1995-04-29 07:21:14 +00:00
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/*
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* ----------------------------------------------------------------------------
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* "THE BEER-WARE LICENSE" (Revision 42):
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* <phk@login.dknet.dk> wrote this file. As long as you retain this notice you
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* can do whatever you want with this stuff. If we meet some day, and you think
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* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
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* ----------------------------------------------------------------------------
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*
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1999-08-28 00:22:10 +00:00
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* $FreeBSD$
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1995-04-29 07:21:14 +00:00
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*
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*/
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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 <fcntl.h>
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#include <string.h>
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#include <err.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/ioctl.h>
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#include <sys/disklabel.h>
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#include <sys/diskslice.h>
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#include "libdisk.h"
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#define DOSPTYP_EXTENDED 5
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1995-05-30 08:29:07 +00:00
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#define BBSIZE 8192
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1995-08-26 04:57:03 +00:00
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#define SBSIZE 8192
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#define DEF_RPM 3600
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#define DEF_INTERLEAVE 1
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1995-04-30 06:09:29 +00:00
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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#define WHERE(offset,disk) (offset)
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#else
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1995-04-30 06:09:29 +00:00
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#define WHERE(offset,disk) (disk->flags & DISK_ON_TRACK ? offset + 63 : offset)
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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int
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Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1)
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{
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struct disklabel *dl;
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struct chunk *c2;
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int i,j;
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void *p;
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u_char buf[BBSIZE];
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1998-10-06 11:57:08 +00:00
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#ifdef __alpha__
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u_long *lp, sum;
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#endif
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1995-04-30 06:09:29 +00:00
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for(i=0;i<BBSIZE/512;i++) {
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1995-05-24 08:59:40 +00:00
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p = read_block(fd,WHERE(i + c1->offset,new));
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1995-04-30 06:09:29 +00:00
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memcpy(buf+512*i,p,512);
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free(p);
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}
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1998-10-06 11:57:08 +00:00
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#if defined(__i386__)
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1995-04-30 06:09:29 +00:00
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if(new->boot1)
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memcpy(buf,new->boot1,512);
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if(new->boot2)
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memcpy(buf+512,new->boot2,BBSIZE-512);
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1998-10-06 11:57:08 +00:00
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#elif defined(__alpha__)
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if(new->boot1)
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memcpy(buf+512,new->boot1,BBSIZE-512);
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#endif
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1995-04-30 06:09:29 +00:00
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dl = (struct disklabel *) (buf+512*LABELSECTOR+LABELOFFSET);
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memset(dl,0,sizeof *dl);
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for(c2=c1->part;c2;c2=c2->next) {
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if (c2->type == unused) continue;
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if (!strcmp(c2->name,"X")) continue;
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1999-01-29 11:39:24 +00:00
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#ifdef __alpha__
