diff options
Diffstat (limited to 'target-arm/helper.c')
| -rw-r--r-- | target-arm/helper.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c index c2b3539da6..c47487a0af 100644 --- a/target-arm/helper.c +++ b/target-arm/helper.c @@ -4091,6 +4091,12 @@ void arm_cpu_do_interrupt(CPUState *cs) mask = CPSR_A | CPSR_I | CPSR_F; offset = 4; break; + case EXCP_SMC: + new_mode = ARM_CPU_MODE_MON; + addr = 0x08; + mask = CPSR_A | CPSR_I | CPSR_F; + offset = 0; + break; default: cpu_abort(cs, "Unhandled exception 0x%x\n", cs->exception_index); return; /* Never happens. Keep compiler happy. */ @@ -4109,6 +4115,11 @@ void arm_cpu_do_interrupt(CPUState *cs) */ addr += env->cp15.vbar_el[1]; } + + if ((env->uncached_cpsr & CPSR_M) == ARM_CPU_MODE_MON) { + env->cp15.scr_el3 &= ~SCR_NS; + } + switch_mode (env, new_mode); /* For exceptions taken to AArch32 we must clear the SS bit in both * PSTATE and in the old-state value we save to SPSR_<mode>, so zero it now. |