gpimage-common.c
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/*
* (C) Copyright 2014
* Texas Instruments Incorporated
* Refactored common functions in to gpimage-common.c.
*
* (C) Copyright 2010
* Linaro LTD, www.linaro.org
* Author: John Rigby <john.rigby@linaro.org>
* Based on TI's signGP.c
*
* (C) Copyright 2009
* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
*
* (C) Copyright 2008
* Marvell Semiconductor <www.marvell.com>
* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include "imagetool.h"
#include <compiler.h>
#include <image.h>
#include "gpheader.h"
/* Helper to convert size and load_addr to big endian */
void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
{
*gph_size = cpu_to_be32(*gph_size);
*gph_load_addr = cpu_to_be32(*gph_load_addr);
}
int gph_verify_header(struct gp_header *gph, int be)
{
uint32_t gph_size = gph->size;
uint32_t gph_load_addr = gph->load_addr;
if (be)
to_be32(&gph_size, &gph_load_addr);
if (!gph_size || !gph_load_addr)
return -1;
return 0;
}
void gph_print_header(const struct gp_header *gph, int be)
{
uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
if (be)
to_be32(&gph_size, &gph_load_addr);
if (!gph_size) {
fprintf(stderr, "Error: invalid image size %x\n", gph_size);
exit(EXIT_FAILURE);
}
if (!gph_load_addr) {
fprintf(stderr, "Error: invalid image load address %x\n",
gph_load_addr);
exit(EXIT_FAILURE);
}
printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
}
void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
int be)
{
gph->size = size;
gph->load_addr = load_addr;
if (be)
to_be32(&gph->size, &gph->load_addr);
}
int gpimage_check_params(struct image_tool_params *params)
{
return (params->dflag && (params->fflag || params->lflag)) ||
(params->fflag && (params->dflag || params->lflag)) ||
(params->lflag && (params->dflag || params->fflag));
}