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authorClaudio Fontana <cfontana@suse.de>2020-07-07 10:21:10 +0200
committerPaolo Bonzini <pbonzini@redhat.com>2020-10-05 16:41:22 +0200
commit1583a389885346208217e8170395624b3aa90480 (patch)
tree693c50df1924e5b911781d3387856e084db8746a /softmmu
parenta77dabc33bcc36ec348854f23e89e0de22ca045b (diff)
cpus: extract out qtest-specific code to accel/qtest
register a "CpusAccel" interface for qtest as well. Signed-off-by: Claudio Fontana <cfontana@suse.de> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
Diffstat (limited to 'softmmu')
-rw-r--r--softmmu/cpus.c64
1 files changed, 1 insertions, 63 deletions
diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index 25f12e3ee9..b14b22161f 100644
--- a/softmmu/cpus.c
+++ b/softmmu/cpus.c
@@ -40,7 +40,6 @@
#include "qemu/thread.h"
#include "qemu/plugin.h"
#include "sysemu/cpus.h"
-#include "sysemu/qtest.h"
#include "qemu/main-loop.h"
#include "qemu/option.h"
#include "qemu/bitmap.h"
@@ -247,9 +246,6 @@ int64_t cpus_get_virtual_clock(void)
if (cpus_accel && cpus_accel->get_virtual_clock) {
return cpus_accel->get_virtual_clock();
}
- if (qtest_enabled()) { /* for qtest_clock_warp */
- return qtest_get_virtual_clock();
- }
return cpu_get_clock();
}
@@ -482,51 +478,6 @@ static void *qemu_kvm_cpu_thread_fn(void *arg)
return NULL;
}
-static void *qemu_dummy_cpu_thread_fn(void *arg)
-{
-#ifdef _WIN32
- error_report("qtest is not supported under Windows");
- exit(1);
-#else
- CPUState *cpu = arg;
- sigset_t waitset;
- int r;
-
- rcu_register_thread();
-
- qemu_mutex_lock_iothread();
- qemu_thread_get_self(cpu->thread);
- cpu->thread_id = qemu_get_thread_id();
- cpu->can_do_io = 1;
- current_cpu = cpu;
-
- sigemptyset(&waitset);
- sigaddset(&waitset, SIG_IPI);
-
- /* signal CPU creation */
- cpu_thread_signal_created(cpu);
- qemu_guest_random_seed_thread_part2(cpu->random_seed);
-
- do {
- qemu_mutex_unlock_iothread();
- do {
- int sig;
- r = sigwait(&waitset, &sig);
- } while (r == -1 && (errno == EAGAIN || errno == EINTR));
- if (r == -1) {
- perror("sigwait");
- exit(1);
- }
- qemu_mutex_lock_iothread();
- qemu_wait_io_event(cpu);
- } while (!cpu->unplug);
-
- qemu_mutex_unlock_iothread();
- rcu_unregister_thread();
- return NULL;
-#endif
-}
-
static void *qemu_hax_cpu_thread_fn(void *arg)
{
CPUState *cpu = arg;
@@ -904,19 +855,6 @@ void cpus_register_accel(const CpusAccel *ca)
cpus_accel = ca;
}
-static void qemu_dummy_start_vcpu(CPUState *cpu)
-{
- char thread_name[VCPU_THREAD_NAME_SIZE];
-
- cpu->thread = g_malloc0(sizeof(QemuThread));
- cpu->halt_cond = g_malloc0(sizeof(QemuCond));
- qemu_cond_init(cpu->halt_cond);
- snprintf(thread_name, VCPU_THREAD_NAME_SIZE, "CPU %d/DUMMY",
- cpu->cpu_index);
- qemu_thread_create(cpu->thread, thread_name, qemu_dummy_cpu_thread_fn, cpu,
- QEMU_THREAD_JOINABLE);
-}
-
void qemu_init_vcpu(CPUState *cpu)
{
MachineState *ms = MACHINE(qdev_get_machine());
@@ -946,7 +884,7 @@ void qemu_init_vcpu(CPUState *cpu)
} else if (whpx_enabled()) {
qemu_whpx_start_vcpu(cpu);
} else {
- qemu_dummy_start_vcpu(cpu);
+ g_assert_not_reached();
}
while (!cpu->created) {