1// SPDX-License-Identifier: GPL-2.0+
2/*
3 * (C) Copyright 2014
4 * Texas Instruments Incorporated
5 * Refactored common functions in to gpimage-common.c.
6 *
7 * (C) Copyright 2010
8 * Linaro LTD, www.linaro.org
9 * Author: John Rigby <john.rigby@linaro.org>
10 * Based on TI's signGP.c
11 *
12 * (C) Copyright 2009
13 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
14 *
15 * (C) Copyright 2008
16 * Marvell Semiconductor <www.marvell.com>
17 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
18 */
19
20#include "imagetool.h"
21#include <compiler.h>
22#include <image.h>
23#include "gpheader.h"
24
25/* Helper to convert size and load_addr to big endian */
26void to_be32(uint32_t *gph_size, uint32_t *gph_load_addr)
27{
28	*gph_size = cpu_to_be32(*gph_size);
29	*gph_load_addr = cpu_to_be32(*gph_load_addr);
30}
31
32int gph_verify_header(struct gp_header *gph, int be)
33{
34	uint32_t gph_size = gph->size;
35	uint32_t gph_load_addr = gph->load_addr;
36
37	if (be)
38		to_be32(&gph_size, &gph_load_addr);
39
40	if (!gph_size || !gph_load_addr)
41		return -1;
42
43	return 0;
44}
45
46void gph_print_header(const struct gp_header *gph, int be)
47{
48	uint32_t gph_size = gph->size, gph_load_addr = gph->load_addr;
49
50	if (be)
51		to_be32(&gph_size, &gph_load_addr);
52
53	if (!gph_size) {
54		fprintf(stderr, "Error: invalid image size %x\n", gph_size);
55		exit(EXIT_FAILURE);
56	}
57
58	if (!gph_load_addr) {
59		fprintf(stderr, "Error: invalid image load address %x\n",
60			gph_load_addr);
61		exit(EXIT_FAILURE);
62	}
63	printf("GP Header: Size %x LoadAddr %x\n", gph_size, gph_load_addr);
64}
65
66void gph_set_header(struct gp_header *gph, uint32_t size, uint32_t load_addr,
67	int be)
68{
69	gph->size = size;
70	gph->load_addr = load_addr;
71	if (be)
72		to_be32(&gph->size, &gph->load_addr);
73}
74
75int gpimage_check_params(struct image_tool_params *params)
76{
77	return	(params->dflag && (params->fflag || params->lflag)) ||
78		(params->fflag && (params->dflag || params->lflag)) ||
79		(params->lflag && (params->dflag || params->fflag));
80}
81