diff options
author | jkh <jkh@FreeBSD.org> | 1996-04-26 19:27:47 +0000 |
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committer | jkh <jkh@FreeBSD.org> | 1996-04-26 19:27:47 +0000 |
commit | 9ba7f10d63b895b50adf4e81b774fd960385ad4c (patch) | |
tree | 652bf797f70170b35bf015dcfab55a1e0b4b451b /release/libdisk/write_disk.c | |
parent | b5930c77886c89cfe167219677a5514103e4dfd5 (diff) | |
download | FreeBSD-src-9ba7f10d63b895b50adf4e81b774fd960385ad4c.zip FreeBSD-src-9ba7f10d63b895b50adf4e81b774fd960385ad4c.tar.gz |
Remove libdisk from the old location.
Diffstat (limited to 'release/libdisk/write_disk.c')
-rw-r--r-- | release/libdisk/write_disk.c | 233 |
1 files changed, 0 insertions, 233 deletions
diff --git a/release/libdisk/write_disk.c b/release/libdisk/write_disk.c deleted file mode 100644 index 00b2946..0000000 --- a/release/libdisk/write_disk.c +++ /dev/null @@ -1,233 +0,0 @@ -/* - * ---------------------------------------------------------------------------- - * "THE BEER-WARE LICENSE" (Revision 42): - * <phk@login.dknet.dk> wrote this file. As long as you retain this notice you - * can do whatever you want with this stuff. If we meet some day, and you think - * this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp - * ---------------------------------------------------------------------------- - * - * $Id: write_disk.c,v 1.15 1995/08/26 04:57:03 davidg Exp $ - * - */ - -#include <stdio.h> -#include <stdlib.h> -#include <unistd.h> -#include <fcntl.h> -#include <string.h> -#include <err.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <sys/ioctl.h> -#include <sys/disklabel.h> -#include <sys/diskslice.h> -#include "libdisk.h" - -#define DOSPTYP_EXTENDED 5 -#define BBSIZE 8192 -#define SBSIZE 8192 -#define DEF_RPM 3600 -#define DEF_INTERLEAVE 1 - -#define WHERE(offset,disk) (disk->flags & DISK_ON_TRACK ? offset + 63 : offset) -int -Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1) -{ - struct disklabel *dl; - struct chunk *c2; - int i,j; - void *p; - u_char buf[BBSIZE]; - - for(i=0;i<BBSIZE/512;i++) { - p = read_block(fd,WHERE(i + c1->offset,new)); - memcpy(buf+512*i,p,512); - free(p); - } - if(new->boot1) - memcpy(buf,new->boot1,512); - - if(new->boot2) - memcpy(buf+512,new->boot2,BBSIZE-512); - - dl = (struct disklabel *) (buf+512*LABELSECTOR+LABELOFFSET); - memset(dl,0,sizeof *dl); - - for(c2=c1->part;c2;c2=c2->next) { - if (c2->type == unused) continue; - if (!strcmp(c2->name,"X")) continue; - j = c2->name[5] - 'a'; - if (j < 0 || j >= MAXPARTITIONS || j == RAW_PART) { - warn("Weird parititon letter %c",c2->name[5]); - continue; - } - dl->d_partitions[j].p_size = c2->size; - dl->d_partitions[j].p_offset = c2->offset; - dl->d_partitions[j].p_fstype = c2->subtype; - } - - dl->d_bbsize = BBSIZE; - /* - * Add in defaults for superblock size, interleave, and rpms - */ - dl->d_sbsize = SBSIZE; - dl->d_interleave = DEF_INTERLEAVE; - dl->d_rpm = DEF_RPM; - - strcpy(dl->d_typename,c1->name); - - dl->d_secsize = 512; - dl->d_secperunit = new->chunks->size; -#if 0 - dl->d_ncylinders = new->real_cyl ? new->real_cyl : new->bios_cyl; - dl->d_ntracks = new->real_hd ? new->real_hd : new->bios_hd; - dl->d_nsectors = new->real_sect ? new->real_sect : new->bios_sect; -#else - dl->d_ncylinders = new->bios_cyl; - dl->d_ntracks = new->bios_hd; - dl->d_nsectors = new->bios_sect; -#endif - dl->d_secpercyl = dl->d_ntracks * dl->d_nsectors; - - dl->d_npartitions = MAXPARTITIONS; - - dl->d_type = new->name[0] == 's' ? DTYPE_SCSI : DTYPE_ESDI; - dl->d_partitions[RAW_PART].p_size = c1->size; - dl->d_partitions[RAW_PART].p_offset = c1->offset; - - if(new->flags & DISK_ON_TRACK) - for(i=0;i<MAXPARTITIONS;i++) - if (dl->d_partitions[i].p_size) - dl->d_partitions[i].p_offset += 63; - dl->d_magic = DISKMAGIC; - dl->d_magic2 = DISKMAGIC; - dl->d_checksum = dkcksum(dl); - - for(i=0;i<BBSIZE/512;i++) { - write_block(fd,WHERE(i + c1->offset,new),buf+512*i); - } - - return 0; -} - -int -Write_Extended(int fd, struct disk *new, struct disk *old, struct chunk *c1) -{ - return 0; -} - -int -Write_Disk(struct disk *d1) -{ - int fd,i,j; - struct disk *old = 0; - struct chunk *c1; - int ret = 0; - char device[64]; - u_char *mbr; - struct dos_partition *dp,work[NDOSPART]; - int s[4]; - - strcpy(device,"/dev/r"); - strcat(device,d1->name); - - fd = open(device,O_RDWR); - if (fd < 0) { - warn("open(%s) failed",device); - return 1; - } - - memset(s,0,sizeof s); - mbr = read_block(fd,WHERE(0,d1)); - dp = (struct dos_partition*) (mbr + DOSPARTOFF); - memcpy(work,dp,sizeof work); - dp = work; - free(mbr); - for (c1=d1->chunks->part; c1 ; c1 = c1->next) { - if (c1->type == unused) continue; - if (!strcmp(c1->name,"X")) continue; - j = c1->name[4] - '1'; - if (j < 0 || j > 3) - continue; - s[j]++; - if (c1->type == extended) - ret += Write_Extended(fd, d1,old,c1); - if (c1->type == freebsd) - ret += Write_FreeBSD(fd, d1,old,c1); - - dp[j].dp_start = c1->offset; - dp[j].dp_size = c1->size; - - i = c1->offset; - if (i >= 1024*d1->bios_sect*d1->bios_hd) { - dp[j].dp_ssect = 0xff; - dp[j].dp_shd = 0xff; - dp[j].dp_scyl = 0xff; - } else { - dp[j].dp_ssect = i % d1->bios_sect; - i -= dp[j].dp_ssect++; - i /= d1->bios_sect; - dp[j].dp_shd = i % d1->bios_hd; - i -= dp[j].dp_shd; - i /= d1->bios_hd; - dp[j].dp_scyl = i; - i -= dp[j].dp_scyl; - dp[j].dp_ssect |= i >> 2; - } - -#ifdef DEBUG - printf("S:%lu = (%x/%x/%x)", - c1->offset,dp[j].dp_scyl,dp[j].dp_shd,dp[j].dp_ssect); -#endif - - i = c1->end; - dp[j].dp_esect = i % d1->bios_sect; - i -= dp[j].dp_esect++; - i /= d1->bios_sect; - 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; - -#ifdef DEBUG - printf(" E:%lu = (%x/%x/%x)\n", - c1->end,dp[j].dp_ecyl,dp[j].dp_ehd,dp[j].dp_esect); -#endif - - dp[j].dp_typ = c1->subtype; - if (c1->flags & CHUNK_ACTIVE) - dp[j].dp_flag = 0x80; - else - dp[j].dp_flag = 0; - } - j = 0; - for(i=0;i<NDOSPART;i++) { - if (!s[i]) - memset(dp+i,0,sizeof *dp); - if (dp[i].dp_flag) - j++; - } - if (!j) - for(i=0;i<NDOSPART;i++) - if (dp[i].dp_typ == 0xa5) - dp[i].dp_flag = 0x80; - - mbr = read_block(fd,WHERE(0,d1)); - if (d1->bootmgr) - memcpy(mbr,d1->bootmgr,DOSPARTOFF); - memcpy(mbr+DOSPARTOFF,dp,sizeof *dp * NDOSPART); - mbr[512-2] = 0x55; - mbr[512-1] = 0xaa; - write_block(fd,WHERE(0,d1),mbr); - - i = 1; - i = ioctl(fd,DIOCSYNCSLICEINFO,&i); - if (i != 0) - warn("ioctl(DIOCSYNCSLICEINFO)"); - close(fd); - return 0; -} - |