MErge mainline into intwrap
This commit is contained in:
Vladimir 'phcoder' Serbinenko
commit
afba9f98ec
719 changed files with 55744 additions and 25714 deletions
257
grub-core/kern/emu/main.c
Normal file
257
grub-core/kern/emu/main.c
Normal file
|
|
@ -0,0 +1,257 @@
|
|||
/*
|
||||
* 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 <time.h>
|
||||
#include <stdio.h>
|
||||
#include <stdlib.h>
|
||||
#include <setjmp.h>
|
||||
#include <sys/stat.h>
|
||||
#include <getopt.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 "progname.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 *prefix = NULL;
|
||||
|
||||
int grub_no_autoload;
|
||||
|
||||
grub_addr_t
|
||||
grub_arch_modules_addr (void)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
void
|
||||
grub_reboot (void)
|
||||
{
|
||||
longjmp (main_env, 1);
|
||||
}
|
||||
|
||||
void
|
||||
grub_machine_init (void)
|
||||
{
|
||||
}
|
||||
|
||||
void
|
||||
grub_machine_set_prefix (void)
|
||||
{
|
||||
grub_env_set ("prefix", prefix);
|
||||
free (prefix);
|
||||
prefix = 0;
|
||||
}
|
||||
|
||||
void
|
||||
grub_machine_fini (void)
|
||||
{
|
||||
grub_console_fini ();
|
||||
}
|
||||
|
||||
|
||||
|
||||
static struct option options[] =
|
||||
{
|
||||
{"root-device", required_argument, 0, 'r'},
|
||||
{"device-map", required_argument, 0, 'm'},
|
||||
{"directory", required_argument, 0, 'd'},
|
||||
{"hold", optional_argument, 0, 'H'},
|
||||
{"help", no_argument, 0, 'h'},
|
||||
{"version", no_argument, 0, 'V'},
|
||||
{"verbose", no_argument, 0, 'v'},
|
||||
{ 0, 0, 0, 0 }
|
||||
};
|
||||
|
||||
static int
|
||||
usage (int status)
|
||||
{
|
||||
if (status)
|
||||
fprintf (stderr,
|
||||
"Try `%s --help' for more information.\n", program_name);
|
||||
else
|
||||
printf (
|
||||
"Usage: %s [OPTION]...\n"
|
||||
"\n"
|
||||
"GRUB emulator.\n"
|
||||
"\n"
|
||||
" -r, --root-device=DEV use DEV as the root device [default=guessed]\n"
|
||||
" -m, --device-map=FILE use FILE as the device map [default=%s]\n"
|
||||
" -d, --directory=DIR use GRUB files in the directory DIR [default=%s]\n"
|
||||
" -v, --verbose print verbose messages\n"
|
||||
" -H, --hold[=SECONDS] wait until a debugger will attach\n"
|
||||
" -h, --help display this message and exit\n"
|
||||
" -V, --version print version information and exit\n"
|
||||
"\n"
|
||||
"Report bugs to <%s>.\n", program_name, DEFAULT_DEVICE_MAP, DEFAULT_DIRECTORY, PACKAGE_BUGREPORT);
|
||||
return status;
|
||||
}
|
||||
|
||||
|
||||
void grub_hostfs_init (void);
|
||||
void grub_hostfs_fini (void);
|
||||
void grub_host_init (void);
|
||||
void grub_host_fini (void);
|
||||
void grub_emu_init (void);
|
||||
|
||||
int
|
||||
main (int argc, char *argv[])
|
||||
{
|
||||
char *root_dev = 0;
|
||||
char *dir = DEFAULT_DIRECTORY;
|
||||
char *dev_map = DEFAULT_DEVICE_MAP;
|
||||
volatile int hold = 0;
|
||||
int opt;
|
||||
|
||||
set_program_name (argv[0]);
|
||||
|
||||
while ((opt = getopt_long (argc, argv, "r:d:m:vH:hV", options, 0)) != -1)
|
||||
switch (opt)
|
||||
{
|
||||
case 'r':
|
||||
root_dev = optarg;
|
||||
break;
|
||||
case 'd':
|
||||
dir = optarg;
|
||||
break;
|
||||
case 'm':
|
||||
dev_map = optarg;
|
||||
break;
|
||||
case 'v':
|
||||
verbosity++;
|
||||
break;
|
||||
case 'H':
|
||||
hold = (optarg ? atoi (optarg) : -1);
|
||||
break;
|
||||
case 'h':
|
||||
return usage (0);
|
||||
case 'V':
|
||||
printf ("%s (%s) %s\n", program_name, PACKAGE_NAME, PACKAGE_VERSION);
|
||||
return 0;
|
||||
default:
|
||||
return usage (1);
|
||||
}
|
||||
|
||||
if (optind < argc)
|
||||
{
|
||||
fprintf (stderr, "Unknown extra argument `%s'.\n", argv[optind]);
|
||||
return usage (1);
|
||||
}
|
||||
|
||||
/* Wait until the ARGS.HOLD variable is cleared by an attached debugger. */
|
||||
if (hold && verbosity > 0)
|
||||
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_emu_init ();
|
||||
grub_console_init ();
|
||||
grub_host_init ();
|
||||
grub_hostfs_init ();
|
||||
|
||||
/* XXX: This is a bit unportable. */
|
||||
grub_util_biosdisk_init (dev_map);
|
||||
|
||||
grub_init_all ();
|
||||
|
||||
/* Make sure that there is a root device. */
|
||||
if (! root_dev)
|
||||
{
|
||||
char *device_name = grub_guess_root_device (dir);
|
||||
if (! device_name)
|
||||
grub_util_error ("cannot find a device for %s", dir);
|
||||
|
||||
root_dev = grub_util_get_grub_dev (device_name);
|
||||
if (! root_dev)
|
||||
{
|
||||
grub_util_info ("guessing the root device failed, because of `%s'",
|
||||
grub_errmsg);
|
||||
grub_util_error ("cannot guess the root device. Specify the option `--root-device'");
|
||||
}
|
||||
}
|
||||
|
||||
if (strcmp (root_dev, "host") == 0)
|
||||
dir = xstrdup (dir);
|
||||
else
|
||||
dir = grub_make_system_path_relative_to_its_root (dir);
|
||||
prefix = xmalloc (strlen (root_dev) + 2 + strlen (dir) + 1);
|
||||
sprintf (prefix, "(%s)%s", root_dev, dir);
|
||||
free (dir);
|
||||
|
||||
/* Start GRUB! */
|
||||
if (setjmp (main_env) == 0)
|
||||
grub_main ();
|
||||
|
||||
grub_fini_all ();
|
||||
grub_hostfs_fini ();
|
||||
grub_host_fini ();
|
||||
|
||||
grub_machine_fini ();
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#ifdef __MINGW32__
|
||||
|
||||
void
|
||||
grub_millisleep (grub_uint32_t ms)
|
||||
{
|
||||
Sleep (ms);
|
||||
}
|
||||
|
||||
#else
|
||||
|
||||
void
|
||||
grub_millisleep (grub_uint32_t ms)
|
||||
{
|
||||
struct timespec ts;
|
||||
|
||||
ts.tv_sec = ms / 1000;
|
||||
ts.tv_nsec = (ms % 1000) * 1000000;
|
||||
nanosleep (&ts, NULL);
|
||||
}
|
||||
|
||||
#endif
|
||||
Loading…
Add table
Add a link
Reference in a new issue