diff options
Diffstat (limited to 'target-arm/helper-a64.c')
-rw-r--r-- | target-arm/helper-a64.c | 24 |
1 files changed, 13 insertions, 11 deletions
diff --git a/target-arm/helper-a64.c b/target-arm/helper-a64.c index 2e9ef64786..4be0784c3a 100644 --- a/target-arm/helper-a64.c +++ b/target-arm/helper-a64.c @@ -443,10 +443,12 @@ void aarch64_cpu_do_interrupt(CPUState *cs) { ARMCPU *cpu = ARM_CPU(cs); CPUARMState *env = &cpu->env; - target_ulong addr = env->cp15.vbar_el[1]; + unsigned int new_el = arm_excp_target_el(cs, cs->exception_index); + target_ulong addr = env->cp15.vbar_el[new_el]; + unsigned int new_mode = aarch64_pstate_mode(new_el, true); int i; - if (arm_current_pl(env) == 0) { + if (arm_current_pl(env) < new_el) { if (env->aarch64) { addr += 0x400; } else { @@ -464,14 +466,14 @@ void aarch64_cpu_do_interrupt(CPUState *cs) env->exception.syndrome); } - env->cp15.esr_el[1] = env->exception.syndrome; - env->cp15.far_el[1] = env->exception.vaddress; + env->cp15.esr_el[new_el] = env->exception.syndrome; + env->cp15.far_el[new_el] = env->exception.vaddress; switch (cs->exception_index) { case EXCP_PREFETCH_ABORT: case EXCP_DATA_ABORT: qemu_log_mask(CPU_LOG_INT, "...with FAR 0x%" PRIx64 "\n", - env->cp15.far_el[1]); + env->cp15.far_el[new_el]); break; case EXCP_BKPT: case EXCP_UDEF: @@ -488,15 +490,15 @@ void aarch64_cpu_do_interrupt(CPUState *cs) } if (is_a64(env)) { - env->banked_spsr[aarch64_banked_spsr_index(1)] = pstate_read(env); + env->banked_spsr[aarch64_banked_spsr_index(new_el)] = pstate_read(env); aarch64_save_sp(env, arm_current_pl(env)); - env->elr_el[1] = env->pc; + env->elr_el[new_el] = env->pc; } else { env->banked_spsr[0] = cpsr_read(env); if (!env->thumb) { - env->cp15.esr_el[1] |= 1 << 25; + env->cp15.esr_el[new_el] |= 1 << 25; } - env->elr_el[1] = env->regs[15]; + env->elr_el[new_el] = env->regs[15]; for (i = 0; i < 15; i++) { env->xregs[i] = env->regs[i]; @@ -505,9 +507,9 @@ void aarch64_cpu_do_interrupt(CPUState *cs) env->condexec_bits = 0; } - pstate_write(env, PSTATE_DAIF | PSTATE_MODE_EL1h); + pstate_write(env, PSTATE_DAIF | new_mode); env->aarch64 = 1; - aarch64_restore_sp(env, 1); + aarch64_restore_sp(env, new_el); env->pc = addr; cs->interrupt_request |= CPU_INTERRUPT_EXITTB; |