Even More stuff. Disk_Names() is here amongst other things.
This commit is contained in:
phk
parent
d4df1f10f9
commit
d836e1b770
@ -6,7 +6,7 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: disk.c,v 1.2 1995/04/29 01:55:21 phk Exp $
|
||||
* $Id: disk.c,v 1.3 1995/04/29 04:00:55 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
#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>
|
||||
@ -64,9 +65,11 @@ Int_Open_Disk(char *name, u_long size)
|
||||
if (!size)
|
||||
size = ds.dss_slices[WHOLE_DISK_SLICE].ds_size;
|
||||
|
||||
Add_Chunk(d, 0, size, name,whole,0,0);
|
||||
if (Add_Chunk(d, 0, size, name,whole,0,0))
|
||||
warn("Failed to add 'whole' chunk");
|
||||
if (ds.dss_slices[COMPATIBILITY_SLICE].ds_offset)
|
||||
Add_Chunk(d, 0, 1, "-",reserved,0,0);
|
||||
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];
|
||||
@ -93,11 +96,13 @@ Int_Open_Disk(char *name, u_long size)
|
||||
break;
|
||||
}
|
||||
flags |= CHUNK_ALIGN;
|
||||
Add_Chunk(d,ds.dss_slices[i].ds_offset,
|
||||
ds.dss_slices[i].ds_size, sname,ce,subtype,flags);
|
||||
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)
|
||||
Add_Chunk(d,ds.dss_slices[i].ds_offset,
|
||||
1, "-",reserved, subtype, flags);
|
||||
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) {
|
||||
struct disklabel *dl;
|
||||
int j;
|
||||
@ -105,18 +110,26 @@ Int_Open_Disk(char *name, u_long size)
|
||||
dl = read_disklabel(fd,
|
||||
ds.dss_slices[i].ds_offset + LABELSECTOR);
|
||||
if(dl) {
|
||||
char pname[20];
|
||||
for(j=0; j < dl->d_npartitions; j++) {
|
||||
char pname[20];
|
||||
sprintf(pname,"%s%c",sname,j+'a');
|
||||
if (j == 2)
|
||||
if (j == 2 || j == 3)
|
||||
continue;
|
||||
if (!dl->d_partitions[j].p_size)
|
||||
continue;
|
||||
Add_Chunk(d,
|
||||
if (Add_Chunk(d,
|
||||
dl->d_partitions[j].p_offset,
|
||||
dl->d_partitions[j].p_size,
|
||||
pname,part,0,0);
|
||||
pname,part,0,0))
|
||||
warn("Failed to add chunk for partition %c",j + 'a');
|
||||
}
|
||||
sprintf(pname,"%sd",sname);
|
||||
if (!dl->d_partitions[3].p_size)
|
||||
continue;
|
||||
Add_Chunk(d,
|
||||
dl->d_partitions[3].p_offset,
|
||||
dl->d_partitions[3].p_size,
|
||||
pname,part,0,0);
|
||||
}
|
||||
free(dl);
|
||||
}
|
||||
@ -138,10 +151,11 @@ Debug_Disk(struct disk *d)
|
||||
void
|
||||
Free_Disk(struct disk *d)
|
||||
{
|
||||
if(d->chunks)
|
||||
Free_Chunk(d->chunks);
|
||||
if(d->name)
|
||||
free(d->name);
|
||||
if(d->chunks) Free_Chunk(d->chunks);
|
||||
if(d->name) free(d->name);
|
||||
if(d->bootmgr) free(d->bootmgr);
|
||||
if(d->boot1) free(d->boot1);
|
||||
if(d->boot2) free(d->boot2);
|
||||
free(d);
|
||||
}
|
||||
|
||||
@ -155,6 +169,18 @@ Clone_Disk(struct disk *d)
|
||||
*d2 = *d;
|
||||
d2->name = strdup(d2->name);
|
||||
d2->chunks = Clone_Chunk(d2->chunks);
|
||||
if(d2->bootmgr) {
|
||||
d2->bootmgr = malloc(DOSPARTOFF);
|
||||
memcpy(d2->bootmgr,d->bootmgr,DOSPARTOFF);
