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target-m68k: remove m68k_cpu_exec_enter() and m68k_cpu_exec_exit()

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Update cc_op directly from tcg_gen_insn_start() and
restore_state_to_opc()

Copied from target-i386

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
This commit is contained in:
Laurent Vivier 2015-08-09 01:44:24 +02:00
parent f908351903
commit 20a8856eba
5 changed files with 6 additions and 32 deletions
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6
cpu-exec.c
View File

@ -151,12 +151,6 @@ static inline tcg_target_ulong cpu_tb_exec(CPUState *cpu, TranslationBlock *itb)
&& qemu_log_in_addr_range(itb->pc)) {
#if defined(TARGET_I386)
log_cpu_state(cpu, CPU_DUMP_CCOP);
#elif defined(TARGET_M68K)
/* ??? Should not modify env state for dumping. */
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);
log_cpu_state(cpu, 0);
#else
log_cpu_state(cpu, 0);
#endif

2
target-m68k/cpu.c
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@ -281,8 +281,6 @@ 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;
cc->disas_set_info = m68k_cpu_disas_set_info;
cc->gdb_num_core_regs = 18;

4
target-m68k/cpu.h
View File

@ -61,6 +61,7 @@
#define EXCP_HALT_INSN 0x101
#define NB_MMU_MODES 2
#define TARGET_INSN_START_EXTRA_WORDS 1
typedef struct CPUM68KState {
uint32_t dregs[8];
@ -149,9 +150,6 @@ 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);
void m68k_tcg_init(void);
void m68k_cpu_init_gdb(M68kCPU *cpu);
M68kCPU *cpu_m68k_init(const char *cpu_model);

20
target-m68k/helper.c
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@ -922,23 +922,3 @@ 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);
}

6
target-m68k/translate.c
View File

@ -3025,7 +3025,7 @@ void gen_intermediate_code(CPUM68KState *env, TranslationBlock *tb)
do {
pc_offset = dc->pc - pc_start;
gen_throws_exception = NULL;
tcg_gen_insn_start(dc->pc);
tcg_gen_insn_start(dc->pc, dc->cc_op);
num_insns++;
if (unlikely(cpu_breakpoint_test(cs, dc->pc, BP_ANY))) {
@ -3119,5 +3119,9 @@ void m68k_cpu_dump_state(CPUState *cs, FILE *f, fprintf_function cpu_fprintf,
void restore_state_to_opc(CPUM68KState *env, TranslationBlock *tb,
target_ulong *data)
{
int cc_op = data[1];
env->pc = data[0];
if (cc_op != CC_OP_DYNAMIC) {
env->cc_op = cc_op;
}
}