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

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

#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 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 = ALIGN(sbuf.st_size, WORD_ALIGN0) + MAX_CMD_BUFFER;
	ptr = (uint32_t *)malloc(ALIGN(sbuf.st_size, WORD_ALIGN0)
			+ 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 += ALIGN(sbuf.st_size, WORD_ALIGN0) / 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
 */
U_BOOT_IMAGE_TYPE(
	aisimage,
	"TI Davinci AIS Boot Image support",
	0,
	NULL,
	aisimage_check_params,
	aisimage_verify_header,
	aisimage_print_header,
	aisimage_set_header,
	NULL,
	aisimage_check_image_types,
	NULL,
	aisimage_generate
);
Commit	Line	Data
83d290c5	1	// SPDX-License-Identifier: GPL-2.0+
4962e38e SB	2	/*
	3	* (C) Copyright 2011
	4	* Stefano Babic, DENX Software Engineering, [email protected].
4962e38e SB	5	*/
4962e38e SB	6
f86ed6a8	7	#include "imagetool.h"
4962e38e SB	8	#include "aisimage.h"
	9	#include <image.h>
	10
	11	#define IS_FNC_EXEC(c) (cmd_table[c].AIS_cmd == AIS_CMD_FNLOAD)
	12	#define WORD_ALIGN0 4
4962e38e	13	#define MAX_CMD_BUFFER 4096
4962e38e SB	14
	15	static uint32_t ais_img_size;
	16
	17	/*
	18	* Supported commands for configuration file
	19	*/
	20	static table_entry_t aisimage_cmds[] = {
	21	{CMD_DATA, "DATA", "Reg Write Data"},
	22	{CMD_FILL, "FILL", "Fill range with pattern"},
	23	{CMD_CRCON, "CRCON", "CRC Enable"},
	24	{CMD_CRCOFF, "CRCOFF", "CRC Disable"},
	25	{CMD_CRCCHECK, "CRCCHECK", "CRC Validate"},
	26	{CMD_JMPCLOSE, "JMPCLOSE", "Jump & Close"},
	27	{CMD_JMP, "JMP", "Jump"},
	28	{CMD_SEQREAD, "SEQREAD", "Sequential read"},
	29	{CMD_PLL0, "PLL0", "PLL0"},
	30	{CMD_PLL1, "PLL1", "PLL1"},
	31	{CMD_CLK, "CLK", "Clock configuration"},
	32	{CMD_DDR2, "DDR2", "DDR2 Configuration"},
	33	{CMD_EMIFA, "EMIFA", "EMIFA"},
	34	{CMD_EMIFA_ASYNC, "EMIFA_ASYNC", "EMIFA Async"},
	35	{CMD_PLL, "PLL", "PLL & Clock configuration"},
	36	{CMD_PSC, "PSC", "PSC setup"},
	37	{CMD_PINMUX, "PINMUX", "Pinmux setup"},
	38	{CMD_BOOTTABLE, "BOOT_TABLE", "Boot table command"},
	39	{-1, "", ""},
	40	};
	41
	42	static struct ais_func_exec {
	43	uint32_t index;
	44	uint32_t argcnt;
	45	} ais_func_table[] = {
	46	[CMD_PLL0] = {0, 2},
	47	[CMD_PLL1] = {1, 2},
	48	[CMD_CLK] = {2, 1},
	49	[CMD_DDR2] = {3, 8},
	50	[CMD_EMIFA] = {4, 5},
	51	[CMD_EMIFA_ASYNC] = {5, 5},
	52	[CMD_PLL] = {6, 3},
	53	[CMD_PSC] = {7, 1},
	54	[CMD_PINMUX] = {8, 3}
	55	};
	56
	57	static struct cmd_table_t {
	58	uint32_t nargs;
	59	uint32_t AIS_cmd;
	60	} cmd_table[] = {
