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

/*
 * (C) Copyright 2011
 * Stefano Babic, DENX Software Engineering, [email protected].
 *
 * SPDX-License-Identifier:	GPL-2.0+
 */

#include "imagetool.h"
#include "aisimage.h"
#include <image.h>

#define IS_FNC_EXEC(c)	(cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD)
#define WORD_ALIGN0	4
#define WORD_ALIGN(len) (((len)+WORD_ALIGN0-1) & ~(WORD_ALIGN0-1))
#define MAX_CMD_BUFFER	4096

static uint32_t ais_img_size;

/*
 * Supported commands for configuration file
 */
static table_entry_t aisimage_cmds[] = {
	{CMD_DATA,		"DATA",		"Reg Write Data"},
	{CMD_FILL,		"FILL",		"Fill range with pattern"},
	{CMD_CRCON,		"CRCON",	"CRC Enable"},
	{CMD_CRCOFF,		"CRCOFF",	"CRC Disable"},
	{CMD_CRCCHECK,		"CRCCHECK",	"CRC Validate"},
	{CMD_JMPCLOSE,		"JMPCLOSE",	"Jump & Close"},
	{CMD_JMP,		"JMP",		"Jump"},
	{CMD_SEQREAD,		"SEQREAD",	"Sequential read"},
	{CMD_PLL0,		"PLL0",		"PLL0"},
	{CMD_PLL1,		"PLL1",		"PLL1"},
	{CMD_CLK,		"CLK",		"Clock configuration"},
	{CMD_DDR2,		"DDR2",		"DDR2 Configuration"},
	{CMD_EMIFA,		"EMIFA",	"EMIFA"},
	{CMD_EMIFA_ASYNC,	"EMIFA_ASYNC",	"EMIFA Async"},
	{CMD_PLL,		"PLL",		"PLL & Clock configuration"},
	{CMD_PSC,		"PSC",		"PSC setup"},
	{CMD_PINMUX,		"PINMUX",	"Pinmux setup"},
	{CMD_BOOTTABLE,		"BOOT_TABLE",	"Boot table command"},
	{-1,			"",		""},
};

static struct ais_func_exec {
	uint32_t index;
	uint32_t argcnt;
} ais_func_table[] = {
	[CMD_PLL0] = {0, 2},
	[CMD_PLL1] = {1, 2},
	[CMD_CLK] = {2, 1},
	[CMD_DDR2] = {3, 8},
	[CMD_EMIFA] = {4, 5},
	[CMD_EMIFA_ASYNC] = {5, 5},
	[CMD_PLL] = {6, 3},
	[CMD_PSC] = {7, 1},
	[CMD_PINMUX] = {8, 3}
};

static struct cmd_table_t {
	uint32_t nargs;
	uint32_t AIS_cmd;
} cmd_table[] = {
	[CMD_FILL]	 =	{	4,	AIS_CMD_FILL},
	[CMD_CRCON]	=	{	0,	AIS_CMD_ENCRC},
	[CMD_CRCOFF]	=	{	0,	AIS_CMD_DISCRC},
	[CMD_CRCCHECK]	=	{	2,	AIS_CMD_ENCRC},
	[CMD_JMPCLOSE]	=	{	1,	AIS_CMD_JMPCLOSE},
	[CMD_JMP]	=	{	1,	AIS_CMD_JMP},
	[CMD_SEQREAD]	=	{	0,	AIS_CMD_SEQREAD},
	[CMD_PLL0]	=	{	2,	AIS_CMD_FNLOAD},
	[CMD_PLL1]	=	{	2,	AIS_CMD_FNLOAD},
	[CMD_CLK]	=	{	1,	AIS_CMD_FNLOAD},
	[CMD_DDR2]	=	{	8,	AIS_CMD_FNLOAD},
	[CMD_EMIFA]	=	{	5,	AIS_CMD_FNLOAD},
	[CMD_EMIFA_ASYNC] =	{	5,	AIS_CMD_FNLOAD},
	[CMD_PLL]	=	{	3,	AIS_CMD_FNLOAD},
	[CMD_PSC]	=	{	1,	AIS_CMD_FNLOAD},
	[CMD_PINMUX]	=	{	3,	AIS_CMD_FNLOAD},
	[CMD_BOOTTABLE]	=	{	4,	AIS_CMD_BOOTTBL},
};

