tools/gpimage.c

   1 /*
   2  * (C) Copyright 2014
   3  * Texas Instruments Incorporated
   4  * Add gpimage format for keystone devices to format spl image. This is
   5  * Based on omapimage.c
   6  *
   7  * (C) Copyright 2010
   8  * Linaro LTD, www.linaro.org
   9  * Author: John Rigby <john.rigby@linaro.org>
  10  * Based on TI's signGP.c
  11  *
  12  * (C) Copyright 2009
  13  * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
  14  *
  15  * (C) Copyright 2008
  16  * Marvell Semiconductor <www.marvell.com>
  17  * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
  18  *
  19  * SPDX-License-Identifier:     GPL-2.0+
  20  */
  21
  22 #include "imagetool.h"
  23 #include <compiler.h>
  24 #include <image.h>
  25 #include "gpheader.h"
  26
  27 static uint8_t gpimage_header[GPIMAGE_HDR_SIZE];
  28
  29 /* to be in keystone gpimage */
  30 static int gpimage_check_image_types(uint8_t type)
  31 {
  32         if (type == IH_TYPE_GPIMAGE)
  33                 return EXIT_SUCCESS;
  34         return EXIT_FAILURE;
  35 }
  36
  37 static int gpimage_verify_header(unsigned char *ptr, int image_size,
  38                         struct image_tool_params *params)
  39 {
  40         struct gp_header *gph = (struct gp_header *)ptr;
  41
  42         return gph_verify_header(gph, 1);
  43 }
  44
  45 static void gpimage_print_header(const void *ptr)
  46 {
  47         const struct gp_header *gph = (struct gp_header *)ptr;
  48
  49         gph_print_header(gph, 1);
  50 }
  51
  52 static void gpimage_set_header(void *ptr, struct stat *sbuf, int ifd,
  53                                 struct image_tool_params *params)
  54 {
  55         struct gp_header *gph = (struct gp_header *)ptr;
  56
  57         gph_set_header(gph, sbuf->st_size - GPIMAGE_HDR_SIZE, params->addr, 1);
  58 }
  59
  60 /*
  61  * gpimage parameters
  62  */
  63 static struct image_type_params gpimage_params = {
  64         .name           = "TI KeyStone GP Image support",
  65         .header_size    = GPIMAGE_HDR_SIZE,
  66         .hdr            = (void *)&gpimage_header,
  67         .check_image_type = gpimage_check_image_types,
  68         .verify_header  = gpimage_verify_header,
  69         .print_header   = gpimage_print_header,
  70         .set_header     = gpimage_set_header,
  71         .check_params   = gpimage_check_params,
  72 };
  73
  74 void init_gpimage_type(void)
  75 {
  76         register_image_type(&gpimage_params);
  77 }