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🆕 在shell中启动另一个程序

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This commit is contained in:
fslongjin
2022-06-07 23:18:26 +08:00
parent 129d24296b
commit 4e04ab9eee
14 changed files with 109 additions and 77 deletions
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8
kernel/driver/video/video.c
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@ -6,6 +6,9 @@
#include <common/kprint.h>
#include <mm/mm.h>
#include <mm/slab.h>
#include <process/spinlock.h>
// 每个时刻只能有1个进程新增定时任务
spinlock_t video_timer_func_add_lock;
#define REFRESH_INTERVAL 15 // 启动刷新帧缓冲区任务的时间间隔
@ -67,11 +70,15 @@ void init_frame_buffer(bool level)
*/
static void video_refresh_framebuffer()
{
if(current_pcb->pid==3)
kdebug("pid3 flush fb");
memcpy((void *)sc_info.fb_vaddr, (void *)sc_info.double_fb_vaddr, (sc_info.length << 2));
// 新增下一个刷新定时任务
struct timer_func_list_t *tmp = (struct timer_func_list_t *)kmalloc(sizeof(struct timer_func_list_t), 0);
spin_lock(&video_timer_func_add_lock);
timer_func_init(tmp, &video_refresh_framebuffer, NULL, REFRESH_INTERVAL);
timer_func_add(tmp);
spin_unlock(&video_timer_func_add_lock);
}
/**
@ -86,6 +93,7 @@ int video_init(bool level)
init_frame_buffer(level);
if (level)
{
spin_init(&video_timer_func_add_lock);
// 启用双缓冲后，使能printk滚动动画
// printk_enable_animation();
// 初始化第一个屏幕刷新任务