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[174.21.9.133]) by smtp.gmail.com with ESMTPSA id a79-v6sm23094458pfa.124.2018.10.16.15.31.22 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Tue, 16 Oct 2018 15:31:22 -0700 (PDT) From: Richard Henderson To: qemu-devel@nongnu.org Date: Tue, 16 Oct 2018 15:31:10 -0700 Message-Id: <20181016223115.24100-4-richard.henderson@linaro.org> X-Mailer: git-send-email 2.17.2 In-Reply-To: <20181016223115.24100-1-richard.henderson@linaro.org> References: <20181016223115.24100-1-richard.henderson@linaro.org> MIME-Version: 1.0 X-detected-operating-system: by eggs.gnu.org: Genre and OS details not recognized. X-Received-From: 2607:f8b0:4864:20::441 Subject: [Qemu-devel] [PATCH v4 3/8] target/arm: Convert v8 extensions from feature bits to isar tests X-BeenThere: qemu-devel@nongnu.org X-Mailman-Version: 2.1.21 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Cc: peter.maydell@linaro.org Errors-To: qemu-devel-bounces+patch=linaro.org@nongnu.org Sender: "Qemu-devel" Most of the v8 extensions are self-contained within the ISAR registers and are not implied by other feature bits, which makes them the easiest to convert. Reviewed-by: Philippe Mathieu-Daudé Signed-off-by: Richard Henderson --- target/arm/cpu.h | 131 +++++++++++++++++++++++++++++++++---- target/arm/translate.h | 7 ++ linux-user/elfload.c | 46 ++++++++----- target/arm/cpu.c | 27 +++++--- target/arm/cpu64.c | 57 +++++++++------- target/arm/translate-a64.c | 101 ++++++++++++++-------------- target/arm/translate.c | 36 +++++----- 7 files changed, 273 insertions(+), 132 deletions(-) -- 2.17.2 diff --git a/target/arm/cpu.h b/target/arm/cpu.h index cff739b74d..a87edbe869 100644 --- a/target/arm/cpu.h +++ b/target/arm/cpu.h @@ -669,6 +669,8 @@ typedef enum ARMPSCIState { PSCI_ON_PENDING = 2 } ARMPSCIState; +typedef struct ARMISARegisters ARMISARegisters; + /** * ARMCPU: * @env: #CPUARMState @@ -1577,30 +1579,18 @@ enum arm_features { ARM_FEATURE_LPAE, /* has Large Physical Address Extension */ ARM_FEATURE_V8, ARM_FEATURE_AARCH64, /* supports 64 bit mode */ - ARM_FEATURE_V8_AES, /* implements AES part of v8 Crypto Extensions */ ARM_FEATURE_CBAR, /* has cp15 CBAR */ ARM_FEATURE_CRC, /* ARMv8 CRC instructions */ ARM_FEATURE_CBAR_RO, /* has cp15 CBAR and it is read-only */ ARM_FEATURE_EL2, /* has EL2 Virtualization support */ ARM_FEATURE_EL3, /* has EL3 Secure monitor support */ - ARM_FEATURE_V8_SHA1, /* implements SHA1 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SHA256, /* implements SHA256 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_PMULL, /* implements PMULL part of v8 Crypto Extensions */ ARM_FEATURE_THUMB_DSP, /* DSP insns supported in the Thumb encodings */ ARM_FEATURE_PMU, /* has PMU support */ ARM_FEATURE_VBAR, /* has cp15 VBAR */ ARM_FEATURE_M_SECURITY, /* M profile Security Extension */ ARM_FEATURE_JAZELLE, /* has (trivial) Jazelle implementation */ ARM_FEATURE_SVE, /* has Scalable Vector Extension */ - ARM_FEATURE_V8_SHA512, /* implements SHA512 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SHA3, /* implements SHA3 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SM3, /* implements SM3 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_SM4, /* implements SM4 part of v8 Crypto Extensions */ - ARM_FEATURE_V8_ATOMICS, /* ARMv8.1-Atomics feature */ - ARM_FEATURE_V8_RDM, /* implements v8.1 simd round multiply */ - ARM_FEATURE_V8_DOTPROD, /* implements v8.2 simd dot product */ ARM_FEATURE_V8_FP16, /* implements v8.2 half-precision float */ - ARM_FEATURE_V8_FCMA, /* has complex number part of v8.3 extensions. */ ARM_FEATURE_M_MAIN, /* M