88 lines
2.8 KiB
C
88 lines
2.8 KiB
C
/*
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* cbfstool
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*
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* Copyright (C) 2008 Jordan Crouse <jordan@cosmicpenguin.net>
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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; version 2 of the License.
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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., 51 Franklin St, Fifth Floor, Boston, MA, 02110-1301 USA
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*/
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#ifndef _ROMTOOL_H_
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#define _ROMTOOL_H_
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#include <stdio.h>
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#include <arpa/inet.h>
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#include "cbfs.h"
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/* Definitions */
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/* Structures */
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struct rom {
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unsigned char *name;
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unsigned char *ptr;
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/* this will *almost* *always* be 0-rom->size, save for some really
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* misdesigned systems (which have existed)
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*/
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unsigned long rombase;
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int fd;
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int size;
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int fssize;
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struct cbfs_header *header;
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};
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/* Macros */
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#define ROM_OFFSET(_r, _c) ((unsigned int) ((unsigned char *) (_c) - (_r)->ptr))
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#define ROM_PTR(_r, _o) ((_r)->ptr + (_o))
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#define ROM_WRITEL(_r, _o, _v) do { *((unsigned int *) ROM_PTR((_r), (_o))) = (_v); } while(0)
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#define ROM_READL(_r, _o) *((unsigned int *) (ROM_PTR((_r), (_o))))
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#define ERROR(err, args...) fprintf(stderr, "(cbfstool) E: " err, ##args)
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#define WARN(err, args...) fprintf(stderr, "(cbfstool) W: " err, ##args)
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#define VERBOSE(str, args...) printf(str, ##args)
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#define TRUNCATE(_v, _a) ( (_v) & ~( (_a) - 1 ) )
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#define ALIGN(_v, _a) ( ( (_v) + ( (_a) - 1 ) ) & ~( (_a) - 1 ) )
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/* Function prototypes */
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/* util.c */
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void flashinit(void *ptr, size_t len);
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int open_rom(struct rom *rom, const char *filename);
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int create_rom(struct rom *rom, const unsigned char *filename, int size,
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const char *bootblockname, int bootblocksize,
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int align);
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int size_and_open(const char *filename, unsigned int *size);
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int copy_from_fd(int fd, void *ptr, int size);
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int get_size(const char *size);
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int add_bootblock(struct rom *rom, const char *filename);
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/* fs.c */
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struct cbfs_file *rom_find(struct rom *rom, int offset);
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struct cbfs_file *rom_find_first(struct rom *);
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struct cbfs_file *rom_find_next(struct rom *, struct cbfs_file *);
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int rom_add(struct rom *rom, const char *name, void *, unsigned long address, int size, int type);
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int rom_set_header(struct rom *rom, struct cbfs_file *c,
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const char*name, int size, int type);
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int rom_extract(struct rom *rom, const char *name, void **buf, int *size);
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int rom_remove(struct rom *rom, const char *name);
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int rom_used_space(struct rom *rom);
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int rom_exists(struct rom *rom);
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#endif
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