diff options
Diffstat (limited to 'target-arm/op_helper.c')
| -rw-r--r-- | target-arm/op_helper.c | 27 |
1 files changed, 25 insertions, 2 deletions
diff --git a/target-arm/op_helper.c b/target-arm/op_helper.c index 906b39f..c9f5821 100644 --- a/target-arm/op_helper.c +++ b/target-arm/op_helper.c @@ -80,16 +80,39 @@ void tlb_fill(CPUState *cs, target_ulong addr, int is_write, int mmu_idx, { int ret; - ret = arm_cpu_handle_mmu_fault(cs, addr, is_write, mmu_idx); + ret = arm_tlb_fill(cs, addr, is_write, mmu_idx); if (unlikely(ret)) { ARMCPU *cpu = ARM_CPU(cs); CPUARMState *env = &cpu->env; + uint32_t syn, exc; + bool same_el = (arm_current_el(env) != 0); if (retaddr) { /* now we have a real cpu fault */ cpu_restore_state(cs, retaddr); } - raise_exception(env, cs->exception_index); + + /* AArch64 syndrome does not have an LPAE bit */ + syn = ret & ~(1 << 9); + + /* For insn and data aborts we assume there is no instruction syndrome + * information; this is always true for exceptions reported to EL1. + */ + if (is_write == 2) { + syn = syn_insn_abort(same_el, 0, 0, syn); + exc = EXCP_PREFETCH_ABORT; + } else { + syn = syn_data_abort(same_el, 0, 0, 0, is_write == 1, syn); + if (is_write == 1 && arm_feature(env, ARM_FEATURE_V6)) { + ret |= (1 << 11); + } + exc = EXCP_DATA_ABORT; + } + + env->exception.syndrome = syn; + env->exception.vaddress = addr; + env->exception.fsr = ret; + raise_exception(env, exc); } } #endif |