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Support O2 optimization

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This commit is contained in:
TXuian
2024-04-29 18:27:28 +08:00
parent 88ded7ca16
commit 077dcd66ac
18 changed files with 77 additions and 97 deletions
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27
Ubiquitous/XiZi_AIoT/softkernel/task/task.c
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@@ -167,7 +167,7 @@ static void _dealloc_task_cb(struct TaskMicroDescriptor* task)
/* alloc a new task with init */
extern void trap_return(void);
void task_prepare_enter()
__attribute__((optimize("O0"))) void task_prepare_enter()
{
xizi_leave_kernel();
trap_return();
@@ -227,6 +227,7 @@ static void _scheduler(struct SchedulerRightGroup right_group)
{
struct MmuCommonDone* p_mmu_driver = AchieveResource(&right_group.mmu_driver_tag);
struct TaskMicroDescriptor* next_task;
struct CPU* cpu = cur_cpu();
while (1) {
next_task = NULL;
@@ -238,29 +239,21 @@ static void _scheduler(struct SchedulerRightGroup right_group)
next_task = xizi_task_manager.next_runnable_task();
}
next_task_emergency = NULL;
if (next_task != NULL) {
assert(next_task->state == READY);
}
spinlock_unlock(&whole_kernel_lock);
/* not a runnable task */
if (UNLIKELY(next_task == NULL)) {
spinlock_lock(&whole_kernel_lock);
/* if there's not a runnable task, wait for one */
if (next_task == NULL) {
xizi_leave_kernel();
/* leave kernel for other cores, so they may create a runnable task */
xizi_enter_kernel();
continue;
}
/* a runnable task */
spinlock_lock(&whole_kernel_lock);
if (next_task->state == READY) {
next_task->state = RUNNING;
} else {
continue;
}
struct CPU* cpu = cur_cpu();
/* run the chosen task */
assert(next_task->state == READY);
next_task->state = RUNNING;
cpu->task = next_task;
p_mmu_driver->LoadPgdir((uintptr_t)V2P(next_task->pgdir.pd_addr));
context_switch(&cpu->scheduler, next_task->main_thread.context);
assert(cur_cpu()->task == NULL);
assert(next_task->state != RUNNING);
}
}