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Initial integration of hints

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This commit is contained in:
Vladimir 'phcoder' Serbinenko 2011-12-23 18:19:16 +01:00
parent 9a79fcf2c9
commit 6babad5e59
11 changed files with 489 additions and 106 deletions
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114
grub-core/commands/search_wrap.c
View file

@ -42,6 +42,21 @@ static const struct grub_arg_option options[] =
{"hint", 'h', GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{"hint-ieee1275", 0, GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT if on IEEE1275. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{"hint-bios", 0, GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT if on BIOS. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{"hint-baremetal", 0, GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{"hint-efi", 0, GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT if on EFI. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{"hint-arc", 0, GRUB_ARG_OPTION_REPEATABLE,
N_("First try the device HINT if on ARC. If HINT ends in comma, "
"also try subpartitions"), N_("HINT"), ARG_TYPE_STRING},
{0, 0, 0, 0, 0, 0}
};
@ -52,7 +67,12 @@ enum options
SEARCH_FS_UUID,
SEARCH_SET,
SEARCH_NO_FLOPPY,
SEARCH_HINT
SEARCH_HINT,
SEARCH_HINT_IEEE1275,
SEARCH_HINT_BIOS,
SEARCH_HINT_BAREMETAL,
SEARCH_HINT_EFI,
SEARCH_HINT_ARC,
};
static grub_err_t
@ -60,27 +80,98 @@ grub_cmd_search (grub_extcmd_context_t ctxt, int argc, char **args)
{
struct grub_arg_list *state = ctxt->state;
const char *var = 0;
int nhints = 0;
int i = 0, j = 0, nhints = 0;
char **hints = NULL;
if (state[SEARCH_HINT].set)
while (state[SEARCH_HINT].args[nhints])
for (i = 0; state[SEARCH_HINT].args[i]; i++)
nhints++;
if (argc == 0)
#ifdef GRUB_MACHINE_IEEE1275
if (state[SEARCH_HINT_IEEE1275].set)
for (i = 0; state[SEARCH_HINT_IEEE1275].args[i]; i++)
nhints++;
#endif
#ifdef GRUB_MACHINE_EFI
if (state[SEARCH_HINT_EFI].set)
for (i = 0; state[SEARCH_HINT_EFI].args[i]; i++)
nhints++;
#endif
#ifdef GRUB_MACHINE_PCBIOS
if (state[SEARCH_HINT_BIOS].set)
for (i = 0; state[SEARCH_HINT_BIOS].args[i]; i++)
nhints++;
#endif
#ifdef GRUB_MACHINE_ARC
if (state[SEARCH_HINT_ARC].set)
for (i = 0; state[SEARCH_HINT_ARC].args[i]; i++)
nhints++;
#endif
if (state[SEARCH_HINT_BAREMETAL].set)
for (i = 0; state[SEARCH_HINT_BAREMETAL].args[i]; i++)
nhints++;
hints = grub_malloc (sizeof (hints[0]) * nhints);
if (!hints)
return grub_errno;
j = 0;
if (state[SEARCH_HINT].set)
for (i = 0; state[SEARCH_HINT].args[i]; i++)
hints[j++] = state[SEARCH_HINT].args[i];
#ifdef GRUB_MACHINE_IEEE1275
if (state[SEARCH_HINT_IEEE1275].set)
for (i = 0; state[SEARCH_HINT_IEEE1275].args[i]; i++)
hints[j++] = state[SEARCH_HINT_IEEE1275].args[i];
#endif
#ifdef GRUB_MACHINE_EFI
if (state[SEARCH_HINT_EFI].set)
for (i = 0; state[SEARCH_HINT_EFI].args[i]; i++)
hints[j++] = state[SEARCH_HINT_EFI].args[i];
#endif
#ifdef GRUB_MACHINE_ARC
if (state[SEARCH_HINT_ARC].set)
for (i = 0; state[SEARCH_HINT_ARC].args[i]; i++)
hints[j++] = state[SEARCH_HINT_ARC].args[i];
#endif
#ifdef GRUB_MACHINE_PCBIOS
if (state[SEARCH_HINT_BIOS].set)
for (i = 0; state[SEARCH_HINT_BIOS].args[i]; i++)
hints[j++] = state[SEARCH_HINT_BIOS].args[i];
#endif
if (state[SEARCH_HINT_BAREMETAL].set)
for (i = 0; state[SEARCH_HINT_BAREMETAL].args[i]; i++)
hints[j++] = state[SEARCH_HINT_BAREMETAL].args[i];
/* Skip hints for future platforms. */
for (j = 0; j < argc; j++)
if (grub_memcmp (args[j], "--hint-", sizeof ("--hint-") - 1) != 0)
break;
if (argc == j)
return grub_error (GRUB_ERR_BAD_ARGUMENT, "no argument specified");
if (state[SEARCH_SET].set)
var = state[SEARCH_SET].arg ? state[SEARCH_SET].arg : "root";
if (state[SEARCH_LABEL].set)
grub_search_label (args[0], var, state[SEARCH_NO_FLOPPY].set,
state[SEARCH_HINT].args, nhints);
grub_search_label (args[j], var, state[SEARCH_NO_FLOPPY].set,
hints, nhints);
else if (state[SEARCH_FS_UUID].set)
grub_search_fs_uuid (args[0], var, state[SEARCH_NO_FLOPPY].set,
state[SEARCH_HINT].args, nhints);
grub_search_fs_uuid (args[j], var, state[SEARCH_NO_FLOPPY].set,
hints, nhints);
else if (state[SEARCH_FILE].set)
grub_search_fs_file (args[0], var, state[SEARCH_NO_FLOPPY].set,
state[SEARCH_HINT].args, nhints);
grub_search_fs_file (args[j], var, state[SEARCH_NO_FLOPPY].set,
hints, nhints);
else
return grub_error (GRUB_ERR_INVALID_COMMAND, "unspecified search type");
@ -92,7 +183,8 @@ static grub_extcmd_t cmd;
GRUB_MOD_INIT(search)
{
cmd =
grub_register_extcmd ("search", grub_cmd_search, GRUB_COMMAND_FLAG_EXTRACTOR,
grub_register_extcmd ("search", grub_cmd_search,
GRUB_COMMAND_FLAG_EXTRACTOR | GRUB_COMMAND_ACCEPT_DASH,
N_("[-f|-l|-u|-s|-n] [--hint HINT [--hint HINT] ...]"
" NAME"),
N_("Search devices by file, filesystem label"

