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/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* This program 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 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
#ifndef IMAGE_H
#define IMAGE_H
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#ifdef HAVE_ELF_H
#include <elf.h>
#endif
#include "replacements.h"
#include "fileio.h"
#include "target.h"
#define IMAGE_MAX_ERROR_STRING (256)
#define IMAGE_MAX_SECTIONS (128)
#define IMAGE_MEMORY_CACHE_SIZE (2048)
typedef enum image_type
{
IMAGE_BINARY, /* plain binary */
IMAGE_IHEX, /* intel hex-record format */
IMAGE_MEMORY, /* target-memory pseudo-image */
IMAGE_ELF, /* ELF binary */
IMAGE_SRECORD, /* motorola s19 */
IMAGE_BUILDER, /* when building a new image */
} image_type_t;
typedef struct image_section_s
{
u32 base_address;
u32 size;
int flags;
void *private; /* private data */
} image_section_t;
typedef struct image_s
{
image_type_t type; /* image type (plain, ihex, ...) */
void *type_private; /* type private data */
int num_sections; /* number of sections contained in the image */
image_section_t *sections; /* array of sections */
int base_address_set; /* whether the image has a base address set (for relocation purposes) */
int base_address; /* base address, if one is set */
int start_address_set; /* whether the image has a start address (entry point) associated */
u32 start_address; /* start address, if one is set */
} image_t;
typedef struct image_binary_s
{
fileio_t fileio;
} image_binary_t;
typedef struct image_ihex_s
{
fileio_t fileio;
u8 *buffer;
} image_ihex_t;
typedef struct image_memory_s
{
target_t *target;
u8 *cache;
u32 cache_address;
} image_memory_t;
typedef struct fileio_elf_s
{
fileio_t fileio;
Elf32_Ehdr *header;
Elf32_Phdr *segments;
u32 segment_count;
u8 endianness;
} image_elf_t;
typedef struct image_mot_s
{
fileio_t fileio;
u8 *buffer;
} image_mot_t;
extern int image_open(image_t *image, char *url, char *type_string);
extern int image_read_section(image_t *image, int section, u32 offset, u32 size, u8 *buffer, u32 *size_read);
extern int image_close(image_t *image);
extern int image_add_section(image_t *image, u32 base, u32 size, int flags, u8 *data);
extern int image_calculate_checksum(u8* buffer, u32 nbytes, u32* checksum);
#define ERROR_IMAGE_FORMAT_ERROR (-1400)
#define ERROR_IMAGE_TYPE_UNKNOWN (-1401)
#define ERROR_IMAGE_TEMPORARILY_UNAVAILABLE (-1402)
#define ERROR_IMAGE_CHECKSUM (-1403)
#endif /* IMAGE_H */
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