profile Main Extension */ }; @@ -3152,4 +3142,121 @@ static inline uint64_t *aa64_vfp_qreg(CPUARMState *env, unsigned regno) /* Shared between translate-sve.c and sve_helper.c. */ extern const uint64_t pred_esz_masks[4]; +/* + * 32-bit feature tests via id registers. + */ +static inline bool isar_feature_aa32_aes(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) != 0; +} + +static inline bool isar_feature_aa32_pmull(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, AES) > 1; +} + +static inline bool isar_feature_aa32_sha1(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA1) != 0; +} + +static inline bool isar_feature_aa32_sha2(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, SHA2) != 0; +} + +static inline bool isar_feature_aa32_crc32(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, CRC32) != 0; +} + +static inline bool isar_feature_aa32_rdm(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, RDM) != 0; +} + +static inline bool isar_feature_aa32_vcma(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar5, ID_ISAR5, VCMA) != 0; +} + +static inline bool isar_feature_aa32_dp(const ARMISARegisters *id) +{ + return FIELD_EX32(id->id_isar6, ID_ISAR6, DP) != 0; +} + +/* + * 64-bit feature tests via id registers. + */ +static inline bool isar_feature_aa64_aes(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) != 0; +} + +static inline bool isar_feature_aa64_pmull(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, AES) > 1; +} + +static inline bool isar_feature_aa64_sha1(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA1) != 0; +} + +static inline bool isar_feature_aa64_sha256(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) != 0; +} + +static inline bool isar_feature_aa64_sha512(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA2) > 1; +} + +static inline bool isar_feature_aa64_crc32(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, CRC32) != 0; +} + +static inline bool isar_feature_aa64_atomics(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, ATOMIC) != 0; +} + +static inline bool isar_feature_aa64_rdm(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, RDM) != 0; +} + +static inline bool isar_feature_aa64_sha3(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SHA3) != 0; +} + +static inline bool isar_feature_aa64_sm3(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM3) != 0; +} + +static inline bool isar_feature_aa64_sm4(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, SM4) != 0; +} + +static inline bool isar_feature_aa64_dp(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar0, ID_AA64ISAR0, DP) != 0; +} + +static inline bool isar_feature_aa64_fcma(const ARMISARegisters *id) +{ + return FIELD_EX64(id->id_aa64isar1, ID_AA64ISAR1, FCMA) != 0; +} + +/* + * Forward to the above feature tests given an ARMCPU pointer. + */ +#define cpu_isar_feature(name, cpu) \ + ({ ARMCPU *cpu_ = (cpu); isar_feature_##name(&cpu_->isar); }) + #endif diff --git a/target/arm/translate.h b/target/arm/translate.h index c1b65f3efb..5bc15819c3 100644 --- a/target/arm/translate.h +++ b/target/arm/translate.h @@ -7,6 +7,7 @@ /* internal defines */ typedef struct DisasContext { DisasContextBase base; + const ARMISARegisters *isar; target_ulong pc; target_ulong page_start; @@ -190,4 +191,10 @@ static inline TCGv_i32 get_ahp_flag(void) return ret; } +/* + * Forward to the isar_feature_* tests given a DisasContext pointer. + */ +#define dc_isar_feature(name, ctx) \ + ({ DisasContext *ctx_ = (ctx); isar_feature_##name(ctx_->isar); }) + #endif /* TARGET_ARM_TRANSLATE_H */ diff --git a/linux-user/elfload.c