diff options
Diffstat (limited to 'target/sh4/op_helper.c')
-rw-r--r-- | target/sh4/op_helper.c | 26 |
1 files changed, 18 insertions, 8 deletions
diff --git a/target/sh4/op_helper.c b/target/sh4/op_helper.c index 684d3f3758..528a40ac1d 100644 --- a/target/sh4/op_helper.c +++ b/target/sh4/op_helper.c @@ -24,6 +24,22 @@ #ifndef CONFIG_USER_ONLY +void superh_cpu_do_unaligned_access(CPUState *cs, vaddr addr, + MMUAccessType access_type, + int mmu_idx, uintptr_t retaddr) +{ + switch (access_type) { + case MMU_INST_FETCH: + case MMU_DATA_LOAD: + cs->exception_index = 0x0e0; + break; + case MMU_DATA_STORE: + cs->exception_index = 0x100; + break; + } + cpu_loop_exit_restore(cs, retaddr); +} + void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type, int mmu_idx, uintptr_t retaddr) { @@ -32,10 +48,7 @@ void tlb_fill(CPUState *cs, target_ulong addr, MMUAccessType access_type, ret = superh_cpu_handle_mmu_fault(cs, addr, access_type, mmu_idx); if (ret) { /* now we have a real cpu fault */ - if (retaddr) { - cpu_restore_state(cs, retaddr); - } - cpu_loop_exit(cs); + cpu_loop_exit_restore(cs, retaddr); } } @@ -59,10 +72,7 @@ static inline void QEMU_NORETURN raise_exception(CPUSH4State *env, int index, CPUState *cs = CPU(sh_env_get_cpu(env)); cs->exception_index = index; - if (retaddr) { - cpu_restore_state(cs, retaddr); - } - cpu_loop_exit(cs); + cpu_loop_exit_restore(cs, retaddr); } void helper_raise_illegal_instruction(CPUSH4State *env) |