diff options
Diffstat (limited to 'tools/ublimage.c')
| -rw-r--r-- | tools/ublimage.c | 275 | 
1 files changed, 275 insertions, 0 deletions
| diff --git a/tools/ublimage.c b/tools/ublimage.c new file mode 100644 index 000000000..99874622d --- /dev/null +++ b/tools/ublimage.c @@ -0,0 +1,275 @@ +/* + * (C) Copyright 2011 + * Heiko Schocher, DENX Software Engineering, hs@denx.de. + * + * Based on: + * (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> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.	 See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +/* Required to obtain the getline prototype from stdio.h */ +#define _GNU_SOURCE + +#include "mkimage.h" +#include <image.h> +#include "ublimage.h" + +/* + * Supported commands for configuration file + */ +static table_entry_t ublimage_cmds[] = { +	{CMD_BOOT_MODE,	"MODE",		"UBL special modes", }, +	{CMD_ENTRY,	"ENTRY",	"Entry point addr for bootloader", }, +	{CMD_PAGE,	"PAGES", +		"number of pages (size of bootloader)", }, +	{CMD_ST_BLOCK,	"START_BLOCK", +		"block number where bootloader is present", }, +	{CMD_ST_PAGE,	"START_PAGE", +		"page number where bootloader is present", }, +	{CMD_LD_ADDR,	"LD_ADDR", +		"load addr", }, +	{-1,		"",		"", }, +}; + +/* + * Supported Boot options for configuration file + * this is needed to set the correct flash offset + */ +static table_entry_t ublimage_bootops[] = { +	{UBL_MAGIC_SAFE,	"safe",	"Safe boot mode",	}, +	{-1,			"",	"Invalid",		}, +}; + +static struct ubl_header ublimage_header; + +static uint32_t get_cfg_value(char *token, char *name,  int linenr) +{ +	char *endptr; +	uint32_t value; + +	errno = 0; +	value = strtoul(token, &endptr, 16); +	if (errno || (token == endptr)) { +		fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n", +			name,  linenr, token); +		exit(EXIT_FAILURE); +	} +	return value; +} + +static void print_hdr(struct ubl_header *ubl_hdr) +{ +	printf("Image Type : Davinci UBL Boot Image\n"); +	printf("UBL magic  : %08x\n", ubl_hdr->magic); +	printf("Entry Point: %08x\n", ubl_hdr->entry); +	printf("nr of pages: %08x\n", ubl_hdr->pages); +	printf("start block: %08x\n", ubl_hdr->block); +	printf("start page : %08x\n", ubl_hdr->page); +} + +static void parse_cfg_cmd(struct ubl_header *ublhdr, int32_t cmd, char *token, +				char *name, int lineno, int fld, int dcd_len) +{ +	static int cmd_ver_first = ~0; + +	switch (cmd) { +	case CMD_BOOT_MODE: +		ublhdr->magic = get_table_entry_id(ublimage_bootops, +					"ublimage special boot mode", token); +		if (ublhdr->magic == -1) { +			fprintf(stderr, "Error: %s[%d] -Invalid boot mode" +				"(%s)\n", name, lineno, token); +			exit(EXIT_FAILURE); +		} +		ublhdr->magic += UBL_MAGIC_BASE; +		if (unlikely(cmd_ver_first != 1)) +			cmd_ver_first = 0; +		break; +	case CMD_ENTRY: +		ublhdr->entry = get_cfg_value(token, name, lineno); +		break; +	case CMD_PAGE: +		ublhdr->pages = get_cfg_value(token, name, lineno); +		break; +	case CMD_ST_BLOCK: +		ublhdr->block = get_cfg_value(token, name, lineno); +		break; +	case CMD_ST_PAGE: +		ublhdr->page = get_cfg_value(token, name, lineno); +		break; +	case CMD_LD_ADDR: +		ublhdr->pll_m = get_cfg_value(token, name, lineno); +		break; +	} +} + +static void parse_cfg_fld(struct ubl_header *ublhdr, int32_t *cmd, +		char *token, char *name, int lineno, int fld, int *dcd_len) +{ + +	switch (fld) { +	case CFG_COMMAND: +		*cmd = get_table_entry_id(ublimage_cmds, +			