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authorLaurent Vivier <laurent@vivier.eu>2015-08-09 01:44:24 +0200
committerLaurent Vivier <laurent@vivier.eu>2016-10-25 20:54:47 +0200
commit20a8856eba0980fbe9d2b8ed2b33ecdb9c9fe5ad (patch)
tree50c9473cd54efef8ae9e91bbdf424fc759c11a4d
parentf9083519034aaa5ad5cd2c5727bd61c29bf60bc5 (diff)
downloadqemu-arm-20a8856eba0980fbe9d2b8ed2b33ecdb9c9fe5ad.tar.gz
target-m68k: remove m68k_cpu_exec_enter() and m68k_cpu_exec_exit()
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>
-rw-r--r--cpu-exec.c6
-rw-r--r--target-m68k/cpu.c2
-rw-r--r--target-m68k/cpu.h4
-rw-r--r--target-m68k/helper.c20
-rw-r--r--target-m68k/translate.c6
5 files changed, 6 insertions, 32 deletions
diff --git a/cpu-exec.c b/cpu-exec.c
index e114fcdf29..e1bc368c7f 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -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
diff --git a/target-m68k/cpu.c b/target-m68k/cpu.c
index f925e265b0..ef02d9f60e 100644
--- a/target-m68k/cpu.c
+++ b/target-m68k/cpu.c
@@ -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;
diff --git a/target-m68k/cpu.h b/target-m68k/cpu.h
index 18b69307a5..f055ef68bf 100644
--- a/target-m68k/cpu.h
+++ b/target-m68k/cpu.h
@@ -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);
diff --git a/target-m68k/helper.c b/target-m68k/helper.c
index dc55a7a430..92d1deda3c 100644
--- a/target-m68k/helper.c
+++ b/target-m68k/helper.c
@@ -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);
-}
diff --git a/target-m68k/translate.c b/target-m68k/translate.c
index 650c141018..681f3a8941 100644
--- a/target-m68k/translate.c
+++ b/target-m68k/translate.c
@@ -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;
+ }
}