//----------------------------------------------------------------------------// // GNU GPL OS/K // // // // Desc: How NOT to panic 101 // // // // // // Copyright © 2018-2019 The OS/K Team // // // // This file is part of OS/K. // // // // OS/K is free software: you can redistribute it and/or modify // // it under the terms of the GNU General Public License as published by // // the Free Software Foundation, either version 3 of the License, or // // any later version. // // // // OS/K is distributed in the hope that it will be useful, // // but WITHOUT ANY WARRANTY//without even the implied warranty of // // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the // // GNU General Public License for more details. // // // // You should have received a copy of the GNU General Public License // // along with OS/K. If not, see . // //----------------------------------------------------------------------------// #include #include // // Failed assert() handler // noreturn void __assert_handler(const char *msg, const char *file, int line, const char *func) { DisableIRQs(); (void)file; (void)line; (void)func; StartPanic("cpu%d: In function '%s', from %s line %s - assert() failed: '%s'", _GetCurCPU(), func, file, line, msg); } // // Your best boy panic() // This is CPU local... // noreturn void StartPanic(const char *fmt, ...) { va_list ap; DisableIRQs(); *vga = ('B') | (0x0F << 8); if (GetCurProc()) _SetCurProc(NULL); if (GetStdOut() == NULL) CrashSystem(); HaltCPU(); GetStdOut()->ClearTermUnlocked(GetStdOut()); if (fmt == NULL) { fmt = "(no message given)"; } if (GetPanicStr()) { GetStdOut()->PrintOnTermUnlocked(GetStdOut(), "\ndouble panic!"); tritemporize(); HaltCPU(); } va_start(ap, fmt); vsnprintf(GetPanicStr(), sizeof GetPanicStr(), fmt, ap); va_end(ap); GetStdOut()->PrintOnTermUnlocked(GetStdOut(), "\npanic!\n\n"); GetStdOut()->PrintOnTermUnlocked(GetStdOut(), GetPanicStr()); tritemporize(); HaltCPU(); } // // Oh well // noreturn void CrashSystem(void) { DisableIRQs(); tritemporize(); HaltCPU(); }