diff options
Diffstat (limited to 'target/arm/cpu.c')
| -rw-r--r-- | target/arm/cpu.c | 83 |
1 files changed, 38 insertions, 45 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 45cb6fd7ee..ca5ed7892e 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -23,6 +23,7 @@ #include "qemu/timer.h" #include "qemu/log.h" #include "exec/page-vary.h" +#include "exec/tswap.h" #include "target/arm/idau.h" #include "qemu/module.h" #include "qapi/error.h" @@ -1098,37 +1099,6 @@ static void arm_cpu_set_irq(void *opaque, int irq, int level) } } -static void arm_cpu_kvm_set_irq(void *opaque, int irq, int level) -{ -#ifdef CONFIG_KVM - ARMCPU *cpu = opaque; - CPUARMState *env = &cpu->env; - CPUState *cs = CPU(cpu); - uint32_t linestate_bit; - int irq_id; - - switch (irq) { - case ARM_CPU_IRQ: - irq_id = KVM_ARM_IRQ_CPU_IRQ; - linestate_bit = CPU_INTERRUPT_HARD; - break; - case ARM_CPU_FIQ: - irq_id = KVM_ARM_IRQ_CPU_FIQ; - linestate_bit = CPU_INTERRUPT_FIQ; - break; - default: - g_assert_not_reached(); - } - - if (level) { - env->irq_line_state |= linestate_bit; - } else { - env->irq_line_state &= ~linestate_bit; - } - kvm_arm_set_irq(cs->cpu_index, KVM_ARM_IRQ_TYPE_CPU, irq_id, !!level); -#endif -} - static bool arm_cpu_virtio_is_big_endian(CPUState *cs) { ARMCPU *cpu = ARM_CPU(cs); @@ -1202,7 +1172,7 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info) info->endian = BFD_ENDIAN_LITTLE; if (bswap_code(sctlr_b)) { - info->endian = TARGET_BIG_ENDIAN ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG; + info->endian = target_big_endian() ? BFD_ENDIAN_LITTLE : BFD_ENDIAN_BIG; } info->flags &= ~INSN_ARM_BE32; #ifndef CONFIG_USER_ONLY @@ -1212,8 +1182,6 @@ static void arm_disas_set_info(CPUState *cpu, disassemble_info *info) #endif } -#ifdef TARGET_AARCH64 - static void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags) { ARMCPU *cpu = ARM_CPU(cs); @@ -1371,15 +1339,6 @@ static void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags) } } -#else - -static inline void aarch64_cpu_dump_state(CPUState *cs, FILE *f, int flags) -{ - g_assert_not_reached(); -} - -#endif - static void arm_cpu_dump_state(CPUState *cs, FILE *f, int flags) { ARMCPU *cpu = ARM_CPU(cs); @@ -1609,6 +1568,35 @@ static void arm_set_pmu(Object *obj, bool value, Error **errp) cpu->has_pmu = value; } +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); + } +} + unsigned int gt_cntfrq_period_ns(ARMCPU *cpu) { /* @@ -1736,6 +1724,13 @@ void arm_cpu_post_init(Object *obj) */ arm_cpu_propagate_feature_implications(cpu); + if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) { + object_property_add_bool(obj, "aarch64", aarch64_cpu_get_aarch64, + aarch64_cpu_set_aarch64); + object_property_set_description(obj, "aarch64", + "Set on/off to enable/disable aarch64 " + "execution state "); + } if (arm_feature(&cpu->env, ARM_FEATURE_CBAR) || arm_feature(&cpu->env, ARM_FEATURE_CBAR_RO)) { qdev_property_add_static(DEVICE(obj), &arm_cpu_reset_cbar_property); @@ -1918,7 +1913,6 @@ void arm_cpu_finalize_features(ARMCPU *cpu, Error **errp) { Error *local_err = NULL; -#ifdef TARGET_AARCH64 if (arm_feature(&cpu->env, ARM_FEATURE_AARCH64)) { arm_cpu_sve_finalize(cpu, &local_err); if (local_err != NULL) { @@ -1954,7 +1948,6 @@ void arm_cpu_finalize_features(ARMCPU *cpu, Error **errp) return; } } -#endif if (kvm_enabled()) { kvm_arm_steal_time_finalize(cpu, &local_err); |