Annotation of sys/arch/mvme88k/stand/sboot/sboot.c, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: sboot.c,v 1.4 2006/05/16 22:52:26 miod Exp $ */
! 2:
! 3: /*
! 4: * Copyright (c) 1995 Theo de Raadt
! 5: *
! 6: * Redistribution and use in source and binary forms, with or without
! 7: * modification, are permitted provided that the following conditions
! 8: * are met:
! 9: * 1. Redistributions of source code must retain the above copyright
! 10: * notice, this list of conditions and the following disclaimer.
! 11: * 2. Redistributions in binary form must reproduce the above copyright
! 12: * notice, this list of conditions and the following disclaimer in the
! 13: * documentation and/or other materials provided with the distribution.
! 14: *
! 15: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
! 16: * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
! 17: * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 18: * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
! 19: * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 20: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 21: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 22: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 23: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 24: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 25: * SUCH DAMAGE.
! 26: *
! 27: * Copyright (c) 1995 Charles D. Cranor and Seth Widoff
! 28: * All rights reserved.
! 29: *
! 30: * Redistribution and use in source and binary forms, with or without
! 31: * modification, are permitted provided that the following conditions
! 32: * are met:
! 33: * 1. Redistributions of source code must retain the above copyright
! 34: * notice, this list of conditions and the following disclaimer.
! 35: * 2. Redistributions in binary form must reproduce the above copyright
! 36: * notice, this list of conditions and the following disclaimer in the
! 37: * documentation and/or other materials provided with the distribution.
! 38: * 3. All advertising materials mentioning features or use of this software
! 39: * must display the following acknowledgement:
! 40: * This product includes software developed by Charles D. Cranor
! 41: * and Seth Widoff.
! 42: * 4. The name of the author may not be used to endorse or promote products
! 43: * derived from this software without specific prior written permission.
! 44: *
! 45: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
! 46: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
! 47: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
! 48: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
! 49: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
! 50: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
! 51: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
! 52: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
! 53: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
! 54: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
! 55: */
! 56:
! 57: #include <sys/cdefs.h>
! 58: #include "sboot.h"
! 59:
! 60: void
! 61: main()
! 62: {
! 63: char buf[128];
! 64:
! 65: buf[0] = '0';
! 66: printf("\nsboot: MVME147 bootstrap program\n");
! 67: while (1) {
! 68: printf(">>> ");
! 69: gets(buf);
! 70: do_cmd(buf);
! 71: }
! 72: /* not reached */
! 73: }
! 74:
! 75: /*
! 76: * exit to rom
! 77: */
! 78: void
! 79: callrom()
! 80: {
! 81: asm("trap #15; .word 0x0063");
! 82: }
! 83:
! 84: /*
! 85: * do_cmd: do a command
! 86: */
! 87: void
! 88: do_cmd(buf)
! 89: char *buf;
! 90: {
! 91: switch (*buf) {
! 92: case '\0':
! 93: break;
! 94: case 'a':
! 95: if (rev_arp()) {
! 96: printf("My ip address is: %d.%d.%d.%d\n", myip[0],
! 97: myip[1], myip[2], myip[3]);
! 98: printf("Server ip address is: %d.%d.%d.%d\n", servip[0],
! 99: servip[1], servip[2], servip[3]);
! 100: } else {
! 101: printf("Failed.\n");
! 102: }
! 103: break;
! 104: case 'q':
! 105: printf("exiting to ROM\n");
! 106: callrom();
! 107: break;
! 108: case 'f':
! 109: if (do_get_file() == 1) {
! 110: printf("Download Failed\n");
! 111: } else {
! 112: printf("Download was a success!\n");
! 113: }
! 114: break;
! 115: case 'b':
! 116: le_init();
! 117: if (rev_arp()) {
! 118: printf("client IP address %d.%d.%d.%d\n", myip[0],
! 119: myip[1], myip[2], myip[3]);
! 120: printf("server IP address %d.%d.%d.%d\n", servip[0],
! 121: servip[1], servip[2], servip[3]);
! 122: } else {
! 123: printf("REVARP: Failed.\n");
! 124: return;
! 125: }
! 126: if (do_get_file() == 1) {
! 127: printf("Download Failed\n");
! 128: return;
! 129: } else {
! 130: printf("received secondary boot program.\n");
! 131: }
! 132: if (*++buf == '\0')
! 133: buf = "bsd";
! 134: go(buf);
! 135: break;
! 136: case 'h':
! 137: case '?':
! 138: printf("valid commands\n");
! 139: printf("a - send a RARP\n");
! 140: printf("b - boot the system\n");
! 141: printf("q - exit to ROM\n");
! 142: printf("f - ftp the boot file\n");
! 143: printf("g - execute the boot file\n");
! 144: printf("h - help\n");
! 145: printf("i - init LANCE enet chip\n");
! 146: break;
! 147: case 'i':
! 148: le_init();
! 149: break;
! 150: case 'g':
! 151: go(buf);
! 152: break;
! 153: default:
! 154: printf("sboot: %s: Unknown command\n", buf);
! 155: }
! 156: }
! 157:
! 158: go(buf)
! 159: char *buf;
! 160: {
! 161: void (*entry)() = (void (*))LOAD_ADDR;
! 162:
! 163: printf("jumping to boot program at 0x%x.\n", entry);
! 164:
! 165: asm("clrl d0; clrl d1"); /* XXX network device */
! 166: asm("movl %0, a3" : : "a" (buf) : "a3");
! 167: asm("movl %0, a4" : : "a" (buf + strlen(buf)) : "a4");
! 168: asm("jmp %0@" : : "a" (entry));
! 169: }
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