diff options
Diffstat (limited to 'target-m68k')
-rw-r--r-- | target-m68k/cpu-qom.h | 3 | ||||
-rw-r--r-- | target-m68k/cpu.c | 3 | ||||
-rw-r--r-- | target-m68k/helper.c | 20 |
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); +} |