mirror of
https://github.com/LadybirdBrowser/ladybird.git
synced 2024-11-11 01:06:01 +03:00
48 lines
1.3 KiB
C++
48 lines
1.3 KiB
C++
/*
|
|
* Copyright (c) 2021, Andreas Kling <kling@serenityos.org>
|
|
*
|
|
* SPDX-License-Identifier: BSD-2-Clause
|
|
*/
|
|
|
|
#include <AK/Format.h>
|
|
#include <Kernel/Arch/Processor.h>
|
|
#include <Kernel/Arch/x86/IO.h>
|
|
#include <Kernel/CommandLine.h>
|
|
#include <Kernel/KSyms.h>
|
|
#include <Kernel/Panic.h>
|
|
#include <Kernel/Thread.h>
|
|
|
|
namespace Kernel {
|
|
|
|
[[noreturn]] static void __shutdown()
|
|
{
|
|
// Note: This will invoke QEMU Shutdown, but for other platforms (or emulators),
|
|
// this has no effect on the system, so we still need to halt afterwards.
|
|
// We also try the Bochs/Old QEMU shutdown method, if the first didn't work.
|
|
IO::out16(0x604, 0x2000);
|
|
IO::out16(0xb004, 0x2000);
|
|
Processor::halt();
|
|
}
|
|
|
|
void __panic(const char* file, unsigned int line, const char* function)
|
|
{
|
|
// Avoid lock ranking checks on crashing paths, just try to get some debugging messages out.
|
|
auto* thread = Thread::current();
|
|
if (thread)
|
|
thread->set_crashing();
|
|
|
|
critical_dmesgln("at {}:{} in {}", file, line, function);
|
|
dump_backtrace(PrintToScreen::Yes);
|
|
if (!CommandLine::was_initialized())
|
|
Processor::halt();
|
|
switch (kernel_command_line().panic_mode()) {
|
|
case PanicMode::Shutdown:
|
|
__shutdown();
|
|
case PanicMode::Halt:
|
|
[[fallthrough]];
|
|
default:
|
|
Processor::halt();
|
|
}
|
|
}
|
|
}
|