21d85db12f
* grub-core/kern/emu/main.c: Add missing include. * grub-core/osdep/basic/init.c (grub_util_host_init) [!GRUB_UTIL]: Don't call grub_util_init_nls. * grub-core/osdep/windows/init.c (grub_util_host_init) [!GRUB_UTIL]: Likewise.
236 lines
5.1 KiB
C
236 lines
5.1 KiB
C
/*
|
||
* GRUB -- GRand Unified Bootloader
|
||
* Copyright (C) 2003,2004,2005,2006,2007,2008,2009,2010 Free Software Foundation, Inc.
|
||
*
|
||
* GRUB is free software: you can redistribute it and/or modify
|
||
* it under the terms of the GNU General Public License as published by
|
||
* the Free Software Foundation, either version 3 of the License, or
|
||
* (at your option) any later version.
|
||
*
|
||
* GRUB is distributed in the hope that it will be useful,
|
||
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
||
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
||
* GNU General Public License for more details.
|
||
*
|
||
* You should have received a copy of the GNU General Public License
|
||
* along with GRUB. If not, see <http://www.gnu.org/licenses/>.
|
||
*/
|
||
|
||
#include <config.h>
|
||
#include <config-util.h>
|
||
|
||
#include <time.h>
|
||
#include <stdio.h>
|
||
#include <stdlib.h>
|
||
#include <setjmp.h>
|
||
#include <sys/stat.h>
|
||
#include <string.h>
|
||
#include <signal.h>
|
||
#include <sys/types.h>
|
||
#include <unistd.h>
|
||
|
||
#include <grub/dl.h>
|
||
#include <grub/mm.h>
|
||
#include <grub/setjmp.h>
|
||
#include <grub/fs.h>
|
||
#include <grub/emu/hostdisk.h>
|
||
#include <grub/time.h>
|
||
#include <grub/emu/console.h>
|
||
#include <grub/emu/misc.h>
|
||
#include <grub/kernel.h>
|
||
#include <grub/normal.h>
|
||
#include <grub/emu/getroot.h>
|
||
#include <grub/env.h>
|
||
#include <grub/partition.h>
|
||
#include <grub/i18n.h>
|
||
#include <grub/util/misc.h>
|
||
|
||
#include "progname.h"
|
||
#include <argp.h>
|
||
|
||
#define ENABLE_RELOCATABLE 0
|
||
|
||
/* Used for going back to the main function. */
|
||
static jmp_buf main_env;
|
||
|
||
/* Store the prefix specified by an argument. */
|
||
static char *root_dev = NULL, *dir = NULL;
|
||
|
||
grub_addr_t grub_modbase = 0;
|
||
|
||
void
|
||
grub_reboot (void)
|
||
{
|
||
longjmp (main_env, 1);
|
||
}
|
||
|
||
void
|
||
grub_machine_init (void)
|
||
{
|
||
}
|
||
|
||
void
|
||
grub_machine_get_bootlocation (char **device, char **path)
|
||
{
|
||
*device = root_dev;
|
||
*path = dir;
|
||
}
|
||
|
||
void
|
||
grub_machine_fini (void)
|
||
{
|
||
grub_console_fini ();
|
||
}
|
||
|
||
|
||
|
||
static struct argp_option options[] = {
|
||
{"root", 'r', N_("DEVICE_NAME"), 0, N_("Set root device."), 2},
|
||
{"device-map", 'm', N_("FILE"), 0,
|
||
/* TRANSLATORS: There are many devices in device map. */
|
||
N_("use FILE as the device map [default=%s]"), 0},
|
||
{"directory", 'd', N_("DIR"), 0,
|
||
N_("use GRUB files in the directory DIR [default=%s]"), 0},
|
||
{"verbose", 'v', 0, 0, N_("print verbose messages."), 0},
|
||
{"hold", 'H', N_("SECS"), OPTION_ARG_OPTIONAL, N_("wait until a debugger will attach"), 0},
|
||