|
||||
}
|
||||
if(d2->boot1) {
|
||||
d2->boot1 = malloc(512);
|
||||
memcpy(d2->boot1,d->boot1,512);
|
||||
}
|
||||
if(d2->boot2) {
|
||||
d2->boot2 = malloc(512*7);
|
||||
memcpy(d2->boot2,d->boot2,512*7);
|
||||
}
|
||||
return d2;
|
||||
}
|
||||
|
||||
@ -165,3 +191,62 @@ Collapse_Disk(struct disk *d)
|
||||
while(Collapse_Chunk(d,d->chunks))
|
||||
;
|
||||
}
|
||||
|
||||
static char * device_list[] = {"wd","sd",0};
|
||||
|
||||
char **
|
||||
Disk_Names()
|
||||
{
|
||||
int i,j,k;
|
||||
char disk[25];
|
||||
char diskname[25];
|
||||
struct stat st;
|
||||
struct diskslices ds;
|
||||
int fd;
|
||||
static char **disks;
|
||||
|
||||
disks = malloc(sizeof *disks * (1 + MAX_NO_DISKS));
|
||||
memset(disks,0,sizeof *disks * (1 + MAX_NO_DISKS));
|
||||
k = 0;
|
||||
for (j = 0; device_list[j]; j++) {
|
||||
for (i = 0; i < 10; i++) {
|
||||
sprintf(diskname, "%s%d", device_list[j], i);
|
||||
sprintf(disk, "/dev/r%s", diskname);
|
||||
if (stat(disk, &st) || !(st.st_mode & S_IFCHR))
|
||||
continue;
|
||||
if ((fd = open(disk, O_RDWR)) == -1)
|
||||
continue;
|
||||
if (ioctl(fd, DIOCGSLICEINFO, &ds) == -1) {
|
||||
close(fd);
|
||||
continue;
|
||||
}
|
||||
disks[k++] = strdup(diskname);
|
||||
if(k == MAX_NO_DISKS)
|
||||
return disks;
|
||||
}
|
||||
}
|
||||
return disks;
|
||||
}
|
||||
|
||||
void
|
||||
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);
|
||||
}
|
||||
|
||||
void
|
||||
Set_Boot_Blocks(struct disk *d, u_char *b1, u_char *b2)
|
||||
{
|
||||
if (d->boot1) free(d->boot1);
|
||||
d->boot1 = malloc(512);
|
||||
if(!d->boot1) err(1,"malloc failed");
|
||||
memcpy(d->boot1,b1,512);
|
||||
if (d->boot2) free(d->boot2);
|
||||
d->boot2 = malloc(7*512);
|
||||
if(!d->boot2) err(1,"malloc failed");
|
||||
memcpy(d->boot2,b2,7*512);
|
||||
}
|
||||
|
||||
@ -6,10 +6,13 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: libdisk.h,v 1.2 1995/04/29 01:55:23 phk Exp $
|
||||
* $Id: libdisk.h,v 1.3 1995/04/29 04:00:55 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
#define MAX_NO_DISKS 20
|
||||
/* Max # of disks Disk_Names() will return */
|
||||
|
||||
typedef enum {whole, foo, fat, freebsd, extended, part, unused, reserved} chunk_e;
|
||||
|
||||
#define CHAR_N static char *chunk_n[] = { \
|
||||
@ -26,6 +29,9 @@ struct disk {
|
||||
u_long bios_cyl;
|
||||
u_long bios_hd;
|
||||
u_long bios_sect;
|
||||
u_char *bootmgr;
|
||||
u_char *boot1;
|
||||
u_char *boot2;
|
||||
struct chunk *chunks;
|
||||
};
|
||||
|
||||
@ -113,12 +119,28 @@ CheckRules(struct disk *);
|
||||
/* Return char* to warnings about broken design rules in this disklayout
|
||||
*/
|
||||
|
||||
char **
|
||||
Disk_Names();
|
||||
/* Return char** with all disk's names (wd0, wd1 ...). You must free
|
||||
* each pointer, as well as the array by hand
|
||||
*/
|
||||
|
||||
void
|
||||
Set_Boot_Mgr(struct disk *d, u_char *bootmgr);
|
||||
/* Use this boot-manager on this disk. Gets written when Write_Disk()
|
||||
* is called
|
||||
*/
|
||||
|
||||
void
|
||||
Set_Boot_Blocks(struct disk *d, u_char *boot1, u_char *boot2);
|
||||
/* Use these boot-blocks on this disk. Gets written when Write_Disk()
|
||||
* is called
|
||||
*/
|
||||
|
||||
/*
|
||||
* Implementation details >>> DO NOT USE <<<
|
||||
*/
|
||||
|
||||
struct disk *Int_Open_Disk(char *devname, u_long maxsize);
|
||||
|
||||
void Debug_Chunk(struct chunk *);
|
||||
void Free_Chunk(struct chunk *);
|
||||
struct chunk * Clone_Chunk(struct chunk *);
|
||||
@ -131,5 +153,81 @@ int Aligned(struct disk *d, u_long offset);
|
||||
u_long Next_Aligned(struct disk *d, u_long offset);
|
||||
u_long Prev_Aligned(struct disk *d, u_long offset);
|
||||
struct chunk * Find_Mother_Chunk(struct chunk *, u_long , u_long , chunk_e);
|
||||
struct disk * Int_Open_Disk(char *name, u_long size);
|
||||
|
||||
#define dprintf printf
|
||||
|
||||
/* TODO
|
||||
*
|
||||
* Need a error string mechanism from the functions instead of warn()
|
||||
*
|
||||
* Make sure only FreeBSD start at offset==0
|
||||
*
|
||||
* Make sure all MBR+extended children are aligned at create.
|
||||
*
|
||||
* Collapse must align.
|
||||
*
|
||||
* Make Write_Disk(struct disk*)
|
||||
*
|
||||
* Consider booting from OnTrack'ed disks.
|
||||
*
|
||||
* Get Bios-geom, ST506 & OnTrack from driver (or otherwise)
|
||||
*
|
||||
* Make Create_DWIM().
|
||||
*
|
||||
*
|
||||
*Sample output from tst01:
|
||||
*
|
||||
* Debug_Disk(wd0) flags=0 real_geom=0/0/0 bios_geom=0/0/0
|
||||
* >> 0x3d040 0 1411200 1411199 wd0 0 whole 0 0
|
||||
* >>>> 0x3d080 0 960120 960119 wd0s1 3 freebsd 0 8
|
||||
* >>>>>> 0x3d100 0 40960 40959 wd0s1a 5 part 0 0
|
||||
* >>>>>> 0x3d180 40960 131072 172031 wd0s1b 5 part 0 0
|
||||
* >>>>>> 0x3d1c0 172032 409600 581631 wd0s1e 5 part 0 0
|
||||
* >>>>>> 0x3d200 581632 378488 960119 wd0s1f 5 part 0 0
|
||||
* >>>> 0x3d140 960120 5670 965789 wd0s2 4 extended 0 8
|
||||
* >>>>>> 0x3d240 960120 1 960120 - 7 reserved 0 8
|
||||
* >>>>>> 0x3d2c0 960121 62 960182 - 6 unused 0 0
|
||||
* >>>>>> 0x3d0c0 960183 5607 965789 wd0s5 2 fat 0 8
|
||||
* >>>> 0x3d280 965790 1890 967679 wd0s3 1 foo -2 8
|
||||
* >>>> 0x3d300 967680 443520 1411199 wd0s4 3 freebsd 0 8
|
||||
* >>>>>> 0x3d340 967680 443520 1411199 wd0s4a 5 part 0 0
|
||||
*
|
||||
* ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
|
||||
* level chunkptr start size end name type subtype flags
|
||||
*
|
||||
* Underlying data structure:
|
||||
*
|
||||
* Legend:
|
||||
* <struct chunk> --> part
|
||||
* |
|
||||
* v next
|
||||
*
|
||||
* <wd0> --> <wd0s1> --> <wd0s1a>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1b>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1e>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1f>
|
||||
* |
|
||||
* v
|
||||
* <wd0s2> --> <reserved>
|
||||
* | |
|
||||
* | v
|
||||
* | <unused>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s5>
|
||||
* |
|
||||
* v
|
||||
* <wd0s3>
|
||||
* |
|
||||
* v
|
||||
* <wd0s4> --> <wd0s4a>
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: tst01.c,v 1.2 1995/04/29 01:55:25 phk Exp $
|
||||
* $Id: tst01.c,v 1.3 1995/04/29 04:00:57 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
@ -24,7 +24,7 @@ CHAR_N;
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
struct disk *d,*db;
|
||||
struct disk *d;
|
||||
char myprompt[BUFSIZ];
|
||||
char *p,*q=0;
|
||||
char **cp,*cmds[200];
|
||||
@ -95,18 +95,14 @@ main(int argc, char **argv)
|
||||
Collapse_Disk(d);
|
||||
continue;
|
||||
}
|
||||
if (!strcasecmp(*cmds,"read")) {
|
||||
db=d;
|
||||
if (cmds[1])
|
||||
d = Open_Disk(cmds[1]);
|
||||
else
|
||||
d = Open_Disk(db->name);
|
||||
if (!d) {
|
||||
fprintf(stderr,"Failed to open %s\n",argv[1]);
|
||||
d = db;
|
||||
} else {
|
||||
Free_Disk(db);
|
||||
}
|
||||
if (!strcasecmp(*cmds,"list")) {
|
||||
cp = Disk_Names();
|
||||
printf("Disks:");
|
||||
for(i=0;cp[i];i++) {
|
||||
printf(" %s",cp[i]);
|
||||
free(cp[i]);
|
||||
}
|
||||
free(cp);
|
||||
continue;
|
||||
}
|
||||
if (!strcasecmp(*cmds,"create") && ncmd == 6) {
|
||||
@ -128,6 +124,7 @@ main(int argc, char **argv)
|
||||
printf("\tcollapse [pointer]\n");
|
||||
printf("\tcreate offset size enum subtype flags\n");
|
||||
printf("\tdelete pointer\n");
|
||||
printf("\tlist\n");
|
||||
printf("\tphys cyl hd sect\n");
|
||||
printf("\tquit\n");
|
||||
printf("\tread [disk]\n");
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: disk.c,v 1.2 1995/04/29 01:55:21 phk Exp $
|
||||
* $Id: disk.c,v 1.3 1995/04/29 04:00:55 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
@ -17,6 +17,7 @@
|
||||
#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>
|
||||
@ -64,9 +65,11 @@ Int_Open_Disk(char *name, u_long size)
|
||||
if (!size)
|
||||
size = ds.dss_slices[WHOLE_DISK_SLICE].ds_size;
|
||||
|
||||
Add_Chunk(d, 0, size, name,whole,0,0);
|
||||
if (Add_Chunk(d, 0, size, name,whole,0,0))
|
||||
warn("Failed to add 'whole' chunk");
|
||||
if (ds.dss_slices[COMPATIBILITY_SLICE].ds_offset)
|
||||
Add_Chunk(d, 0, 1, "-",reserved,0,0);
|
||||
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];
|
||||
@ -93,11 +96,13 @@ Int_Open_Disk(char *name, u_long size)
|
||||
break;
|
||||
}
|
||||
flags |= CHUNK_ALIGN;
|
||||
Add_Chunk(d,ds.dss_slices[i].ds_offset,
|
||||
ds.dss_slices[i].ds_size, sname,ce,subtype,flags);
|
||||
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)
|
||||
Add_Chunk(d,ds.dss_slices[i].ds_offset,
|
||||
1, "-",reserved, subtype, flags);
|
||||
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) {
|
||||
struct disklabel *dl;
|
||||
int j;
|
||||
@ -105,18 +110,26 @@ Int_Open_Disk(char *name, u_long size)
|
||||
dl = read_disklabel(fd,
|
||||
ds.dss_slices[i].ds_offset + LABELSECTOR);
|
||||
if(dl) {
|
||||
char pname[20];
|
||||
for(j=0; j < dl->d_npartitions; j++) {
|
||||
char pname[20];
|
||||
sprintf(pname,"%s%c",sname,j+'a');
|
||||
if (j == 2)
|
||||
if (j == 2 || j == 3)
|
||||
continue;
|
||||
if (!dl->d_partitions[j].p_size)
|
||||
continue;
|
||||
Add_Chunk(d,
|
||||
if (Add_Chunk(d,
|
||||
dl->d_partitions[j].p_offset,
|
||||
dl->d_partitions[j].p_size,
|
||||
pname,part,0,0);
|
||||
pname,part,0,0))
|
||||
warn("Failed to add chunk for partition %c",j + 'a');
|
||||
}
|
||||
sprintf(pname,"%sd",sname);
|
||||
if (!dl->d_partitions[3].p_size)
|
||||
continue;
|
||||
Add_Chunk(d,
|
||||
dl->d_partitions[3].p_offset,
|
||||
dl->d_partitions[3].p_size,
|
||||
pname,part,0,0);
|
||||
}
|
||||
free(dl);
|
||||
}
|
||||
@ -138,10 +151,11 @@ Debug_Disk(struct disk *d)
|
||||
void
|
||||
Free_Disk(struct disk *d)
|
||||
{
|
||||
if(d->chunks)
|
||||
Free_Chunk(d->chunks);
|
||||
if(d->name)
|
||||
free(d->name);
|
||||
if(d->chunks) Free_Chunk(d->chunks);
|
||||
if(d->name) free(d->name);
|
||||
if(d->bootmgr) free(d->bootmgr);
|
||||
if(d->boot1) free(d->boot1);
|
||||
if(d->boot2) free(d->boot2);
|
||||
free(d);
|
||||
}
|
||||
|
||||
@ -155,6 +169,18 @@ Clone_Disk(struct disk *d)
|
||||
*d2 = *d;
|
||||
d2->name = strdup(d2->name);
|
||||
d2->chunks = Clone_Chunk(d2->chunks);
|
||||
if(d2->bootmgr) {
|
||||
d2->bootmgr = malloc(DOSPARTOFF);
|
||||
memcpy(d2->bootmgr,d->bootmgr,DOSPARTOFF);
|
||||
}
|
||||
if(d2->boot1) {
|
||||
d2->boot1 = malloc(512);
|
||||
memcpy(d2->boot1,d->boot1,512);
|
||||
}
|
||||
if(d2->boot2) {
|
||||
d2->boot2 = malloc(512*7);
|
||||
memcpy(d2->boot2,d->boot2,512*7);
|
||||
}
|
||||
return d2;
|
||||
}
|
||||
|
||||
@ -165,3 +191,62 @@ Collapse_Disk(struct disk *d)
|
||||
while(Collapse_Chunk(d,d->chunks))
|
||||
;
|
||||
}
|
||||
|
||||
static char * device_list[] = {"wd","sd",0};
|
||||
|
||||
char **
|
||||
Disk_Names()
|
||||
{
|
||||
int i,j,k;
|
||||
char disk[25];
|
||||
char diskname[25];
|
||||
struct stat st;
|
||||
struct diskslices ds;
|
||||
int fd;
|
||||
static char **disks;
|
||||
|
||||
disks = malloc(sizeof *disks * (1 + MAX_NO_DISKS));
|
||||
memset(disks,0,sizeof *disks * (1 + MAX_NO_DISKS));
|
||||
k = 0;
|
||||
for (j = 0; device_list[j]; j++) {
|
||||
for (i = 0; i < 10; i++) {
|
||||
sprintf(diskname, "%s%d", device_list[j], i);
|
||||
sprintf(disk, "/dev/r%s", diskname);
|
||||
if (stat(disk, &st) || !(st.st_mode & S_IFCHR))
|
||||
continue;
|
||||
if ((fd = open(disk, O_RDWR)) == -1)
|
||||
continue;
|
||||
if (ioctl(fd, DIOCGSLICEINFO, &ds) == -1) {
|
||||
close(fd);
|
||||
continue;
|
||||
}
|
||||
disks[k++] = strdup(diskname);
|
||||
if(k == MAX_NO_DISKS)
|
||||
return disks;
|
||||
}
|
||||
}
|
||||
return disks;
|
||||
}
|
||||
|
||||
void
|
||||
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);
|
||||
}
|
||||
|
||||
void
|
||||
Set_Boot_Blocks(struct disk *d, u_char *b1, u_char *b2)
|
||||
{
|
||||
if (d->boot1) free(d->boot1);
|
||||
d->boot1 = malloc(512);
|
||||
if(!d->boot1) err(1,"malloc failed");
|
||||
memcpy(d->boot1,b1,512);
|
||||
if (d->boot2) free(d->boot2);
|
||||
d->boot2 = malloc(7*512);
|
||||
if(!d->boot2) err(1,"malloc failed");
|
||||
memcpy(d->boot2,b2,7*512);
|
||||
}
|
||||
|
||||
@ -6,10 +6,13 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: libdisk.h,v 1.2 1995/04/29 01:55:23 phk Exp $
|
||||
* $Id: libdisk.h,v 1.3 1995/04/29 04:00:55 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
#define MAX_NO_DISKS 20
|
||||
/* Max # of disks Disk_Names() will return */
|
||||
|
||||
typedef enum {whole, foo, fat, freebsd, extended, part, unused, reserved} chunk_e;
|
||||
|
||||
#define CHAR_N static char *chunk_n[] = { \
|
||||
@ -26,6 +29,9 @@ struct disk {
|
||||
u_long bios_cyl;
|
||||
u_long bios_hd;
|
||||
u_long bios_sect;
|
||||
u_char *bootmgr;
|
||||
u_char *boot1;
|
||||
u_char *boot2;
|
||||
struct chunk *chunks;
|
||||
};
|
||||
|
||||
@ -113,12 +119,28 @@ CheckRules(struct disk *);
|
||||
/* Return char* to warnings about broken design rules in this disklayout
|
||||
*/
|
||||
|
||||
char **
|
||||
Disk_Names();
|
||||
/* Return char** with all disk's names (wd0, wd1 ...). You must free
|
||||
* each pointer, as well as the array by hand
|
||||
*/
|
||||
|
||||
void
|
||||
Set_Boot_Mgr(struct disk *d, u_char *bootmgr);
|
||||
/* Use this boot-manager on this disk. Gets written when Write_Disk()
|
||||
* is called
|
||||
*/
|
||||
|
||||
void
|
||||
Set_Boot_Blocks(struct disk *d, u_char *boot1, u_char *boot2);
|
||||
/* Use these boot-blocks on this disk. Gets written when Write_Disk()
|
||||
* is called
|
||||
*/
|
||||
|
||||
/*
|
||||
* Implementation details >>> DO NOT USE <<<
|
||||
*/
|
||||
|
||||
struct disk *Int_Open_Disk(char *devname, u_long maxsize);
|
||||
|
||||
void Debug_Chunk(struct chunk *);
|
||||
void Free_Chunk(struct chunk *);
|
||||
struct chunk * Clone_Chunk(struct chunk *);
|
||||
@ -131,5 +153,81 @@ int Aligned(struct disk *d, u_long offset);
|
||||
u_long Next_Aligned(struct disk *d, u_long offset);
|
||||
u_long Prev_Aligned(struct disk *d, u_long offset);
|
||||
struct chunk * Find_Mother_Chunk(struct chunk *, u_long , u_long , chunk_e);
|
||||
struct disk * Int_Open_Disk(char *name, u_long size);
|
||||
|
||||
#define dprintf printf
|
||||
|
||||
/* TODO
|
||||
*
|
||||
* Need a error string mechanism from the functions instead of warn()
|
||||
*
|
||||
* Make sure only FreeBSD start at offset==0
|
||||
*
|
||||
* Make sure all MBR+extended children are aligned at create.
|
||||
*
|
||||
* Collapse must align.
|
||||
*
|
||||
* Make Write_Disk(struct disk*)
|
||||
*
|
||||
* Consider booting from OnTrack'ed disks.
|
||||
*
|
||||
* Get Bios-geom, ST506 & OnTrack from driver (or otherwise)
|
||||
*
|
||||
* Make Create_DWIM().
