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/*
* (C) Copyright 2015 Google, Inc
* Written by Simon Glass <sjg@chromium.org>
*
* SPDX-License-Identifier: GPL-2.0+
*
* See README.rockchip for details of the rksd format
*/
#include "imagetool.h"
#include <image.h>
#include <rc4.h>
#include "mkimage.h"
#include "rkcommon.h"
enum {
RKSD_SPL_HDR_START = RK_INIT_OFFSET * RK_BLK_SIZE,
RKSD_SPL_START = RKSD_SPL_HDR_START + 4,
RKSD_HEADER_LEN = RKSD_SPL_START,
};
static char dummy_hdr[RKSD_HEADER_LEN];
static int rksd_check_params(struct image_tool_params *params)
{
return 0;
}
static int rksd_verify_header(unsigned char *buf, int size,
struct image_tool_params *params)
{
return 0;
}
static void rksd_print_header(const void *buf)
{
}
static void rksd_set_header(void *buf, struct stat *sbuf, int ifd,
struct image_tool_params *params)
{
unsigned int size;
int ret;
size = params->file_size - RKSD_SPL_HDR_START;
ret = rkcommon_set_header(buf, size);
if (ret) {
/* TODO(sjg@chromium.org): This method should return an error */
printf("Warning: SPL image is too large (size %#x) and will not boot\n",
size);
}
memcpy(buf + RKSD_SPL_HDR_START, CONFIG_ROCKCHIP_SPL_HDR, 4);
}
static int rksd_extract_subimage(void *buf, struct image_tool_params *params)
{
return 0;
}
static int rksd_check_image_type(uint8_t type)
{
if (type == IH_TYPE_RKSD)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
/* We pad the file out to a fixed size - this method returns that size */
static int rksd_vrec_header(struct image_tool_params *params,
struct image_type_params *tparams)
{
int pad_size;
pad_size = RKSD_SPL_HDR_START + CONFIG_ROCKCHIP_MAX_SPL_SIZE;
debug("pad_size %x\n", pad_size);
return pad_size - params->file_size;
}
/*
* rk_sd parameters
*/
U_BOOT_IMAGE_TYPE(
rksd,
"Rockchip SD Boot Image support",
RKSD_HEADER_LEN,
dummy_hdr,
rksd_check_params,
rksd_verify_header,
rksd_print_header,
rksd_set_header,
rksd_extract_subimage,
rksd_check_image_type,
NULL,
rksd_vrec_header
);
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