developer/xiuos
1
0
Fork 0
forked from xuos/xiuos
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Support smp. TODO: delete all inner kernel locks.

Browse Source
This commit is contained in:
TXuian
2024-03-15 16:01:30 +08:00
parent 892613a0d5
commit d987bf0357
34 changed files with 531 additions and 150 deletions
Download Patch File Download Diff File Expand all files Collapse all files
Ubiquitous/XiZi_AIoT/softkernel/task/task.c
+6 -11
View File
@@ -181,34 +181,29 @@ static void _scheduler(struct SchedulerRightGroup right_group)
spinlock_lock(&whole_kernel_lock);
while (1) {
spinlock_unlock(&whole_kernel_lock);
spinlock_lock(&xizi_task_manager.lock);
next_task = NULL;
/* find next runnable task */
assert(cur_cpu()->task == NULL);
if (next_task_emergency != NULL) {
next_task = next_task_emergency;
spinlock_lock(&next_task->lock);
next_task->state = RUNNING;
spinlock_unlock(&next_task->lock);
next_task_emergency = NULL;
} else {
next_task = xizi_task_manager.next_runnable_task();
}
spinlock_unlock(&xizi_task_manager.lock);
spinlock_unlock(&whole_kernel_lock);
/* not a runnable task */
if (UNLIKELY(next_task == NULL)) {
if (UNLIKELY(next_task == NULL) || UNLIKELY(next_task->state != RUNNING)) {
spinlock_lock(&whole_kernel_lock);
continue;
}
/* a runnable task */
spinlock_lock(&whole_kernel_lock);
assert(next_task->state == RUNNING);
// p_mmu_driver->LoadPgdirCrit((uintptr_t)V2P(next_task->pgdir.pd_addr), &right_group.intr_driver_tag);
p_mmu_driver->LoadPgdir((uintptr_t)V2P(next_task->pgdir.pd_addr));
struct CPU* cpu = cur_cpu();
cpu->task = next_task;
// DEBUG_PRINTF("CPU %d switch to task %s\n", cur_cpuid(), next_task->name);
p_mmu_driver->LoadPgdir((uintptr_t)V2P(next_task->pgdir.pd_addr));
context_switch(&cpu->scheduler, next_task->main_thread.context);
}
}