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 int get_ais_table_id(uint32_t *ptr)
{

	int i;
	int func_no;

	for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
		if (*ptr == cmd_table[i].AIS_cmd) {
			if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD)
				return i;

			func_no = ((struct ais_cmd_func *)ptr)->func_args
				& 0xFFFF;
			if (func_no == ais_func_table[i].index)
				return i;
		}
	}

	return -1;
}

static void aisimage_print_header(const void *hdr)
{
	struct ais_header *ais_hdr = (struct ais_header *)hdr;
	uint32_t *ptr;
	struct ais_cmd_load *ais_load;
	int id;

	if (ais_hdr->magic != AIS_MAGIC_WORD) {
		fprintf(stderr, "Error: - AIS Magic Number not found\n");
		return;
	}
	fprintf(stdout, "Image Type:   TI Davinci AIS Boot Image\n");
	fprintf(stdout, "AIS magic :   %08x\n", ais_hdr->magic);
	ptr = (uint32_t *)&ais_hdr->magic;
	ptr++;

	while (*ptr != AIS_CMD_JMPCLOSE) {
		/* Check if we find the image */
		if (*ptr == AIS_CMD_LOAD) {
			ais_load = (struct ais_cmd_load *)ptr;
			fprintf(stdout, "Image at  :   0x%08x size 0x%08x\n",
				ais_load->addr,
				ais_load->size);
			ptr = ais_load->data + ais_load->size / sizeof(*ptr);
			continue;
		}

		id = get_ais_table_id(ptr);
		if (id < 0) {
			fprintf(stderr, "Error: -  AIS Image corrupted\n");
			return;
		}
		fprintf(stdout, "AIS cmd   :   %s\n",
			get_table_entry_name(aisimage_cmds, NULL, id));
		ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1;
		if (((void *)ptr - hdr) > ais_img_size) {
			fprintf(stderr,
				"AIS Image not terminated by JMPCLOSE\n");
			return;
		}
	}
}

static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs,
	uint32_t *parms, struct image_type_params *tparams,
	uint32_t *ptr)
{
	int i;

	*ptr++ = cmd_table[cmd].AIS_cmd;
	if (IS_FNC_EXEC(cmd))
		*ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index;

	/* Copy parameters */
	for (i = 0; i < nargs; i++)
		*ptr++ = cpu_to_le32(parms[i]);

	return ptr;

}

static uint32_t *ais_alloc_buffer(struct image_tool_params *params)
{
	int dfd;
	struct stat sbuf;
	char *datafile = params->datafile;
	uint32_t *ptr;

	dfd = open(datafile, O_RDONLY|O_BINARY);
	if (dfd < 0) {
		fprintf(stderr, "%s: Can't open %s: %s\n",
			params->cmdname, datafile, strerror(errno));
		exit(EXIT_FAILURE);
	}

	if (fstat(dfd, &sbuf) < 0) {
		fprintf(stderr, "%s: Can't stat %s: %s\n",
			params->cmdname, datafile, strerror(errno));
		exit(EXIT_FAILURE);
	}

	/*
	 * Place for header is allocated. The size is taken from
	 * the size of the datafile, that the ais_image_generate()
	 * will copy into the header. Copying the datafile
	 * is not left to the main program, because after the datafile
	 * the header must be terminated with the Jump & Close command.
	 */
	ais_img_size = WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER;
	ptr = (uint32_t *)malloc(WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER);
	if (!ptr) {
		fprintf(stderr, "%s: malloc return failure: %s\n",
			params->cmdname, strerror(errno));
		exit(EXIT_FAILURE);
	}

	close(dfd);

	return ptr;
}

static uint32_t *ais_copy_image(struct image_tool_params *params,
	uint32_t *aisptr)

{
	int dfd;
	struct stat sbuf;
	char *datafile = params->datafile;
	void *ptr;

	dfd = open(datafile, O_RDONLY|O_BINARY);
	if (dfd < 0) {
		fprintf(stderr, "%s: Can't open %s: %s\n",
			params->cmdname, datafile, strerror(errno));
		exit(EXIT_FAILURE);
	}

	if (fstat(dfd, &sbuf) < 0) {
		fprintf(stderr, "%s: Can't stat %s: %s\n",
			params->cmdname, datafile, strerror(errno));
		exit(EXIT_FAILURE);
	}

