Use the DIOCSYNCSLICE ioctl now. (use only with kernel from this morning).

Get the CHS's right.
Get the disklabels (more) right.
This commit is contained in:
Poul-Henning Kamp 1995-04-30 22:51:05 +00:00
parent 1ccc95ada5
commit 87d4886cc3
8 changed files with 90 additions and 86 deletions

View File

@ -25,10 +25,11 @@ data.o:
file2c 'const unsigned char boot2[] = {' '};' \
< ${BOOTS}/boot2 >> tmp.c
cc ${CFLAGS} -o data.o -c tmp.c
rm -f tmp.c
tst01: ${OBJS}
#cc ${CFLAGS} -DREADLINE -static -o tst01 ${OBJS} -lreadline -ltermcap
cc ${CFLAGS} -static -o tst01 ${OBJS}
clean:
rm -f *.o *.core tst01
rm -f *.o *.core tst01 tmp.c

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: change.c,v 1.2 1995/04/29 01:55:18 phk Exp $
* $Id: change.c,v 1.3 1995/04/29 04:00:53 phk Exp $
*
*/
@ -55,5 +55,5 @@ All_FreeBSD(struct disk *d)
goto again;
}
c=d->chunks;
Create_Chunk(d,c->offset,c->size,freebsd,0,0);
Create_Chunk(d,c->offset,c->size,freebsd,0xa5,0);
}

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: disk.c,v 1.7 1995/04/30 07:30:43 phk Exp $
* $Id: disk.c,v 1.8 1995/04/30 11:04:13 phk Exp $
*
*/
@ -99,10 +99,6 @@ Int_Open_Disk(char *name, u_long size)
if (Add_Chunk(d, 0, size, name,whole,0,0))
warn("Failed to add 'whole' chunk");
if (ds.dss_slices[COMPATIBILITY_SLICE].ds_offset)
if (Add_Chunk(d, 0, 1, "-",reserved,0,0))
warn("Failed to add MBR chunk");
for(i=BASE_SLICE;i<ds.dss_nslices;i++) {
char sname[20];
chunk_e ce;
@ -131,10 +127,7 @@ Int_Open_Disk(char *name, u_long size)
if (Add_Chunk(d,ds.dss_slices[i].ds_offset,
ds.dss_slices[i].ds_size, sname,ce,subtype,flags))
warn("failed to add chunk for slice %d",i - 1);
if (ce == extended)
if (Add_Chunk(d,ds.dss_slices[i].ds_offset,
1, "-",reserved, subtype, flags))
warn("failed to add MBR chunk for slice %d",i - 1);
if (ds.dss_slices[i].ds_type != 0xa5)
continue;
{
@ -288,9 +281,13 @@ Set_Boot_Mgr(struct disk *d, u_char *b)
{
if (d->bootmgr)
free(d->bootmgr);
d->bootmgr = malloc(DOSPARTOFF);
if(!d->bootmgr) err(1,"malloc failed");
memcpy(d->bootmgr,b,DOSPARTOFF);
if (!b) {
d->bootmgr = 0;
} else {
d->bootmgr = malloc(DOSPARTOFF);
if(!d->bootmgr) err(1,"malloc failed");
memcpy(d->bootmgr,b,DOSPARTOFF);
}
}
void

