cpus: Change qemu_dummy_start_vcpu() argument to CPUState

Pass it to qemu_dummy_cpu_thread_fn().
Use CPUState::env_ptr for cpu_single_env.

Prepares for changing qemu_init_vcpu() argument to CPUState.

Reviewed-by: Richard Henderson <rth@twiddle.net>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Andreas Färber 2013-05-27 02:24:35 +02:00
parent 48a106bd14
commit 10a9021dfd

15
cpus.c
View File

@ -766,8 +766,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
fprintf(stderr, "qtest is not supported under Windows\n"); fprintf(stderr, "qtest is not supported under Windows\n");
exit(1); exit(1);
#else #else
CPUArchState *env = arg; CPUState *cpu = arg;
CPUState *cpu = ENV_GET_CPU(env);
sigset_t waitset; sigset_t waitset;
int r; int r;
@ -782,7 +781,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
cpu->created = true; cpu->created = true;
qemu_cond_signal(&qemu_cpu_cond); qemu_cond_signal(&qemu_cpu_cond);
cpu_single_env = env; cpu_single_env = cpu->env_ptr;
while (1) { while (1) {
cpu_single_env = NULL; cpu_single_env = NULL;
qemu_mutex_unlock_iothread(); qemu_mutex_unlock_iothread();
@ -795,7 +794,7 @@ static void *qemu_dummy_cpu_thread_fn(void *arg)
exit(1); exit(1);
} }
qemu_mutex_lock_iothread(); qemu_mutex_lock_iothread();
cpu_single_env = env; cpu_single_env = cpu->env_ptr;
qemu_wait_io_event_common(cpu); qemu_wait_io_event_common(cpu);
} }
@ -1042,14 +1041,12 @@ static void qemu_kvm_start_vcpu(CPUState *cpu)
} }
} }
static void qemu_dummy_start_vcpu(CPUArchState *env) static void qemu_dummy_start_vcpu(CPUState *cpu)
{ {
CPUState *cpu = ENV_GET_CPU(env);
cpu->thread = g_malloc0(sizeof(QemuThread)); cpu->thread = g_malloc0(sizeof(QemuThread));
cpu->halt_cond = g_malloc0(sizeof(QemuCond)); cpu->halt_cond = g_malloc0(sizeof(QemuCond));
qemu_cond_init(cpu->halt_cond); qemu_cond_init(cpu->halt_cond);
qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, env, qemu_thread_create(cpu->thread, qemu_dummy_cpu_thread_fn, cpu,
QEMU_THREAD_JOINABLE); QEMU_THREAD_JOINABLE);
while (!cpu->created) { while (!cpu->created) {
qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex); qemu_cond_wait(&qemu_cpu_cond, &qemu_global_mutex);
@ -1069,7 +1066,7 @@ void qemu_init_vcpu(void *_env)
} else if (tcg_enabled()) { } else if (tcg_enabled()) {
qemu_tcg_init_vcpu(cpu); qemu_tcg_init_vcpu(cpu);
} else { } else {
qemu_dummy_start_vcpu(env); qemu_dummy_start_vcpu(cpu);
} }
} }