upstream u-boot with additional patches for our devices/boards: https://lists.denx.de/pipermail/u-boot/2017-March/282789.html (AXP crashes) ; Gbit ethernet patch for some LIME2 revisions ; with SPI flash support
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u-boot/tools/mkimage.h

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/*
* (C) Copyright 2000-2004
* DENX Software Engineering
* Wolfgang Denk, wd@denx.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 _MKIIMAGE_H_
#define _MKIIMAGE_H_
#include "os_support.h"
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <sys/stat.h>
#include <time.h>
#include <unistd.h>
#include <sha1.h>
#include "fdt_host.h"
#undef MKIMAGE_DEBUG
#ifdef MKIMAGE_DEBUG
#define debug(fmt,args...) printf (fmt ,##args)
#else
#define debug(fmt,args...)
#endif /* MKIMAGE_DEBUG */
#define MKIMAGE_TMPFILE_SUFFIX ".tmp"
#define MKIMAGE_MAX_TMPFILE_LEN 256
#define MKIMAGE_DEFAULT_DTC_OPTIONS "-I dts -O dtb -p 500"
#define MKIMAGE_MAX_DTC_CMDLINE_LEN 512
#define MKIMAGE_DTC "dtc" /* assume dtc is in $PATH */
/*
* This structure defines all such variables those are initialized by
* mkimage main core and need to be referred by image type specific
* functions
*/
struct mkimage_params {
int dflag;
int eflag;
int fflag;
int lflag;
int vflag;
int xflag;
int os;
int arch;
int type;
int comp;
char *dtc;
unsigned int addr;
unsigned int ep;
char *imagename;
char *datafile;
char *imagefile;
char *cmdname;
};
/*
* image type specific variables and callback functions
*/
struct image_type_params {
/* name is an identification tag string for added support */
char *name;
/*
* header size is local to the specific image type to be supported,
* mkimage core treats this as number of bytes
*/
uint32_t header_size;
/* Image type header pointer */
void *hdr;
/*
* There are several arguments that are passed on the command line
* and are registered as flags in mkimage_params structure.
* This callback function can be used to check the passed arguments
* are in-lined with the image type to be supported
*
* Returns 1 if parameter check is successful
*/
int (*check_params) (struct mkimage_params *);
/*
* This function is used by list command (i.e. mkimage -l <filename>)
* image type verification code must be put here
*
* Returns 0 if image header verification is successful
* otherwise, returns respective negative error codes
*/
int (*verify_header) (unsigned char *, int, struct mkimage_params *);
/* Prints image information abstracting from image header */
void (*print_header) (const void *);
/*
* The header or image contents need to be set as per image type to
* be generated using this callback function.
* further output file post processing (for ex. checksum calculation,
* padding bytes etc..) can also be done in this callback function.
*/
void (*set_header) (void *, struct stat *, int,
struct mkimage_params *);
/*
* Some image generation support for ex (default image type) supports
* more than one type_ids, this callback function is used to check
* whether input (-T <image_type>) is supported by registered image
* generation/list low level code
*/
int (*check_image_type) (uint8_t);
/* This callback function will be executed if fflag is defined */
int (*fflag_handle) (struct mkimage_params *);
/* pointer to the next registered entry in linked list */
struct image_type_params *next;
};
/*
* Exported functions
*/
void mkimage_register (struct image_type_params *tparams);
/*
* There is a c file associated with supported image type low level code
* for ex. default_image.c, fit_image.c
* init is the only function referred by mkimage core.
* to avoid a single lined header file, you can define them here
*
* Supported image types init functions
*/
void init_kwb_image_type (void);
void init_default_image_type (void);
void init_fit_image_type (void);
#endif /* _MKIIMAGE_H_ */