diff options
| -rw-r--r-- | target/m68k/op_helper.c | 33 |
1 files changed, 18 insertions, 15 deletions
diff --git a/target/m68k/op_helper.c b/target/m68k/op_helper.c index 3a7f7f2..8d09ed9 100644 --- a/target/m68k/op_helper.c +++ b/target/m68k/op_helper.c @@ -287,22 +287,25 @@ static inline void do_stack_frame(CPUM68KState *env, uint32_t *sp, uint16_t format, uint16_t sr, uint32_t addr, uint32_t retaddr) { - CPUState *cs = CPU(m68k_env_get_cpu(env)); - switch (format) { - case 4: - *sp -= 4; - cpu_stl_kernel(env, *sp, env->pc); - *sp -= 4; - cpu_stl_kernel(env, *sp, addr); - break; - case 3: - case 2: - *sp -= 4; - cpu_stl_kernel(env, *sp, addr); - break; + if (m68k_feature(env, M68K_FEATURE_QUAD_MULDIV)) { + /* all except 68000 */ + CPUState *cs = CPU(m68k_env_get_cpu(env)); + switch (format) { + case 4: + *sp -= 4; + cpu_stl_kernel(env, *sp, env->pc); + *sp -= 4; + cpu_stl_kernel(env, *sp, addr); + break; + case 3: + case 2: + *sp -= 4; + cpu_stl_kernel(env, *sp, addr); + break; + } + *sp -= 2; + cpu_stw_kernel(env, *sp, (format << 12) + (cs->exception_index << 2)); } - *sp -= 2; - cpu_stw_kernel(env, *sp, (format << 12) + (cs->exception_index << 2)); *sp -= 4; cpu_stl_kernel(env, *sp, retaddr); *sp -= 2; |