	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
	*aisptr++ = AIS_CMD_LOAD;
	*aisptr++ = params->ep;
	*aisptr++ = sbuf.st_size;
	memcpy((void *)aisptr, ptr, sbuf.st_size);
	aisptr += WORD_ALIGN(sbuf.st_size) / sizeof(uint32_t);

	(void) munmap((void *)ptr, sbuf.st_size);
	(void) close(dfd);

	return aisptr;

}

static int aisimage_generate(struct image_tool_params *params,
	struct image_type_params *tparams)
{
	FILE *fd = NULL;
	char *line = NULL;
	char *token, *saveptr1, *saveptr2;
	int lineno = 0;
	int fld;
	size_t len;
	int32_t cmd;
	uint32_t nargs, cmd_parms[10];
	uint32_t value, size;
	char *name = params->imagename;
	uint32_t *aishdr;

	fd = fopen(name, "r");
	if (fd == 0) {
		fprintf(stderr,
			"Error: %s - Can't open AIS configuration\n", name);
		exit(EXIT_FAILURE);
	}

	/*
	 * the size of the header is variable and is computed
	 * scanning the configuration file.
	 */
	tparams->header_size = 0;

	/*
	 * Start allocating a buffer suitable for most command
	 * The buffer is then reallocated if it is too small
	 */
	aishdr = ais_alloc_buffer(params);
	tparams->hdr = aishdr;
	*aishdr++ = AIS_MAGIC_WORD;

	/* 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 */
		line = token;
		fld = CFG_COMMAND;
		cmd = CMD_INVALID;
		nargs = 0;
		while (token != NULL) {
			token = strtok_r(line, " \t", &saveptr2);
			if (token == NULL)
				break;

			/* Drop all text starting with '#' as comments */
			if (token[0] == '#')
				break;

			switch (fld) {
			case CFG_COMMAND:
				cmd = get_table_entry_id(aisimage_cmds,
					"aisimage commands", token);
				if (cmd < 0) {
					fprintf(stderr,
					"Error: %s[%d] - Invalid command"
					"(%s)\n", name, lineno, token);

					exit(EXIT_FAILURE);
				}
				break;
			case CFG_VALUE:
				value = get_cfg_value(token, name, lineno);
				cmd_parms[nargs++] = value;
				if (nargs > cmd_table[cmd].nargs) {
					fprintf(stderr,
					 "Error: %s[%d] - too much arguments:"
						"(%s) for command %s\n", name,
						lineno, token,
						aisimage_cmds[cmd].sname);
					exit(EXIT_FAILURE);
				}
				break;
			}
			line = NULL;
			fld = CFG_VALUE;
		}
		if (cmd != CMD_INVALID) {
			/* Now insert the command into the header */
			aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms,
				tparams, aishdr);
		}

	}
	fclose(fd);

	aishdr = ais_copy_image(params, aishdr);

	/* Add Jmp & Close */
	*aishdr++ = AIS_CMD_JMPCLOSE;
	*aishdr++ = params->ep;

	size = (aishdr - (uint32_t *)tparams->hdr) * sizeof(uint32_t);
	tparams->header_size = size;

	return 0;
}

static int aisimage_check_image_types(uint8_t type)
{
	if (type == IH_TYPE_AISIMAGE)
		return EXIT_SUCCESS;
	else
		return EXIT_FAILURE;
}

static int aisimage_verify_header(unsigned char *ptr, int image_size,
			struct image_tool_params *params)
{
	struct ais_header *ais_hdr = (struct ais_header *)ptr;

	if (ais_hdr->magic != AIS_MAGIC_WORD)
		return -FDT_ERR_BADSTRUCTURE;

	/* Store the total size to remember in print_hdr */
	ais_img_size = image_size;

	return 0;
}

static void aisimage_set_header(void *ptr, struct stat *sbuf, int ifd,
				struct image_tool_params *params)
{
}

int aisimage_check_params(struct image_tool_params *params)
{
	if (!params)
		return CFG_INVALID;
	if (!strlen(params->imagename)) {
		fprintf(stderr, "Error: %s - Configuration file not specified, "
			"it is needed for aisimage 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));
}

