diff options
Diffstat (limited to 'target/arm/cpu64.c')
-rw-r--r-- | target/arm/cpu64.c | 222 |
1 files changed, 73 insertions, 149 deletions
diff --git a/target/arm/cpu64.c b/target/arm/cpu64.c index 8188ede..1f34067 100644 --- a/target/arm/cpu64.c +++ b/target/arm/cpu64.c @@ -36,6 +36,28 @@ #include "cpu-features.h" #include "cpregs.h" +/* convert between <register>_IDX and SYS_<register> */ +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \ + [NAME##_IDX] = SYS_##NAME, + +const uint32_t id_register_sysreg[NUM_ID_IDX] = { +#include "cpu-sysregs.h.inc" +}; + +#undef DEF +#define DEF(NAME, OP0, OP1, CRN, CRM, OP2) \ + case SYS_##NAME: return NAME##_IDX; + +int get_sysreg_idx(ARMSysRegs sysreg) +{ + switch (sysreg) { +#include "cpu-sysregs.h.inc" + } + g_assert_not_reached(); +} + +#undef DEF + void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp) { /* @@ -114,7 +136,7 @@ void arm_cpu_sve_finalize(ARMCPU *cpu, Error **errp) * SVE is disabled and so are all vector lengths. Good. * Disable all SVE extensions as well. */ - cpu->isar.id_aa64zfr0 = 0; + SET_IDREG(&cpu->isar, ID_AA64ZFR0, 0); return; } @@ -288,16 +310,13 @@ static bool cpu_arm_get_sve(Object *obj, Error **errp) static void cpu_arm_set_sve(Object *obj, bool value, Error **errp) { ARMCPU *cpu = ARM_CPU(obj); - uint64_t t; if (value && kvm_enabled() && !kvm_arm_sve_supported()) { error_setg(errp, "'sve' feature not supported by KVM on this host"); return; } - t = cpu->isar.id_aa64pfr0; - t = FIELD_DP64(t, ID_AA64PFR0, SVE, value); - cpu->isar.id_aa64pfr0 = t; + FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR0, SVE, value); } void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp) @@ -309,7 +328,7 @@ void arm_cpu_sme_finalize(ARMCPU *cpu, Error **errp) if (vq_map == 0) { if (!cpu_isar_feature(aa64_sme, cpu)) { - cpu->isar.id_aa64smfr0 = 0; + SET_IDREG(&cpu->isar, ID_AA64SMFR0, 0); return; } @@ -348,11 +367,8 @@ static bool cpu_arm_get_sme(Object *obj, Error **errp) static void cpu_arm_set_sme(Object *obj, bool value, Error **errp) { ARMCPU *cpu = ARM_CPU(obj); - uint64_t t; - t = cpu->isar.id_aa64pfr1; - t = FIELD_DP64(t, ID_AA64PFR1, SME, value); - cpu->isar.id_aa64pfr1 = t; + FIELD_DP64_IDREG(&cpu->isar, ID_AA64PFR1, SME, value); } static bool cpu_arm_get_sme_fa64(Object *obj, Error **errp) @@ -365,11 +381,8 @@ static bool cpu_arm_get_sme_fa64(Object *obj, Error **errp) static void cpu_arm_set_sme_fa64(Object *obj, bool value, Error **errp) { ARMCPU *cpu = ARM_CPU(obj); - uint64_t t; - t = cpu->isar.id_aa64smfr0; - t = FIELD_DP64(t, ID_AA64SMFR0, FA64, value); - cpu->isar.id_aa64smfr0 = t; + FIELD_DP64_IDREG(&cpu->isar, ID_AA64SMFR0, FA64, value); } #ifdef CONFIG_USER_ONLY @@ -480,6 +493,7 @@ void aarch64_add_sme_properties(Object *obj) void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp) { ARMPauthFeature features = cpu_isar_feature(pauth_feature, cpu); + ARMISARegisters *isar = &cpu->isar; uint64_t isar1, isar2; /* @@ -490,13 +504,13 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp) * * Begin by disabling all fields. */ - isar1 = cpu->isar.id_aa64isar1; + isar1 = GET_IDREG(isar, ID_AA64ISAR1); isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, APA, 0); isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPA, 0); isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, API, 0); isar1 = FIELD_DP64(isar1, ID_AA64ISAR1, GPI, 0); - isar2 = cpu->isar.id_aa64isar2; + isar2 = GET_IDREG(isar, ID_AA64ISAR2); isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, APA3, 0); isar2 = FIELD_DP64(isar2, ID_AA64ISAR2, GPA3, 0); @@ -558,8 +572,8 @@ void arm_cpu_pauth_finalize(ARMCPU *cpu, Error **errp) } } - cpu->isar.id_aa64isar1 = isar1; - cpu->isar.id_aa64isar2 = isar2; + SET_IDREG(isar, ID_AA64ISAR1, isar1); + SET_IDREG(isar, ID_AA64ISAR2, isar2); } static const Property arm_cpu_pauth_property = @@ -606,17 +620,18 @@ void arm_cpu_lpa2_finalize(ARMCPU *cpu, Error **errp) return; } - t = cpu->isar.id_aa64mmfr0; + t = GET_IDREG(&cpu->isar, ID_AA64MMFR0); t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16, 2); /* 16k pages w/ LPA2 */ t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4, 1); /* 4k pages w/ LPA2 */ t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN16_2, 3); /* 16k stage2 w/ LPA2 */ t = FIELD_DP64(t, ID_AA64MMFR0, TGRAN4_2, 3); /* 4k stage2 w/ LPA2 */ - cpu->isar.id_aa64mmfr0 = t; + SET_IDREG(&cpu->isar, ID_AA64MMFR0, t); } static void aarch64_a57_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); + ARMISARegisters *isar = &cpu->isar; cpu->dtb_compatible = "arm,cortex-a57"; set_feature(&cpu->env, ARM_FEATURE_V8); @@ -637,25 +652,25 @@ static void aarch64_a57_initfn(Object *obj) cpu->isar.mvfr2 = 0x00000043; cpu->ctr = 0x8444c004; cpu->reset_sctlr = 0x00c50838; - cpu->isar.id_pfr0 = 0x00000131; - cpu->isar.id_pfr1 = 0x00011011; - cpu->isar.id_dfr0 = 0x03010066; + SET_IDREG(isar, ID_PFR0, 0x00000131); + SET_IDREG(isar, ID_PFR1, 0x00011011); + SET_IDREG(isar, ID_DFR0, 0x03010066); cpu->id_afr0 = 0x00000000; - cpu->isar.id_mmfr0 = 0x10101105; - cpu->isar.id_mmfr1 = 0x40000000; - cpu->isar.id_mmfr2 = 0x01260000; - cpu->isar.id_mmfr3 = 0x02102211; - cpu->isar.id_isar0 = 0x02101110; - cpu->isar.id_isar1 = 0x13112111; - cpu->isar.id_isar2 = 0x21232042; - cpu->isar.id_isar3 = 0x01112131; - cpu->isar.id_isar4 = 0x00011142; - cpu->isar.id_isar5 = 0x00011121; - cpu->isar.id_isar6 = 0; - cpu->isar.id_aa64pfr0 = 0x00002222; - cpu->isar.id_aa64dfr0 = 0x10305106; - cpu->isar.id_aa64isar0 = 0x00011120; - cpu->isar.id_aa64mmfr0 = 0x00001124; + SET_IDREG(isar, ID_MMFR0, 0x10101105); + SET_IDREG(isar, ID_MMFR1, 0x40000000); + SET_IDREG(isar, ID_MMFR2, 0x01260000); + SET_IDREG(isar, ID_MMFR3, 0x02102211); + SET_IDREG(isar, ID_ISAR0, 0x02101110); + SET_IDREG(isar, ID_ISAR1, 0x13112111); + SET_IDREG(isar, ID_ISAR2, 0x21232042); + SET_IDREG(isar, ID_ISAR3, 0x01112131); + SET_IDREG(isar, ID_ISAR4, 0x00011142); + SET_IDREG(isar, ID_ISAR5, 0x00011121); + SET_IDREG(isar, ID_ISAR6, 0); + SET_IDREG(isar, ID_AA64PFR0, 0x00002222); + SET_IDREG(isar, ID_AA64DFR0, 0x10305106); + SET_IDREG(isar, ID_AA64ISAR0, 0x00011120); + SET_IDREG(isar, ID_AA64MMFR0, 0x00001124); cpu->isar.dbgdidr = 0x3516d000; cpu->isar.dbgdevid = 0x01110f13; cpu->isar.dbgdevid1 = 0x2; @@ -678,6 +693,7 @@ static void aarch64_a57_initfn(Object *obj) static void aarch64_a53_initfn(Object *obj) { ARMCPU *cpu = ARM_CPU(obj); + ARMISARegisters *isar = &cpu->isar; cpu->dtb_compatible = "arm,cortex-a53"; set_feature(&cpu->env, ARM_FEATURE_V8); @@ -698,25 +714,25 @@ static void aarch64_a53_initfn(Object *obj) cpu->isar.mvfr2 = 0x00000043; cpu->ctr = 0x84448004; /* L1Ip = VIPT */ cpu->reset_sctlr = 0x00c50838; - cpu->isar.id_pfr0 = 0x00000131; - cpu->isar.id_pfr1 = 0x00011011; - cpu->isar.id_dfr0 = 0x03010066; + SET_IDREG(isar, ID_PFR0, 0x00000131); + SET_IDREG(isar, ID_PFR1, 0x00011011); + SET_IDREG(isar, ID_DFR0, 0x03010066); cpu->id_afr0 = 0x00000000; - cpu->isar.id_mmfr0 = 0x10101105; - cpu->isar.id_mmfr1 = 0x40000000; - cpu->isar.id_mmfr2 = 0x01260000; - cpu->isar.id_mmfr3 = 0x02102211; - cpu->isar.id_isar0 = 0x02101110; - cpu->isar.id_isar1 = 0x13112111; - cpu->isar.id_isar2 = 0x21232042; - cpu->isar.id_isar3 = 0x01112131; - cpu->isar.id_isar4 = 0x00011142; - cpu->isar.id_isar5 = 