	61	[CMD_FILL] = { 4, AIS_CMD_FILL},
	62	[CMD_CRCON] = { 0, AIS_CMD_ENCRC},
	63	[CMD_CRCOFF] = { 0, AIS_CMD_DISCRC},
	64	[CMD_CRCCHECK] = { 2, AIS_CMD_ENCRC},
	65	[CMD_JMPCLOSE] = { 1, AIS_CMD_JMPCLOSE},
	66	[CMD_JMP] = { 1, AIS_CMD_JMP},
	67	[CMD_SEQREAD] = { 0, AIS_CMD_SEQREAD},
	68	[CMD_PLL0] = { 2, AIS_CMD_FNLOAD},
	69	[CMD_PLL1] = { 2, AIS_CMD_FNLOAD},
	70	[CMD_CLK] = { 1, AIS_CMD_FNLOAD},
	71	[CMD_DDR2] = { 8, AIS_CMD_FNLOAD},
	72	[CMD_EMIFA] = { 5, AIS_CMD_FNLOAD},
	73	[CMD_EMIFA_ASYNC] = { 5, AIS_CMD_FNLOAD},
	74	[CMD_PLL] = { 3, AIS_CMD_FNLOAD},
	75	[CMD_PSC] = { 1, AIS_CMD_FNLOAD},
	76	[CMD_PINMUX] = { 3, AIS_CMD_FNLOAD},
	77	[CMD_BOOTTABLE] = { 4, AIS_CMD_BOOTTBL},
78	};
79
80	static uint32_t get_cfg_value(char token, char name, int linenr)
81	{
82	char *endptr;
83	uint32_t value;
84
85	errno = 0;
86	value = strtoul(token, &endptr, 16);
87	if (errno \|\| (token == endptr)) {
88	fprintf(stderr, "Error: %s[%d] - Invalid hex data(%s)\n",
89	name, linenr, token);
90	exit(EXIT_FAILURE);
91	}
92	return value;
93	}
94
95	static int get_ais_table_id(uint32_t *ptr)
96	{
97
98	int i;
99	int func_no;
100
101	for (i = 0; i < ARRAY_SIZE(cmd_table); i++) {
102	if (*ptr == cmd_table[i].AIS_cmd) {
103	if (cmd_table[i].AIS_cmd != AIS_CMD_FNLOAD)
104	return i;
105
106	func_no = ((struct ais_cmd_func *)ptr)->func_args
107	& 0xFFFF;
108	if (func_no == ais_func_table[i].index)
109	return i;
110	}
111	}
112
113	return -1;
114	}
115
116	static void aisimage_print_header(const void *hdr)
117	{
118	struct ais_header ais_hdr = (struct ais_header )hdr;
119	uint32_t *ptr;
120	struct ais_cmd_load *ais_load;
121	int id;
122
123	if (ais_hdr->magic != AIS_MAGIC_WORD) {
124	fprintf(stderr, "Error: - AIS Magic Number not found\n");
125	return;
126	}
127	fprintf(stdout, "Image Type: TI Davinci AIS Boot Image\n");
128	fprintf(stdout, "AIS magic : %08x\n", ais_hdr->magic);
129	ptr = (uint32_t *)&ais_hdr->magic;
130	ptr++;
131
132	while (*ptr != AIS_CMD_JMPCLOSE) {
133	/* Check if we find the image */
134	if (*ptr == AIS_CMD_LOAD) {
135	ais_load = (struct ais_cmd_load *)ptr;
136	fprintf(stdout, "Image at : 0x%08x size 0x%08x\n",
137	ais_load->addr,
138	ais_load->size);
139	ptr = ais_load->data + ais_load->size / sizeof(*ptr);
140	continue;
141	}
142
143	id = get_ais_table_id(ptr);
144	if (id < 0) {
145	fprintf(stderr, "Error: - AIS Image corrupted\n");
146	return;
147	}
148	fprintf(stdout, "AIS cmd : %s\n",
149	get_table_entry_name(aisimage_cmds, NULL, id));
150	ptr += cmd_table[id].nargs + IS_FNC_EXEC(id) + 1;
