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🔧 更新了键盘驱动程序，使其适配vfs

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This commit is contained in:
fslongjin
2022-05-20 22:53:47 +08:00
parent 464837eb1a
commit 832c0c7e5c
13 changed files with 295 additions and 52 deletions
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65
kernel/process/wait_queue.c Normal file
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#include "wait_queue.h"
#include <sched/sched.h>
#include <process/process.h>
/**
* @brief 初始化等待队列
*
* @param wait_queue 等待队列
* @param pcb pcb
*/
void wait_queue_init(wait_queue_node_t *wait_queue, struct process_control_block *pcb)
{
list_init(&wait_queue->wait_list);
wait_queue->pcb = pcb;
}
/**
* @brief 在等待队列上进行等待
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_on(wait_queue_node_t *wait_queue_head)
{
wait_queue_node_t wait;
wait_queue_init(&wait, current_pcb);
current_pcb->state = PROC_UNINTERRUPTIBLE;
list_append(&wait_queue_head->wait_list, &wait.wait_list);
sched_cfs();
}
/**
* @brief 在等待队列上进行等待(允许中断)
*
* @param wait_queue_head 队列头指针
*/
void wait_queue_sleep_on_interriptible(wait_queue_node_t * wait_queue_head)
{
wait_queue_node_t wait;
wait_queue_init(&wait, current_pcb);
current_pcb->state = PROC_INTERRUPTIBLE;
list_append(&wait_queue_head->wait_list, &wait.wait_list);
sched_cfs();
}
/**
* @brief 唤醒在等待队列的头部的进程
*
* @param wait_queue_head
* @param state
*/
void wait_queue_wakeup(wait_queue_node_t * wait_queue_head, int64_t state)
{
if(list_empty(&wait_queue_head->wait_list))
return;
wait_queue_node_t * wait = container_of(list_next(&wait_queue_head->wait_list), wait_queue_node_t, wait_list);
// 符合唤醒条件
if(wait->pcb->state & state)
{
list_del(&wait->wait_list);
process_wakeup(wait->pcb);
}
}