0x00011121; - cpu->isar.id_isar6 = 0; - cpu->isar.id_aa64pfr0 = 0x00002222; - cpu->isar.id_aa64dfr0 = 0x10305106; - cpu->isar.id_aa64isar0 = 0x00011120; - cpu->isar.id_aa64mmfr0 = 0x00001122; /* 40 bit physical addr */ + SET_IDREG(isar, ID_MMFR0, 0x10101105); + SET_IDREG(isar, ID_MMFR1, 0x40000000); + SET_IDREG(isar, ID_MMFR2, 0x01260000); + SET_IDREG(isar, ID_MMFR3, 0x02102211); + SET_IDREG(isar, ID_ISAR0, 0x02101110); + SET_IDREG(isar, ID_ISAR1, 0x13112111); + SET_IDREG(isar, ID_ISAR2, 0x21232042); + SET_IDREG(isar, ID_ISAR3, 0x01112131); + SET_IDREG(isar, ID_ISAR4, 0x00011142); + SET_IDREG(isar, ID_ISAR5, 0x00011121); + SET_IDREG(isar, ID_ISAR6, 0); + SET_IDREG(isar, ID_AA64PFR0, 0x00002222); + SET_IDREG(isar, ID_AA64DFR0, 0x10305106); + SET_IDREG(isar, ID_AA64ISAR0, 0x00011120); + SET_IDREG(isar, ID_AA64MMFR0, 0x00001122); /* 40 bit physical addr */ cpu->isar.dbgdidr = 0x3516d000; cpu->isar.dbgdevid = 0x00110f13; cpu->isar.dbgdevid1 = 0x1; @@ -781,104 +797,12 @@ static const ARMCPUInfo aarch64_cpus[] = { #endif }; -static bool aarch64_cpu_get_aarch64(Object *obj, Error **errp) -{ - ARMCPU *cpu = ARM_CPU(obj); - - return arm_feature(&cpu->env, ARM_FEATURE_AARCH64); -} - -static void aarch64_cpu_set_aarch64(Object *obj, bool value, Error **errp) -{ - ARMCPU *cpu = ARM_CPU(obj); - - /* At this time, this property is only allowed if KVM is enabled. This - * restriction allows us to avoid fixing up functionality that assumes a - * uniform execution state like do_interrupt. - */ - if (value == false) { - if (!kvm_enabled() || !kvm_arm_aarch32_supported()) { - error_setg(errp, "'aarch64' feature cannot be disabled " - "unless KVM is enabled and 32-bit EL1 " - "is supported"); - return; - } - unset_feature(&cpu->env, ARM_FEATURE_AARCH64); - } else { - set_feature(&cpu->env, ARM_FEATURE_AARCH64); - } -} - -static void aarch64_cpu_finalizefn(Object *obj) -{ -} - -static const gchar *aarch64_gdb_arch_name(CPUState *cs) -{ - return "aarch64"; -} - -static void aarch64_cpu_class_init(ObjectClass *oc, void *data) -{ - CPUClass *cc = CPU_CLASS(oc); - - cc->gdb_read_register = aarch64_cpu_gdb_read_register; - cc->gdb_write_register = aarch64_cpu_gdb_write_register; - cc->gdb_core_xml_file = "aarch64-core.xml"; - cc->gdb_arch_name = aarch64_gdb_arch_name; - - object_class_property_add_bool(oc, "aarch64", aarch64_cpu_get_aarch64, - aarch64_cpu_set_aarch64); - object_class_property_set_description(oc, "aarch64", - "Set on/off to enable/disable aarch64 " - "execution state "); -} - -static void aarch64_cpu_instance_init(Object *obj) -{ - ARMCPUClass *acc = ARM_CPU_GET_CLASS(obj); - - acc->info->initfn(obj); - arm_cpu_post_init(obj); -} - -static void cpu_register_class_init(ObjectClass *oc, void *data) -{ - ARMCPUClass *acc = ARM_CPU_CLASS(oc); - - acc->info = data; -} - -void aarch64_cpu_register(const ARMCPUInfo *info) -{ - TypeInfo type_info = { - .parent = TYPE_AARCH64_CPU, - .instance_init = aarch64_cpu_instance_init, - .class_init = info->class_init ?: cpu_register_class_init, - .class_data = (void *)info, - }; - - type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name); - type_register_static(&type_info); - g_free((void *)type_info.name); -} - -static const TypeInfo aarch64_cpu_type_info = { - .name = TYPE_AARCH64_CPU, - .parent = TYPE_ARM_CPU, - .instance_finalize = aarch64_cpu_finalizefn, - .abstract = true, - .class_init = aarch64_cpu_class_init, -}; - static void aarch64_cpu_register_types(void) { size_t i; - type_register_static(&aarch64_cpu_type_info); - for (i = 0; i < ARRAY_SIZE(aarch64_cpus); ++i) { - aarch64_cpu_register(&aarch64_cpus[i]); + arm_cpu_register(&aarch64_cpus[i]); } } |