/*
 * aisimage parameters
 */
static struct image_type_params aisimage_params = {
	.name		= "TI Davinci AIS Boot Image support",
	.header_size	= 0,
	.hdr		= NULL,
	.check_image_type = aisimage_check_image_types,
	.verify_header	= aisimage_verify_header,
	.print_header	= aisimage_print_header,
	.set_header	= aisimage_set_header,
	.check_params	= aisimage_check_params,
	.vrec_header	= aisimage_generate,
};

void init_ais_image_type(void)
{
	register_image_type(&aisimage_params);
}
Commit	Line	Data
4962e38e SB	1	/*
	2	* (C) Copyright 2011
	3	* Stefano Babic, DENX Software Engineering, [email protected].
	4	*
3765b3e7	5	* SPDX-License-Identifier: GPL-2.0+
4962e38e SB	6	*/
4962e38e SB	7
f86ed6a8	8	#include "imagetool.h"
4962e38e SB	9	#include "aisimage.h"
	10	#include <image.h>
	11
	12	#define IS_FNC_EXEC(c) (cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD)
	13	#define WORD_ALIGN0 4
	14	#define WORD_ALIGN(len) (((len)+WORD_ALIGN0-1) & ~(WORD_ALIGN0-1))
	15	#define MAX_CMD_BUFFER 4096
4962e38e SB	16
	17	static uint32_t ais_img_size;
	18
	19	/*
	20	* Supported commands for configuration file
	21	*/
	22	static table_entry_t aisimage_cmds[] = {
	23	{CMD_DATA, "DATA", "Reg Write Data"},
	24	{CMD_FILL, "FILL", "Fill range with pattern"},
	25	{CMD_CRCON, "CRCON", "CRC Enable"},
	26	{CMD_CRCOFF, "CRCOFF", "CRC Disable"},
	27	{CMD_CRCCHECK, "CRCCHECK", "CRC Validate"},
	28	{CMD_JMPCLOSE, "JMPCLOSE", "Jump & Close"},
	29	{CMD_JMP, "JMP", "Jump"},
	30	{CMD_SEQREAD, "SEQREAD", "Sequential read"},
	31	{CMD_PLL0, "PLL0", "PLL0"},
	32	{CMD_PLL1, "PLL1", "PLL1"},
	33	{CMD_CLK, "CLK", "Clock configuration"},
	34	{CMD_DDR2, "DDR2", "DDR2 Configuration"},
	35	{CMD_EMIFA, "EMIFA", "EMIFA"},
	36	{CMD_EMIFA_ASYNC, "EMIFA_ASYNC", "EMIFA Async"},
	37	{CMD_PLL, "PLL", "PLL & Clock configuration"},
	38	{CMD_PSC, "PSC", "PSC setup"},
	39	{CMD_PINMUX, "PINMUX", "Pinmux setup"},
	40	{CMD_BOOTTABLE, "BOOT_TABLE", "Boot table command"},
	41	{-1, "", ""},
	42	};
	43
	44	static struct ais_func_exec {
	45	uint32_t index;
	46	uint32_t argcnt;
	47	} ais_func_table[] = {
	48	[CMD_PLL0] = {0, 2},
	49	[CMD_PLL1] = {1, 2},
	50	[CMD_CLK] = {2, 1},
	51	[CMD_DDR2] = {3, 8},
	52	[CMD_EMIFA] = {4, 5},
	53	[CMD_EMIFA_ASYNC] = {5, 5},
	54	[CMD_PLL] = {6, 3},
	55	[CMD_PSC] = {7, 1},
	56	[CMD_PINMUX] = {8, 3}
	57	};
	58
	59	static struct cmd_table_t {
	60	uint32_t nargs;
	61	uint32_t AIS_cmd;
	62	} cmd_table[] = {
	63	[CMD_FILL] = { 4, AIS_CMD_FILL},
	64	[CMD_CRCON] = { 0, AIS_CMD_ENCRC},
	65	[CMD_CRCOFF] = { 0, AIS_CMD_DISCRC},
	66	[CMD_CRCCHECK] = { 2, AIS_CMD_ENCRC},
	67	[CMD_JMPCLOSE] = { 1, AIS_CMD_JMPCLOSE},
	68	[CMD_JMP] = { 1, AIS_CMD_JMP},
	69	[CMD_SEQREAD] = { 0, AIS_CMD_SEQREAD},
	70	[CMD_PLL0] = { 2, AIS_CMD_FNLOAD},
	71	[CMD_PLL1] = { 2, AIS_CMD_FNLOAD},
	72	[CMD_CLK] = { 1, AIS_CMD_FNLOAD},
	73	[CMD_DDR2] = { 8, AIS_CMD_FNLOAD},
	74	[CMD_EMIFA] = { 5, AIS_CMD_FNLOAD},
	75	[CMD_EMIFA_ASYNC] = { 5, AIS_CMD_FNLOAD},
	76	[CMD_PLL] = { 3, AIS_CMD_FNLOAD},
	77	[CMD_PSC] = { 1, AIS_CMD_FNLOAD},
	78	[CMD_PINMUX] = { 3, AIS_CMD_FNLOAD},
	79	[CMD_BOOTTABLE] = { 4, AIS_CMD_BOOTTBL},
80	};
81
82	static uint32_t get_cfg_value(char token, char name, int linenr)
