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>

1 files changed, 1 insertions, 63 deletions

diff --git a/softmmu/cpus.c b/softmmu/cpus.c
index 25f12e3..b14b221 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) {