修复缓冲队列未初始化造成键盘驱动崩溃的BUG

Mdr-C-Tutorial · Nov 6, 2024 · cd3be76 · cd3be76
1 parent 01cf7f3
commit cd3be76
Showing 1 changed file with 4 additions and 1 deletion.
diff --git a/src/driver/tty.c b/src/driver/tty.c
@@ -37,7 +37,6 @@ tty_t* default_tty_alloc(){
     tty->fifo = kmalloc(sizeof(struct FIFO8));
     char* buf = kmalloc(512);
     fifo8_init(tty->fifo, 512, (unsigned char *)buf);
-
     return tty;
 }
 
@@ -56,5 +55,9 @@ void tty_init(void){
     default_tty.putchar = tty_putchar;
     strcpy(default_tty.name,"ost/default");
 
+    default_tty.fifo = kmalloc(sizeof(struct FIFO8));
+    char* buf = kmalloc(512);
+    fifo8_init(default_tty.fifo, 512, (unsigned char *)buf);
+
     tty_status = TTY_VGA_OUTPUT;
 }