Add support for amiga.
This commit is contained in:
mhitch
parent
0d8f526f58
commit
e7852b0563
@ -1,4 +1,4 @@
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# $NetBSD: Makefile,v 1.21 2002/06/02 10:44:57 isaki Exp $
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# $NetBSD: Makefile,v 1.22 2003/01/15 06:33:58 mhitch Exp $
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#
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.include <bsd.own.mk>
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@ -6,7 +6,7 @@
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PROG= installboot
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SRCS= installboot.c sum.c machines.c fstypes.c \
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ffs.c ffs_bswap.c bbinfo.c \
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alpha.c macppc.c news.c pmax.c sparc.c sparc64.c sun68k.c vax.c x68k.c
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alpha.c amiga.c macppc.c news.c pmax.c sparc.c sparc64.c sun68k.c vax.c x68k.c
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MAN= installboot.8
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WARNS?= 3
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195
usr.sbin/installboot/arch/amiga.c
Normal file
195
usr.sbin/installboot/arch/amiga.c
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@ -0,0 +1,195 @@
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/* $NetBSD: amiga.c,v 1.1 2003/01/15 06:33:13 mhitch Exp $ */
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/*-
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* Copyright (c) 1999, 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Michael Hitch.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Luke Mewburn of Wasabi Systems.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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#if defined(__RCSID) && !defined(__lint)
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__RCSID("$NetBSD: amiga.c,v 1.1 2003/01/15 06:33:13 mhitch Exp $");
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#endif /* !__lint */
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#include <sys/param.h>
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#include <sys/stat.h>
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#include <assert.h>
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#include <err.h>
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#include <stddef.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <unistd.h>
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#include <string.h>
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#include "installboot.h"
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/* XXX Must be kept in sync with bbstart.s! */
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#define CMDLN_LOC 0x10
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#define CMDLN_LEN 0x20
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char command[CMDLN_LEN];
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#define CHKSUMOFFS 1
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u_int32_t chksum(u_int32_t *, int);
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int amiga_parseopt(ib_params *, const char *);
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int amiga_setboot(ib_params *);
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int amiga_clearboot(ib_params *);
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int
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amiga_parseopt(ib_params *params, const char *option)
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{
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if (strncmp("command=", option, strlen("command=")) == 0) {
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strncpy(command, option + strlen("command="), CMDLN_LEN);
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params->flags |= IB_COMMAND;
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return (1);
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}
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warnx("Unknown -o option `%s'", option);
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return (0);
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}
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int
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amiga_clearboot(ib_params *params)
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{
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return 0;
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}
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int
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amiga_setboot(ib_params *params)
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{
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int retval;
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ssize_t rv;
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char *dline;
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int sumlen;
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u_int32_t sum2, sum16;
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struct stat bootstrapsb;
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u_int32_t block[128*16];
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if (fstat(params->s1fd, &bootstrapsb) == -1) {
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warn("Examining `%s'", params->stage1);
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goto done;
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}
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if (!S_ISREG(bootstrapsb.st_mode)) {
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warnx("`%s' must be a regular file", params->stage1);
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goto done;
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}
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rv = pread(params->s1fd, &block, sizeof(block), 0);
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if (rv == -1) {
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warn("Reading `%s'", params->stage1);
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goto done;
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} else if (rv != sizeof(block)) {
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warnx("Reading `%s': short read", params->stage1);
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goto done;
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}
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/* XXX the choices should not be hardcoded */
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sum2 = chksum(block, 1024/4);
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sum16 = chksum(block, 8192/4);
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if (sum16 == 0xffffffff) {
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sumlen = 8192/4;
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} else if (sum2 == 0xffffffff) {
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sumlen = 1024/4;
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} else {
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errx(1, "%s: wrong checksum", params->stage1);
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/* NOTREACHED */
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}
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if (sum2 == sum16) {
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warnx("eek - both sums are the same");
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}
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if (params->flags & IB_COMMAND) {
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dline = (char *)&(block[CMDLN_LOC/4]);
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/* XXX keep the default default line in sync with bbstart.s */
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if (strcmp(dline, "netbsd -ASn2") != 0) {
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errx(1, "Old bootblock version? Can't change command line.");
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}
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(void)strncpy(dline, command, CMDLN_LEN-1);
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block[1] = 0;
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block[1] = 0xffffffff - chksum(block, sumlen);
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}
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if (params->flags & IB_NOWRITE) {
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retval = 1;
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goto done;
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}
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if (params->flags & IB_VERBOSE)
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printf("Writing boot block\n");
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rv = pwrite(params->fsfd, &block, sizeof(block), 0);
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if (rv == -1) {
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warn("Writing `%s'", params->filesystem);
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goto done;
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} else if (rv != sizeof(block)) {
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warnx("Writing `%s': short write", params->filesystem);
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goto done;
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} else {
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retval = 1;
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}
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done:
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return (retval);
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}
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u_int32_t
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chksum(block, size)
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u_int32_t *block;
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int size;
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{
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u_int32_t sum, lastsum;
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int i;
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sum = 0;
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for (i=0; i<size; i++) {
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lastsum = sum;
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sum += htobe32(block[i]);
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if (sum < lastsum)
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++sum;
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}
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return sum;
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}
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@ -1,4 +1,4 @@
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.\" $NetBSD: installboot.8,v 1.23 2002/10/03 07:27:50 lukem Exp $
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.\" $NetBSD: installboot.8,v 1.24 2003/01/15 06:33:58 mhitch Exp $
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.\"
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.\" Copyright (c) 2002 The NetBSD Foundation, Inc.