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: write_disk.c,v 1.3 1995/04/30 07:30:45 phk Exp $
* $Id: write_disk.c,v 1.4 1995/04/30 11:04:16 phk Exp $
*
*/
@ -63,7 +63,7 @@ Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1)
continue;
}
dl->d_partitions[j].p_size = c2->size;
dl->d_partitions[j].p_offset = c2->offset - c1->offset;
dl->d_partitions[j].p_offset = c2->offset;
dl->d_partitions[j].p_fstype = c2->subtype;
}
@ -83,7 +83,7 @@ Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1)
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 = 0;
dl->d_partitions[RAW_PART].p_offset = c1->offset;
dl->d_magic = DISKMAGIC;
dl->d_magic2 = DISKMAGIC;
@ -112,7 +112,7 @@ Write_Disk(struct disk *d1)
int ret = 0;
char device[64];
u_char *mbr;
struct dos_partition *dp;
struct dos_partition *dp,work[NDOSPART];
int s[4];
strcpy(device,"/dev/r");
@ -127,18 +127,22 @@ Write_Disk(struct disk *d1)
memset(s,0,sizeof s);
mbr = read_block(fd,0);
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 (c1->type == reserved) continue;
if (!strcmp(c1->name,"X")) continue;
if (c1->type == extended)
ret += Write_Extended(fd, d1,old,c1);
if (c1->type == freebsd)
ret += Write_FreeBSD(fd, d1,old,c1);
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;
@ -150,14 +154,17 @@ Write_Disk(struct disk *d1)
} else {
dp[j].dp_ssect = i % d1->bios_sect;
i -= dp[j].dp_ssect;
i -= dp[j].dp_ssect++;
i /= d1->bios_sect;
dp[j].dp_ssect++;
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;
}
printf("S:%lu = (%x/%x/%x)",
c1->offset,dp[j].dp_scyl,dp[j].dp_shd,dp[j].dp_ssect);
i = c1->end;
if (i >= 1024*d1->bios_sect*d1->bios_hd) {
@ -166,40 +173,37 @@ Write_Disk(struct disk *d1)
dp[j].dp_ecyl = 0xff;
} else {
dp[j].dp_esect = i % d1->bios_sect;
i -= dp[j].dp_esect;
i -= dp[j].dp_esect++;
i /= d1->bios_sect;
dp[j].dp_esect++;
dp[j].dp_ehd = i % d1->bios_hd;
i -= dp[j].dp_ehd;
i /= d1->bios_hd;
dp[j].dp_ecyl = i;
i -= dp[j].dp_ecyl;
dp[j].dp_esect |= i >> 2;
}
printf(" E:%lu = (%x/%x/%x)\n",
c1->end,dp[j].dp_ecyl,dp[j].dp_ehd,dp[j].dp_esect);
switch (c1->type) {
case freebsd:
dp[j].dp_typ = 0xa5;
break;
case fat:
dp[j].dp_typ = 1;
break;
case extended:
dp[j].dp_typ = 5;
break;
case foo:
dp[j].dp_typ = - c1->subtype;
break;
default:
break;
}
dp[j].dp_typ = c1->subtype;
}
for(i=0;i<NDOSPART;i++)
if (!s[i])
memset(dp+i,0,sizeof *dp);
mbr = read_block(fd,0);
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;
}

View File

@ -25,10 +25,11 @@ data.o:
file2c 'const unsigned char boot2[] = {' '};' \
< ${BOOTS}/boot2 >> tmp.c
cc ${CFLAGS} -o data.o -c tmp.c
rm -f tmp.c
tst01: ${OBJS}
#cc ${CFLAGS} -DREADLINE -static -o tst01 ${OBJS} -lreadline -ltermcap
cc ${CFLAGS} -static -o tst01 ${OBJS}
clean:
rm -f *.o *.core tst01
rm -f *.o *.core tst01 tmp.c

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: change.c,v 1.2 1995/04/29 01:55:18 phk Exp $
* $Id: change.c,v 1.3 1995/04/29 04:00:53 phk Exp $
*
*/
@ -55,5 +55,5 @@ All_FreeBSD(struct disk *d)
goto again;
}
c=d->chunks;
Create_Chunk(d,c->offset,c->size,freebsd,0,0);
Create_Chunk(d,c->offset,c->size,freebsd,0xa5,0);
}

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: disk.c,v 1.7 1995/04/30 07:30:43 phk Exp $
* $Id: disk.c,v 1.8 1995/04/30 11:04:13 phk Exp $
*
*/
@ -99,10 +99,6 @@ Int_Open_Disk(char *name, u_long size)
if (Add_Chunk(d, 0, size, name,whole,0,0))
warn("Failed to add 'whole' chunk");
if (ds.dss_slices[COMPATIBILITY_SLICE].ds_offset)
if (Add_Chunk(d, 0, 1, "-",reserved,0,0))
warn("Failed to add MBR chunk");
for(i=BASE_SLICE;i<ds.dss_nslices;i++) {
char sname[20];
chunk_e ce;
@ -131,10 +127,7 @@ Int_Open_Disk(char *name, u_long size)
if (Add_Chunk(d,ds.dss_slices[i].ds_offset,
ds.dss_slices[i].ds_size, sname,ce,subtype,flags))
warn("failed to add chunk for slice %d",i - 1);
if (ce == extended)
if (Add_Chunk(d,ds.dss_slices[i].ds_offset,
1, "-",reserved, subtype, flags))
warn("failed to add MBR chunk for slice %d",i - 1);
if (ds.dss_slices[i].ds_type != 0xa5)
continue;
{
@ -288,9 +281,13 @@ Set_Boot_Mgr(struct disk *d, u_char *b)
{
if (d->bootmgr)
free(d->bootmgr);
d->bootmgr = malloc(DOSPARTOFF);
if(!d->bootmgr) err(1,"malloc failed");
memcpy(d->bootmgr,b,DOSPARTOFF);
if (!b) {
d->bootmgr = 0;
} else {
d->bootmgr = malloc(DOSPARTOFF);
if(!d->bootmgr) err(1,"malloc failed");
memcpy(d->bootmgr,b,DOSPARTOFF);
}
}
void

