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Sat, 02 Aug 2025 16:36:22 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Pierrick Bouvier Subject: [PATCH v2 41/85] target/arm: Convert arm_mmu_idx_is_stage1_of_2 from switch to table Date: Sun, 3 Aug 2025 09:29:09 +1000 Message-ID: <20250802232953.413294-42-richard.henderson@linaro.org> X-Mailer: git-send-email 2.43.0 In-Reply-To: <20250802232953.413294-1-richard.henderson@linaro.org> References: <20250802232953.413294-1-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::332; envelope-from=richard.henderson@linaro.org; helo=mail-ot1-x332.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: 1754178475031116600 Content-Type: text/plain; charset="utf-8" Reviewed-by: Pierrick Bouvier Signed-off-by: Richard Henderson --- target/arm/internals.h | 19 ------------------- target/arm/mmuidx-internal.h | 8 ++++++++ target/arm/mmuidx.c | 7 ++++--- 3 files changed, 12 insertions(+), 22 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index c6f3ae470b..4f99ec69f8 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1282,25 +1282,6 @@ ARMMMUIdx stage_1_mmu_idx(ARMMMUIdx mmu_idx); ARMMMUIdx arm_stage1_mmu_idx(CPUARMState *env); #endif =20 -/** - * arm_mmu_idx_is_stage1_of_2: - * @mmu_idx: The ARMMMUIdx to test - * - * Return true if @mmu_idx is a NOTLB mmu_idx that is the - * first stage of a two stage regime. - */ -static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx mmu_idx) -{ - switch (mmu_idx) { - case ARMMMUIdx_Stage1_E0: - case ARMMMUIdx_Stage1_E1: - case ARMMMUIdx_Stage1_E1_PAN: - return true; - default: - return false; - } -} - static inline uint32_t aarch32_cpsr_valid_mask(uint64_t features, const ARMISARegisters *id) { diff --git a/target/arm/mmuidx-internal.h b/target/arm/mmuidx-internal.h index 3e51c0f579..55fba4aae2 100644 --- a/target/arm/mmuidx-internal.h +++ b/target/arm/mmuidx-internal.h @@ -18,6 +18,7 @@ FIELD(MMUIDXINFO, RELVALID, 5, 1) FIELD(MMUIDXINFO, 2RANGES, 6, 1) FIELD(MMUIDXINFO, PAN, 7, 1) FIELD(MMUIDXINFO, USER, 8, 1) +FIELD(MMUIDXINFO, STAGE1, 9, 1) =20 extern const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8]; =20 @@ -76,4 +77,11 @@ static inline bool regime_is_user(ARMMMUIdx idx) return FIELD_EX32(arm_mmuidx_table[idx], MMUIDXINFO, USER); } =20 +/* Return true if this mmu index is stage 1 of a 2-stage translation. */ +static inline bool arm_mmu_idx_is_stage1_of_2(ARMMMUIdx idx) +{ + tcg_debug_assert(arm_mmuidx_is_valid(idx)); + return FIELD_EX32(arm_mmuidx_table[idx], MMUIDXINFO, STAGE1); +} + #endif /* TARGET_ARM_MMUIDX_INTERNAL_H */ diff --git a/target/arm/mmuidx.c b/target/arm/mmuidx.c index 1c1e062bfe..c5b43a5932 100644 --- a/target/arm/mmuidx.c +++ b/target/arm/mmuidx.c @@ -13,6 +13,7 @@ #define R2 R_MMUIDXINFO_2RANGES_MASK #define PAN R_MMUIDXINFO_PAN_MASK #define USER R_MMUIDXINFO_USER_MASK +#define S1 R_MMUIDXINFO_STAGE1_MASK =20 const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8] =3D { /* @@ -35,9 +36,9 @@ const uint32_t arm_mmuidx_table[ARM_MMU_IDX_M + 8] =3D { [ARMMMUIdx_Stage2_S] =3D REL(2), [ARMMMUIdx_Stage2] =3D REL(2), =20 - [ARMMMUIdx_Stage1_E0] =3D REL(1) | R2 | USER, - [ARMMMUIdx_Stage1_E1] =3D REL(1) | R2, - [ARMMMUIdx_Stage1_E1_PAN] =3D REL(1) | R2 | PAN, + [ARMMMUIdx_Stage1_E0] =3D REL(1) | R2 | S1 | USER, + [ARMMMUIdx_Stage1_E1] =3D REL(1) | R2 | S1, + [ARMMMUIdx_Stage1_E1_PAN] =3D REL(1) | R2 | S1 | PAN, =20 /* * M-profile. --=20 2.43.0