3 * Linaro LTD, www.linaro.org
4 * Author: John Rigby <john.rigby@linaro.org>
5 * Based on TI's signGP.c
8 * Stefano Babic, DENX Software Engineering, sbabic@denx.de.
11 * Marvell Semiconductor <www.marvell.com>
12 * Written-by: Prafulla Wadaskar <prafulla@marvell.com>
14 * SPDX-License-Identifier: GPL-2.0+
17 #include "imagetool.h"
21 #include "omapimage.h"
23 #define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
25 /* Header size is CH header rounded up to 512 bytes plus GP header */
26 #define OMAP_CH_HDR_SIZE 512
27 #define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
29 static int do_swap32
= 0;
31 static uint8_t omapimage_header
[OMAP_FILE_HDR_SIZE
];
33 static int omapimage_check_image_types(uint8_t type
)
35 if (type
== IH_TYPE_OMAPIMAGE
)
40 static int omapimage_verify_header(unsigned char *ptr
, int image_size
,
41 struct image_tool_params
*params
)
43 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
44 struct gp_header
*gph
= (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
45 uint32_t offset
, size
;
47 while (toc
->section_offset
!= 0xffffffff
48 && toc
->section_size
!= 0xffffffff) {
50 offset
= cpu_to_be32(toc
->section_offset
);
51 size
= cpu_to_be32(toc
->section_size
);
53 offset
= toc
->section_offset
;
54 size
= toc
->section_size
;
58 if (offset
>= OMAP_CH_HDR_SIZE
||
59 offset
+size
>= OMAP_CH_HDR_SIZE
)
64 return gph_verify_header(gph
, do_swap32
);
67 static void omapimage_print_section(struct ch_settings
*chs
)
69 const char *section_name
;
72 section_name
= "CHSETTINGS";
74 section_name
= "UNKNOWNKEY";
89 static void omapimage_print_header(const void *ptr
)
91 const struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
92 const struct gp_header
*gph
=
93 (struct gp_header
*)(ptr
+OMAP_CH_HDR_SIZE
);
94 uint32_t offset
, size
;
96 while (toc
->section_offset
!= 0xffffffff
97 && toc
->section_size
!= 0xffffffff) {
99 offset
= cpu_to_be32(toc
->section_offset
);
100 size
= cpu_to_be32(toc
->section_size
);
102 offset
= toc
->section_offset
;
103 size
= toc
->section_size
;
106 if (offset
>= OMAP_CH_HDR_SIZE
||
107 offset
+size
>= OMAP_CH_HDR_SIZE
)
110 printf("Section %s offset %x length %x\n",
115 omapimage_print_section((struct ch_settings
*)(ptr
+offset
));
119 gph_print_header(gph
, do_swap32
);
122 static int toc_offset(void *hdr
, void *member
)
127 static void omapimage_set_header(void *ptr
, struct stat
*sbuf
, int ifd
,
128 struct image_tool_params
*params
)
130 struct ch_toc
*toc
= (struct ch_toc
*)ptr
;
131 struct ch_settings
*chs
= (struct ch_settings
*)
132 (ptr
+ 2 * sizeof(*toc
));
133 struct gp_header
*gph
= (struct gp_header
*)(ptr
+ OMAP_CH_HDR_SIZE
);
135 toc
->section_offset
= toc_offset(ptr
, chs
);
136 toc
->section_size
= sizeof(struct ch_settings
);
137 strcpy((char *)toc
->section_name
, "CHSETTINGS");
139 chs
->section_key
= KEY_CHSETTINGS
;
146 memset(toc
, 0xff, sizeof(*toc
));
148 gph_set_header(gph
, sbuf
->st_size
- OMAP_CH_HDR_SIZE
,
151 if (strncmp(params
->imagename
, "byteswap", 8) == 0) {
154 uint32_t *data
= (uint32_t *)ptr
;
155 const off_t size_in_words
=
156 DIV_ROUND_UP(sbuf
->st_size
, sizeof(uint32_t));
158 while (swapped
< size_in_words
) {
159 *data
= cpu_to_be32(*data
);
167 * omapimage parameters
171 "TI OMAP CH/GP Boot Image support",
173 (void *)&omapimage_header
,
174 gpimage_check_params
,
175 omapimage_verify_header
,
176 omapimage_print_header
,
177 omapimage_set_header
,
179 omapimage_check_image_types
,