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j = c2->name[strlen(c2->name) - 1] - 'a';
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#else
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1998-10-27 21:14:03 +00:00
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j = c2->name[strlen(new->name) + 2] - 'a';
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1999-01-29 11:39:24 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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if (j < 0 || j >= MAXPARTITIONS || j == RAW_PART) {
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1996-04-29 05:03:02 +00:00
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#ifdef DEBUG
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2000-03-26 15:14:16 +00:00
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warn("weird partition letter %c",c2->name[strlen(new->name) + 2]);
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1996-04-29 05:03:02 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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continue;
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}
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dl->d_partitions[j].p_size = c2->size;
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1995-04-30 22:51:05 +00:00
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dl->d_partitions[j].p_offset = c2->offset;
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1995-04-30 11:04:16 +00:00
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dl->d_partitions[j].p_fstype = c2->subtype;
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1995-04-30 06:09:29 +00:00
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}
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dl->d_bbsize = BBSIZE;
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1995-08-26 04:57:03 +00:00
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/*
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* Add in defaults for superblock size, interleave, and rpms
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*/
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dl->d_sbsize = SBSIZE;
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dl->d_interleave = DEF_INTERLEAVE;
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dl->d_rpm = DEF_RPM;
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1995-04-30 06:09:29 +00:00
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strcpy(dl->d_typename,c1->name);
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1995-04-30 11:04:16 +00:00
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dl->d_secsize = 512;
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1995-04-30 06:09:29 +00:00
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dl->d_secperunit = new->chunks->size;
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1995-12-07 10:34:59 +00:00
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dl->d_ncylinders = new->bios_cyl;
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1995-06-11 19:33:05 +00:00
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dl->d_ntracks = new->bios_hd;
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dl->d_nsectors = new->bios_sect;
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1995-04-30 11:04:16 +00:00
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dl->d_secpercyl = dl->d_ntracks * dl->d_nsectors;
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1995-04-30 06:09:29 +00:00
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dl->d_npartitions = MAXPARTITIONS;
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1998-06-27 02:01:25 +00:00
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dl->d_type = new->name[0] == 's' || new->name[0] == 'd' ||
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new->name[0] == 'o' ? DTYPE_SCSI : DTYPE_ESDI;
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1995-04-30 06:09:29 +00:00
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dl->d_partitions[RAW_PART].p_size = c1->size;
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1995-04-30 22:51:05 +00:00
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dl->d_partitions[RAW_PART].p_offset = c1->offset;
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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dl->d_rpm = 3600;
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dl->d_interleave = 1;
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#endif
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1995-04-30 06:09:29 +00:00
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2000-03-29 15:10:28 +00:00
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#ifndef PC98
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1995-05-08 02:08:33 +00:00
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if(new->flags & DISK_ON_TRACK)
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for(i=0;i<MAXPARTITIONS;i++)
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if (dl->d_partitions[i].p_size)
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dl->d_partitions[i].p_offset += 63;
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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dl->d_magic = DISKMAGIC;
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dl->d_magic2 = DISKMAGIC;
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dl->d_checksum = dkcksum(dl);
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1998-10-06 11:57:08 +00:00
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#ifdef __alpha__
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1999-01-08 00:32:19 +00:00
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/*
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* Tell SRM where the bootstrap is.
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*/
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lp = (u_long *)buf;
