On 6/20/25 10:27, Philippe Mathieu-Daudé wrote:
Signed-off-by: Philippe Mathieu-Daudé <phi...@linaro.org>
---
accel/split/split-accel-ops.c | 70 ++++++++++++++++++++++++++++++++++-
1 file changed, 69 insertions(+), 1 deletion(-)
Reviewed-by: Richard Henderson <richard.hender...@linaro.org>
r~
diff --git a/accel/split/split-accel-ops.c b/accel/split/split-accel-ops.c
index e5c1d51d426..294ea79420e 100644
--- a/accel/split/split-accel-ops.c
+++ b/accel/split/split-accel-ops.c
@@ -7,11 +7,79 @@
*/
#include "qemu/osdep.h"
+#include "qemu/main-loop.h"
+#include "qemu/guest-random.h"
+#include "exec/cpu-common.h"
#include "system/accel-ops.h"
+#include "system/cpus.h"
static void *split_cpu_thread_routine(void *arg)
{
- g_assert_not_reached();
+ CPUState *cpu = arg;
+ int r;
+
+ /* TODO: check accel allowed */
+
+ rcu_register_thread();
+
+ bql_lock();
+ qemu_thread_get_self(cpu->thread);
+
+ cpu->thread_id = qemu_get_thread_id();
+ current_cpu = cpu;
+
+ /* TODO: init_vcpu_thread() */
+ /* TODO: allocate AccelCPUState */
+
+ /* signal CPU creation */
+ cpu_thread_signal_created(cpu);
+ qemu_guest_random_seed_thread_part2(cpu->random_seed);
+
+ /* process any pending work */
+ cpu->exit_request = 1;
+
+ do {
+ r = 0;
+
+ if (cpu_can_run(cpu)) {
+ r = 0; /* TODO: exec_vcpu_thread() */
+ switch (r) {
+ case 0:
+ break;
+ case EXCP_INTERRUPT:
+ break;
+ case EXCP_YIELD:
+ break;
+ case EXCP_DEBUG:
+ cpu_handle_guest_debug(cpu);
+ break;
+ case EXCP_HALTED:
+ /*
+ * Usually cpu->halted is set, but may have already been
+ * reset by another thread by the time we arrive here.
+ */
+ break;
+ case EXCP_ATOMIC:
+ bql_unlock();
+ cpu_exec_step_atomic(cpu);
+ bql_lock();
+ break;
+ default:
+ /* Ignore everything else? */
+ break;
+ }
+ }
+ qemu_wait_io_event(cpu);
+ } while (!cpu->unplug || cpu_can_run(cpu));
+
+ /* TODO: destroy_vcpu_thread() */
+
+ cpu_thread_signal_destroyed(cpu);
+ bql_unlock();
+
+ rcu_unregister_thread();
+
+ return NULL;
}
static void split_ops_init(AccelClass *ac)
