xref: /openbmc/u-boot/tools/gpimage-common.c (revision e8f80a5a)
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 */
to_be32(uint32_t * gph_size,uint32_t * gph_load_addr)26 void 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 
gph_verify_header(struct gp_header * gph,int be)32 int 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 
gph_print_header(const struct gp_header * gph,int be)46 void 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 
gph_set_header(struct gp_header * gph,uint32_t size,uint32_t load_addr,int be)66 void 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 
gpimage_check_params(struct image_tool_params * params)75 int 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