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([2607:fb90:5fe1:b497:51bb:ba21:d1a7:eac2]) by smtp.gmail.com with ESMTPSA id e4-20020a056870c0c400b000e686d1389esm1780002oad.56.2022.05.06.11.02.56 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 06 May 2022 11:02:57 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Cc: qemu-arm@nongnu.org, Peter Maydell Subject: [PATCH v6 08/24] target/arm: Split out aa32_max_features Date: Fri, 6 May 2022 13:02:26 -0500 Message-Id: <20220506180242.216785-9-richard.henderson@linaro.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20220506180242.216785-1-richard.henderson@linaro.org> References: <20220506180242.216785-1-richard.henderson@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Received-SPF: pass client-ip=2001:4860:4864:20::34; envelope-from=richard.henderson@linaro.org; helo=mail-oa1-x34.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, T_SCC_BODY_TEXT_LINE=-0.01 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+qemu-devel=archiver.kernel.org@nongnu.org Sender: "Qemu-devel" Share the code to set AArch32 max features so that we no longer have code drift between qemu{-system,}-{arm,aarch64}. Reviewed-by: Peter Maydell Signed-off-by: Richard Henderson --- target/arm/internals.h | 2 + target/arm/cpu64.c | 50 +----------------- target/arm/cpu_tcg.c | 114 ++++++++++++++++++++++------------------- 3 files changed, 65 insertions(+), 101 deletions(-) diff --git a/target/arm/internals.h b/target/arm/internals.h index 343b465d51..c563b3735f 100644 --- a/target/arm/internals.h +++ b/target/arm/internals.h @@ -1313,4 +1313,6 @@ static inline void define_cortex_a72_a57_a53_cp_reginfo(ARMCPU *cpu) { } void define_cortex_a72_a57_a53_cp_reginfo(ARMCPU *cpu); #endif +void aa32_max_features(ARMCPU *cpu); + #endif diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 33a0a71900..6da42af56e 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -682,7 +682,6 @@ static void aarch64_max_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); uint64_t t; - uint32_t u; if (kvm_enabled() || hvf_enabled()) { /* With KVM or HVF, '-cpu max' is identical to '-cpu host' */ @@ -799,57 +798,12 @@ static void aarch64_max_initfn(Object *obj) t = FIELD_DP64(t, ID_AA64ZFR0, F64MM, 1); cpu->isar.id_aa64zfr0 = t; - /* Replicate the same data to the 32-bit id registers. */ - u = cpu->isar.id_isar5; - u = FIELD_DP32(u, ID_ISAR5, AES, 2); /* AES + PMULL */ - u = FIELD_DP32(u, ID_ISAR5, SHA1, 1); - u = FIELD_DP32(u, ID_ISAR5, SHA2, 1); - u = FIELD_DP32(u, ID_ISAR5, CRC32, 1); - u = FIELD_DP32(u, ID_ISAR5, RDM, 1); - u = FIELD_DP32(u, ID_ISAR5, VCMA, 1); - cpu->isar.id_isar5 = u; - - u = cpu->isar.id_isar6; - u = FIELD_DP32(u, ID_ISAR6, JSCVT, 1); - u = FIELD_DP32(u, ID_ISAR6, DP, 1); - u = FIELD_DP32(u, ID_ISAR6, FHM, 1); - u = FIELD_DP32(u, ID_ISAR6, SB, 1); - u = FIELD_DP32(u, ID_ISAR6, SPECRES, 1); - u = FIELD_DP32(u, ID_ISAR6, BF16, 1); - u = FIELD_DP32(u, ID_ISAR6, I8MM, 1); - cpu->isar.id_isar6 = u; - - u = cpu->isar.id_pfr0; - u = FIELD_DP32(u, ID_PFR0, DIT, 1); - cpu->isar.id_pfr0 = u; - - u = cpu->isar.id_pfr2; - u = FIELD_DP32(u, ID_PFR2, SSBS, 1); - cpu->isar.id_pfr2 = u; - - u = cpu->isar.id_mmfr3; - u = FIELD_DP32(u, ID_MMFR3, PAN, 2); /* ATS1E1 */ - cpu->isar.id_mmfr3 = u; - - u = cpu->isar.id_mmfr4; - u = FIELD_DP32(u, ID_MMFR4, HPDS, 1); /* AA32HPD */ - u = FIELD_DP32(u, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */ - u = FIELD_DP32(u, ID_MMFR4, CNP, 1); /* TTCNP */ - u = FIELD_DP32(u, ID_MMFR4, XNX, 1); /* TTS2UXN */ - cpu->isar.id_mmfr4 = u; - t = cpu->isar.id_aa64dfr0; t = FIELD_DP64(t, ID_AA64DFR0, PMUVER, 5); /* v8.4-PMU */ cpu->isar.id_aa64dfr0 = t; - u = cpu->isar.id_dfr0; - u = FIELD_DP32(u, ID_DFR0, PERFMON, 5); /* v8.4-PMU */ - cpu->isar.id_dfr0 = u; - - u = cpu->isar.mvfr1; - u = FIELD_DP32(u, MVFR1, FPHP, 3); /* v8.2-FP16 */ - u = FIELD_DP32(u, MVFR1, SIMDHP, 2); /* v8.2-FP16 */ - cpu->isar.mvfr1 = u; + /* Replicate the same data to the 32-bit id registers. */ + aa32_max_features(cpu); #ifdef CONFIG_USER_ONLY /* diff --git a/target/arm/cpu_tcg.c b/target/arm/cpu_tcg.c index 9aa2f737c1..b0dbf2c991 100644 --- a/target/arm/cpu_tcg.c +++ b/target/arm/cpu_tcg.c @@ -20,6 +20,66 @@ #endif #include "cpregs.h" + +/* Share AArch32 -cpu max features with AArch64. */ +void aa32_max_features(ARMCPU *cpu) +{ + uint32_t t; + + /* Add additional features supported by QEMU */ + t = cpu->isar.id_isar5; + t = FIELD_DP32(t, ID_ISAR5, AES, 2); + t = FIELD_DP32(t, ID_ISAR5, SHA1, 1); + t = FIELD_DP32(t, ID_ISAR5, SHA2, 1); + t = FIELD_DP32(t, ID_ISAR5, CRC32, 1); + t = FIELD_DP32(t, ID_ISAR5, RDM, 1); + t = FIELD_DP32(t, ID_ISAR5, VCMA, 1); + cpu->isar.id_isar5 = t; + + t = cpu->isar.id_isar6; + t = FIELD_DP32(t, ID_ISAR6, JSCVT, 1); + t = FIELD_DP32(t, ID_ISAR6, DP, 1); + t = FIELD_DP32(t, ID_ISAR6, FHM, 1); + t = FIELD_DP32(t, ID_ISAR6, SB, 1); + t = FIELD_DP32(t, ID_ISAR6, SPECRES, 1); + t = FIELD_DP32(t, ID_ISAR6, BF16, 1); + t = FIELD_DP32(t, ID_ISAR6, I8MM, 1); + cpu->isar.id_isar6 = t; + + t = cpu->isar.mvfr1; + t = FIELD_DP32(t, MVFR1, FPHP, 3); /* v8.2-FP16 */ + t = FIELD_DP32(t, MVFR1, SIMDHP, 2); /* v8.2-FP16 */ + cpu->isar.mvfr1 = t; + + t = cpu->isar.mvfr2; + t = FIELD_DP32(t, MVFR2, SIMDMISC, 3); /* SIMD MaxNum */ + t = FIELD_DP32(t, MVFR2, FPMISC, 4); /* FP MaxNum */ + cpu->isar.mvfr2 = t; + + t = cpu->isar.id_mmfr3; + t = FIELD_DP32(t, ID_MMFR3, PAN, 2); /* ATS1E1 */ + cpu->isar.id_mmfr3 = t; + + t = cpu->isar.id_mmfr4; + t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */ + t = FIELD_DP32(t, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */ + t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* TTCNP */ + t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* TTS2UXN */ + cpu->isar.id_mmfr4 = t; + + t = cpu->isar.id_pfr0; + t = FIELD_DP32(t, ID_PFR0, DIT, 1); + cpu->isar.id_pfr0 = t; + + t = cpu->isar.id_pfr2; + t = FIELD_DP32(t, ID_PFR2, SSBS, 1); + cpu->isar.id_pfr2 = t; + + t = cpu->isar.id_dfr0; + t = FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */ + cpu->isar.id_dfr0 = t; +} + #ifndef CONFIG_USER_ONLY static uint64_t l2ctlr_read(CPUARMState *env, const ARMCPRegInfo *ri) { @@ -994,7 +1054,6 @@ static void arm_v7m_class_init(ObjectClass *oc, void *data) static void arm_max_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); - uint32_t t; /* aarch64_a57_initfn, advertising none of the aarch64 features */ cpu->dtb_compatible = "arm,cortex-a57"; @@ -1035,58 +1094,7 @@ static void arm_max_initfn(Object *obj) cpu->ccsidr[2] = 0x70ffe07a; /* 2048KB L2 cache */ define_cortex_a72_a57_a53_cp_reginfo(cpu); - /* Add additional features supported by QEMU */ - t = cpu->isar.id_isar5; - t = FIELD_DP32(t, ID_ISAR5, AES, 2); - t = FIELD_DP32(t, ID_ISAR5, SHA1, 1); - t = FIELD_DP32(t, ID_ISAR5, SHA2, 1); - t = FIELD_DP32(t, ID_ISAR5, CRC32, 1); - t = FIELD_DP32(t, ID_ISAR5, RDM, 1); - t = FIELD_DP32(t, ID_ISAR5, VCMA, 1); - cpu->isar.id_isar5 = t; - - t = cpu->isar.id_isar6; - t = FIELD_DP32(t, ID_ISAR6, JSCVT, 1); - t = FIELD_DP32(t, ID_ISAR6, DP, 1); - t = FIELD_DP32(t, ID_ISAR6, FHM, 1); - t = FIELD_DP32(t, ID_ISAR6, SB, 1); - t = FIELD_DP32(t, ID_ISAR6, SPECRES, 1); - t = FIELD_DP32(t, ID_ISAR6, BF16, 1); - t = FIELD_DP32(t, ID_ISAR6, I8MM, 1); - cpu->isar.id_isar6 = t; - - t = cpu->isar.mvfr1; - t = FIELD_DP32(t, MVFR1, FPHP, 3); /* v8.2-FP16 */ - t = FIELD_DP32(t, MVFR1, SIMDHP, 2); /* v8.2-FP16 */ - cpu->isar.mvfr1 = t; - - t = cpu->isar.mvfr2; - t = FIELD_DP32(t, MVFR2, SIMDMISC, 3); /* SIMD MaxNum */ - t = FIELD_DP32(t, MVFR2, FPMISC, 4); /* FP MaxNum */ - cpu->isar.mvfr2 = t; - - t = cpu->isar.id_mmfr3; - t = FIELD_DP32(t, ID_MMFR3, PAN, 2); /* ATS1E1 */ - cpu->isar.id_mmfr3 = t; - - t = cpu->isar.id_mmfr4; - t = FIELD_DP32(t, ID_MMFR4, HPDS, 1); /* AA32HPD */ - t = FIELD_DP32(t, ID_MMFR4, AC2, 1); /* ACTLR2, HACTLR2 */ - t = FIELD_DP32(t, ID_MMFR4, CNP, 1); /* TTCNP */ - t = FIELD_DP32(t, ID_MMFR4, XNX, 1); /* TTS2UXN */ - cpu->isar.id_mmfr4 = t; - - t = cpu->isar.id_pfr0; - t = FIELD_DP32(t, ID_PFR0, DIT, 1); - cpu->isar.id_pfr0 = t; - - t = cpu->isar.id_pfr2; - t = FIELD_DP32(t, ID_PFR2, SSBS, 1); - cpu->isar.id_pfr2 = t; - - t = cpu->isar.id_dfr0; - t = FIELD_DP32(t, ID_DFR0, PERFMON, 5); /* v8.4-PMU */ - cpu->isar.id_dfr0 = t; + aa32_max_features(cpu); #ifdef CONFIG_USER_ONLY /* -- 2.34.1