83	{
84	char *endptr;
85	uint32_t value;
86
87	errno = 0;
88	value = strtoul(token, &endptr, 16);
89	if (errno \|\| (token == endptr)) {
90	fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
91	name, linenr, token);
92	exit(EXIT_FAILURE);
93	}
94	return value;
95	}
96
97	static int get_ais_table_id(uint32_t *ptr)
98	{
99
100	int i;
101	int func_no;
102
103	for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
104	if (*ptr == cmd_table[i].AIS_cmd) {
105	if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD)
106	return i;
107
108	func_no = ((struct ais_cmd_func *)ptr)->func_args
109	& 0xFFFF;
110	if (func_no == ais_func_table[i].index)
111	return i;
112	}
113	}
114
115	return -1;
116	}
117
118	static void aisimage_print_header(const void *hdr)
119	{
120	struct ais_header ais_hdr = (struct ais_header )hdr;
121	uint32_t *ptr;
122	struct ais_cmd_load *ais_load;
123	int id;
124
125	if (ais_hdr->magic != AIS_MAGIC_WORD) {
126	fprintf(stderr, "Error: - AIS Magic Number not found\n");
127	return;
128	}
129	fprintf(stdout, "Image Type: TI Davinci AIS Boot Image\n");
130	fprintf(stdout, "AIS magic : %08x\n", ais_hdr->magic);
131	ptr = (uint32_t *)&ais_hdr->magic;
132	ptr++;
133
134	while (*ptr != AIS_CMD_JMPCLOSE) {
135	/* Check if we find the image */
136	if (*ptr == AIS_CMD_LOAD) {
137	ais_load = (struct ais_cmd_load *)ptr;
138	fprintf(stdout, "Image at : 0x%08x size 0x%08x\n",
139	ais_load->addr,
140	ais_load->size);
141	ptr = ais_load->data + ais_load->size / sizeof(*ptr);
142	continue;
143	}
144
145	id = get_ais_table_id(ptr);
146	if (id < 0) {
147	fprintf(stderr, "Error: - AIS Image corrupted\n");
148	return;
149	}
150	fprintf(stdout, "AIS cmd : %s\n",
151	get_table_entry_name(aisimage_cmds, NULL, id));
152	ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1;
153	if (((void *)ptr - hdr) > ais_img_size) {
154	fprintf(stderr,
155	"AIS Image not terminated by JMPCLOSE\n");
156	return;
157	}
158	}
159	}
160
161	static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs,
162	uint32_t parms, struct image_type_params tparams,
94e9d4c3	163	uint32_t *ptr)
4962e38e SB	164	{
	165	int i;
	166
	167	*ptr++ = cmd_table[cmd].AIS_cmd;
	168	if (IS_FNC_EXEC(cmd))
	169	*ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index;
	170
	171	/* Copy parameters */
	172	for (i = 0; i < nargs; i++)
	173	*ptr++ = cpu_to_le32(parms[i]);
	174
	175	return ptr;
	176
	177	}
	178
f86ed6a8	179	static uint32_t ais_alloc_buffer(struct image_tool_params params)
4962e38e SB	180	{
	181	int dfd;
	182	struct stat sbuf;
	183	char *datafile = params->datafile;
	184	uint32_t *ptr;
	185
	186	dfd = open(datafile, O_RDONLY\|O_BINARY);
	187	if (dfd < 0) {
	188	fprintf(stderr, "%s: Can't open %s: %s\n",
	189	params->cmdname, datafile, strerror(errno));
	190	exit(EXIT_FAILURE);
	191	}
	192
	193	if (fstat(dfd, &sbuf) < 0) {
	194	fprintf(stderr, "%s: Can't stat %s: %s\n",
	195	params->cmdname, datafile, strerror(errno));
	196	exit(EXIT_FAILURE);
	197	}
	198
	199	/*
	200	* Place for header is allocated. The size is taken from
	201	* the size of the datafile, that the ais_image_generate()
	202	* will copy into the header. Copying the datafile
