diff options
Diffstat (limited to 'target/arm/cpu.c')
| -rw-r--r-- | target/arm/cpu.c | 73 |
1 files changed, 61 insertions, 12 deletions
diff --git a/target/arm/cpu.c b/target/arm/cpu.c index 01786ac..45cb6fd 100644 --- a/target/arm/cpu.c +++ b/target/arm/cpu.c @@ -33,7 +33,7 @@ #endif /* CONFIG_TCG */ #include "internals.h" #include "cpu-features.h" -#include "exec/exec-all.h" +#include "exec/target_page.h" #include "hw/qdev-properties.h" #if !defined(CONFIG_USER_ONLY) #include "hw/loader.h" @@ -121,6 +121,12 @@ void arm_restore_state_to_opc(CPUState *cs, env->exception.syndrome = data[2] << ARM_INSN_START_WORD2_SHIFT; } } + +int arm_cpu_mmu_index(CPUState *cs, bool ifetch) +{ + return arm_env_mmu_index(cpu_env(cs)); +} + #endif /* CONFIG_TCG */ #ifndef CONFIG_USER_ONLY @@ -144,11 +150,6 @@ static bool arm_cpu_has_work(CPUState *cs) } #endif /* !CONFIG_USER_ONLY */ -static int arm_cpu_mmu_index(CPUState *cs, bool ifetch) -{ - return arm_env_mmu_index(cpu_env(cs)); -} - void arm_register_pre_el_change_hook(ARMCPU *cpu, ARMELChangeHookFn *hook, void *opaque) { @@ -2647,13 +2648,54 @@ static const gchar *arm_gdb_arch_name(CPUState *cs) ARMCPU *cpu = ARM_CPU(cs); CPUARMState *env = &cpu->env; + if (arm_gdbstub_is_aarch64(cpu)) { + return "aarch64"; + } if (arm_feature(env, ARM_FEATURE_IWMMXT)) { return "iwmmxt"; } return "arm"; } -#ifndef CONFIG_USER_ONLY +static const char *arm_gdb_get_core_xml_file(CPUState *cs) +{ + ARMCPU *cpu = ARM_CPU(cs); + CPUARMState *env = &cpu->env; + + if (arm_gdbstub_is_aarch64(cpu)) { + return "aarch64-core.xml"; + } + if (arm_feature(env, ARM_FEATURE_M)) { + return "arm-m-profile.xml"; + } + return "arm-core.xml"; +} + +#ifdef CONFIG_USER_ONLY +/** + * aarch64_untagged_addr: + * + * Remove any address tag from @x. This is explicitly related to the + * linux syscall TIF_TAGGED_ADDR setting, not TBI in general. + * + * There should be a better place to put this, but we need this in + * include/exec/cpu_ldst.h, and not some place linux-user specific. + * + * Note that arm-*-user will never set tagged_addr_enable. + */ +static vaddr aarch64_untagged_addr(CPUState *cs, vaddr x) +{ + CPUARMState *env = cpu_env(cs); + if (env->tagged_addr_enable) { + /* + * TBI is enabled for userspace but not kernelspace addresses. + * Only clear the tag if bit 55 is clear. + */ + x &= sextract64(x, 0, 56); + } + return x; +} +#else #include "hw/core/sysemu-cpu-ops.h" static const struct SysemuCPUOps arm_sysemu_ops = { @@ -2669,19 +2711,27 @@ static const struct SysemuCPUOps arm_sysemu_ops = { #ifdef CONFIG_TCG static const TCGCPUOps arm_tcg_ops = { + .mttcg_supported = true, + /* ARM processors have a weak memory model */ + .guest_default_memory_order = 0, + .initialize = arm_translate_init, .translate_code = arm_translate_code, + .get_tb_cpu_state = arm_get_tb_cpu_state, .synchronize_from_tb = arm_cpu_synchronize_from_tb, .debug_excp_handler = arm_debug_excp_handler, .restore_state_to_opc = arm_restore_state_to_opc, + .mmu_index = arm_cpu_mmu_index, #ifdef CONFIG_USER_ONLY .record_sigsegv = arm_cpu_record_sigsegv, .record_sigbus = arm_cpu_record_sigbus, + .untagged_addr = aarch64_untagged_addr, #else .tlb_fill_align = arm_cpu_tlb_fill_align, .cpu_exec_interrupt = arm_cpu_exec_interrupt, .cpu_exec_halt = arm_cpu_exec_halt, + .cpu_exec_reset = cpu_reset, .do_interrupt = arm_cpu_do_interrupt, .do_transaction_failed = arm_cpu_do_transaction_failed, .do_unaligned_access = arm_cpu_do_unaligned_access, @@ -2692,7 +2742,7 @@ static const TCGCPUOps arm_tcg_ops = { }; #endif /* CONFIG_TCG */ -static void arm_cpu_class_init(ObjectClass *oc, void *data) +static void arm_cpu_class_init(ObjectClass *oc, const void *data) { ARMCPUClass *acc = ARM_CPU_CLASS(oc); CPUClass *cc = CPU_CLASS(acc); @@ -2708,7 +2758,6 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) &acc->parent_phases); cc->class_by_name = arm_cpu_class_by_name; - cc->mmu_index = arm_cpu_mmu_index; cc->dump_state = arm_cpu_dump_state; cc->set_pc = arm_cpu_set_pc; cc->get_pc = arm_cpu_get_pc; @@ -2718,6 +2767,7 @@ static void arm_cpu_class_init(ObjectClass *oc, void *data) cc->sysemu_ops = &arm_sysemu_ops; #endif cc->gdb_arch_name = arm_gdb_arch_name; + cc->gdb_get_core_xml_file = arm_gdb_get_core_xml_file; cc->gdb_stop_before_watchpoint = true; cc->disas_set_info = arm_disas_set_info; @@ -2734,13 +2784,12 @@ static void arm_cpu_instance_init(Object *obj) arm_cpu_post_init(obj); } -static void cpu_register_class_init(ObjectClass *oc, void *data) +static void cpu_register_class_init(ObjectClass *oc, const void *data) { ARMCPUClass *acc = ARM_CPU_CLASS(oc); CPUClass *cc = CPU_CLASS(acc); acc->info = data; - cc->gdb_core_xml_file = "arm-core.xml"; if (acc->info->deprecation_note) { cc->deprecation_note = acc->info->deprecation_note; } @@ -2752,7 +2801,7 @@ void arm_cpu_register(const ARMCPUInfo *info) .parent = TYPE_ARM_CPU, .instance_init = arm_cpu_instance_init, .class_init = info->class_init ?: cpu_register_class_init, - .class_data = (void *)info, + .class_data = info, }; type_info.name = g_strdup_printf("%s-" TYPE_ARM_CPU, info->name); |