View File

@ -6,7 +6,7 @@
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
* ----------------------------------------------------------------------------
*
* $Id: write_disk.c,v 1.3 1995/04/30 07:30:45 phk Exp $
* $Id: write_disk.c,v 1.4 1995/04/30 11:04:16 phk Exp $
*
*/
@ -63,7 +63,7 @@ Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1)
continue;
}
dl->d_partitions[j].p_size = c2->size;
dl->d_partitions[j].p_offset = c2->offset - c1->offset;
dl->d_partitions[j].p_offset = c2->offset;
dl->d_partitions[j].p_fstype = c2->subtype;
}
@ -83,7 +83,7 @@ Write_FreeBSD(int fd, struct disk *new, struct disk *old, struct chunk *c1)
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 = 0;
dl->d_partitions[RAW_PART].p_offset = c1->offset;
dl->d_magic = DISKMAGIC;
dl->d_magic2 = DISKMAGIC;
@ -112,7 +112,7 @@ Write_Disk(struct disk *d1)
int ret = 0;
char device[64];
u_char *mbr;
struct dos_partition *dp;
struct dos_partition *dp,work[NDOSPART];
int s[4];
strcpy(device,"/dev/r");
@ -127,18 +127,22 @@ Write_Disk(struct disk *d1)
memset(s,0,sizeof s);
mbr = read_block(fd,0);
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 (c1->type == reserved) continue;
if (!strcmp(c1->name,"X")) continue;
if (c1->type == extended)
ret += Write_Extended(fd, d1,old,c1);
if (c1->type == freebsd)
ret += Write_FreeBSD(fd, d1,old,c1);
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;
@ -150,14 +154,17 @@ Write_Disk(struct disk *d1)
} else {
dp[j].dp_ssect = i % d1->bios_sect;
i -= dp[j].dp_ssect;
i -= dp[j].dp_ssect++;
i /= d1->bios_sect;
dp[j].dp_ssect++;
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;
}
printf("S:%lu = (%x/%x/%x)",
c1->offset,dp[j].dp_scyl,dp[j].dp_shd,dp[j].dp_ssect);
i = c1->end;
if (i >= 1024*d1->bios_sect*d1->bios_hd) {
@ -166,40 +173,37 @@ Write_Disk(struct disk *d1)
dp[j].dp_ecyl = 0xff;
} else {
dp[j].dp_esect = i % d1->bios_sect;
i -= dp[j].dp_esect;
i -= dp[j].dp_esect++;
i /= d1->bios_sect;
dp[j].dp_esect++;
dp[j].dp_ehd = i % d1->bios_hd;
i -= dp[j].dp_ehd;
i /= d1->bios_hd;
dp[j].dp_ecyl = i;
i -= dp[j].dp_ecyl;
dp[j].dp_esect |= i >> 2;
}
printf(" E:%lu = (%x/%x/%x)\n",
c1->end,dp[j].dp_ecyl,dp[j].dp_ehd,dp[j].dp_esect);
switch (c1->type) {
case freebsd:
dp[j].dp_typ = 0xa5;
break;
case fat:
dp[j].dp_typ = 1;
break;
case extended:
dp[j].dp_typ = 5;
break;
case foo:
dp[j].dp_typ = - c1->subtype;
break;
default:
break;
}
dp[j].dp_typ = c1->subtype;
}
for(i=0;i<NDOSPART;i++)
if (!s[i])
memset(dp+i,0,sizeof *dp);
mbr = read_block(fd,0);
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;
}