/* * (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_ */