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