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2009-10-16 Vladimir Serbinenko <phcoder@gmail.com>

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Let user specify OpenBSD root device.

	* loader/i386/bsd.c (openbsd_root): New variable.
	(openbsd_opts): New option 'root'.
	(OPENBSD_ROOT_ARG): New macro.
	(grub_openbsd_boot): Use 'openbsd_root'.
	(grub_cmd_openbsd): Fill 'openbsd_root'.
This commit is contained in:
phcoder 2009-10-16 20:21:12 +00:00
parent d2b6b7fc9a
commit 46695a62e6
2 changed files with 44 additions and 7 deletions
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10
ChangeLog
View file

@ -1,3 +1,13 @@
2009-10-16 Vladimir Serbinenko <phcoder@gmail.com>
Let user specify OpenBSD root device.
* loader/i386/bsd.c (openbsd_root): New variable.
(openbsd_opts): New option 'root'.
(OPENBSD_ROOT_ARG): New macro.
(grub_openbsd_boot): Use 'openbsd_root'.
(grub_cmd_openbsd): Fill 'openbsd_root'.
2009-10-16 Robert Millan <rmh.grub@aybabtu.com>
* NEWS: Misc adjustments.

41
loader/i386/bsd.c
View file

@ -58,6 +58,7 @@ static char *mod_buf;
static grub_uint32_t mod_buf_len, mod_buf_max, kern_end_mdofs;
static int is_elf_kernel, is_64bit;
static char *netbsd_root = NULL;
static grub_uint32_t openbsd_root;
static const struct grub_arg_option freebsd_opts[] =
{
@ -94,6 +95,7 @@ static const struct grub_arg_option openbsd_opts[] =
{"config", 'c', 0, "Change configured devices.", 0, 0},
{"single", 's', 0, "Boot into single mode.", 0, 0},
{"kdb", 'd', 0, "Enter in KDB on boot.", 0, 0},
{"root", 'r', 0, "Set root device.", "wdXY", ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
@ -103,6 +105,8 @@ static const grub_uint32_t openbsd_flags[] =
OPENBSD_RB_SINGLE, OPENBSD_RB_KDB, 0
};
#define OPENBSD_ROOT_ARG (ARRAY_SIZE (openbsd_flags) - 1)
static const struct grub_arg_option netbsd_opts[] =
{
{"no-smp", '1', 0, "Disable SMP.", 0, 0},
@ -565,7 +569,6 @@ grub_openbsd_boot (void)
char *buf = (char *) GRUB_BSD_TEMP_BUFFER;
struct grub_openbsd_bios_mmap *pm;
struct grub_openbsd_bootargs *pa;
grub_uint32_t bootdev, biosdev, unit, slice, part;
auto int NESTED_FUNC_ATTR hook (grub_uint64_t, grub_uint64_t, grub_uint32_t);
int NESTED_FUNC_ATTR hook (grub_uint64_t addr, grub_uint64_t size, grub_uint32_t type)
@ -614,11 +617,7 @@ grub_openbsd_boot (void)
pa->ba_type = OPENBSD_BOOTARG_END;
pa++;
grub_bsd_get_device (&biosdev, &unit, &slice, &part);
bootdev = (OPENBSD_B_DEVMAGIC + (unit << OPENBSD_B_UNITSHIFT) +
(part << OPENBSD_B_PARTSHIFT));
grub_unix_real_boot (entry, bootflags, bootdev, OPENBSD_BOOTARG_APIVER,
grub_unix_real_boot (entry, bootflags, openbsd_root, OPENBSD_BOOTARG_APIVER,
0, (grub_uint32_t) (grub_mmap_get_upper () >> 10),
(grub_uint32_t) (grub_mmap_get_lower () >> 10),
(char *) pa - buf, buf);
@ -1015,11 +1014,39 @@ grub_cmd_freebsd (grub_extcmd_t cmd, int argc, char *argv[])
static grub_err_t
grub_cmd_openbsd (grub_extcmd_t cmd, int argc, char *argv[])
{
grub_uint32_t bootdev;
kernel_type = KERNEL_TYPE_OPENBSD;
bootflags = grub_bsd_parse_flags (cmd->state, openbsd_flags);
if (cmd->state[OPENBSD_ROOT_ARG].set)
{
const char *arg = cmd->state[OPENBSD_ROOT_ARG].arg;
int unit, part;
if (*(arg++) != 'w' || *(arg++) != 'd')
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"Only device specifications of form "
"wd<number><lowercase letter> are supported.");
unit = grub_strtoul (arg, (char **) &arg, 10);
if (! (arg && *arg >= 'a' && *arg <= 'z'))
return grub_error (GRUB_ERR_BAD_ARGUMENT,
"Only device specifications of form "
"wd<number><lowercase letter> are supported.");
part = *arg - 'a';
bootdev = (OPENBSD_B_DEVMAGIC + (unit << OPENBSD_B_UNITSHIFT) +
(part << OPENBSD_B_PARTSHIFT));
}
else
bootdev = 0;
if (grub_bsd_load (argc, argv) == GRUB_ERR_NONE)
grub_loader_set (grub_openbsd_boot, grub_bsd_unload, 1);
{
grub_loader_set (grub_openbsd_boot, grub_bsd_unload, 1);
openbsd_root = bootdev;
}
return grub_errno;
}