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-rw-r--r--target-arm/helper.c12
1 files changed, 10 insertions, 2 deletions
diff --git a/target-arm/helper.c b/target-arm/helper.c
index 8186500..b562767 100644
--- a/target-arm/helper.c
+++ b/target-arm/helper.c
@@ -1849,12 +1849,20 @@ bad_reg:
void HELPER(set_r13_banked)(CPUState *env, uint32_t mode, uint32_t val)
{
- env->banked_r13[bank_number(mode)] = val;
+ if ((env->uncached_cpsr & CPSR_M) == mode) {
+ env->regs[13] = val;
+ } else {
+ env->banked_r13[bank_number(mode)] = val;
+ }
}
uint32_t HELPER(get_r13_banked)(CPUState *env, uint32_t mode)
{
- return env->banked_r13[bank_number(mode)];
+ if ((env->uncached_cpsr & CPSR_M) == mode) {
+ return env->regs[13];
+ } else {
+ return env->banked_r13[bank_number(mode)];
+ }
}
uint32_t HELPER(v7m_mrs)(CPUState *env, uint32_t reg)