summaryrefslogtreecommitdiff
path: root/tools
diff options
context:
space:
mode:
authorThorsten Glaser <tg@mirbsd.org>2010-11-20 19:19:21 +0000
committerWaldemar Brodkorb <wbx@openadk.org>2010-11-20 20:22:48 +0100
commit66c32905a8e5a3e70909fe6dbcfedb4498e10f03 (patch)
tree33ef9f4244de64c39ed40fc16947e069b871acff /tools
parent8ae4c3eff510cc563dd64aceb5a2dda4d559e718 (diff)
new GRUB2 installation script, derived from MirBSD bootblocks
Signed-off-by: Thorsten Glaser <tg@mirbsd.org>
Diffstat (limited to 'tools')
-rw-r--r--tools/adk/Makefile5
-rw-r--r--tools/adk/pt.c243
2 files changed, 1 insertions, 247 deletions
diff --git a/tools/adk/Makefile b/tools/adk/Makefile
index 6d02b0d62..02171c99b 100644
--- a/tools/adk/Makefile
+++ b/tools/adk/Makefile
@@ -12,13 +12,10 @@ ${TOPDIR}/bin/tools/depmaker: $(TOPDIR)/bin/tools
${TOPDIR}/bin/tools/pkgrebuild: $(TOPDIR)/bin/tools
$(HOSTCC) -o $(TOPDIR)/bin/tools/pkgrebuild pkgrebuild.c strmap.c
-${TOPDIR}/bin/tools/pt: $(TOPDIR)/bin/tools
- $(HOSTCC) -o $(TOPDIR)/bin/tools/pt pt.c
-
${TOPDIR}/bin/tools/dkgetsz: ${TOPDIR}/bin/tools
${HOSTCC} -O2 -Wall -o $@ dkgetsz.c
install: ${TOPDIR}/bin/tools/depmaker ${TOPDIR}/bin/tools/pkgrebuild \
- $(TOPDIR)/bin/tools/pt ${TOPDIR}/bin/tools/dkgetsz
+ ${TOPDIR}/bin/tools/dkgetsz
include $(TOPDIR)/mk/tools.mk
diff --git a/tools/adk/pt.c b/tools/adk/pt.c
deleted file mode 100644
index 6f2e7ce25..000000000
--- a/tools/adk/pt.c
+++ /dev/null
@@ -1,243 +0,0 @@
-/*
- * pt - partition table utility
- * Copyright (C) 2010 by Waldemar Brodkorb <wbx@openadk.org>
- *
- * just adds some required code to ptgen - partition table generator
- * Copyright (C) 2006 by Felix Fietkau <nbd@openwrt.org>
- *
- * uses parts of afdisk
- * Copyright (C) 2002 by David Roetzel <david@roetzel.de>
- *
- * 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
- */
-
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <string.h>
-#include <unistd.h>
-#include <stdlib.h>
-#include <stdio.h>
-#include <ctype.h>
-#include <fcntl.h>
-#include <sys/ioctl.h>
-
-#if defined(__linux__)
-#include <linux/fs.h>
-#endif
-
-#if defined(__APPLE__)
-#include <sys/disk.h>
-#define BLKGETSIZE DKIOCGETBLOCKCOUNT
-#endif
-
-/* Partition table entry */
-struct pte {
- unsigned char active;
- unsigned char chs_start[3];
- unsigned char type;
- unsigned char chs_end[3];
- unsigned int start;
- unsigned int length;
-};
-
-struct partinfo {
- unsigned long size;
- int type;
-};
-
-int verbose = 0;
-int active = 1;
-int heads = -1;
-int sectors = -1;
-struct partinfo parts[4];
-char *filename = NULL;
-
-/*
- * get the sector size of the block device
- *
- * print the sector size
- */
-
-static void getmaxsize(char *device) {
- int fd;
- unsigned long maxsectors=0;
-
- fd = open(device, O_RDONLY);
- ioctl(fd, BLKGETSIZE, &maxsectors);
- printf("%lu\n", maxsectors);
- close(fd);
-}
-
-/*
- * parse the size argument, which is either
- * a simple number (K assumed) or
- * K, M or G
- *
- * returns the size in KByte
- */
-static long to_kbytes(const char *string) {
- int exp = 0;
- long result;
- char *end;
-
- result = strtoul(string, &end, 0);
- switch (tolower(*end)) {
- case 'k' :
- case '\0' : exp = 0; break;
- case 'm' : exp = 1; break;
