int main(){
init_serial();
printk("f**k\n");
//mem_test();
blue_screen();
hlt();
return 0;
}
int
abort(const char *fname, int line) {
/* 当程序遇到不可恢复的错误时，首先将外部中断关闭以防其他错误发生，
* 然后显示出错信息后，等待下一个中断到来(实际永远等不到)。*/
disable_interrupt();
blue_screen(fname, line);
while (TRUE) {
wait_for_interrupt();
}
}
t_anim *load_anim(char *paths,
int delay)
{
char *p;
char *filename;
t_anim *anim = NULL;
int i;
if (!paths || !*paths)
return NULL;
if (!(anim = malloc(sizeof (t_anim))))
return NULL;
anim->nr_img = 1;
anim->current_img = 0;
anim->delay = delay;
anim->jiffies = 0;
for (p = paths; *p; p++)
if (*p == ' ')
anim->nr_img++;
if (!(anim->imgs = malloc (anim->nr_img * sizeof (t_image))))
{
free(anim);
return NULL;
}
p = strdup(paths);
for (i = 0; i < anim->nr_img; i++)
{
filename = p;
while (*p && *p != ' ')
p++;
*p = '\0';
p++;
if (!(anim->imgs[i] = load_image(filename)))
blue_screen("failed to load skater image");
}
return anim;
}
void switch_text(void)
{
if (setvideo(VIDEO_TEXT))
blue_screen ("Unable to switch to text mode");
free (offbuffer);
}
void switch_graphic(void)
{
if (setvideo(VIDEO_GRAPHIC))
blue_screen ("Unable to switch to graphic mode");
offbuffer = malloc (FB_SIZE);
}
