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-rw-r--r--target-m68k/cpu-qom.h3
-rw-r--r--target-m68k/cpu.c3
-rw-r--r--target-m68k/helper.c20
3 files changed, 26 insertions, 0 deletions
diff --git a/target-m68k/cpu-qom.h b/target-m68k/cpu-qom.h
index 7f388eda68..41b14ae44a 100644
--- a/target-m68k/cpu-qom.h
+++ b/target-m68k/cpu-qom.h
@@ -77,4 +77,7 @@ hwaddr m68k_cpu_get_phys_page_debug(CPUState *cpu, vaddr addr);
int m68k_cpu_gdb_read_register(CPUState *cpu, uint8_t *buf, int reg);
int m68k_cpu_gdb_write_register(CPUState *cpu, uint8_t *buf, int reg);
+void m68k_cpu_exec_enter(CPUState *cs);
+void m68k_cpu_exec_exit(CPUState *cs);
+
#endif
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index c9cff19efc..5a58d51a85 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -205,6 +205,9 @@ static void m68k_cpu_class_init(ObjectClass *c, void *data)
#else
cc->get_phys_page_debug = m68k_cpu_get_phys_page_debug;
#endif
+ cc->cpu_exec_enter = m68k_cpu_exec_enter;
+ cc->cpu_exec_exit = m68k_cpu_exec_exit;
+
dc->vmsd = &vmstate_m68k_cpu;
cc->gdb_num_core_regs = 18;
cc->gdb_core_xml_file = "cf-core.xml";
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index 8be9745697..77225a2005 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -864,3 +864,23 @@ void HELPER(set_mac_extu)(CPUM68KState *env, uint32_t val, uint32_t acc)
res |= (uint64_t)(val & 0xffff0000) << 16;
env->macc[acc + 1] = res;
}
+
+void m68k_cpu_exec_enter(CPUState *cs)
+{
+ M68kCPU *cpu = M68K_CPU(cs);
+ CPUM68KState *env = &cpu->env;
+
+ env->cc_op = CC_OP_FLAGS;
+ env->cc_dest = env->sr & 0xf;
+ env->cc_x = (env->sr >> 4) & 1;
+}
+
+void m68k_cpu_exec_exit(CPUState *cs)
+{
+ M68kCPU *cpu = M68K_CPU(cs);
+ CPUM68KState *env = &cpu->env;
+
+ cpu_m68k_flush_flags(env, env->cc_op);
+ env->cc_op = CC_OP_FLAGS;
+ env->sr = (env->sr & 0xffe0) | env->cc_dest | (env->cc_x << 4);
+}