From nobody Tue Feb 10 11:33:15 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 163652865669436.483761823163945; Tue, 9 Nov 2021 23:17:36 -0800 (PST) Received: from localhost ([::1]:41622 helo=lists1p.gnu.org) by lists.gnu.org with esmtp (Exim 4.90_1) (envelope-from ) id 1mkhrT-0003ft-Ip for importer@patchew.org; Wed, 10 Nov 2021 02:17:35 -0500 Received: from eggs.gnu.org ([209.51.188.92]:39500) by lists.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkhmJ-0005PC-Ku; Wed, 10 Nov 2021 02:12:17 -0500 Received: from out28-171.mail.aliyun.com ([115.124.28.171]:45137) by eggs.gnu.org with esmtps (TLS1.2:ECDHE_RSA_AES_256_GCM_SHA384:256) (Exim 4.90_1) (envelope-from ) id 1mkhmD-00059W-Vl; Wed, 10 Nov 2021 02:12:11 -0500 Received: from roman-VirtualBox.hz.ali.com(mailfrom:zhiwei_liu@c-sky.com fp:SMTPD_---.LqU1dou_1636528325) by smtp.aliyun-inc.com(10.147.40.2); Wed, 10 Nov 2021 15:12:05 +0800 X-Alimail-AntiSpam: AC=CONTINUE; BC=0.102711|-1; CH=green; DM=|CONTINUE|false|; DS=CONTINUE|ham_alarm|0.00206744-0.000107588-0.997825; FP=0|0|0|0|0|-1|-1|-1; HT=ay29a033018047187; MF=zhiwei_liu@c-sky.com; NM=1; PH=DS; RN=7; RT=7; SR=0; TI=SMTPD_---.LqU1dou_1636528325; From: LIU Zhiwei To: qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH v2 14/14] target/riscv: Enable uxl field write Date: Wed, 10 Nov 2021 15:04:52 +0800 Message-Id: <20211110070452.48539-15-zhiwei_liu@c-sky.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20211110070452.48539-1-zhiwei_liu@c-sky.com> References: <20211110070452.48539-1-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=115.124.28.171; envelope-from=zhiwei_liu@c-sky.com; helo=out28-171.mail.aliyun.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_DNSWL_NONE=-0.0001, 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: 1636528657236000001 Content-Type: text/plain; charset="utf-8" Signed-off-by: LIU Zhiwei --- target/riscv/csr.c | 5 ++--- target/riscv/insn_trans/trans_rvi.c.inc | 4 ++-- target/riscv/op_helper.c | 3 ++- 3 files changed, 6 insertions(+), 6 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 33e342f529..e07cd522ef 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -555,15 +555,14 @@ static RISCVException write_mstatus(CPURISCVState *en= v, int csrno, * RV32: MPV and GVA are not in mstatus. The current plan is to * add them to mstatush. For now, we just don't support it. */ - mask |=3D MSTATUS_MPV | MSTATUS_GVA; + mask |=3D MSTATUS_MPV | MSTATUS_GVA | MSTATUS64_UXL; } =20 mstatus =3D (mstatus & ~mask) | (val & mask); =20 if (riscv_cpu_mxl(env) =3D=3D MXL_RV64) { - /* SXL and UXL fields are for now read only */ + /* SXL fields are for now read only */ mstatus =3D set_field(mstatus, MSTATUS64_SXL, MXL_RV64); - mstatus =3D set_field(mstatus, MSTATUS64_UXL, MXL_RV64); } env->mstatus =3D mstatus; =20 diff --git a/target/riscv/insn_trans/trans_rvi.c.inc b/target/riscv/insn_tr= ans/trans_rvi.c.inc index 7a0b037594..cb73a2f1ee 100644 --- a/target/riscv/insn_trans/trans_rvi.c.inc +++ b/target/riscv/insn_trans/trans_rvi.c.inc @@ -472,7 +472,7 @@ static bool trans_csrrw(DisasContext *ctx, arg_csrrw *a) return do_csrw(ctx, a->csr, src); } =20 - TCGv mask =3D tcg_constant_tl(-1); + TCGv mask =3D tcg_constant_tl(get_xl(ctx) =3D=3D MXL_RV32 ? UINT32_MAX= : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } =20 @@ -523,7 +523,7 @@ static bool trans_csrrwi(DisasContext *ctx, arg_csrrwi = *a) return do_csrw(ctx, a->csr, src); } =20 - TCGv mask =3D tcg_constant_tl(-1); + TCGv mask =3D tcg_constant_tl(get_xl(ctx) =3D=3D MXL_RV32 ? UINT32_MAX= : -1); return do_csrrw(ctx, a->rd, a->csr, src, mask); } =20 diff --git a/target/riscv/op_helper.c b/target/riscv/op_helper.c index 095d39671b..561e156bec 100644 --- a/target/riscv/op_helper.c +++ b/target/riscv/op_helper.c @@ -50,7 +50,8 @@ target_ulong helper_csrr(CPURISCVState *env, int csr) =20 void helper_csrw(CPURISCVState *env, int csr, target_ulong src) { - RISCVException ret =3D riscv_csrrw(env, csr, NULL, src, -1); + target_ulong mask =3D cpu_get_xl(env) =3D=3D MXL_RV32 ? UINT32_MAX : -= 1; + RISCVException ret =3D riscv_csrrw(env, csr, NULL, src, mask); =20 if (ret !=3D RISCV_EXCP_NONE) { riscv_raise_exception(env, ret, GETPC()); --=20 2.25.1