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125 lines
4.2 KiB
C++
125 lines
4.2 KiB
C++
/*******************************************************************************
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Copyright(C) Jonas 'Sortie' Termansen 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along with
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Sortix. If not, see <http://www.gnu.org/licenses/>.
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panic.cpp
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Displays an error whenever something critical happens.
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*******************************************************************************/
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#include <sortix/kernel/platform.h>
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#include <sortix/kernel/interrupt.h>
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#include <string.h>
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#include <sortix/kernel/log.h>
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#include "calltrace.h"
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#include <sortix/kernel/panic.h>
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namespace Sortix
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{
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#if defined(DEBUG) || defined(PANIC_SHORT)
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bool longpanic = false;
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#else
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bool longpanic = true;
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#endif
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bool panicing = false;
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bool doublepanic = false;
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void PanicInit()
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{
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Interrupt::Disable();
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if ( panicing )
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{
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Log::PrintF("Panic while panicing:\n");
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doublepanic = true;
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return;
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}
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panicing = true;
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if ( longpanic )
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{
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Log::Print("\e[m\e[31;40m\e[2J\e[H");
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Log::Print(" _ \n");
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Log::Print(" / \\ \n");
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Log::Print(" /\\ /\\ / \\ \n");
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Log::Print(" / \\ / \\ | | \n");
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Log::Print(" / \\/ \\ | | \n");
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Log::Print(" | X X \\_______________________ / | \n");
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Log::Print(" | | \n");
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Log::Print(" | _________ / \n");
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Log::Print(" \\ / \n");
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Log::Print(" ------ --------------- ---/ \n");
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Log::Print(" / \\ / \\ \n");
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Log::Print(" / \\ / \\ \n");
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Log::Print(" / \\ / \\ \n");
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Log::Print(" /_____________\\ /____________\\ \n");
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Log::Print(" \n");
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Log::Print(" \n");
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Log::Print(" RED MAXSI OF DEATH \n");
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Log::Print(" \n");
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Log::Print("A critical error occured within the kernel of the operating system and it has\n");
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Log::Print("forcefully shut down as a last resort.\n");
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Log::Print("\n");
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Log::Print("Technical information:\n");
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}
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else
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{
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Log::Print("\e[m\e[31m\e[0J");
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Log::Print("RED MAXSI OF DEATH\n");
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}
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}
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void PanicCalltrace()
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{
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Log::Print("\n");
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Calltrace::Perform();
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}
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void PanicHooks()
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{
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if ( doublepanic ) { return; }
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if ( ENABLE_CALLTRACE ) { PanicCalltrace(); }
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}
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__attribute__((noreturn))
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void PanicHalt()
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{
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#ifdef JSSORTIX
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JSSortix::Exit();
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#endif
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HaltKernel();
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__builtin_unreachable();
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}
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extern "C" void Panic(const char* Error)
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{
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PanicInit();
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Log::Print(Error);
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PanicHooks();
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PanicHalt();
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}
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extern "C" void PanicF(const char* Format, ...)
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{
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PanicInit();
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va_list list;
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va_start(list, Format);
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Log::PrintFV(Format, list);
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va_end(list);
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PanicHooks();
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PanicHalt();
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}
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}
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