/vector_helper.c b/target/riscv/vector_helper.c index b02ccefa4d..e49b431610 100644 --- a/target/riscv/vector_helper.c +++ b/target/riscv/vector_helper.c @@ -27,14 +27,16 @@ #include =20 target_ulong HELPER(vsetvl)(CPURISCVState *env, target_ulong s1, - target_ulong s2) + target_ulong s2, uint32_t xlen) { int vlmax, vl; RISCVCPU *cpu =3D env_archcpu(env); uint16_t sew =3D 8 << FIELD_EX64(s2, VTYPE, VSEW); uint8_t ediv =3D FIELD_EX64(s2, VTYPE, VEDIV); - bool vill =3D FIELD_EX64(s2, VTYPE, VILL); - target_ulong reserved =3D FIELD_EX64(s2, VTYPE, RESERVED); + bool vill =3D (s2 >> (xlen - 1)) & 0x1; + target_ulong reserved =3D s2 & + MAKE_64BIT_MASK(R_VTYPE_RESERVED_SHIFT, + xlen - 1 - R_VTYPE_RESERVED_SH= IFT); =20 if ((sew > cpu->cfg.elen) || vill || (ediv !=3D 0) || (reserved !=3D 0= )) { /* only set vill bit. */ --=20 2.25.1