b/linux-user/elfload.c index 10bca65b99..97014959ff 100644 --- a/linux-user/elfload.c +++ b/linux-user/elfload.c @@ -458,6 +458,10 @@ static uint32_t get_elf_hwcap(void) /* probe for the extra features */ #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) + +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + /* EDSP is in v5TE and above, but all our v5 CPUs are v5TE */ GET_FEATURE(ARM_FEATURE_V5, ARM_HWCAP_ARM_EDSP); GET_FEATURE(ARM_FEATURE_VFP, ARM_HWCAP_ARM_VFP); @@ -485,15 +489,16 @@ static uint32_t get_elf_hwcap2(void) ARMCPU *cpu = ARM_CPU(thread_cpu); uint32_t hwcaps = 0; - GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP2_ARM_AES); - GET_FEATURE(ARM_FEATURE_V8_PMULL, ARM_HWCAP2_ARM_PMULL); - GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP2_ARM_SHA1); - GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP2_ARM_SHA2); - GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP2_ARM_CRC32); + GET_FEATURE_ID(aa32_aes, ARM_HWCAP2_ARM_AES); + GET_FEATURE_ID(aa32_pmull, ARM_HWCAP2_ARM_PMULL); + GET_FEATURE_ID(aa32_sha1, ARM_HWCAP2_ARM_SHA1); + GET_FEATURE_ID(aa32_sha2, ARM_HWCAP2_ARM_SHA2); + GET_FEATURE_ID(aa32_crc32, ARM_HWCAP2_ARM_CRC32); return hwcaps; } #undef GET_FEATURE +#undef GET_FEATURE_ID #else /* 64 bit ARM definitions */ @@ -570,23 +575,28 @@ static uint32_t get_elf_hwcap(void) /* probe for the extra features */ #define GET_FEATURE(feat, hwcap) \ do { if (arm_feature(&cpu->env, feat)) { hwcaps |= hwcap; } } while (0) - GET_FEATURE(ARM_FEATURE_V8_AES, ARM_HWCAP_A64_AES); - GET_FEATURE(ARM_FEATURE_V8_PMULL, ARM_HWCAP_A64_PMULL); - GET_FEATURE(ARM_FEATURE_V8_SHA1, ARM_HWCAP_A64_SHA1); - GET_FEATURE(ARM_FEATURE_V8_SHA256, ARM_HWCAP_A64_SHA2); - GET_FEATURE(ARM_FEATURE_CRC, ARM_HWCAP_A64_CRC32); - GET_FEATURE(ARM_FEATURE_V8_SHA3, ARM_HWCAP_A64_SHA3); - GET_FEATURE(ARM_FEATURE_V8_SM3, ARM_HWCAP_A64_SM3); - GET_FEATURE(ARM_FEATURE_V8_SM4, ARM_HWCAP_A64_SM4); - GET_FEATURE(ARM_FEATURE_V8_SHA512, ARM_HWCAP_A64_SHA512); +#define GET_FEATURE_ID(feat, hwcap) \ + do { if (cpu_isar_feature(feat, cpu)) { hwcaps |= hwcap; } } while (0) + + GET_FEATURE_ID(aa64_aes, ARM_HWCAP_A64_AES); + GET_FEATURE_ID(aa64_pmull, ARM_HWCAP_A64_PMULL); + GET_FEATURE_ID(aa64_sha1, ARM_HWCAP_A64_SHA1); + GET_FEATURE_ID(aa64_sha256, ARM_HWCAP_A64_SHA2); + GET_FEATURE_ID(aa64_sha512, ARM_HWCAP_A64_SHA512); + GET_FEATURE_ID(aa64_crc32, ARM_HWCAP_A64_CRC32); + GET_FEATURE_ID(aa64_sha3, ARM_HWCAP_A64_SHA3); + GET_FEATURE_ID(aa64_sm3, ARM_HWCAP_A64_SM3); + GET_FEATURE_ID(aa64_sm4, ARM_HWCAP_A64_SM4); GET_FEATURE(ARM_FEATURE_V8_FP16, ARM_HWCAP_A64_FPHP | ARM_HWCAP_A64_ASIMDHP); - GET_FEATURE(ARM_FEATURE_V8_ATOMICS, ARM_HWCAP_A64_ATOMICS); - GET_FEATURE(ARM_FEATURE_V8_RDM, ARM_HWCAP_A64_ASIMDRDM); - GET_FEATURE(ARM_FEATURE_V8_DOTPROD, ARM_HWCAP_A64_ASIMDDP); - GET_FEATURE(ARM_FEATURE_V8_FCMA, ARM_HWCAP_A64_FCMA); + GET_FEATURE_ID(aa64_atomics, ARM_HWCAP_A64_ATOMICS); + GET_FEATURE_ID(aa64_rdm, ARM_HWCAP_A64_ASIMDRDM); + GET_FEATURE_ID(aa64_dp, ARM_HWCAP_A64_ASIMDDP); + GET_FEATURE_ID(aa64_fcma, ARM_HWCAP_A64_FCMA); GET_FEATURE(ARM_FEATURE_SVE, ARM_HWCAP_A64_SVE); + #undef GET_FEATURE +#undef GET_FEATURE_ID return hwcaps; } diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 12e6273d60..6f27c33b55 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -1834,17 +1834,26 @@ static void arm_max_initfn(Object *obj) cortex_a15_initfn(obj); #ifdef CONFIG_USER_ONLY /* We don't set these in system emulation mode for the moment, - * since we don't correctly set the ID registers to advertise them, + * since we don't correctly set (all of) the ID registers to + * advertise