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lp[60] = 15;
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lp[61] = 1;
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lp[62] = 0;
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1998-10-06 11:57:08 +00:00
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/*
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* Generate the bootblock checksum for the SRM console.
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*/
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for (lp = (u_long *)buf, i = 0, sum = 0; i < 63; i++)
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sum += lp[i];
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lp[63] = sum;
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#endif
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1995-04-30 06:09:29 +00:00
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for(i=0;i<BBSIZE/512;i++) {
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write_block(fd,WHERE(i + c1->offset,new),buf+512*i);
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}
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1995-05-30 08:29:07 +00:00
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1995-04-30 06:09:29 +00:00
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return 0;
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}
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int
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Write_Extended(int fd, struct disk *new, struct disk *old, struct chunk *c1)
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{
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return 0;
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}
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1995-04-29 07:21:14 +00:00
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1998-09-30 21:40:51 +00:00
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static void
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Write_Int32(u_int32_t *p, u_int32_t v)
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{
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u_int8_t *bp = (u_int8_t *)p;
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bp[0] = (v >> 0) & 0xff;
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bp[1] = (v >> 8) & 0xff;
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bp[2] = (v >> 16) & 0xff;
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bp[3] = (v >> 24) & 0xff;
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}
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1995-04-29 07:21:14 +00:00
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int
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Write_Disk(struct disk *d1)
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{
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1995-04-30 06:09:29 +00:00
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int fd,i,j;
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struct disk *old = 0;
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struct chunk *c1;
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int ret = 0;
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char device[64];
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1995-04-30 07:30:45 +00:00
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u_char *mbr;
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1995-04-30 22:51:05 +00:00
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struct dos_partition *dp,work[NDOSPART];
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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int s[7];
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int PC98_EntireDisk = 0;
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#else
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1995-04-30 06:09:29 +00:00
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int s[4];
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2000-03-29 15:10:28 +00:00
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#endif
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1999-05-09 11:34:58 +00:00
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int one = 1;
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int zero = 0;
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1995-04-30 06:09:29 +00:00
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2000-05-31 00:51:57 +00:00
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strcpy(device,"/dev/");
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1995-04-30 06:09:29 +00:00
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strcat(device,d1->name);
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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/* XXX - for entire FreeBSD(98) */
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for (c1 = d1->chunks->part; c1; c1 = c1->next) {
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if ((c1->type == freebsd) || (c1->offset == 0))
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device[9] = 0;
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}
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#endif
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1995-04-30 06:09:29 +00:00
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fd = open(device,O_RDWR);
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if (fd < 0) {
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1996-04-29 05:03:02 +00:00
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#ifdef DEBUG
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1995-04-30 06:09:29 +00:00
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warn("open(%s) failed",device);
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1996-04-29 05:03:02 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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return 1;
