LXR uboot/tools/rksd.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 rksd format
   8 */
   9
  10#include "imagetool.h"
  11#include <image.h>
  12#include <rc4.h>
  13#include "mkimage.h"
  14#include "rkcommon.h"
  15
  16static char dummy_hdr[RK_IMAGE_HEADER_LEN];
  17
  18static int rksd_verify_header(unsigned char *buf,  int size,
  19                                 struct image_tool_params *params)
  20{
  21        return 0;
  22}
  23
  24static void rksd_print_header(const void *buf)
  25{
  26}
  27
  28static void rksd_set_header(void *buf,  struct stat *sbuf,  int ifd,
  29                               struct image_tool_params *params)
  30{
  31        unsigned int size;
  32        int ret;
  33
  34        size = params->file_size - RK_SPL_HDR_START;
  35        ret = rkcommon_set_header(buf, size, params);
  36        if (ret) {
  37                /* TODO(sjg@chromium.org): This method should return an error */
  38                printf("Warning: SPL image is too large (size %#x) and will not boot\n",
  39                       size);
  40        }
  41
  42        memcpy(buf + RK_SPL_HDR_START, rkcommon_get_spl_hdr(params),
  43               RK_SPL_HDR_SIZE);
  44}
  45
  46static int rksd_extract_subimage(void *buf,  struct image_tool_params *params)
  47{
  48        return 0;
  49}
  50
  51static int rksd_check_image_type(uint8_t type)
  52{
  53        if (type == IH_TYPE_RKSD)
  54                return EXIT_SUCCESS;
  55        else
  56                return EXIT_FAILURE;
  57}
  58
  59/* We pad the file out to a fixed size - this method returns that size */
  60static int rksd_vrec_header(struct image_tool_params *params,
  61                            struct image_type_params *tparams)
  62{
  63        int pad_size;
  64
  65        pad_size = RK_SPL_HDR_START + rkcommon_get_spl_size(params);
  66        debug("pad_size %x\n", pad_size);
  67
  68        return pad_size - params->file_size;
  69}
  70
  71/*
  72 * rk_sd parameters
  73 */
  74U_BOOT_IMAGE_TYPE(
  75        rksd,
  76        "Rockchip SD Boot Image support",
  77        RK_IMAGE_HEADER_LEN,
  78        dummy_hdr,
  79        rkcommon_check_params,
  80        rksd_verify_header,
  81        rksd_print_header,
  82        rksd_set_header,
  83        rksd_extract_subimage,
  84        rksd_check_image_type,
  85        NULL,
  86        rksd_vrec_header
  87);
  88