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authorAndreas Färber <afaerber@suse.de>2013-05-27 05:17:50 +0200
committerAndreas Färber <afaerber@suse.de>2013-07-09 21:20:28 +0200
commit4917cf44326a1bda2fd7f27303aff7a25ad86518 (patch)
treed9c153504b0806990d0c5646c886e16150835d1a /cpus.c
parent80b7cd735417b0883a026d79a513629a2817cdb4 (diff)
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cpu: Replace cpu_single_env with CPUState current_cpu
Move it to qom/cpu.h. Signed-off-by: Andreas Färber <afaerber@suse.de>
Diffstat (limited to 'cpus.c')
-rw-r--r--cpus.c41
1 files changed, 20 insertions, 21 deletions
diff --git a/cpus.c b/cpus.c
index 20958e5..e9bfa71 100644
--- a/cpus.c
+++ b/cpus.c
@@ -118,10 +118,11 @@ TimersState timers_state;
int64_t cpu_get_icount(void)
{
int64_t icount;
- CPUArchState *env = cpu_single_env;
+ CPUState *cpu = current_cpu;
icount = qemu_icount;
- if (env) {
+ if (cpu) {
+ CPUArchState *env = cpu->env_ptr;
if (!can_do_io(env)) {
fprintf(stderr, "Bad clock read\n");
}
@@ -468,8 +469,8 @@ static void cpu_handle_guest_debug(CPUState *cpu)
static void cpu_signal(int sig)
{
- if (cpu_single_env) {
- cpu_exit(ENV_GET_CPU(cpu_single_env));
+ if (current_cpu) {
+ cpu_exit(current_cpu);
}
exit_request = 1;
}
@@ -660,10 +661,10 @@ void run_on_cpu(CPUState *cpu, void (*func)(void *data), void *data)
qemu_cpu_kick(cpu);
while (!wi.done) {
- CPUArchState *self_env = cpu_single_env;
+ CPUState *self_cpu = current_cpu;
qemu_cond_wait(&qemu_work_cond, &qemu_global_mutex);
- cpu_single_env = self_env;
+ current_cpu = self_cpu;
}
}
@@ -733,7 +734,7 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
qemu_mutex_lock(&qemu_global_mutex);
qemu_thread_get_self(cpu->thread);
cpu->thread_id = qemu_get_thread_id();
- cpu_single_env = cpu->env_ptr;
+ current_cpu = cpu;
r = kvm_init_vcpu(cpu);
if (r < 0) {
@@ -781,9 +782,9 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
cpu->created = true;
qemu_cond_signal(&qemu_cpu_cond);
- cpu_single_env = cpu->env_ptr;
+ current_cpu = cpu;
while (1) {
- cpu_single_env = NULL;
+ current_cpu = NULL;
qemu_mutex_unlock_iothread();
do {
int sig;
@@ -794,7 +795,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
exit(1);
}
qemu_mutex_lock_iothread();
- cpu_single_env = cpu->env_ptr;
+ current_cpu = cpu;
qemu_wait_io_event_common(cpu);
}
@@ -894,12 +895,11 @@ void qemu_cpu_kick(CPUState *cpu)
void qemu_cpu_kick_self(void)
{
#ifndef _WIN32
- assert(cpu_single_env);
- CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
+ assert(current_cpu);
- if (!cpu_single_cpu->thread_kicked) {
- qemu_cpu_kick_thread(cpu_single_cpu);
- cpu_single_cpu->thread_kicked = true;
+ if (!current_cpu->thread_kicked) {
+ qemu_cpu_kick_thread(current_cpu);
+ current_cpu->thread_kicked = true;
}
#else
abort();
@@ -913,7 +913,7 @@ bool qemu_cpu_is_self(CPUState *cpu)
static bool qemu_in_vcpu_thread(void)
{
- return cpu_single_env && qemu_cpu_is_self(ENV_GET_CPU(cpu_single_env));
+ return current_cpu && qemu_cpu_is_self(current_cpu);
}
void qemu_mutex_lock_iothread(void)
@@ -1069,11 +1069,10 @@ void qemu_init_vcpu(CPUState *cpu)
void cpu_stop_current(void)
{
- if (cpu_single_env) {
- CPUState *cpu_single_cpu = ENV_GET_CPU(cpu_single_env);
- cpu_single_cpu->stop = false;
- cpu_single_cpu->stopped = true;
- cpu_exit(cpu_single_cpu);
+ if (current_cpu) {
+ current_cpu->stop = false;
+ current_cpu->stopped = true;
+ cpu_exit(current_cpu);
qemu_cond_signal(&qemu_pause_cond);
}
}