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}
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1999-05-09 11:34:58 +00:00
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ioctl(fd, DIOCWLABEL, &one);
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1995-04-30 06:09:29 +00:00
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memset(s,0,sizeof s);
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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mbr = read_block(fd,WHERE(1,d1));
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#else
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1995-05-24 08:59:40 +00:00
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mbr = read_block(fd,WHERE(0,d1));
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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dp = (struct dos_partition*) (mbr + DOSPARTOFF);
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1995-04-30 22:51:05 +00:00
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memcpy(work,dp,sizeof work);
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dp = work;
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free(mbr);
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1995-04-30 06:09:29 +00:00
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for (c1=d1->chunks->part; c1 ; c1 = c1->next) {
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if (c1->type == unused) continue;
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if (!strcmp(c1->name,"X")) continue;
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1999-01-29 11:39:24 +00:00
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#ifndef __alpha__
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1995-04-30 06:09:29 +00:00
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j = c1->name[4] - '1';
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1998-10-27 21:14:03 +00:00
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j = c1->name[strlen(d1->name) + 1] - '1';
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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if (j < 0 || j > 7)
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#else
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1995-04-30 06:09:29 +00:00
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if (j < 0 || j > 3)
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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continue;
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s[j]++;
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1999-01-29 11:39:24 +00:00
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#endif
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2000-03-29 15:10:28 +00:00
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#ifndef PC98
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1995-04-30 22:51:05 +00:00
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if (c1->type == extended)
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ret += Write_Extended(fd, d1,old,c1);
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 22:51:05 +00:00
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if (c1->type == freebsd)
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ret += Write_FreeBSD(fd, d1,old,c1);
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1999-01-29 11:39:24 +00:00
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#ifndef __alpha__
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2000-03-29 15:10:28 +00:00
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#ifndef PC98
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1998-09-30 21:40:51 +00:00
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Write_Int32(&dp[j].dp_start, c1->offset);
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Write_Int32(&dp[j].dp_size, c1->size);
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2000-03-29 15:10:28 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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i = c1->offset;
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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dp[j].dp_ssect = dp[j].dp_ipl_sct = i % d1->bios_sect;
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i -= dp[j].dp_ssect;
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i /= d1->bios_sect;
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dp[j].dp_shd = dp[j].dp_ipl_head = i % d1->bios_hd;
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i -= dp[j].dp_shd;
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i /= d1->bios_hd;
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dp[j].dp_scyl = dp[j].dp_ipl_cyl = i;
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#else
|
1995-04-30 07:30:45 +00:00
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if (i >= 1024*d1->bios_sect*d1->bios_hd) {
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dp[j].dp_ssect = 0xff;
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dp[j].dp_shd = 0xff;
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dp[j].dp_scyl = 0xff;
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} else {
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dp[j].dp_ssect = i % d1->bios_sect;
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1995-04-30 22:51:05 +00:00
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i -= dp[j].dp_ssect++;
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1995-05-30 08:29:07 +00:00
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i /= d1->bios_sect;
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1995-04-30 07:30:45 +00:00
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dp[j].dp_shd = i % d1->bios_hd;
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i -= dp[j].dp_shd;
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i /= d1->bios_hd;
