/********************************************************************* * * Copyright (C) 1999-2010, Karlsruhe University * * File path: grabmem/crt0-amd64.S * Description: * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF * SUCH DAMAGE. * * $Id$ * ********************************************************************/ .text .global _start .global _stext _stext: _start: /* Set sp */ leaq __stack, %rsp /* Push mbi values */ pushq %rbx /* mbi ptr */ pushq %rax /* mb magic */ /* Initialize Syscalls */ callq __L4_Init /* Return address */ pushq $___return_from_main jmp main #if 1 .align 16, 0x90 __mb_header: .long 0x1BADB002; .long 0x00010000; .long - 0x00010000 - 0x1BADB002; .long __mb_header; .long _start; .long _edata; .long _end; .long _start; #endif ___return_from_main: int $3 jmp 1f .ascii "System stopped." 1: jmp ___return_from_main .bss .space 1024 __stack: