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Turn Write_Disk() into a stub for now. It needs to be rewritten to

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write out a GPT and not a MBR.
This commit is contained in:
Marcel Moolenaar 2003-11-02 08:41:18 +00:00
parent f5ea9b34c6
commit 0d7c0ed330
1 changed files with 2 additions and 149 deletions
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151
lib/libdisk/write_ia64_disk.c
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@ -22,157 +22,10 @@ __FBSDID("$FreeBSD$");
#include <paths.h>
#include "libdisk.h"
/*
* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
* I'm not sure which, so I leave it like it worked before. --schweikh
*/
static int
Write_FreeBSD(int fd, const struct disk *new, const struct chunk *c1)
{
struct disklabel *dl;
int i;
void *p;
u_char buf[BBSIZE];
for (i = 0; i < BBSIZE/512; i++) {
p = read_block(fd, i + c1->offset, 512);
if (p == NULL)
return (1);
memcpy(buf + 512 * i, p, 512);
free(p);
}
dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
Fill_Disklabel(dl, new, c1);
for (i = 0; i < BBSIZE / 512; i++) {
if (write_block(fd, i + c1->offset, buf + 512 * i, 512) != 0)
return (1);
}
return (0);
}
static void
Write_Int32(u_int32_t *p, u_int32_t v)
{
u_int8_t *bp = (u_int8_t *)p;
bp[0] = (v >> 0) & 0xff;
bp[1] = (v >> 8) & 0xff;
bp[2] = (v >> 16) & 0xff;
bp[3] = (v >> 24) & 0xff;
}
int
Write_Disk(const struct disk *d1)
{
struct chunk *c1;
char device[64];
u_char *mbr;
struct dos_partition *dp, work[NDOSPART];
int s[4];
int fd, i, j, ret;
strcpy(device, _PATH_DEV);
strcat(device, d1->name);
fd = open(device, O_RDWR);
if (fd < 0)
return (1);
memset(s, 0, sizeof(s));
mbr = read_block(fd, 0, 512);
if (mbr == NULL)
goto fail;
dp = (struct dos_partition *)(mbr + DOSPARTOFF);
memcpy(work, dp, sizeof(work));
dp = work;
free(mbr);
ret = 0;
for (c1 = d1->chunks->part; c1; c1 = c1->next) {
if (c1->type == unused || !strcmp(c1->name, "X"))
continue;
j = c1->name[strlen(d1->name) + 1] - '1';
if (j < 0 || j > 3)
continue;
s[j]++;
if (c1->type == freebsd)
ret += Write_FreeBSD(fd, d1, c1);
Write_Int32(&dp[j].dp_start, c1->offset);
Write_Int32(&dp[j].dp_size, c1->size);
i = 1024 * d1->bios_sect * d1->bios_hd;
if (i == 0 || c1->offset >= i) {
/* Start */
dp[j].dp_ssect = 0xff;
dp[j].dp_shd = 0xff;
dp[j].dp_scyl = 0xff;
/* End */
dp[j].dp_esect = 0xff;
dp[j].dp_ehd = 0xff;
dp[j].dp_ecyl = 0xff;
} else {
/* Start */
i = c1->offset;
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;
/* End */
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;
dp[j].dp_ecyl = i;
i -= dp[j].dp_ecyl;
dp[j].dp_esect |= i >> 2;
}
#ifdef DEBUG
printf("S:%lu = (%x/%x/%x) E:%lu = (%x/%x/%x)\n", c1->offset,
dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect, 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;
}
for (i = 0; i < NDOSPART; i++) {
if (!s[i])
memset(dp + i, 0, sizeof(*dp));
}
mbr = read_block(fd, 0, d1->sector_size);
if (mbr == NULL)
goto fail;
memcpy(mbr + DOSPARTOFF, dp, sizeof(*dp) * NDOSPART);
mbr[512-2] = 0x55;
mbr[512-1] = 0xaa;
ret += write_block(fd, 0, mbr, 512);
free(mbr);
if (ret != 0)
goto fail;
close(fd);
Debug_Disk((struct disk *)(intptr_t)d1);
abort();
return (0);
fail:
close(fd);
return (1);
}