DragonOS-Community/DragonOS
4
1
Fork 0
mirror of https://github.com/DragonOS-Community/DragonOS.git synced 2025-06-19 00:46:31 +00:00
Code Issues Releases Wiki Activity

改用int250作为系统调用

Browse Source
This commit is contained in:
fslongjin
2022-04-12 11:54:44 +08:00
parent 011246281a
commit 2d7b2b7048
15 changed files with 236 additions and 104 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kernel/driver/timers/rtc/rtc.c
View File

@ -22,7 +22,7 @@ enum CMOSTimeSelector
int rtc_get_cmos_time(struct rtc_time_t *t)
{
// 为防止中断请求打断该过程，需要先关中断
//cli();
cli();
uint8_t status_register_B = read_cmos(0x0B); // 读取状态寄存器B
bool is_24h = ((status_register_B & 0x02) ? true : false); // 判断是否启用24小时模式
@ -53,6 +53,6 @@ int rtc_get_cmos_time(struct rtc_time_t *t)
if ((!is_24h) && t->hour & 0x80) // 将十二小时制转为24小时
t->hour = ((t->hour & 0x7f) + 12) % 24;
//sti();
sti();
return 0;
}