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/***************************************************************************
* Copyright (C) 2007 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* Copyright (C) 2008 by Spencer Oliver *
* spen@spen-soft.co.uk *
* *
* 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
#include <helper/fileio.h>
#ifdef HAVE_ELF_H
#include <elf.h>
#endif
#define IMAGE_MAX_ERROR_STRING (256)
#define IMAGE_MAX_SECTIONS (512)
#define IMAGE_MEMORY_CACHE_SIZE (2048)
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 */
};
struct imageection
{
uint32_t base_address;
uint32_t size;
int flags;
void *private; /* private data */
};
struct image
{
enum image_type type; /* image type (plain, ihex, ...) */
void *type_private; /* type private data */
int num_sections; /* number of sections contained in the image */
struct imageection *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 */
uint32_t start_address; /* start address, if one is set */
};
struct image_binary
{
struct fileio fileio;
};
struct image_ihex
{
struct fileio fileio;
uint8_t *buffer;
};
struct image_memory
{
struct target *target;
uint8_t *cache;
uint32_t cache_address;
};
struct image_elf
{
struct fileio fileio;
Elf32_Ehdr *header;
Elf32_Phdr *segments;
uint32_t segment_count;
uint8_t endianness;
};
struct image_mot
{
struct fileio fileio;
uint8_t *buffer;
};
int image_open(struct image *image, const char *url, const char *type_string);
int image_read_section(struct image *image, int section, uint32_t offset,
uint32_t size, uint8_t *buffer, size_t *size_read);
void image_close(struct image *image);
int image_add_section(struct image *image, uint32_t base, uint32_t size,
int flags, uint8_t *data);
int image_calculate_checksum(uint8_t* buffer, uint32_t nbytes,
uint32_t* 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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