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Support whole kernel lock. TODO: fix spawn.

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This commit is contained in:
TXuian
2024-03-14 14:28:11 +08:00
parent 01f4d45e0c
commit 3dc6d58bdb
11 changed files with 43 additions and 28 deletions
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13
Ubiquitous/XiZi_AIoT/softkernel/task/task.c
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@@ -112,6 +112,13 @@ static void _dealloc_task_cb(struct TaskMicroDescriptor* task)
}
/* alloc a new task with init */
extern void trap_return(void);
void task_prepare_enter()
{
spinlock_unlock(&whole_kernel_lock);
trap_return();
}
static struct TaskMicroDescriptor* _new_task_cb()
{
// alloc task space
@@ -170,10 +177,11 @@ extern void context_switch(struct context**, struct context*);
static void _scheduler(struct SchedulerRightGroup right_group)
{
struct MmuCommonDone* p_mmu_driver = AchieveResource(&right_group.mmu_driver_tag);
struct TaskMicroDescriptor* next_task;
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 */
@@ -192,12 +200,15 @@ static void _scheduler(struct SchedulerRightGroup right_group)
if (UNLIKELY(next_task == NULL)) {
continue;
}
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);
context_switch(&cpu->scheduler, next_task->main_thread.context);
}
}