/* * This file is part of the LinuxBIOS project. * * Copyright (C) 2007 Uwe Hermann * * This program 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 2 of the License, or * (at your option) any later version. * * This program 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 this program; if not, write to the Free Software * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA */ #define ASSEMBLY 1 #include #include "arch/romcc_io.h" #include "pc80/mc146818rtc_early.c" /** * Check whether the normal or the fallback image should be booted * (by reading the proper flag from CMOS), and boot it. * * @param bist The input BIST value. * @return The BIST value. */ static unsigned long main(unsigned long bist) { if (do_normal_boot()) goto normal_image; else goto fallback_image; normal_image: __asm__ __volatile__("jmp __normal_image" : : "a" (bist) : ); cpu_reset: __asm__ __volatile__("jmp __cpu_reset" : : "a" (bist) : ); fallback_image: return bist; }