"ublimage commands", token); +		if (*cmd < 0) { +			fprintf(stderr, "Error: %s[%d] - Invalid command" +			"(%s)\n", name, lineno, token); +			exit(EXIT_FAILURE); +		} +		break; +	case CFG_REG_VALUE: +		parse_cfg_cmd(ublhdr, *cmd, token, name, lineno, fld, *dcd_len); +		break; +	default: +		break; +	} +} +static uint32_t parse_cfg_file(struct ubl_header *ublhdr, char *name) +{ +	FILE *fd = NULL; +	char *line = NULL; +	char *token, *saveptr1, *saveptr2; +	int lineno = 0; +	int	i; +	char *ptr = (char *)ublhdr; +	int fld; +	size_t len; +	int dcd_len = 0; +	int32_t cmd; +	int ublhdrlen = sizeof(struct ubl_header); + +	fd = fopen(name, "r"); +	if (fd == 0) { +		fprintf(stderr, "Error: %s - Can't open DCD file\n", name); +		exit(EXIT_FAILURE); +	} + +	/* Fill header with 0xff */ +	for (i = 0; i < ublhdrlen; i++) { +		*ptr = 0xff; +		ptr++; +	} + +	/* +	 * Very simple parsing, line starting with # are comments +	 * and are dropped +	 */ +	while ((getline(&line, &len, fd)) > 0) { +		lineno++; + +		token = strtok_r(line, "\r\n", &saveptr1); +		if (token == NULL) +			continue; + +		/* Check inside the single line */ +		for (fld = CFG_COMMAND, cmd = CMD_INVALID, +				line = token; ; line = NULL, fld++) { +			token = strtok_r(line, " \t", &saveptr2); +			if (token == NULL) +				break; + +			/* Drop all text starting with '#' as comments */ +			if (token[0] == '#') +				break; + +			parse_cfg_fld(ublhdr, &cmd, token, name, +					lineno, fld, &dcd_len); +		} +	} +	fclose(fd); + +	return dcd_len; +} + +static int ublimage_check_image_types(uint8_t type) +{ +	if (type == IH_TYPE_UBLIMAGE) +		return EXIT_SUCCESS; +	else +		return EXIT_FAILURE; +} + +static int ublimage_verify_header(unsigned char *ptr, int image_size, +			struct mkimage_params *params) +{ +	return 0; +} + +static void ublimage_print_header(const void *ptr) +{ +	struct ubl_header *ubl_hdr = (struct ubl_header *) ptr; + +	print_hdr(ubl_hdr); +} + +static void ublimage_set_header(void *ptr, struct stat *sbuf, int ifd, +				struct mkimage_params *params) +{ +	struct ubl_header *ublhdr = (struct ubl_header *)ptr; + +	/* Parse configuration file */ +	parse_cfg_file(ublhdr, params->imagename); +} + +int ublimage_check_params(struct mkimage_params *params) +{ +	if (!params) +		return CFG_INVALID; +	if (!strlen(params->imagename)) { +		fprintf(stderr, "Error: %s - Configuration file not" +			"specified, it is needed for ublimage generation\n", +			params->cmdname); +		return CFG_INVALID; +	} +	/* +	 * Check parameters: +	 * XIP is not allowed and verify that incompatible +	 * parameters are not sent at the same time +	 * For example, if list is required a data image must not be provided +	 */ +	return	(params->dflag && (params->fflag || params->lflag)) || +		(params->fflag && (params->dflag || params->lflag)) || +		(params->lflag && (params->dflag || params->fflag)) || +		(params->xflag) || !(strlen(params->imagename)); +} + +/* + * ublimage parameters + */ +static struct image_type_params ublimage_params = { +	.name		= "Davinci UBL boot support", +	.header_size	= sizeof(struct ubl_header), +	.hdr		= (void *)&ublimage_header, +	.check_image_type = ublimage_check_image_types, +	.verify_header	= ublimage_verify_header, +	.print_header	= ublimage_print_header, +	.set_header	= ublimage_set_header, +	.check_params	= ublimage_check_params, +}; + +void init_ubl_image_type(void) +{ +	mkimage_register(&ublimage_params); +} |