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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
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@ -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"