[people/ms/u-boot.git] / tools / omapimage.c

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

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

#define DIV_ROUND_UP(n, d)     (((n) + (d) - 1) / (d))

/* 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_CH_HDR_SIZE,
		       params->addr, 0);

	if (strncmp(params->imagename, "byteswap", 8) == 0) {
		do_swap32 = 1;
		int swapped = 0;
		uint32_t *data = (uint32_t *)ptr;
		const off_t size_in_words =
			DIV_ROUND_UP(sbuf->st_size, sizeof(uint32_t));

		while (swapped < size_in_words) {
			*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 <john.rigby@linaro.org>
	5	* Based on TI's signGP.c
	6	*
	7	* (C) Copyright 2009
	8	* Stefano Babic, DENX Software Engineering, sbabic@denx.de.
	9	*
	10	* (C) Copyright 2008
	11	* Marvell Semiconductor <www.marvell.com>
	12	* Written-by: Prafulla Wadaskar <prafulla@marvell.com>
	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"
3decb14a JR	22
c8e1ca3e PT	23	#define DIV_ROUND_UP(n, d) (((n) + (d) - 1) / (d))
c8e1ca3e PT	24
3decb14a JR	25	/* Header size is CH header rounded up to 512 bytes plus GP header */
3decb14a JR	26	#define OMAP_CH_HDR_SIZE 512
bf411ea9	27	#define OMAP_FILE_HDR_SIZE (OMAP_CH_HDR_SIZE + GPIMAGE_HDR_SIZE)
3decb14a	28
79b9ebb7 TR	29	static int do_swap32 = 0;
79b9ebb7 TR	30
3decb14a JR	31	static uint8_t omapimage_header[OMAP_FILE_HDR_SIZE];
	32
	33	static int omapimage_check_image_types(uint8_t type)
	34	{
	35	if (type == IH_TYPE_OMAPIMAGE)
	36	return EXIT_SUCCESS;
bf411ea9	37	return EXIT_FAILURE;
3decb14a JR	38	}
	39
	40	static int omapimage_verify_header(unsigned char *ptr, int image_size,
f86ed6a8	41	struct image_tool_params *params)
3decb14a JR	42	{
	43	struct ch_toc toc = (struct ch_toc )ptr;
	44	struct gp_header gph = (struct gp_header )(ptr+OMAP_CH_HDR_SIZE);
bf411ea9	45	uint32_t offset, size;
3decb14a JR	46
	47	while (toc->section_offset != 0xffffffff
	48	&& toc->section_size != 0xffffffff) {
79b9ebb7	49	if (do_swap32) {
bf411ea9 KM	50	offset = cpu_to_be32(toc->section_offset);
bf411ea9 KM	51	size = cpu_to_be32(toc->section_size);
79b9ebb7 TR	52	} else {
	53	offset = toc->section_offset;
	54	size = toc->section_size;
	55	}
3decb14a JR	56	if (!offset \|\| !size)
	57	return -1;
	58	if (offset >= OMAP_CH_HDR_SIZE \|\|
	59	offset+size >= OMAP_CH_HDR_SIZE)
	60	return -1;
	61	toc++;
	62	}
79b9ebb7	63
bf411ea9	64	return gph_verify_header(gph, do_swap32);
3decb14a JR	65	}
	66
	67	static void omapimage_print_section(struct ch_settings *chs)
	68	{
	69	const char *section_name;
	70
	71	if (chs->section_key)
	72	section_name = "CHSETTINGS";
	73	else
	74	section_name = "UNKNOWNKEY";
	75
	76	printf("%s (%x) "
	77	"valid:%x "
	78	"version:%x "
	79	"reserved:%x "
	80	"flags:%x\n",
	81	section_name,
	82	chs->section_key,
	83	chs->valid,
	84	chs->version,
	85	chs->reserved,
	86	chs->flags);
	87	}
	88
	89	static void omapimage_print_header(const void *ptr)
	90	{
	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);
bf411ea9	94	uint32_t offset, size;
3decb14a JR	95
	96	while (toc->section_offset != 0xffffffff
	97	&& toc->section_size != 0xffffffff) {
79b9ebb7	98	if (do_swap32) {
bf411ea9 KM	99	offset = cpu_to_be32(toc->section_offset);
bf411ea9 KM	100	size = cpu_to_be32(toc->section_size);
79b9ebb7 TR	101	} else {
	102	offset = toc->section_offset;
	103	size = toc->section_size;
	104	}
3decb14a JR	105
	106	if (offset >= OMAP_CH_HDR_SIZE \|\|
	107	offset+size >= OMAP_CH_HDR_SIZE)
	108	exit(EXIT_FAILURE);
	109
	110	printf("Section %s offset %x length %x\n",
	111	toc->section_name,
	112	toc->section_offset,
	113	toc->section_size);
	114
	115	omapimage_print_section((struct ch_settings *)(ptr+offset));
	116	toc++;
	117	}
	118
bf411ea9	119	gph_print_header(gph, do_swap32);
3decb14a JR	120	}
	121
	122	static int toc_offset(void hdr, void member)
	123	{
	124	return member - hdr;
	125	}
	126
	127	static void omapimage_set_header(void ptr, struct stat sbuf, int ifd,
f86ed6a8	128	struct image_tool_params *params)
3decb14a JR	129	{
	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);
	134
	135	toc->section_offset = toc_offset(ptr, chs);
	136	toc->section_size = sizeof(struct ch_settings);
	137	strcpy((char *)toc->section_name, "CHSETTINGS");
	138
	139	chs->section_key = KEY_CHSETTINGS;
	140	chs->valid = 0;
	141	chs->version = 1;
	142	chs->reserved = 0;
	143	chs->flags = 0;
	144
	145	toc++;
	146	memset(toc, 0xff, sizeof(*toc));
	147
3a0e70f1	148	gph_set_header(gph, sbuf->st_size - OMAP_CH_HDR_SIZE,
bf411ea9	149	params->addr, 0);
79b9ebb7 TR	150
	151	if (strncmp(params->imagename, "byteswap", 8) == 0) {
	152	do_swap32 = 1;
	153	int swapped = 0;
	154	uint32_t data = (uint32_t )ptr;
c8e1ca3e PT	155	const off_t size_in_words =
c8e1ca3e PT	156	DIV_ROUND_UP(sbuf->st_size, sizeof(uint32_t));
79b9ebb7	157
c8e1ca3e	158	while (swapped < size_in_words) {
bf411ea9	159	data = cpu_to_be32(data);
79b9ebb7 TR	160	swapped++;
	161	data++;
	162	}
	163	}
3decb14a JR	164	}
3decb14a JR	165
3decb14a JR	166	/*
	167	* omapimage parameters
	168	*/
a93648d1 GMF	169	U_BOOT_IMAGE_TYPE(
	170	omapimage,
	171	"TI OMAP CH/GP Boot Image support",
	172	OMAP_FILE_HDR_SIZE,
	173	(void *)&omapimage_header,
	174	gpimage_check_params,
	175	omapimage_verify_header,
	176	omapimage_print_header,
	177	omapimage_set_header,
	178	NULL,
	179	omapimage_check_image_types,
	180	NULL,
	181	NULL
	182	);