[J-u-boot.git] / tools / omapimage.c

/*
 * (C) Copyright 2010
 * Linaro LTD, www.linaro.org
 * Author: John Rigby <[email protected]>
 * Based on TI's signGP.c
 *
 * (C) Copyright 2009
 * Stefano Babic, DENX Software Engineering, [email protected].
 *
 * (C) Copyright 2008
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <[email protected]>
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include "imagetool.h"
#include <compiler.h>
#include <image.h>
#include "gpheader.h"
#include "omapimage.h"

/* Header size is CH header rounded up to 512 bytes plus GP header */
#define OMAP_CH_HDR_SIZE 512
#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)

static int do_swap32 = 0;

static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];

static int omapimage_check_image_types(uint8_t type)
{
	if (type == IH_TYPE_OMAPIMAGE)
		return EXIT_SUCCESS;
	return EXIT_FAILURE;
}

static int omapimage_verify_header(unsigned char *ptr, int image_size,
			struct image_tool_params *params)
{
	struct ch_toc *toc = (struct ch_toc *)ptr;
	struct gp_header *gph = (struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
	uint32_t offset, size;

	while (toc->section_offset != 0xffffffff
			&& toc->section_size != 0xffffffff) {
		if (do_swap32) {
			offset = cpu_to_be32(toc->section_offset);
			size = cpu_to_be32(toc->section_size);
		} else {
			offset = toc->section_offset;
			size = toc->section_size;
		}
		if (!offset || !size)
			return -1;
		if (offset >= OMAP_CH_HDR_SIZE ||
		    offset+size >= OMAP_CH_HDR_SIZE)
			return -1;
		toc++;
	}

	return gph_verify_header(gph, do_swap32);
}

static void omapimage_print_section(struct ch_settings *chs)
{
	const char *section_name;

	if (chs->section_key)
		section_name = "CHSETTINGS";
	else
		section_name = "UNKNOWNKEY";

	printf("%s (%x) "
		"valid:%x "
		"version:%x "
		"reserved:%x "
		"flags:%x\n",
		section_name,
		chs->section_key,
		chs->valid,
		chs->version,
		chs->reserved,
		chs->flags);
}

static void omapimage_print_header(const void *ptr)
{
	const struct ch_toc *toc = (struct ch_toc *)ptr;
	const struct gp_header *gph =
			(struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
	uint32_t offset, size;

	while (toc->section_offset != 0xffffffff
			&& toc->section_size != 0xffffffff) {
		if (do_swap32) {
			offset = cpu_to_be32(toc->section_offset);
			size = cpu_to_be32(toc->section_size);
		} else {
			offset = toc->section_offset;
			size = toc->section_size;
		}

		if (offset >= OMAP_CH_HDR_SIZE ||
		    offset+size >= OMAP_CH_HDR_SIZE)
			exit(EXIT_FAILURE);

		printf("Section %s offset %x length %x\n",
			toc->section_name,
			toc->section_offset,
			toc->section_size);

		omapimage_print_section((struct ch_settings *)(ptr+offset));
		toc++;
	}

	gph_print_header(gph, do_swap32);
}

static int toc_offset(void *hdr, void *member)
{
	return member - hdr;
}

static void omapimage_set_header(void *ptr, struct stat *sbuf, int ifd,
				struct image_tool_params *params)
{
	struct ch_toc *toc = (struct ch_toc *)ptr;
	struct ch_settings *chs = (struct ch_settings *)
					(ptr + 2 * sizeof(*toc));
	struct gp_header *gph = (struct gp_header *)(ptr + OMAP_CH_HDR_SIZE);

	toc->section_offset = toc_offset(ptr, chs);
	toc->section_size = sizeof(struct ch_settings);
	strcpy((char *)toc->section_name, "CHSETTINGS");

	chs->section_key = KEY_CHSETTINGS;
	chs->valid = 0;
	chs->version = 1;
	chs->reserved = 0;
	chs->flags = 0;

	toc++;
	memset(toc, 0xff, sizeof(*toc));

	gph_set_header(gph, sbuf->st_size - OMAP_FILE_HDR_SIZE,
		       params->addr, 0);

	if (strncmp(params->imagename, "byteswap", 8) == 0) {
		do_swap32 = 1;
		int swapped = 0;
		uint32_t *data = (uint32_t *)ptr;

		while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
			*data = cpu_to_be32(*data);
			swapped++;
			data++;
		}
	}
}

