banan-os/kernel/include/kernel/Panic.h

36 lines
821 B
C++

#pragma once
#include <kernel/Debug.h>
#define __panic_stringify_helper(s) #s
#define __panic_stringify(s) __panic_stringify_helper(s)
#define panic(...) panic_impl(__FILE__ ":" __panic_stringify(__LINE__), __VA_ARGS__)
namespace Kernel
{
extern volatile bool g_paniced;
template<typename... Args>
__attribute__((__noreturn__))
static void panic_impl(const char* location, const char* message, Args&&... args)
{
asm volatile("cli");
const bool had_debug_lock = Debug::s_debug_lock.current_processor_has_lock();
derrorln("Kernel panic at {}", location);
if (had_debug_lock)
derrorln(" while having debug lock...");
derrorln(message, BAN::forward<Args>(args)...);
if (!g_paniced)
{
g_paniced = true;
Debug::dump_stack_trace();
}
asm volatile("ud2");
__builtin_unreachable();
}
}