them. */ set_feature(&cpu->env, ARM_FEATURE_V8); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); - set_feature(&cpu->env, ARM_FEATURE_V8_RDM); - set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD); - set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); + { + uint32_t t; + + 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, DP, 1); + cpu->isar.id_isar6 = t; + } #endif } } diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 79e551b618..eb5aba4870 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -109,11 +109,6 @@ static void aarch64_a57_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -170,11 +165,6 @@ static void aarch64_a53_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -229,11 +219,6 @@ static void aarch64_a72_initfn(Object *obj) set_feature(&cpu->env, ARM_FEATURE_GENERIC_TIMER); set_feature(&cpu->env, ARM_FEATURE_AARCH64); set_feature(&cpu->env, ARM_FEATURE_CBAR_RO); - set_feature(&cpu->env, ARM_FEATURE_V8_AES); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA1); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA256); - set_feature(&cpu->env, ARM_FEATURE_V8_PMULL); - set_feature(&cpu->env, ARM_FEATURE_CRC); set_feature(&cpu->env, ARM_FEATURE_EL2); set_feature(&cpu->env, ARM_FEATURE_EL3); set_feature(&cpu->env, ARM_FEATURE_PMU); @@ -312,7 +297,41 @@ static void aarch64_max_initfn(Object *obj) if (kvm_enabled()) { kvm_arm_set_cpu_features_from_host(cpu); } else { + uint64_t t; + uint32_t u; aarch64_a57_initfn(obj); + + t = cpu->isar.id_aa64isar0; + t = FIELD_DP64(t, ID_AA64ISAR0, AES, 2); /* AES + PMULL */ + t = FIELD_DP64(t, ID_AA64ISAR0, SHA1, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SHA2, 2); /* SHA512 */ + t = FIELD_DP64(t, ID_AA64ISAR0, CRC32, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, ATOMIC, 2); + t = FIELD_DP64(t, ID_AA64ISAR0, RDM, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SHA3, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SM3, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, SM4, 1); + t = FIELD_DP64(t, ID_AA64ISAR0, DP, 1); + cpu->isar.id_aa64isar0 = t; + + t = cpu->isar.id_aa64isar1; + t = FIELD_DP64(t, ID_AA64ISAR1, FCMA, 1); + cpu->isar.id_aa64isar1 = 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, DP, 1); + cpu->isar.id_isar6 = u; + #ifdef CONFIG_USER_ONLY /* We don't set these in system emulation mode for the moment, * since we don't correctly set the ID registers to advertise them, @@ -320,15 +339,7 @@ static void aarch64_max_initfn(Object *obj) * whereas the architecture requires them to be present in both if * present in either. */ - set_feature(&cpu->env, ARM_FEATURE_V8_SHA512); - set_feature(&cpu->env, ARM_FEATURE_V8_SHA3); - set_feature(&cpu->env, ARM_FEATURE_V8_SM3); - set_feature(&cpu->env, ARM_FEATURE_V8_SM4); - set_feature(&cpu->env, ARM_FEATURE_V8_ATOMICS); - set_feature(&cpu->env, ARM_FEATURE_V8_RDM); - set_feature(&cpu->env, ARM_FEATURE_V8_DOTPROD); set_feature(&cpu->env, ARM_FEATURE_V8_FP16); - set_feature(&cpu->env, ARM_FEATURE_V8_FCMA); set_feature(&cpu->env, ARM_FEATURE_SVE); /* For usermode -cpu max we can use a larger and more efficient DCZ * blocksize since we don't have to follow what the hardware does. diff --git a/target/arm/translate-a64.c b/target/arm/translate-a64.c index 8a24278d79..5979ba4778 100644 --- a/target/arm/translate-a64.c +++ b/target/arm/translate-a64.c @@ -2322,7 +2322,7 @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) } if (rt2 == 31 && ((rt | rs) & 1) == 0 - && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + && dc_isar_feature(aa64_atomics, s)) { /* CASP / CASPL */ gen_compare_and_swap_pair(s, rs, rt, rn, size | 2); return; @@ -2344,7 +2344,7 @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) } if (rt2 == 31 && ((rt | rs) & 1) == 0 - && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + && dc_isar_feature(aa64_atomics, s)) { /* CASPA / CASPAL */ gen_compare_and_swap_pair(s, rs, rt, rn, size | 2); return; @@ -2355,7 +2355,7 @@ static void disas_ldst_excl(DisasContext *s, uint32_t insn) case 0xb: /* CASL */ case 0xe: /* CASA */ case 0xf: /* CASAL */ - if (rt2 == 31 && arm_dc_feature(s, ARM_FEATURE_V8_ATOMICS)) { + if (rt2 == 31 && dc_isar_feature(aa64_atomics, s)) { gen_compare_and_swap(s, rs, rt, rn, size); return; } @@ -2894,11 +2894,10 @@ static void disas_ldst_atomic(DisasContext *s, uint32_t insn, int rs = extract32(insn, 16, 5); int rn = extract32(insn, 5, 5); int o3_opc = extract32(insn, 12, 4); - int feature = ARM_FEATURE_V8_ATOMICS; TCGv_i64 tcg_rn, tcg_rs; AtomicThreeOpFn *fn; - if (is_vector) { + if (is_vector || !dc_isar_feature(aa64_atomics, s)) { unallocated_encoding(s); return; } @@ -2934,10 +2933,6 @@ static void disas_ldst_atomic(DisasContext *s, uint32_t insn, unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { - unallocated_encoding(s); - return; - } if (rn == 31) { gen_check_sp_alignment(s); @@ -4568,7 +4563,7 @@ static void handle_crc32(DisasContext *s, TCGv_i64 tcg_acc, tcg_val; TCGv_i32 tcg_bytes; - if (!arm_dc_feature(s, ARM_FEATURE_CRC) + if (!dc_isar_feature(aa64_crc32, s) || (sf == 1 && sz != 3) || (sf == 0 && sz == 3)) { unallocated_encoding(s); @@ -8612,7 +8607,7 @@ static void disas_simd_scalar_three_reg_same_extra(DisasContext *s, bool u = extract32(insn, 29, 1); TCGv_i32 ele1, ele2, ele3; TCGv_i64 res; - int feature; + bool feature; switch (u * 16 + opcode) { case 0x10: /* SQRDMLAH (vector) */ @@ -8621,13 +8616,13 @@ static void disas_simd_scalar_three_reg_same_extra(DisasContext *s, unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_RDM; + feature = dc_isar_feature(aa64_rdm, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -10356,7 +10351,7 @@ static void disas_simd_three_reg_diff(DisasContext *s, uint32_t insn) return; } if (size == 3) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_PMULL)) { + if (!dc_isar_feature(aa64_pmull, s)) { unallocated_encoding(s); return; } @@ -11408,7 +11403,8 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) int size = extract32(insn, 22, 2); bool u = extract32(insn, 29, 1); bool is_q = extract32(insn, 30, 1); - int feature, rot; + bool feature; + int rot; switch (u * 16 + opcode) { case 0x10: /* SQRDMLAH (vector) */ @@ -11417,7 +11413,7 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_RDM; + feature = dc_isar_feature(aa64_rdm, s); break; case 0x02: /* SDOT (vector) */ case 0x12: /* UDOT (vector) */ @@ -11425,7 +11421,7 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_DOTPROD; + feature = dc_isar_feature(aa64_dp, s); break; case 0x18: /* FCMLA, #0 */ case 0x19: /* FCMLA, #90 */ @@ -11439,13 +11435,13 @@ static void disas_simd_three_reg_same_extra(DisasContext *s, uint32_t insn) unallocated_encoding(s); return; } - feature = ARM_FEATURE_V8_FCMA; + feature = dc_isar_feature(aa64_fcma, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -12659,14 +12655,14 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) break; case 0x1d: /* SQRDMLAH */ case 0x1f: /* SQRDMLSH */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (!dc_isar_feature(aa64_rdm, s)) { unallocated_encoding(s); return; } break; case 0x0e: /* SDOT */ case 0x1e: /* UDOT */ - if (size != MO_32 || !arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (size != MO_32 || !dc_isar_feature(aa64_dp, s)) { unallocated_encoding(s); return; } @@ -12675,7 +12671,7 @@ static void disas_simd_indexed(DisasContext *s, uint32_t insn) case 0x13: /* FCMLA #90 */ case 0x15: /* FCMLA #180 */ case 0x17: /* FCMLA #270 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA)) { + if (!dc_isar_feature(aa64_fcma, s)) { unallocated_encoding(s); return; } @@ -13202,8 +13198,7 @@ static void disas_crypto_aes(DisasContext *s, uint32_t insn) TCGv_i32 tcg_decrypt; CryptoThreeOpIntFn *genfn; - if (!arm_dc_feature(s, ARM_FEATURE_V8_AES) - || size != 0) { + if (!dc_isar_feature(aa64_aes, s) || size != 0) { unallocated_encoding(s); return; } @@ -13260,7 +13255,7 @@ static void disas_crypto_three_reg_sha(DisasContext *s, uint32_t insn) int rd = extract32(insn, 0, 5); CryptoThreeOpFn *genfn; TCGv_ptr tcg_rd_ptr, tcg_rn_ptr, tcg_rm_ptr; - int feature = ARM_FEATURE_V8_SHA256; + bool feature; if (size != 0) { unallocated_encoding(s); @@ -13273,23 +13268,26 @@ static void disas_crypto_three_reg_sha(DisasContext *s, uint32_t insn) case 2: /* SHA1M */ case 3: /* SHA1SU0 */ genfn = NULL; - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); break; case 4: /* SHA256H */ genfn = gen_helper_crypto_sha256h; + feature = dc_isar_feature(aa64_sha256, s); break; case 5: /* SHA256H2 */ genfn = gen_helper_crypto_sha256h2; + feature = dc_isar_feature(aa64_sha256, s); break; case 6: /* SHA256SU1 */ genfn = gen_helper_crypto_sha256su1; + feature = dc_isar_feature(aa64_sha256, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -13330,7 +13328,7 @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); CryptoTwoOpFn *genfn; - int feature; + bool feature; TCGv_ptr tcg_rd_ptr, tcg_rn_ptr; if (size != 0) { @@ -13340,15 +13338,15 @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) switch (opcode) { case 0: /* SHA1H */ - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); genfn = gen_helper_crypto_sha1h; break; case 1: /* SHA1SU1 */ - feature = ARM_FEATURE_V8_SHA1; + feature = dc_isar_feature(aa64_sha1, s); genfn = gen_helper_crypto_sha1su1; break; case 2: /* SHA256SU0 */ - feature = ARM_FEATURE_V8_SHA256; + feature = dc_isar_feature(aa64_sha256, s); genfn = gen_helper_crypto_sha256su0; break; default: @@ -13356,7 +13354,7 @@ static void disas_crypto_two_reg_sha(DisasContext *s, uint32_t insn) return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -13387,40 +13385,40 @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn) int rm = extract32(insn, 16, 5); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - int feature; + bool feature; CryptoThreeOpFn *genfn; if (o == 0) { switch (opcode) { case 0: /* SHA512H */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512h; break; case 1: /* SHA512H2 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512h2; break; case 2: /* SHA512SU1 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512su1; break; case 3: /* RAX1 */ - feature = ARM_FEATURE_V8_SHA3; + feature = dc_isar_feature(aa64_sha3, s); genfn = NULL; break; } } else { switch (opcode) { case 0: /* SM3PARTW1 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); genfn = gen_helper_crypto_sm3partw1; break; case 1: /* SM3PARTW2 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); genfn = gen_helper_crypto_sm3partw2; break; case 2: /* SM4EKEY */ - feature = ARM_FEATURE_V8_SM4; + feature = dc_isar_feature(aa64_sm4, s); genfn = gen_helper_crypto_sm4ekey; break; default: @@ -13429,7 +13427,7 @@ static void disas_crypto_three_reg_sha512(DisasContext *s, uint32_t insn) } } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -13488,16 +13486,16 @@ static void