	203	* is not left to the main program, because after the datafile
	204	* the header must be terminated with the Jump & Close command.
	205	*/
	206	ais_img_size = WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER;
	207	ptr = (uint32_t *)malloc(WORD_ALIGN(sbuf.st_size) + MAX_CMD_BUFFER);
	208	if (!ptr) {
	209	fprintf(stderr, "%s: malloc return failure: %s\n",
	210	params->cmdname, strerror(errno));
	211	exit(EXIT_FAILURE);
	212	}
	213
	214	close(dfd);
	215
	216	return ptr;
	217	}
	218
f86ed6a8	219	static uint32_t ais_copy_image(struct image_tool_params params,
4962e38e SB	220	uint32_t *aisptr)
	221
	222	{
	223	int dfd;
	224	struct stat sbuf;
	225	char *datafile = params->datafile;
	226	void *ptr;
	227
	228	dfd = open(datafile, O_RDONLY\|O_BINARY);
	229	if (dfd < 0) {
	230	fprintf(stderr, "%s: Can't open %s: %s\n",
	231	params->cmdname, datafile, strerror(errno));
	232	exit(EXIT_FAILURE);
	233	}
	234
	235	if (fstat(dfd, &sbuf) < 0) {
	236	fprintf(stderr, "%s: Can't stat %s: %s\n",
	237	params->cmdname, datafile, strerror(errno));
	238	exit(EXIT_FAILURE);
	239	}
	240
	241	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
	242	*aisptr++ = AIS_CMD_LOAD;
	243	*aisptr++ = params->ep;
	244	*aisptr++ = sbuf.st_size;
	245	memcpy((void *)aisptr, ptr, sbuf.st_size);
	246	aisptr += WORD_ALIGN(sbuf.st_size) / sizeof(uint32_t);
	247
	248	(void) munmap((void *)ptr, sbuf.st_size);
	249	(void) close(dfd);
	250
	251	return aisptr;
	252
	253	}
	254
f86ed6a8	255	static int aisimage_generate(struct image_tool_params *params,
4962e38e SB	256	struct image_type_params *tparams)
	257	{
	258	FILE *fd = NULL;
	259	char *line = NULL;
	260	char token, saveptr1, *saveptr2;
	261	int lineno = 0;
	262	int fld;
	263	size_t len;
	264	int32_t cmd;
	265	uint32_t nargs, cmd_parms[10];
	266	uint32_t value, size;
	267	char *name = params->imagename;
94e9d4c3	268	uint32_t *aishdr;
4962e38e SB	269
	270	fd = fopen(name, "r");
	271	if (fd == 0) {
	272	fprintf(stderr,
	273	"Error: %s - Can't open AIS configuration\n", name);
	274	exit(EXIT_FAILURE);
	275	}
	276
	277	/*
	278	* the size of the header is variable and is computed
	279	* scanning the configuration file.
	280	*/
	281	tparams->header_size = 0;
	282
	283	/*
	284	* Start allocating a buffer suitable for most command
	285	* The buffer is then reallocated if it is too small
	286	*/
	287	aishdr = ais_alloc_buffer(params);
	288	tparams->hdr = aishdr;
	289	*aishdr++ = AIS_MAGIC_WORD;
	290
	291	/* Very simple parsing, line starting with # are comments
	292	* and are dropped
	293	*/
	294	while ((getline(&line, &len, fd)) > 0) {
	295	lineno++;
	296
	297	token = strtok_r(line, "\r\n", &saveptr1);
	298	if (token == NULL)
	299	continue;
	300
	301	/* Check inside the single line */
	302	line = token;
	303	fld = CFG_COMMAND;
	304	cmd = CMD_INVALID;
	305	nargs = 0;
	306	while (token != NULL) {
	307	token = strtok_r(line, " \t", &saveptr2);
	308	if (token == NULL)
	309	break;
	310
	311	/* Drop all text starting with '#' as comments */
	312	if (token[0] == '#')
	313	break;
	314
	315	switch (fld) {
	316	case CFG_COMMAND:
	317	cmd = get_table_entry_id(aisimage_cmds,
	318	"aisimage commands", token);
	319	if (cmd < 0) {
