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ec8ea0c281
This adds ext2 support from U-Boot and stitches it into the partition stuff. It also upgrades the board definitions so they can define the path to look for in the ext2 filesystem being mounted. I used /boot/uImage.bin because this is already in use by the packaged kernel. We now mount, open and pull the kernel from ext2 in phase2.c if the kernel source defines it. Signed-off-by: Andy Green <andy@openmoko.com>
81 lines
2.1 KiB
C
81 lines
2.1 KiB
C
/*
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* GRUB -- GRand Unified Bootloader
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* Copyright (C) 2000, 2001 Free Software Foundation, Inc.
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*
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* (C) Copyright 2003 Sysgo Real-Time Solutions, AG <www.elinos.com>
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* Pavel Bartusek <pba@sysgo.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* An implementation for the Ext2FS filesystem ported from GRUB.
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* Some parts of this code (mainly the structures and defines) are
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* from the original ext2 fs code, as found in the linux kernel.
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*/
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#define SECTOR_SIZE 0x200
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#define SECTOR_BITS 9
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/* Error codes */
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typedef enum
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{
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ERR_NONE = 0,
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ERR_BAD_FILENAME,
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ERR_BAD_FILETYPE,
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ERR_BAD_GZIP_DATA,
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ERR_BAD_GZIP_HEADER,
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ERR_BAD_PART_TABLE,
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ERR_BAD_VERSION,
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ERR_BELOW_1MB,
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ERR_BOOT_COMMAND,
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ERR_BOOT_FAILURE,
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ERR_BOOT_FEATURES,
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ERR_DEV_FORMAT,
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ERR_DEV_VALUES,
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ERR_EXEC_FORMAT,
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ERR_FILELENGTH,
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ERR_FILE_NOT_FOUND,
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ERR_FSYS_CORRUPT,
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ERR_FSYS_MOUNT,
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ERR_GEOM,
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ERR_NEED_LX_KERNEL,
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ERR_NEED_MB_KERNEL,
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ERR_NO_DISK,
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ERR_NO_PART,
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ERR_NUMBER_PARSING,
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ERR_OUTSIDE_PART,
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ERR_READ,
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ERR_SYMLINK_LOOP,
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ERR_UNRECOGNIZED,
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ERR_WONT_FIT,
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ERR_WRITE,
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ERR_BAD_ARGUMENT,
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ERR_UNALIGNED,
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ERR_PRIVILEGED,
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ERR_DEV_NEED_INIT,
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ERR_NO_DISK_SPACE,
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ERR_NUMBER_OVERFLOW,
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MAX_ERR_NUM
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} ext2fs_error_t;
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extern int ext2fs_ls(char *dirname);
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extern int ext2fs_open(const char *filename);
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extern int ext2fs_read(char *buf, unsigned len);
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extern int ext2fs_mount(void);
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extern int ext2fs_close(void);
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