/* Copyright (C) 2021,2022 fef <owo@fef.moe>.  All rights reserved. */

#include <arch/cpufunc.h>

#include <gay/cdefs.h>
#include <gay/config.h>
#include <gay/kprintf.h>
#include <gay/ktrace.h>
#include <gay/systm.h>

#include <stdarg.h>

__noreturn
void panic(const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);

	disable_intr();

	kprintf("Kernel panic: ");
	if (fmt == nil)
		kprintf("(nil)\n");
	else
		kvprintf(fmt, args);

	kprintf("\n");
	ktrace_print();

	kprintf("\nKernel version: %s\nSystem halted", GAY_VERSION_STR);

	/* no need for va_end() here i guess */
	while (1) {
		halt();
		disable_intr();
	}
}

__noreturn
void panic_notrace(const char *fmt, ...)
{
	va_list args;
	va_start(args, fmt);

	disable_intr();

	kprintf("Kernel panic: ");
	if (fmt == nil)
		kprintf("(nil)\n");
	else
		kvprintf(fmt, args);

	kprintf("\nKernel version: %s\nSystem halted", GAY_VERSION_STR);

	/* no need for va_end() here i guess */
	while (1) {
		halt();
		disable_intr();
	}
}