tools/rkimage.c

   1 /*
   2  * (C) Copyright 2015 Google, Inc
   3  * Written by Simon Glass <sjg@chromium.org>
   4  *
   5  * SPDX-License-Identifier:     GPL-2.0+
   6  *
   7  * See README.rockchip for details of the rkimage format
   8  */
   9
  10 #include "imagetool.h"
  11 #include <image.h>
  12 #include "rkcommon.h"
  13
  14 static uint32_t header;
  15
  16 static int rkimage_verify_header(unsigned char *buf, int size,
  17                                  struct image_tool_params *params)
  18 {
  19         return 0;
  20 }
  21
  22 static void rkimage_print_header(const void *buf)
  23 {
  24 }
  25
  26 static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
  27                                struct image_tool_params *params)
  28 {
  29         memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
  30                RK_SPL_HDR_SIZE);
  31
  32         if (rkcommon_need_rc4_spl(params))
  33                 rkcommon_rc4_encode_spl(buf, 4, params->file_size);
  34 }
  35
  36 static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)
  37 {
  38         return 0;
  39 }
  40
  41 static int rkimage_check_image_type(uint8_t type)
  42 {
  43         if (type == IH_TYPE_RKIMAGE)
  44                 return EXIT_SUCCESS;
  45         else
  46                 return EXIT_FAILURE;
  47 }
  48
  49 /*
  50  * rk_image parameters
  51  */
  52 U_BOOT_IMAGE_TYPE(
  53         rkimage,
  54         "Rockchip Boot Image support",
  55         4,
  56         &header,
  57         rkcommon_check_params,
  58         rkimage_verify_header,
  59         rkimage_print_header,
  60         rkimage_set_header,
  61         rkimage_extract_subimage,
  62         rkimage_check_image_type,
  63         NULL,
  64         NULL
  65 );