u-boot/tools/rkimage.c
Simon Glass a131c1f442 rockchip: Add the rkimage format to mkimage
Rockchip SoCs require certain formats for code that they execute, The
simplest format is a 4-byte header at the start of a binary file. Add
support for this so that we can create images that the boot ROM understands.

Signed-off-by: Simon Glass <sjg@chromium.org>
2015-09-02 21:28:23 -06:00

65 lines
1.1 KiB
C

/*
* (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 rkimage format
*/
#include "imagetool.h"
#include <image.h>
static uint32_t header;
static int rkimage_check_params(struct image_tool_params *params)
{
return 0;
}
static int rkimage_verify_header(unsigned char *buf, int size,
struct image_tool_params *params)
{
return 0;
}
static void rkimage_print_header(const void *buf)
{
}
static void rkimage_set_header(void *buf, struct stat *sbuf, int ifd,
struct image_tool_params *params)
{
memcpy(buf, "RK32", 4);
}
static int rkimage_extract_subimage(void *buf, struct image_tool_params *params)
{
return 0;
}
static int rkimage_check_image_type(uint8_t type)
{
if (type == IH_TYPE_RKIMAGE)
return EXIT_SUCCESS;
else
return EXIT_FAILURE;
}
/*
* rk_image parameters
*/
U_BOOT_IMAGE_TYPE(
rkimage,
"Rockchip Boot Image support",
4,
&header,
rkimage_check_params,
rkimage_verify_header,
rkimage_print_header,
rkimage_set_header,
rkimage_extract_subimage,
rkimage_check_image_type,
NULL,
NULL
);