disas_crypto_two_reg_sha512(DisasContext *s, uint32_t insn) int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); TCGv_ptr tcg_rd_ptr, tcg_rn_ptr; - int feature; + bool feature; CryptoTwoOpFn *genfn; switch (opcode) { case 0: /* SHA512SU0 */ - feature = ARM_FEATURE_V8_SHA512; + feature = dc_isar_feature(aa64_sha512, s); genfn = gen_helper_crypto_sha512su0; break; case 1: /* SM4E */ - feature = ARM_FEATURE_V8_SM4; + feature = dc_isar_feature(aa64_sm4, s); genfn = gen_helper_crypto_sm4e; break; default: @@ -13505,7 +13503,7 @@ static void disas_crypto_two_reg_sha512(DisasContext *s, uint32_t insn) return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -13536,22 +13534,22 @@ static void disas_crypto_four_reg(DisasContext *s, uint32_t insn) int ra = extract32(insn, 10, 5); int rn = extract32(insn, 5, 5); int rd = extract32(insn, 0, 5); - int feature; + bool feature; switch (op0) { case 0: /* EOR3 */ case 1: /* BCAX */ - feature = ARM_FEATURE_V8_SHA3; + feature = dc_isar_feature(aa64_sha3, s); break; case 2: /* SM3SS1 */ - feature = ARM_FEATURE_V8_SM3; + feature = dc_isar_feature(aa64_sm3, s); break; default: unallocated_encoding(s); return; } - if (!arm_dc_feature(s, feature)) { + if (!feature) { unallocated_encoding(s); return; } @@ -13638,7 +13636,7 @@ static void disas_crypto_xar(DisasContext *s, uint32_t insn) TCGv_i64 tcg_op1, tcg_op2, tcg_res[2]; int pass; - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA3)) { + if (!dc_isar_feature(aa64_sha3, s)) { unallocated_encoding(s); return; } @@ -13684,7 +13682,7 @@ static void disas_crypto_three_reg_imm2(DisasContext *s, uint32_t insn) TCGv_ptr tcg_rd_ptr, tcg_rn_ptr, tcg_rm_ptr; TCGv_i32 tcg_imm2, tcg_opcode; - if (!arm_dc_feature(s, ARM_FEATURE_V8_SM3)) { + if (!dc_isar_feature(aa64_sm3, s)) { unallocated_encoding(s); return; } @@ -13833,6 +13831,7 @@ static void aarch64_tr_init_disas_context(DisasContextBase *dcbase, ARMCPU *arm_cpu = arm_env_get_cpu(env); int bound; + dc->isar = &arm_cpu->isar; dc->pc = dc->base.pc_first; dc->condjmp = 0; diff --git a/target/arm/translate.c b/target/arm/translate.c index 1b4bacb522..f621595197 100644 --- a/target/arm/translate.c +++ b/target/arm/translate.c @@ -5689,7 +5689,7 @@ static const uint8_t neon_2rm_sizes[] = { static int do_v81_helper(DisasContext *s, gen_helper_gvec_3_ptr *fn, int q, int rd, int rn, int rm) { - if (arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (dc_isar_feature(aa32_rdm, s)) { int opr_sz = (1 + q) * 8; tcg_gen_gvec_3_ptr(vfp_reg_offset(1, rd), vfp_reg_offset(1, rn), @@ -5763,7 +5763,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) return 1; } if (!u) { /* SHA-1 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1)) { + if (!dc_isar_feature(aa32_sha1, s)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -5773,7 +5773,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) gen_helper_crypto_sha1_3reg(ptr1, ptr2, ptr3, tmp4); tcg_temp_free_i32(tmp4); } else { /* SHA-256 */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA256) || size == 3) { + if (!dc_isar_feature(aa32_sha2, s) || size == 3) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -6768,7 +6768,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) if (op == 14 && size == 2) { TCGv_i64 tcg_rn, tcg_rm, tcg_rd; - if (!arm_dc_feature(s, ARM_FEATURE_V8_PMULL)) { + if (!dc_isar_feature(aa32_pmull, s)) { return 1; } tcg_rn = tcg_temp_new_i64(); @@ -7085,7 +7085,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) { NeonGenThreeOpEnvFn *fn; - if (!arm_dc_feature(s, ARM_FEATURE_V8_RDM)) { + if (!dc_isar_feature(aa32_rdm, s)) { return 1; } if (u && ((rd | rn) & 1)) { @@ -7359,8 +7359,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) break; } case NEON_2RM_AESE: case NEON_2RM_AESMC: - if (!arm_dc_feature(s, ARM_FEATURE_V8_AES) - || ((rm | rd) & 1)) { + if (!dc_isar_feature(aa32_aes, s) || ((rm | rd) & 1)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -7381,8 +7380,7 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) tcg_temp_free_i32(tmp3); break; case NEON_2RM_SHA1H: - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1) - || ((rm | rd) & 1)) { + if (!dc_isar_feature(aa32_sha1, s) || ((rm | rd) & 1)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -7399,10 +7397,10 @@ static int disas_neon_data_insn(DisasContext *s, uint32_t insn) } /* bit 6 (q): set -> SHA256SU0, cleared -> SHA1SU1 */ if (q) { - if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA256)) { + if (!dc_isar_feature(aa32_sha2, s)) { return 1; } - } else if (!arm_dc_feature(s, ARM_FEATURE_V8_SHA1)) { + } else if (!dc_isar_feature(aa32_sha1, s)) { return 1; } ptr1 = vfp_reg_ptr(true, rd); @@ -7813,7 +7811,7 @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) /* VCMLA -- 1111 110R R.1S .... .... 1000 ...0 .... */ int size = extract32(insn, 20, 1); data = extract32(insn, 23, 2); /* rot */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA) + if (!dc_isar_feature(aa32_vcma, s) || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { return 1; } @@ -7822,7 +7820,7 @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) /* VCADD -- 1111 110R 1.0S .... .... 1000 ...0 .... */ int size = extract32(insn, 20, 1); data = extract32(insn, 24, 1); /* rot */ - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA) + if (!dc_isar_feature(aa32_vcma, s) || (!size && !arm_dc_feature(s, ARM_FEATURE_V8_FP16))) { return 1; } @@ -7830,7 +7828,7 @@ static int disas_neon_insn_3same_ext(DisasContext *s, uint32_t insn) } else if ((insn & 0xfeb00f00) == 0xfc200d00) { /* V[US]DOT -- 1111 1100 0.10 .... .... 1101 .Q.U .... */ bool u = extract32(insn, 4, 1); - if (!arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (!dc_isar_feature(aa32_dp, s)) { return 1; } fn_gvec = u ? gen_helper_gvec_udot_b : gen_helper_gvec_sdot_b; @@ -7892,7 +7890,7 @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) int size = extract32(insn, 23, 1); int index; - if (!arm_dc_feature(s, ARM_FEATURE_V8_FCMA)) { + if (!dc_isar_feature(aa32_vcma, s)) { return 1; } if (size == 0) { @@ -7913,7 +7911,7 @@ static int disas_neon_insn_2reg_scalar_ext(DisasContext *s, uint32_t insn) } else if ((insn & 0xffb00f00) == 0xfe200d00) { /* V[US]DOT -- 1111 1110 0.10 .... .... 1101 .Q.U .... */ int u = extract32(insn, 4, 1); - if (!arm_dc_feature(s, ARM_FEATURE_V8_DOTPROD)) { + if (!dc_isar_feature(aa32_dp, s)) { return 1; } fn_gvec = u ? gen_helper_gvec_udot_idx_b : gen_helper_gvec_sdot_idx_b; @@ -8889,8 +8887,7 @@ static void disas_arm_insn(DisasContext *s, unsigned int insn) * op1 == 3 is UNPREDICTABLE but handle as UNDEFINED. * Bits 8, 10 and 11 should be zero. */ - if (!arm_dc_feature(s, ARM_FEATURE_CRC) || op1 == 0x3 || - (c & 0xd) != 0) { + if (!dc_isar_feature(aa32_crc32, s) || op1 == 0x3 || (c & 0xd) != 0) { goto illegal_op; } @@ -10785,7 +10782,7 @@ static void disas_thumb2_insn(DisasContext *s, uint32_t insn) case 0x28: case 0x29: case 0x2a: - if (!arm_dc_feature(s, ARM_FEATURE_CRC)) { + if (!dc_isar_feature(aa32_crc32, s)) { goto illegal_op; } break; @@ -12586,6 +12583,7 @@ static void arm_tr_init_disas_context(DisasContextBase *dcbase, CPUState *cs) CPUARMState *env = cs->env_ptr; ARMCPU *cpu = arm_env_get_cpu(env); + dc->isar = &cpu->isar; dc->pc = dc->base.pc_first; dc->condjmp = 0;