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.\" All rights reserved.
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@ -150,6 +150,7 @@ into
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The following platforms do not require this step if the primary bootstrap
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already exists and the secondary bootstrap file is just being updated:
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.Sy alpha ,
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.Sy amiga ,
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.Sy pmax ,
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.Sy sparc64 ,
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and
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@ -206,6 +207,7 @@ The following machines are currently supported by
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.Nm "" :
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.Bd -ragged -offset indent
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.Sy alpha ,
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.Sy amiga ,
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.Sy macppc ,
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.Sy news68k ,
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.Sy newsmips ,
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@ -248,6 +250,10 @@ to the end of
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.Ar filesystem ,
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which must be a regular file in this case.
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.
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.It Sy command=<boot command>
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.Sy [ amiga ]
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Modify the default boot command line.
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.
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.It Sy sunsum
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.Sy [ alpha ,
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.Sy pmax ,
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@ -421,6 +427,11 @@ with the secondary bootstrap
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already present:
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.Dl Ic installboot /dev/rsd0c /usr/mdec/bootxx /boot
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.
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.Ss NetBSD/amiga examples
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Modify the command line to change the default from "netbsd -ASn2" to
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"netbsd -S":
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.Dl Ic installboot -m amiga -o command="netbsd -S" /dev/rsd0a /usr/mdec/bootxx_ffs
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.
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.Sh SEE ALSO
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.Xr uname 3 ,
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.Xr boot 8 ,
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@ -446,8 +457,9 @@ Ross Harvey (alpha),
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Paul Kranenburg (sparc),
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Luke Mewburn (macppc),
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Matt Thomas (vax),
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Izumi Tsutsui (news68k, newsmips),
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and
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Izumi Tsutsui (news68k, newsmips).
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Michael Hitch (amiga).
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.
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.Sh BUGS
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There are not currently primary bootstraps to support all file systems
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@ -1,4 +1,4 @@
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/* $NetBSD: installboot.h,v 1.15 2002/10/03 05:31:25 lukem Exp $ */
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/* $NetBSD: installboot.h,v 1.16 2003/01/15 06:33:58 mhitch Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -61,6 +61,7 @@ typedef enum {
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IB_SUNSUM = 1<<10, /* set Sun checksum */
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IB_STAGE1START= 1<<11, /* start block for stage 1 provided */
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IB_STAGE2START= 1<<12, /* start block for stage 2 provided */
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IB_COMMAND = 1<<13, /* Amiga commandline option */
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} ib_flags;
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typedef struct {
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@ -145,6 +146,8 @@ int raw_findstage2(ib_params *, uint32_t *, ib_block *);
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int alpha_parseopt(ib_params *, const char *);
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int alpha_setboot(ib_params *);
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int alpha_clearboot(ib_params *);
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int amiga_parseopt(ib_params *, const char *);
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int amiga_setboot(ib_params *);
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int macppc_setboot(ib_params *);
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int macppc_clearboot(ib_params *);
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int news68k_setboot(ib_params *);
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@ -1,4 +1,4 @@
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/* $NetBSD: machines.c,v 1.12 2002/06/02 10:44:57 isaki Exp $ */
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/* $NetBSD: machines.c,v 1.13 2003/01/15 06:33:58 mhitch Exp $ */
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/*-
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* Copyright (c) 2002 The NetBSD Foundation, Inc.
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@ -41,6 +41,7 @@
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struct ib_mach machines[] = {
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{ "alpha", alpha_parseopt, alpha_setboot, alpha_clearboot },
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{ "amiga", amiga_parseopt, amiga_setboot, no_clearboot },
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{ "i386", no_parseopt, no_setboot, no_clearboot },
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{ "macppc", no_parseopt, macppc_setboot, macppc_clearboot },
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{ "news68k", no_parseopt, news68k_setboot, news68k_clearboot },
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