1 /* 2 * Copyright (c) 2003,2004 The DragonFly Project. All rights reserved. 3 * 4 * This code is derived from software contributed to The DragonFly Project 5 * by Matthew Dillon <dillon@backplane.com> 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * 3. Neither the name of The DragonFly Project nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific, prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 24 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 25 * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, 27 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 28 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 29 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 30 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 31 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * $DragonFly: src/sys/boot/pc32/bootasmdef.c,v 1.2 2004/07/27 19:37:15 dillon Exp $ 35 */ 36 37 #include <stdio.h> 38 #include <stdlib.h> 39 #include <string.h> 40 #include <unistd.h> 41 #include "bootasm.h" 42 43 static 44 void 45 usage(const char *arg0, int code) 46 { 47 fprintf(stderr, "%s {BOOT0_ORIGIN,BOOT1_ORIGIN,MEM_BIOS_LADDR,BOOT2_VORIGIN}\n", arg0); 48 exit(code); 49 } 50 51 int 52 main(int ac, char **av) 53 { 54 const char *fmt; 55 const char *var; 56 57 if (ac == 1) 58 usage(av[0], 1); 59 if (strcmp(av[1], "-d") == 0) { 60 if (ac == 2) 61 usage(av[0], 1); 62 var = av[2]; 63 fmt = "%d\n"; 64 } else { 65 var = av[1]; 66 fmt = "0x%04x\n"; 67 } 68 69 if (strcmp(var, "BOOT0_ORIGIN") == 0) { 70 printf(fmt, BOOT0_ORIGIN); 71 } else if (strcmp(var, "BOOT1_ORIGIN") == 0) { 72 printf(fmt, BOOT1_ORIGIN); 73 } else if (strcmp(var, "MEM_BIOS_LADDR") == 0) { 74 printf(fmt, MEM_BIOS_LADDR); 75 } else if (strcmp(var, "BOOT2_VORIGIN") == 0) { 76 printf(fmt, BOOT2_VORIGIN); 77 } else { 78 usage(av[0], 1); 79 } 80 return(0); 81 } 82 83