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Mon, 07 Jul 2025 13:21:26 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org Subject: [PATCH 06/20] target/arm: Convert pmsav8_mpu_lookup to access_perm Date: Mon, 7 Jul 2025 14:20:57 -0600 Message-ID: <20250707202111.293787-7-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250707202111.293787-1-richard.henderson@linaro.org> References: <20250707202111.293787-1-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+importer=patchew.org@nongnu.org; helo=lists.gnu.org; Received-SPF: pass client-ip=2607:f8b0:4864:20::82d; envelope-from=richard.henderson@linaro.org; helo=mail-qt1-x82d.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+importer=patchew.org@nongnu.org Sender: qemu-devel-bounces+importer=patchew.org@nongnu.org X-ZohoMail-DKIM: pass (identity @linaro.org) X-ZM-MESSAGEID: 1751922309797116600 Content-Type: text/plain; charset="utf-8" Signed-off-by: Richard Henderson --- target/arm/internals.h | 2 +- target/arm/ptw.c | 6 +++--- target/arm/tcg/m_helper.c | 2 +- 3 files changed, 5 insertions(+), 5 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index c4765e4489..629aa7bc23 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1606,7 +1606,7 @@ bool get_phys_addr_with_space_nogpc(CPUARMState *env,= vaddr address, __attribute__((nonnull)); =20 bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address, - MMUAccessType access_type, ARMMMUIdx mmu_idx, + unsigned access_perm, ARMMMUIdx mmu_idx, bool is_secure, GetPhysAddrResult *result, ARMMMUFaultInfo *fi, uint32_t *mregion); =20 diff --git a/target/arm/ptw.c b/target/arm/ptw.c index b71c963f67..a11df31b18 100644 --- a/target/arm/ptw.c +++ b/target/arm/ptw.c @@ -2561,7 +2561,7 @@ static uint32_t *regime_rlar(CPUARMState *env, ARMMMU= Idx mmu_idx, } =20 bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address, - MMUAccessType access_type, ARMMMUIdx mmu_idx, + unsigned access_perm, ARMMMUIdx mmu_idx, bool secure, GetPhysAddrResult *result, ARMMMUFaultInfo *fi, uint32_t *mregion) { @@ -2750,7 +2750,7 @@ bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t add= ress, if (arm_feature(env, ARM_FEATURE_M)) { fi->level =3D 1; } - return !(result->f.prot & (1 << access_type)); + return access_perm & ~result->f.prot; } =20 static bool v8m_is_sau_exempt(CPUARMState *env, @@ -2952,7 +2952,7 @@ static bool get_phys_addr_pmsav8(CPUARMState *env, } } =20 - ret =3D pmsav8_mpu_lookup(env, address, access_type, mmu_idx, secure, + ret =3D pmsav8_mpu_lookup(env, address, 1 << access_type, mmu_idx, sec= ure, result, fi, NULL); if (sattrs.subpage) { result->f.lg_page_size =3D 0; diff --git a/target/arm/tcg/m_helper.c b/target/arm/tcg/m_helper.c index 6614719832..220a3b472f 100644 --- a/target/arm/tcg/m_helper.c +++ b/target/arm/tcg/m_helper.c @@ -2820,7 +2820,7 @@ uint32_t HELPER(v7m_tt)(CPUARMState *env, uint32_t ad= dr, uint32_t op) ARMMMUFaultInfo fi =3D {}; =20 /* We can ignore the return value as prot is always set */ - pmsav8_mpu_lookup(env, addr, MMU_DATA_LOAD, mmu_idx, targetsec, + pmsav8_mpu_lookup(env, addr, PAGE_READ, mmu_idx, targetsec, &res, &fi, &mregion); if (mregion =3D=3D -1) { mrvalid =3D false; --=20 2.43.0