/*
 * omapimage parameters
 */
U_BOOT_IMAGE_TYPE(
	omapimage,
	"TI OMAP CH/GP Boot Image support",
	OMAP_FILE_HDR_SIZE,
	(void *)&omapimage_header,
	gpimage_check_params,
	omapimage_verify_header,
	omapimage_print_header,
	omapimage_set_header,
	NULL,
	omapimage_check_image_types,
	NULL,
	NULL
);
Commit	Line	Data
3decb14a JR	1	/*
	2	* (C) Copyright 2010
	3	* Linaro LTD, www.linaro.org
	4	* Author: John Rigby <[email protected]>
	5	* Based on TI's signGP.c
	6	*
	7	* (C) Copyright 2009
	8	* Stefano Babic, DENX Software Engineering, [email protected].
	9	*
	10	* (C) Copyright 2008
	11	* Marvell Semiconductor <www.marvell.com>
	12	* Written-by: Prafulla Wadaskar <[email protected]>
	13	*
3765b3e7	14	* SPDX-License-Identifier: GPL-2.0+
3decb14a JR	15	*/
3decb14a JR	16
f86ed6a8	17	#include "imagetool.h"
bf411ea9	18	#include <compiler.h>
3decb14a	19	#include <image.h>
bf411ea9	20	#include "gpheader.h"
3decb14a JR	21	#include "omapimage.h"
	22
	23	/* Header size is CH header rounded up to 512 bytes plus GP header */
	24	#define OMAP_CH_HDR_SIZE 512
bf411ea9	25	#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
3decb14a	26
79b9ebb7 TR	27	static int do_swap32 = 0;
79b9ebb7 TR	28
3decb14a JR	29	static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
	30
	31	static int omapimage_check_image_types(uint8_t type)
	32	{
	33	if (type == IH_TYPE_OMAPIMAGE)
	34	return EXIT_SUCCESS;
bf411ea9	35	return EXIT_FAILURE;
3decb14a JR	36	}
	37
	38	static int omapimage_verify_header(unsigned char *ptr, int image_size,
f86ed6a8	39	struct image_tool_params *params)
3decb14a JR	40	{
	41	struct ch_toc toc = (struct ch_toc )ptr;
	42	struct gp_header gph = (struct gp_header )(ptr+OMAP_CH_HDR_SIZE);
bf411ea9	43	uint32_t offset, size;
3decb14a JR	44
	45	while (toc->section_offset != 0xffffffff
	46	&& toc->section_size != 0xffffffff) {
79b9ebb7	47	if (do_swap32) {
bf411ea9 KM	48	offset = cpu_to_be32(toc->section_offset);
bf411ea9 KM	49	size = cpu_to_be32(toc->section_size);
79b9ebb7 TR	50	} else {
	51	offset = toc->section_offset;
	52	size = toc->section_size;
	53	}
3decb14a JR	54	if (!offset \|\| !size)
	55	return -1;
	56	if (offset >= OMAP_CH_HDR_SIZE \|\|
	57	offset+size >= OMAP_CH_HDR_SIZE)
	58	return -1;
	59	toc++;
	60	}
79b9ebb7	61
bf411ea9	62	return gph_verify_header(gph, do_swap32);
3decb14a JR	63	}
	64
	65	static void omapimage_print_section(struct ch_settings *chs)
	66	{
	67	const char *section_name;
	68
	69	if (chs->section_key)
	70	section_name = "CHSETTINGS";
	71	else
	72	section_name = "UNKNOWNKEY";
	73
	74	printf("%s (%x) "
	75	"valid:%x "
	76	"version:%x "
	77	"reserved:%x "
	78	"flags:%x\n",
	79	section_name,
	80	chs->section_key,
	81	chs->valid,
