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2004-04-04 Yoshinori K. Okuji <okuji@enbug.org>

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All symbols prefixed with PUPA_ and pupa_ are renamed to GRUB_
	and grub_, respectively. Because the conversion is trivial and
	mechanical, I omit the details here. Please refer to the CVS
	if you need more information.
This commit is contained in:
okuji 2004-04-04 13:46:03 +00:00
parent 6a1425510d
commit 4b13b216f4
125 changed files with 6198 additions and 6181 deletions
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108
loader/i386/pc/chainloader.c
View file

@ -1,6 +1,6 @@
/* chainloader.c - boot another boot loader */
/*
* PUPA -- Preliminary Universal Programming Architecture for GRUB
* GRUB -- GRand Unified Bootloader
* Copyright (C) 2002 Free Software Foundation, Inc.
*
* This program is free software; you can redistribute it and/or modify
@ -18,79 +18,79 @@
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <pupa/loader.h>
#include <pupa/machine/loader.h>
#include <pupa/file.h>
#include <pupa/err.h>
#include <pupa/device.h>
#include <pupa/disk.h>
#include <pupa/misc.h>
#include <pupa/types.h>
#include <pupa/machine/init.h>
#include <pupa/machine/partition.h>
#include <pupa/machine/memory.h>
#include <pupa/rescue.h>
#include <pupa/dl.h>
#include <grub/loader.h>
#include <grub/machine/loader.h>
#include <grub/file.h>
#include <grub/err.h>
#include <grub/device.h>
#include <grub/disk.h>
#include <grub/misc.h>
#include <grub/types.h>
#include <grub/machine/init.h>
#include <grub/machine/partition.h>
#include <grub/machine/memory.h>
#include <grub/rescue.h>
#include <grub/dl.h>
static pupa_dl_t my_mod;
static grub_dl_t my_mod;
static pupa_err_t
pupa_chainloader_boot (void)
static grub_err_t
grub_chainloader_boot (void)
{
pupa_device_t dev;
grub_device_t dev;
int drive = -1;
void *part_addr = 0;
/* Open the root device. */
dev = pupa_device_open (0);
dev = grub_device_open (0);
if (dev)
{
pupa_disk_t disk = dev->disk;
grub_disk_t disk = dev->disk;
if (disk)
{
pupa_partition_t p = disk->partition;
grub_partition_t p = disk->partition;
/* In i386-pc, the id is equal to the BIOS drive number. */
drive = (int) disk->id;
if (p)
{
pupa_disk_read (disk, p->offset, 446, 64,
(char *) PUPA_MEMORY_MACHINE_PART_TABLE_ADDR);
grub_disk_read (disk, p->offset, 446, 64,
(char *) GRUB_MEMORY_MACHINE_PART_TABLE_ADDR);
/* Ignore errors. Perhaps it's not fatal. */
part_addr = (void *) (PUPA_MEMORY_MACHINE_PART_TABLE_ADDR
part_addr = (void *) (GRUB_MEMORY_MACHINE_PART_TABLE_ADDR
+ (p->index << 4));
}
}
pupa_device_close (dev);
grub_device_close (dev);
}
pupa_chainloader_real_boot (drive, part_addr);
grub_chainloader_real_boot (drive, part_addr);
/* Never reach here. */
return PUPA_ERR_NONE;
return GRUB_ERR_NONE;
}
static pupa_err_t
pupa_chainloader_unload (void)
static grub_err_t
grub_chainloader_unload (void)
{
pupa_dl_unref (my_mod);
return PUPA_ERR_NONE;
grub_dl_unref (my_mod);
return GRUB_ERR_NONE;
}
void
pupa_rescue_cmd_chainloader (int argc, char *argv[])
grub_rescue_cmd_chainloader (int argc, char *argv[])
{
pupa_file_t file = 0;
pupa_uint16_t signature;
grub_file_t file = 0;
grub_uint16_t signature;
int force = 0;
pupa_dl_ref (my_mod);
grub_dl_ref (my_mod);
if (argc > 0 && pupa_strcmp (argv[0], "--force") == 0)
if (argc > 0 && grub_strcmp (argv[0], "--force") == 0)
{
force = 1;
argc--;
@ -99,55 +99,55 @@ pupa_rescue_cmd_chainloader (int argc, char *argv[])
if (argc == 0)
{
pupa_error (PUPA_ERR_BAD_ARGUMENT, "no file specified");
grub_error (GRUB_ERR_BAD_ARGUMENT, "no file specified");
goto fail;
}
file = pupa_file_open (argv[0]);
file = grub_file_open (argv[0]);
if (! file)
goto fail;
/* Read the first block. */
if (pupa_file_read (file, (char *) 0x7C00, PUPA_DISK_SECTOR_SIZE)
!= PUPA_DISK_SECTOR_SIZE)
if (grub_file_read (file, (char *) 0x7C00, GRUB_DISK_SECTOR_SIZE)
!= GRUB_DISK_SECTOR_SIZE)
{
if (pupa_errno == PUPA_ERR_NONE)
pupa_error (PUPA_ERR_BAD_OS, "too small");
if (grub_errno == GRUB_ERR_NONE)
grub_error (GRUB_ERR_BAD_OS, "too small");
goto fail;
}
/* Check the signature. */
signature = *((pupa_uint16_t *) (0x7C00 + PUPA_DISK_SECTOR_SIZE - 2));
if (signature != pupa_le_to_cpu16 (0xaa55) && ! force)
signature = *((grub_uint16_t *) (0x7C00 + GRUB_DISK_SECTOR_SIZE - 2));
if (signature != grub_le_to_cpu16 (0xaa55) && ! force)
{
pupa_error (PUPA_ERR_BAD_OS, "invalid signature");
grub_error (GRUB_ERR_BAD_OS, "invalid signature");
goto fail;
}
pupa_file_close (file);
pupa_loader_set (pupa_chainloader_boot, pupa_chainloader_unload);
grub_file_close (file);
grub_loader_set (grub_chainloader_boot, grub_chainloader_unload);
return;
fail:
if (file)
pupa_file_close (file);
grub_file_close (file);
pupa_dl_unref (my_mod);
grub_dl_unref (my_mod);
}
static const char loader_name[] = "chainloader";
PUPA_MOD_INIT
GRUB_MOD_INIT
{
pupa_rescue_register_command (loader_name,
pupa_rescue_cmd_chainloader,
grub_rescue_register_command (loader_name,
grub_rescue_cmd_chainloader,
"load another boot loader");
my_mod = mod;
}
PUPA_MOD_FINI
GRUB_MOD_FINI
{
pupa_rescue_unregister_command (loader_name);
grub_rescue_unregister_command (loader_name);
}