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Thu, 07 Nov 2024 22:01:29 -0800 (PST) From: baturo.alexey@gmail.com To: Cc: baturo.alexey@gmail.com, richard.henderson@linaro.org, zhiwei_liu@linux.alibaba.com, dbarboza@ventanamicro.com, liwei1518@gmail.com, alistair23@gmail.com, frank.chang@sifive.com, palmer@dabbelt.com, Alistair.Francis@wdc.com, sagark@eecs.berkeley.edu, kbastian@mail.uni-paderborn.de, qemu-devel@nongnu.org, qemu-riscv@nongnu.org Subject: [PATCH 4/7] target/riscv: Add pointer masking tb flags Date: Fri, 8 Nov 2024 09:01:13 +0300 Message-Id: <20241108060116.37397-5-baturo.alexey@gmail.com> X-Mailer: git-send-email 2.39.5 (Apple Git-154) In-Reply-To: <20241108060116.37397-1-baturo.alexey@gmail.com> References: <20241108060116.37397-1-baturo.alexey@gmail.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: pass client-ip=2a00:1450:4864:20::12e; envelope-from=baturo.alexey@gmail.com; helo=mail-lf1-x12e.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, 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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @gmail.com) X-ZM-MESSAGEID: 1731045750358116600 Content-Type: text/plain; charset="utf-8" From: Alexey Baturo Signed-off-by: Alexey Baturo --- target/riscv/cpu.h | 3 +++ target/riscv/cpu_helper.c | 3 +++ target/riscv/translate.c | 5 +++++ 3 files changed, 11 insertions(+) diff --git a/target/riscv/cpu.h b/target/riscv/cpu.h index 74d7076f5a..11e3a6d647 100644 --- a/target/riscv/cpu.h +++ b/target/riscv/cpu.h @@ -631,6 +631,9 @@ FIELD(TB_FLAGS, FCFI_ENABLED, 26, 1) FIELD(TB_FLAGS, FCFI_LP_EXPECTED, 27, 1) /* zicfiss needs a TB flag so that correct TB is located based on tb flags= */ FIELD(TB_FLAGS, BCFI_ENABLED, 28, 1) +/* If pointer masking should be applied and address sign extended */ +FIELD(TB_FLAGS, PM_PMM, 29, 2) +FIELD(TB_FLAGS, PM_SIGNEXTEND, 31, 1) =20 #ifdef TARGET_RISCV32 #define riscv_cpu_mxl(env) ((void)(env), MXL_RV32) diff --git a/target/riscv/cpu_helper.c b/target/riscv/cpu_helper.c index da2a10384a..78b461a5cf 100644 --- a/target/riscv/cpu_helper.c +++ b/target/riscv/cpu_helper.c @@ -126,6 +126,7 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, RISCVCPU *cpu =3D env_archcpu(env); RISCVExtStatus fs, vs; uint32_t flags =3D 0; + bool pm_signext =3D riscv_cpu_virt_mem_enabled(env); =20 *pc =3D env->xl =3D=3D MXL_RV32 ? env->pc & UINT32_MAX : env->pc; *cs_base =3D 0; @@ -210,6 +211,8 @@ void cpu_get_tb_cpu_state(CPURISCVState *env, vaddr *pc, flags =3D FIELD_DP32(flags, TB_FLAGS, VS, vs); flags =3D FIELD_DP32(flags, TB_FLAGS, XL, env->xl); flags =3D FIELD_DP32(flags, TB_FLAGS, AXL, cpu_address_xl(env)); + flags =3D FIELD_DP32(flags, TB_FLAGS, PM_PMM, riscv_pm_get_pmm(env)); + flags =3D FIELD_DP32(flags, TB_FLAGS, PM_SIGNEXTEND, pm_signext); =20 *pflags =3D flags; } diff --git a/target/riscv/translate.c b/target/riscv/translate.c index 018be5504f..bb92f36ba1 100644 --- a/target/riscv/translate.c +++ b/target/riscv/translate.c @@ -102,6 +102,9 @@ typedef struct DisasContext { bool vl_eq_vlmax; CPUState *cs; TCGv zero; + /* actual address width */ + uint8_t addr_xl; + bool addr_signed; /* Ztso */ bool ztso; /* Use icount trigger for native debug */ @@ -1230,6 +1233,8 @@ static void riscv_tr_init_disas_context(DisasContextB= ase *dcbase, CPUState *cs) ctx->xl =3D FIELD_EX32(tb_flags, TB_FLAGS, XL); ctx->address_xl =3D FIELD_EX32(tb_flags, TB_FLAGS, AXL); ctx->cs =3D cs; + ctx->addr_xl =3D 0; + ctx->addr_signed =3D false; ctx->ztso =3D cpu->cfg.ext_ztso; ctx->itrigger =3D FIELD_EX32(tb_flags, TB_FLAGS, ITRIGGER); ctx->bcfi_enabled =3D FIELD_EX32(tb_flags, TB_FLAGS, BCFI_ENABLED); --=20 2.39.5