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dp[j].dp_scyl = i;
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1995-04-30 22:51:05 +00:00
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i -= dp[j].dp_scyl;
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dp[j].dp_ssect |= i >> 2;
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1995-04-30 07:30:45 +00:00
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}
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2000-03-29 15:10:28 +00:00
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#endif
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1995-05-01 04:05:27 +00:00
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1995-05-04 07:00:57 +00:00
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#ifdef DEBUG
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1995-05-30 08:29:07 +00:00
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printf("S:%lu = (%x/%x/%x)",
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1995-04-30 22:51:05 +00:00
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c1->offset,dp[j].dp_scyl,dp[j].dp_shd,dp[j].dp_ssect);
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1995-05-04 07:00:57 +00:00
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#endif
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1995-04-30 06:09:29 +00:00
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i = c1->end;
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2000-03-29 15:10:28 +00:00
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#ifdef PC98
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#if 1
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dp[j].dp_esect = dp[j].dp_ehd = 0;
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dp[j].dp_ecyl = i / (d1->bios_sect * d1->bios_hd);
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#else
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dp[j].dp_esect = i % d1->bios_sect;
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i -= dp[j].dp_esect;
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i /= d1->bios_sect;
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dp[j].dp_ehd = i % d1->bios_hd;
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i -= dp[j].dp_ehd;
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i /= d1->bios_hd;
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|
|
dp[j].dp_ecyl = i;
|
|
|
|
#endif
|
|
|
|
#else
|
1995-05-01 04:05:27 +00:00
|
|
|
dp[j].dp_esect = i % d1->bios_sect;
|
|
|
|
i -= dp[j].dp_esect++;
|
1995-05-30 08:29:07 +00:00
|
|
|
i /= d1->bios_sect;
|
1995-05-01 04:05:27 +00:00
|
|
|
dp[j].dp_ehd = i % d1->bios_hd;
|
|
|
|
i -= dp[j].dp_ehd;
|
|
|
|
i /= d1->bios_hd;
|
|
|
|
if (i>1023) i = 1023;
|
|
|
|
dp[j].dp_ecyl = i;
|
|
|
|
i -= dp[j].dp_ecyl;
|
|
|
|
dp[j].dp_esect |= i >> 2;
|
2000-03-29 15:10:28 +00:00
|
|
|
#endif
|
1995-05-01 04:05:27 +00:00
|
|
|
|
1995-05-04 07:00:57 +00:00
|
|
|
#ifdef DEBUG
|
1995-05-30 08:29:07 +00:00
|
|
|
printf(" E:%lu = (%x/%x/%x)\n",
|
1995-04-30 22:51:05 +00:00
|
|
|
c1->end,dp[j].dp_ecyl,dp[j].dp_ehd,dp[j].dp_esect);
|
1995-05-04 07:00:57 +00:00
|
|
|
#endif
|
1995-04-30 07:30:45 +00:00
|
|
|
|
2000-03-29 15:10:28 +00:00
|
|
|
#ifdef PC98
|
|
|
|
dp[j].dp_mid = c1->subtype & 0xff;
|
|
|
|
dp[j].dp_sid = c1->subtype >> 8;
|
|
|
|
if (c1->flags & CHUNK_ACTIVE)
|
|
|
|
dp[j].dp_mid |= 0x80;
|
|
|
|
|
|
|
|
strncpy(dp[j].dp_name, c1->sname, 16);
|
|
|
|
#else
|
1995-04-30 22:51:05 +00:00
|
|
|
dp[j].dp_typ = c1->subtype;
|
1995-05-04 07:00:57 +00:00
|
|
|
if (c1->flags & CHUNK_ACTIVE)
|
|
|
|
dp[j].dp_flag = 0x80;
|
|
|
|
else
|
|
|
|
dp[j].dp_flag = 0;
|
2000-03-29 15:10:28 +00:00
|
|
|
#endif
|
1999-01-29 11:39:24 +00:00
|
|
|
#endif
|
1995-04-30 06:09:29 +00:00
|
|
|
}
|
1999-01-29 11:39:24 +00:00
|
|
|
#ifndef __alpha__
|
1995-05-08 02:08:33 +00:00
|
|
|
j = 0;
|
|
|
|
for(i=0;i<NDOSPART;i++) {
|
1995-04-30 06:09:29 +00:00
|
|
|
if (!s[i])
|
|
|
|
memset(dp+i,0,sizeof *dp);
|
2000-03-29 15:10:28 +00:00
|
|
|
#ifndef PC98
|
1995-05-08 02:08:33 +00:00
|
|
|
if (dp[i].dp_flag)
|
|
|
|
j++;
|
2000-03-29 15:10:28 +00:00
|
|
|
#endif
|
1995-05-08 02:08:33 +00:00
|
|
|
}
|
2000-03-29 15:10:28 +00:00
|
|
|
#ifndef PC98
|
1995-05-08 02:08:33 +00:00
|
|
|
if (!j)
|
|
|
|
for(i=0;i<NDOSPART;i++)
|
1995-05-21 07:47:24 +00:00
|
|
|
if (dp[i].dp_typ == 0xa5)
|
1995-05-08 02:08:33 +00:00
|
|
|
dp[i].dp_flag = 0x80;
|
2000-03-29 15:10:28 +00:00
|
|
|
#endif
|
1995-05-30 08:29:07 +00:00
|
|
|
|
2000-03-29 15:10:28 +00:00
|
|
|
#ifdef PC98
|
|
|
|
mbr = read_block(fd,WHERE(1,d1));
|
|
|
|
memcpy(mbr+DOSPARTOFF,dp,sizeof *dp * NDOSPART);
|
|
|
|
/* XXX - for entire FreeBSD(98) */
|
|
|
|
for (c1 = d1->chunks->part; c1; c1 = c1->next)
|
|
|
|
if (((c1->type == freebsd) || (c1->type == fat))
|
|
|
|
&& (c1->offset == 0))
|
|
|
|
PC98_EntireDisk = 1;
|
|
|
|
if (PC98_EntireDisk == 0)
|
|
|
|
write_block(fd,WHERE(1,d1),mbr);
|
|
|
|
#else
|
1995-05-24 08:59:40 +00:00
|
|
|
mbr = read_block(fd,WHERE(0,d1));
|
1995-04-30 22:51:05 +00:00
|
|
|
if (d1->bootmgr)
|
1995-05-30 08:29:07 +00:00
|
|
|
memcpy(mbr,d1->bootmgr,DOSPARTOFF);
|
1995-04-30 22:51:05 +00:00
|
|
|
memcpy(mbr+DOSPARTOFF,dp,sizeof *dp * NDOSPART);
|
1995-04-30 07:30:45 +00:00
|
|
|
mbr[512-2] = 0x55;
|
|
|
|
mbr[512-1] = 0xaa;
|
1995-04-30 06:09:29 +00:00
|
|
|
write_block(fd,WHERE(0,d1),mbr);
|
2000-03-29 15:10:28 +00:00
|
|
|
#endif
|
1999-01-08 00:32:19 +00:00
|
|
|
#endif
|
1995-04-30 06:09:29 +00:00
|
|
|
|
1995-04-30 22:51:05 +00:00
|
|
|
i = 1;
|
|
|
|
i = ioctl(fd,DIOCSYNCSLICEINFO,&i);
|
1996-04-29 05:03:02 +00:00
|
|
|
#ifdef DEBUG
|
1995-04-30 22:51:05 +00:00
|
|
|
if (i != 0)
|
|
|
|
warn("ioctl(DIOCSYNCSLICEINFO)");
|
1996-04-29 05:03:02 +00:00
|
|
|
#endif
|
1999-05-09 11:34:58 +00:00
|
|
|
ioctl(fd, DIOCWLABEL, &zero);
|
1995-04-30 06:09:29 +00:00
|
|
|
close(fd);
|
1995-04-29 07:21:14 +00:00
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
|