{ 0, 0, 0, 0, 0, 0 }
|
||
};
|
||
|
||
static char *
|
||
help_filter (int key, const char *text, void *input __attribute__ ((unused)))
|
||
{
|
||
switch (key)
|
||
{
|
||
case 'd':
|
||
return xasprintf (text, DEFAULT_DIRECTORY);
|
||
case 'm':
|
||
return xasprintf (text, DEFAULT_DEVICE_MAP);
|
||
default:
|
||
return (char *) text;
|
||
}
|
||
}
|
||
|
||
struct arguments
|
||
{
|
||
const char *dev_map;
|
||
int hold;
|
||
};
|
||
|
||
static error_t
|
||
argp_parser (int key, char *arg, struct argp_state *state)
|
||
{
|
||
/* Get the input argument from argp_parse, which we
|
||
know is a pointer to our arguments structure. */
|
||
struct arguments *arguments = state->input;
|
||
|
||
switch (key)
|
||
{
|
||
case 'r':
|
||
free (root_dev);
|
||
root_dev = xstrdup (arg);
|
||
break;
|
||
case 'd':
|
||
free (dir);
|
||
dir = xstrdup (arg);
|
||
break;
|
||
case 'm':
|
||
arguments->dev_map = arg;
|
||
break;
|
||
case 'H':
|
||
arguments->hold = (arg ? atoi (arg) : -1);
|
||
break;
|
||
case 'v':
|
||
verbosity++;
|
||
break;
|
||
|
||
case ARGP_KEY_ARG:
|
||
{
|
||
/* Too many arguments. */
|
||
fprintf (stderr, _("Unknown extra argument `%s'."), arg);
|
||
fprintf (stderr, "\n");
|
||
argp_usage (state);
|
||
}
|
||
break;
|
||
|
||
default:
|
||
return ARGP_ERR_UNKNOWN;
|
||
}
|
||
return 0;
|
||
}
|
||
|
||
static struct argp argp = {
|
||
options, argp_parser, NULL,
|
||
N_("GRUB emulator."),
|
||
NULL, help_filter, NULL
|
||
};
|
||
|
||
|
||
|
||
void grub_hostfs_init (void);
|
||
void grub_hostfs_fini (void);
|
||
void grub_host_init (void);
|
||
void grub_host_fini (void);
|
||
|
||
int
|
||
main (int argc, char *argv[])
|
||
{
|
||
struct arguments arguments =
|
||
{
|
||
.dev_map = DEFAULT_DEVICE_MAP,
|
||
.hold = 0
|
||
};
|
||
volatile int hold = 0;
|
||
|
||
grub_util_host_init (&argc, &argv);
|
||
|
||
dir = xstrdup (DEFAULT_DIRECTORY);
|
||
|
||
if (argp_parse (&argp, argc, argv, 0, 0, &arguments) != 0)
|
||
{
|
||
fprintf (stderr, "%s", _("Error in parsing command line arguments\n"));
|
||
exit(1);
|
||
}
|
||
|
||
hold = arguments.hold;
|
||
/* Wait until the ARGS.HOLD variable is cleared by an attached debugger. */
|
||
if (hold && verbosity > 0)
|
||
/* TRANSLATORS: In this case GRUB tells user what he has to do. */
|
||
printf (_("Run `gdb %s %d', and set ARGS.HOLD to zero.\n"),
|
||
program_name, (int) getpid ());
|
||
while (hold)
|
||
{
|
||
if (hold > 0)
|
||
hold--;
|
||
|
||
sleep (1);
|
||
}
|
||
|
||
signal (SIGINT, SIG_IGN);
|
||
grub_console_init ();
|
||
grub_host_init ();
|
||
|
||
/* XXX: This is a bit unportable. */
|
||
grub_util_biosdisk_init (arguments.dev_map);
|
||
|
||
grub_init_all ();
|
||
|
||
grub_hostfs_init ();
|
||
|
||
/* Make sure that there is a root device. */
|
||
if (! root_dev)
|
||
root_dev = grub_strdup ("host");
|
||
|
||
dir = xstrdup (dir);
|
||
|
||
/* Start GRUB! */
|
||
if (setjmp (main_env) == 0)
|
||
grub_main ();
|
||
|
||
grub_fini_all ();
|
||
grub_hostfs_fini ();
|
||
grub_host_fini ();
|
||
|
||
grub_machine_fini ();
|
||
|
||
return 0;
|
||
}
|