	82	chs->version,
	83	chs->reserved,
	84	chs->flags);
	85	}
	86
	87	static void omapimage_print_header(const void *ptr)
	88	{
	89	const struct ch_toc toc = (struct ch_toc )ptr;
	90	const struct gp_header *gph =
	91	(struct gp_header *)(ptr+OMAP_CH_HDR_SIZE);
bf411ea9	92	uint32_t offset, size;
3decb14a JR	93
	94	while (toc->section_offset != 0xffffffff
	95	&& toc->section_size != 0xffffffff) {
79b9ebb7	96	if (do_swap32) {
bf411ea9 KM	97	offset = cpu_to_be32(toc->section_offset);
bf411ea9 KM	98	size = cpu_to_be32(toc->section_size);
79b9ebb7 TR	99	} else {
	100	offset = toc->section_offset;
	101	size = toc->section_size;
	102	}
3decb14a JR	103
	104	if (offset >= OMAP_CH_HDR_SIZE \|\|
	105	offset+size >= OMAP_CH_HDR_SIZE)
	106	exit(EXIT_FAILURE);
	107
	108	printf("Section %s offset %x length %x\n",
	109	toc->section_name,
	110	toc->section_offset,
	111	toc->section_size);
	112
	113	omapimage_print_section((struct ch_settings *)(ptr+offset));
	114	toc++;
	115	}
	116
bf411ea9	117	gph_print_header(gph, do_swap32);
3decb14a JR	118	}
	119
	120	static int toc_offset(void hdr, void member)
	121	{
	122	return member - hdr;
	123	}
	124
	125	static void omapimage_set_header(void ptr, struct stat sbuf, int ifd,
f86ed6a8	126	struct image_tool_params *params)
3decb14a JR	127	{
	128	struct ch_toc toc = (struct ch_toc )ptr;
	129	struct ch_settings chs = (struct ch_settings )
	130	(ptr + 2 * sizeof(*toc));
	131	struct gp_header gph = (struct gp_header )(ptr + OMAP_CH_HDR_SIZE);
	132
	133	toc->section_offset = toc_offset(ptr, chs);
	134	toc->section_size = sizeof(struct ch_settings);
	135	strcpy((char *)toc->section_name, "CHSETTINGS");
	136
	137	chs->section_key = KEY_CHSETTINGS;
	138	chs->valid = 0;
	139	chs->version = 1;
	140	chs->reserved = 0;
	141	chs->flags = 0;
	142
	143	toc++;
	144	memset(toc, 0xff, sizeof(*toc));
	145
bf411ea9 KM	146	gph_set_header(gph, sbuf->st_size - OMAP_FILE_HDR_SIZE,
bf411ea9 KM	147	params->addr, 0);
79b9ebb7 TR	148
	149	if (strncmp(params->imagename, "byteswap", 8) == 0) {
	150	do_swap32 = 1;
	151	int swapped = 0;
	152	uint32_t data = (uint32_t )ptr;
	153
	154	while (swapped <= (sbuf->st_size / sizeof(uint32_t))) {
bf411ea9	155	data = cpu_to_be32(data);
79b9ebb7 TR	156	swapped++;
	157	data++;
	158	}
	159	}
3decb14a JR	160	}
3decb14a JR	161
3decb14a JR	162	/*
	163	* omapimage parameters
	164	*/
a93648d1 GMF	165	U_BOOT_IMAGE_TYPE(
	166	omapimage,
	167	"TI OMAP CH/GP Boot Image support",
	168	OMAP_FILE_HDR_SIZE,
	169	(void *)&omapimage_header,
	170	gpimage_check_params,
	171	omapimage_verify_header,
	172	omapimage_print_header,
	173	omapimage_set_header,
	174	NULL,
	175	omapimage_check_image_types,
	176	NULL,
	177	NULL
	178	);