|
||||
*
|
||||
*
|
||||
*Sample output from tst01:
|
||||
*
|
||||
* Debug_Disk(wd0) flags=0 real_geom=0/0/0 bios_geom=0/0/0
|
||||
* >> 0x3d040 0 1411200 1411199 wd0 0 whole 0 0
|
||||
* >>>> 0x3d080 0 960120 960119 wd0s1 3 freebsd 0 8
|
||||
* >>>>>> 0x3d100 0 40960 40959 wd0s1a 5 part 0 0
|
||||
* >>>>>> 0x3d180 40960 131072 172031 wd0s1b 5 part 0 0
|
||||
* >>>>>> 0x3d1c0 172032 409600 581631 wd0s1e 5 part 0 0
|
||||
* >>>>>> 0x3d200 581632 378488 960119 wd0s1f 5 part 0 0
|
||||
* >>>> 0x3d140 960120 5670 965789 wd0s2 4 extended 0 8
|
||||
* >>>>>> 0x3d240 960120 1 960120 - 7 reserved 0 8
|
||||
* >>>>>> 0x3d2c0 960121 62 960182 - 6 unused 0 0
|
||||
* >>>>>> 0x3d0c0 960183 5607 965789 wd0s5 2 fat 0 8
|
||||
* >>>> 0x3d280 965790 1890 967679 wd0s3 1 foo -2 8
|
||||
* >>>> 0x3d300 967680 443520 1411199 wd0s4 3 freebsd 0 8
|
||||
* >>>>>> 0x3d340 967680 443520 1411199 wd0s4a 5 part 0 0
|
||||
*
|
||||
* ^ ^ ^ ^ ^ ^ ^ ^ ^ ^
|
||||
* level chunkptr start size end name type subtype flags
|
||||
*
|
||||
* Underlying data structure:
|
||||
*
|
||||
* Legend:
|
||||
* <struct chunk> --> part
|
||||
* |
|
||||
* v next
|
||||
*
|
||||
* <wd0> --> <wd0s1> --> <wd0s1a>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1b>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1e>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s1f>
|
||||
* |
|
||||
* v
|
||||
* <wd0s2> --> <reserved>
|
||||
* | |
|
||||
* | v
|
||||
* | <unused>
|
||||
* | |
|
||||
* | v
|
||||
* | <wd0s5>
|
||||
* |
|
||||
* v
|
||||
* <wd0s3>
|
||||
* |
|
||||
* v
|
||||
* <wd0s4> --> <wd0s4a>
|
||||
*
|
||||
*
|
||||
*/
|
||||
|
||||
@ -6,7 +6,7 @@
|
||||
* this stuff is worth it, you can buy me a beer in return. Poul-Henning Kamp
|
||||
* ----------------------------------------------------------------------------
|
||||
*
|
||||
* $Id: tst01.c,v 1.2 1995/04/29 01:55:25 phk Exp $
|
||||
* $Id: tst01.c,v 1.3 1995/04/29 04:00:57 phk Exp $
|
||||
*
|
||||
*/
|
||||
|
||||
@ -24,7 +24,7 @@ CHAR_N;
|
||||
int
|
||||
main(int argc, char **argv)
|
||||
{
|
||||
struct disk *d,*db;
|
||||
struct disk *d;
|
||||
char myprompt[BUFSIZ];
|
||||
char *p,*q=0;
|
||||
char **cp,*cmds[200];
|
||||
@ -95,18 +95,14 @@ main(int argc, char **argv)
|
||||
Collapse_Disk(d);
|
||||
continue;
|
||||
}
|
||||
if (!strcasecmp(*cmds,"read")) {
|
||||
db=d;
|
||||
if (cmds[1])
|
||||
d = Open_Disk(cmds[1]);
|
||||
else
|
||||
d = Open_Disk(db->name);
|
||||
if (!d) {
|
||||
fprintf(stderr,"Failed to open %s\n",argv[1]);
|
||||
d = db;
|
||||
} else {
|
||||
Free_Disk(db);
|
||||
}
|
||||
if (!strcasecmp(*cmds,"list")) {
|
||||
cp = Disk_Names();
|
||||
printf("Disks:");
|
||||
for(i=0;cp[i];i++) {
|
||||
printf(" %s",cp[i]);
|
||||
free(cp[i]);
|
||||
}
|
||||
free(cp);
|
||||
continue;
|
||||
}
|
||||
if (!strcasecmp(*cmds,"create") && ncmd == 6) {
|
||||
@ -128,6 +124,7 @@ main(int argc, char **argv)
|
||||
printf("\tcollapse [pointer]\n");
|
||||
printf("\tcreate offset size enum subtype flags\n");
|
||||
printf("\tdelete pointer\n");
|
||||
printf("\tlist\n");
|
||||
printf("\tphys cyl hd sect\n");
|
||||
printf("\tquit\n");
|
||||
printf("\tread [disk]\n");
|
||||
|
||||
Loading…
Reference in New Issue
Block a user