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-rw-r--r--cpu-exec.c9
-rw-r--r--include/qom/cpu.h5
-rw-r--r--qom/cpu.c6
3 files changed, 11 insertions, 9 deletions
diff --git a/cpu-exec.c b/cpu-exec.c
index bd93165209..d5b86d092f 100644
--- a/cpu-exec.c
+++ b/cpu-exec.c
@@ -317,10 +317,7 @@ volatile sig_atomic_t exit_request;
int cpu_exec(CPUArchState *env)
{
CPUState *cpu = ENV_GET_CPU(env);
-#if !(defined(CONFIG_USER_ONLY) && \
- (defined(TARGET_M68K) || defined(TARGET_PPC) || defined(TARGET_S390X)))
CPUClass *cc = CPU_GET_CLASS(cpu);
-#endif
#ifdef TARGET_I386
X86CPU *x86_cpu = X86_CPU(cpu);
#endif
@@ -382,9 +379,8 @@ int cpu_exec(CPUArchState *env)
#elif defined(TARGET_XTENSA)
#elif defined(TARGET_TRICORE)
/* XXXXX */
-#else
-#error unsupported target CPU
#endif
+ cc->cpu_exec_enter(cpu);
cpu->exception_index = -1;
/* Calculate difference between guest clock and host clock.
@@ -856,9 +852,8 @@ int cpu_exec(CPUArchState *env)
#elif defined(TARGET_S390X)
#elif defined(TARGET_XTENSA)
/* XXXXX */
-#else
-#error unsupported target CPU
#endif
+ cc->cpu_exec_exit(cpu);
/* fail safe : never use current_cpu outside cpu_exec() */
current_cpu = NULL;
diff --git a/include/qom/cpu.h b/include/qom/cpu.h
index 370b3ebee9..0340cf4241 100644
--- a/include/qom/cpu.h
+++ b/include/qom/cpu.h
@@ -99,6 +99,8 @@ struct TranslationBlock;
* @vmsd: State description for migration.
* @gdb_num_core_regs: Number of core registers accessible to GDB.
* @gdb_core_xml_file: File name for core registers GDB XML description.
+ * @cpu_exec_enter: Callback for cpu_exec preparation.
+ * @cpu_exec_exit: Callback for cpu_exec cleanup.
*
* Represents a CPU family or model.
*/
@@ -149,6 +151,9 @@ typedef struct CPUClass {
const struct VMStateDescription *vmsd;
int gdb_num_core_regs;
const char *gdb_core_xml_file;
+
+ void (*cpu_exec_enter)(CPUState *cpu);
+ void (*cpu_exec_exit)(CPUState *cpu);
} CPUClass;
#ifdef HOST_WORDS_BIGENDIAN
diff --git a/qom/cpu.c b/qom/cpu.c
index ba8b402617..6a9d02ec63 100644
--- a/qom/cpu.c
+++ b/qom/cpu.c
@@ -202,7 +202,7 @@ static bool cpu_common_virtio_is_big_endian(CPUState *cpu)
return target_words_bigendian();
}
-static void cpu_common_debug_excp_handler(CPUState *cpu)
+static void cpu_common_noop(CPUState *cpu)
{
}
@@ -344,7 +344,9 @@ static void cpu_class_init(ObjectClass *klass, void *data)
k->gdb_read_register = cpu_common_gdb_read_register;
k->gdb_write_register = cpu_common_gdb_write_register;
k->virtio_is_big_endian = cpu_common_virtio_is_big_endian;
- k->debug_excp_handler = cpu_common_debug_excp_handler;
+ k->debug_excp_handler = cpu_common_noop;
+ k->cpu_exec_enter = cpu_common_noop;
+ k->cpu_exec_exit = cpu_common_noop;
dc->realize = cpu_common_realizefn;
/*
* Reason: CPUs still need special care by board code: wiring up