	320	fprintf(stderr,
	321	"Error: %s[%d] - Invalid command"
	322	"(%s)\n", name, lineno, token);
	323
	324	exit(EXIT_FAILURE);
	325	}
	326	break;
	327	case CFG_VALUE:
	328	value = get_cfg_value(token, name, lineno);
	329	cmd_parms[nargs++] = value;
	330	if (nargs > cmd_table[cmd].nargs) {
	331	fprintf(stderr,
	332	"Error: %s[%d] - too much arguments:"
333	"(%s) for command %s\n", name,
334	lineno, token,
335	aisimage_cmds[cmd].sname);
336	exit(EXIT_FAILURE);
337	}
338	break;
339	}
340	line = NULL;
341	fld = CFG_VALUE;
342	}
343	if (cmd != CMD_INVALID) {
344	/* Now insert the command into the header */
345	aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms,
94e9d4c3	346	tparams, aishdr);
4962e38e SB	347	}
	348
	349	}
	350	fclose(fd);
	351
	352	aishdr = ais_copy_image(params, aishdr);
	353
	354	/* Add Jmp & Close */
	355	*aishdr++ = AIS_CMD_JMPCLOSE;
	356	*aishdr++ = params->ep;
	357
	358	size = (aishdr - (uint32_t )tparams->hdr) sizeof(uint32_t);
	359	tparams->header_size = size;
	360
	361	return 0;
	362	}
	363
	364	static int aisimage_check_image_types(uint8_t type)
	365	{
	366	if (type == IH_TYPE_AISIMAGE)
	367	return EXIT_SUCCESS;
	368	else
	369	return EXIT_FAILURE;
	370	}
	371
	372	static int aisimage_verify_header(unsigned char *ptr, int image_size,
f86ed6a8	373	struct image_tool_params *params)
4962e38e SB	374	{
	375	struct ais_header ais_hdr = (struct ais_header )ptr;
	376
	377	if (ais_hdr->magic != AIS_MAGIC_WORD)
	378	return -FDT_ERR_BADSTRUCTURE;
	379
	380	/* Store the total size to remember in print_hdr */
	381	ais_img_size = image_size;
	382
	383	return 0;
	384	}
	385
	386	static void aisimage_set_header(void ptr, struct stat sbuf, int ifd,
f86ed6a8	387	struct image_tool_params *params)
4962e38e SB	388	{
	389	}
	390
f86ed6a8	391	int aisimage_check_params(struct image_tool_params *params)
4962e38e SB	392	{
	393	if (!params)
	394	return CFG_INVALID;
	395	if (!strlen(params->imagename)) {
	396	fprintf(stderr, "Error: %s - Configuration file not specified, "
	397	"it is needed for aisimage generation\n",
	398	params->cmdname);
	399	return CFG_INVALID;
	400	}
	401	/*
	402	* Check parameters:
	403	* XIP is not allowed and verify that incompatible
	404	* parameters are not sent at the same time
	405	* For example, if list is required a data image must not be provided
	406	*/
	407	return (params->dflag && (params->fflag \|\| params->lflag)) \|\|
	408	(params->fflag && (params->dflag \|\| params->lflag)) \|\|
	409	(params->lflag && (params->dflag \|\| params->fflag)) \|\|
	410	(params->xflag) \|\| !(strlen(params->imagename));
	411	}
	412
	413	/*
	414	* aisimage parameters
	415	*/
	416	static struct image_type_params aisimage_params = {
	417	.name = "TI Davinci AIS Boot Image support",
	418	.header_size = 0,
	419	.hdr = NULL,
	420	.check_image_type = aisimage_check_image_types,
	421	.verify_header = aisimage_verify_header,
	422	.print_header = aisimage_print_header,
	423	.set_header = aisimage_set_header,
	424	.check_params = aisimage_check_params,
	425	.vrec_header = aisimage_generate,
	426	};
	427
	428	void init_ais_image_type(void)
	429	{
f86ed6a8	430	register_image_type(&aisimage_params);
4962e38e	431	}