diff options
Diffstat (limited to 'target-arm/cpu.c')
| -rw-r--r-- | target-arm/cpu.c | 78 |
1 files changed, 58 insertions, 20 deletions
diff --git a/target-arm/cpu.c b/target-arm/cpu.c index 3ca3fa8d21..4a888ab47a 100644 --- a/target-arm/cpu.c +++ b/target-arm/cpu.c @@ -206,31 +206,52 @@ static void arm_cpu_reset(CPUState *s) bool arm_cpu_exec_interrupt(CPUState *cs, int interrupt_request) { CPUClass *cc = CPU_GET_CLASS(cs); + CPUARMState *env = cs->env_ptr; + uint32_t cur_el = arm_current_el(env); + bool secure = arm_is_secure(env); + uint32_t target_el; + uint32_t excp_idx; bool ret = false; - if (interrupt_request & CPU_INTERRUPT_FIQ - && arm_excp_unmasked(cs, EXCP_FIQ)) { - cs->exception_index = EXCP_FIQ; - cc->do_interrupt(cs); - ret = true; + if (interrupt_request & CPU_INTERRUPT_FIQ) { + excp_idx = EXCP_FIQ; + target_el = arm_phys_excp_target_el(cs, excp_idx, cur_el, secure); + if (arm_excp_unmasked(cs, excp_idx, target_el)) { + cs->exception_index = excp_idx; + env->exception.target_el = target_el; + cc->do_interrupt(cs); + ret = true; + } } - if (interrupt_request & CPU_INTERRUPT_HARD - && arm_excp_unmasked(cs, EXCP_IRQ)) { - cs->exception_index = EXCP_IRQ; - cc->do_interrupt(cs); - ret = true; + if (interrupt_request & CPU_INTERRUPT_HARD) { + excp_idx = EXCP_IRQ; + target_el = arm_phys_excp_target_el(cs, excp_idx, cur_el, secure); + if (arm_excp_unmasked(cs, excp_idx, target_el)) { + cs->exception_index = excp_idx; + env->exception.target_el = target_el; + cc->do_interrupt(cs); + ret = true; + } } - if (interrupt_request & CPU_INTERRUPT_VIRQ - && arm_excp_unmasked(cs, EXCP_VIRQ)) { - cs->exception_index = EXCP_VIRQ; - cc->do_interrupt(cs); - ret = true; + if (interrupt_request & CPU_INTERRUPT_VIRQ) { + excp_idx = EXCP_VIRQ; + target_el = 1; + if (arm_excp_unmasked(cs, excp_idx, target_el)) { + cs->exception_index = excp_idx; + env->exception.target_el = target_el; + cc->do_interrupt(cs); + ret = true; + } } - if (interrupt_request & CPU_INTERRUPT_VFIQ - && arm_excp_unmasked(cs, EXCP_VFIQ)) { - cs->exception_index = EXCP_VFIQ; - cc->do_interrupt(cs); - ret = true; + if (interrupt_request & CPU_INTERRUPT_VFIQ) { + excp_idx = EXCP_VFIQ; + target_el = 1; + if (arm_excp_unmasked(cs, excp_idx, target_el)) { + cs->exception_index = excp_idx; + env->exception.target_el = target_el; + cc->do_interrupt(cs); + ret = true; + } } return ret; @@ -1197,6 +1218,23 @@ static Property arm_cpu_properties[] = { DEFINE_PROP_END_OF_LIST() }; +#ifdef CONFIG_USER_ONLY +static int arm_cpu_handle_mmu_fault(CPUState *cs, vaddr address, int rw, + int mmu_idx) +{ + ARMCPU *cpu = ARM_CPU(cs); + CPUARMState *env = &cpu->env; + + env->exception.vaddress = address; + if (rw == 2) { + cs->exception_index = EXCP_PREFETCH_ABORT; + } else { + cs->exception_index = EXCP_DATA_ABORT; + } + return 1; +} +#endif + static void arm_cpu_class_init(ObjectClass *oc, void *data) { ARMCPUClass *acc = ARM_CPU_CLASS(oc); |