15
grub-core/disk/ieee1275/ofdisk.c
View file

@ -193,8 +193,14 @@ grub_ofdisk_iterate (int (*hook) (const char *name))
if (grub_strncmp (ent->shortest, "cdrom", 5) == 0)
continue;
if (hook (ent->shortest))
return 1;
{
char buffer[sizeof ("ieee1275/") + grub_strlen (env->shortest)];
char *ptr;
ptr = grub_stpcpy (buffer, "ieee1275/");
grub_strcpy (ptr, env->shortest);
if (hook (buffer))
return 1;
}
}
}
return 0;
@ -236,7 +242,10 @@ grub_ofdisk_open (const char *name, grub_disk_t disk)
char prop[64];
grub_ssize_t actual;
devpath = compute_dev_path (name);
if (grub_strncmp (devpath, "ieee1275/", sizeof ("ieee1275/") - 1) != 0)
return grub_error (GRUB_ERR_UNKNOWN_DEVICE,
"not IEEE1275 device");
devpath = compute_dev_path (name + sizeof ("ieee1275/") - 1);
if (! devpath)
return grub_errno;

23
grub-core/kern/emu/hostdisk.c
View file

@ -132,6 +132,7 @@ struct
{
char *drive;
char *device;
int device_map;
} map[256];
struct grub_util_biosdisk_data
@ -140,6 +141,7 @@ struct grub_util_biosdisk_data
int access_mode;
int fd;
int is_disk;
int device_map;
};
#ifdef __linux__
@ -242,6 +244,7 @@ grub_util_biosdisk_open (const char *name, grub_disk_t disk)
data->access_mode = 0;
data->fd = -1;
data->is_disk = 0;
data->device_map = map[drive].device_map;
/* Get the size. */
#if defined(__MINGW32__)
@ -1015,6 +1018,12 @@ read_device_map (const char *dev_map)
grub_util_error ("%s:%d: %s", dev_map, lineno, msg);
}
if (dev_map[0] == '\0')
{
grub_util_info (_("no device.map"));
return;
}
fp = fopen (dev_map, "r");
if (! fp)
{
@ -1055,6 +1064,7 @@ read_device_map (const char *dev_map)
map[drive].drive = xmalloc (p - e + sizeof ('\0'));
strncpy (map[drive].drive, e, p - e + sizeof ('\0'));
map[drive].drive[p - e] = '\0';
map[drive].device_map = 1;
p++;
/* Skip leading spaces. */
@ -1623,7 +1633,10 @@ find_system_device (const char *os_dev, struct stat *st, int convert, int add)
grub_util_error (_("device count exceeds limit"));
map[i].device = os_disk;
map[i].drive = xstrdup (os_disk);
map[i].drive = xmalloc (sizeof ("hostdisk/") + strlen (os_disk));
strcpy (map[i].drive, "hostdisk/");
strcpy (map[i].drive + sizeof ("hostdisk/") - 1, os_disk);
map[i].device_map = 0;
return i;
}
@ -1818,6 +1831,14 @@ grub_util_biosdisk_get_grub_dev (const char *os_dev)
#endif
}
const char *
grub_util_biosdisk_get_compatibility_hint (grub_disk_t disk)
{
if (disk->dev != &grub_util_biosdisk_dev || map[disk->id].device_map)
return disk->name;
return 0;
}
const char *
grub_util_biosdisk_get_osdev (grub_disk_t disk)
{

2
grub-core/normal/main.c
View file

@ -474,7 +474,7 @@ static grub_command_t cmd_clear;
static void (*grub_xputs_saved) (const char *str);
static const char *features[] = {
"feature_chainloader_bpb", "feature_ntldr"
"feature_chainloader_bpb", "feature_ntldr", "feature_platform_search_hint"
};
GRUB_MOD_INIT(normal)