- case 'g' : exp = 2; break;
- default: return 0;
- }
-
- if (*end)
- end++;
-
- if (*end) {
- fprintf(stderr, "garbage after end of number\n");
- return 0;
- }
-
- /* result: number + 1024^(exp) */
- return result * ((2 << ((10 * exp) - 1)) ?: 1);
-}
-
-/* convert the sector number into a CHS value for the partition table */
-static void to_chs(long sect, unsigned char chs[3]) {
- int c,h,s;
-
- s = (sect % sectors) + 1;
- sect = sect / sectors;
- h = sect % heads;
- sect = sect / heads;
- c = sect;
-
- chs[0] = h;
- chs[1] = s | ((c >> 2) & 0xC0);
- chs[2] = c & 0xFF;
-
- return;
-}
-
-/* round the sector number up to the next cylinder */
-static inline unsigned long round_to_cyl(long sect) {
- int cyl_size = heads * sectors;
-
- return sect + cyl_size - (sect % cyl_size);
-}
-
-/* check the partition sizes and write the partition table */
-static int gen_ptable(int nr)
-{
- struct pte pte[4];
- unsigned long sect = 0;
- unsigned int start, len;
- int i, fd, ret = -1;
-
- memset(pte, 0, sizeof(struct pte) * 4);
- for (i = 0; i < nr; i++) {
- if (!parts[i].size) {
- fprintf(stderr, "Invalid size in partition %d!\n", i);
- return -1;
- }
- pte[i].active = ((i + 1) == active) ? 0x80 : 0;
- pte[i].type = parts[i].type;
- pte[i].start = start = sect + sectors;
- sect = round_to_cyl(start + parts[i].size * 2);
- pte[i].length = len = sect - start;
- to_chs(start, pte[i].chs_start);
- to_chs(start + len - 1, pte[i].chs_end);
- if (verbose)
- fprintf(stderr, "Partition %d: start=%u, end=%u, size=%u\n", i, start * 512, (start + len) * 512, len * 512);
- }
-
- if ((fd = open(filename, O_WRONLY|O_CREAT|O_TRUNC, 0644)) < 0) {
- fprintf(stderr, "Can't open output file '%s'\n",filename);
- return -1;
- }
-
- lseek(fd, 446, SEEK_SET);
- if (write(fd, pte, sizeof(struct pte) * 4) != sizeof(struct pte) * 4) {
- fprintf(stderr, "write failed.\n");
- goto fail;
- }
- lseek(fd, 510, SEEK_SET);
- if (write(fd, "\x55\xaa", 2) != 2) {
- fprintf(stderr, "write failed.\n");
- goto fail;
- }
-
- ret = 0;
-fail:
- close(fd);
- return ret;
-}
-
-static void usage(char *prog)
-{
- fprintf(stderr, "Usage: %s [-v] -h <heads> -s <sectors> -o <outputfile> [-a 0..4] [[-t <type>] -p <size>...] \n", prog);
- fprintf(stderr, "Usage: %s -g <device>\n", prog);
- exit(1);
-}
-
-int main (int argc, char **argv)
-{
- char type = 0x83;
- int ch;
- int part = 0;
-
- while ((ch = getopt(argc, argv, "h:s:p:a:t:o:vg:")) != -1) {
- switch (ch) {
- case 'o':
- filename = optarg;
- break;
- case 'v':
- verbose++;
- break;
- case 'h':
- heads = (int) strtoul(optarg, NULL, 0);
- break;
- case 's':
- sectors = (int) strtoul(optarg, NULL, 0);
- break;
- case 'p':
- if (part > 3) {
- fprintf(stderr, "Too many partitions\n");
- exit(1);
- }
- parts[part].size = to_kbytes(optarg);
- parts[part++].type = type;
- break;
- case 't':
- type = (char) strtoul(optarg, NULL, 16);
- break;
- case 'a':
- active = (int) strtoul(optarg, NULL, 0);
- if ((active < 0) || (active > 4))
- active = 0;
- break;
- case 'g':
- getmaxsize(optarg);
- exit(0);
- case '?':
- default:
- usage(argv[0]);
- }
- }
- argc -= optind;
- if (argc || (heads <= 0) || (sectors <= 0) || !filename)
- usage(argv[0]);
-
- return gen_ptable(part);
-}