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Diffstat (limited to 'target/sh4/op_helper.c')
-rw-r--r--target/sh4/op_helper.c26
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)