forked from PoliEcho-holding-org/kern
34 lines
689 B
C
34 lines
689 B
C
#include <vsnprintf.h>
|
|
#include <kernel.h>
|
|
#include <stdarg.h>
|
|
#include <system.h>
|
|
|
|
static int crashing = 0;
|
|
|
|
void panic(const char *fmt, ...) {
|
|
va_list ap;
|
|
va_start(ap, fmt);
|
|
vpanic(fmt, ap);
|
|
va_end(ap);
|
|
}
|
|
|
|
void vpanic(const char *fmt, va_list ap) {
|
|
static char buf[PANIC_MSG_BUFSZ];
|
|
size_t len;
|
|
|
|
cli();
|
|
|
|
if (crashing) { for (;;) __asm__ volatile ("hlt"); }
|
|
crashing = true;
|
|
|
|
len = vsnprintf(buf, sizeof(buf), fmt, ap);
|
|
if (len && buf[len - 1] == '\n') buf[len - 1] = '\0';
|
|
|
|
pr_emerg("--- [ Kernel panic: %s ] ---\n", buf);
|
|
//pr_emerg("--- [ End kernel panic: %s ] ---\n", buf);
|
|
|
|
// We can add some kind of LED blink or smth later :)
|
|
for (;;) __asm__ volatile ("hlt");
|
|
}
|
|
|