151	if (((void *)ptr - hdr) > ais_img_size) {
152	fprintf(stderr,
153	"AIS Image not terminated by JMPCLOSE\n");
154	return;
155	}
156	}
157	}
158
159	static uint32_t *ais_insert_cmd_header(uint32_t cmd, uint32_t nargs,
160	uint32_t parms, struct image_type_params tparams,
94e9d4c3	161	uint32_t *ptr)
4962e38e SB	162	{
	163	int i;
	164
	165	*ptr++ = cmd_table[cmd].AIS_cmd;
	166	if (IS_FNC_EXEC(cmd))
	167	*ptr++ = ((nargs & 0xFFFF) << 16) + ais_func_table[cmd].index;
	168
	169	/* Copy parameters */
	170	for (i = 0; i < nargs; i++)
	171	*ptr++ = cpu_to_le32(parms[i]);
	172
	173	return ptr;
	174
	175	}
	176
f86ed6a8	177	static uint32_t ais_alloc_buffer(struct image_tool_params params)
4962e38e SB	178	{
	179	int dfd;
	180	struct stat sbuf;
	181	char *datafile = params->datafile;
	182	uint32_t *ptr;
	183
	184	dfd = open(datafile, O_RDONLY\|O_BINARY);
	185	if (dfd < 0) {
	186	fprintf(stderr, "%s: Can't open %s: %s\n",
	187	params->cmdname, datafile, strerror(errno));
	188	exit(EXIT_FAILURE);
	189	}
	190
	191	if (fstat(dfd, &sbuf) < 0) {
	192	fprintf(stderr, "%s: Can't stat %s: %s\n",
	193	params->cmdname, datafile, strerror(errno));
	194	exit(EXIT_FAILURE);
	195	}
	196
	197	/*
	198	* Place for header is allocated. The size is taken from
	199	* the size of the datafile, that the ais_image_generate()
	200	* will copy into the header. Copying the datafile
	201	* is not left to the main program, because after the datafile
	202	* the header must be terminated with the Jump & Close command.
	203	*/
cd1cec63 KY	204	ais_img_size = ALIGN(sbuf.st_size, WORD_ALIGN0) + MAX_CMD_BUFFER;
	205	ptr = (uint32_t *)malloc(ALIGN(sbuf.st_size, WORD_ALIGN0)
	206	+ MAX_CMD_BUFFER);
4962e38e SB	207	if (!ptr) {
	208	fprintf(stderr, "%s: malloc return failure: %s\n",
	209	params->cmdname, strerror(errno));
	210	exit(EXIT_FAILURE);
	211	}
	212
	213	close(dfd);
	214
	215	return ptr;
	216	}
	217
f86ed6a8	218	static uint32_t ais_copy_image(struct image_tool_params params,
4962e38e SB	219	uint32_t *aisptr)
	220
	221	{
	222	int dfd;
	223	struct stat sbuf;
	224	char *datafile = params->datafile;
	225	void *ptr;
	226
	227	dfd = open(datafile, O_RDONLY\|O_BINARY);
	228	if (dfd < 0) {
	229	fprintf(stderr, "%s: Can't open %s: %s\n",
	230	params->cmdname, datafile, strerror(errno));
	231	exit(EXIT_FAILURE);
	232	}
	233
	234	if (fstat(dfd, &sbuf) < 0) {
	235	fprintf(stderr, "%s: Can't stat %s: %s\n",
	236	params->cmdname, datafile, strerror(errno));
	237	exit(EXIT_FAILURE);
	238	}
	239
	240	ptr = mmap(0, sbuf.st_size, PROT_READ, MAP_SHARED, dfd, 0);
	241	*aisptr++ = AIS_CMD_LOAD;
	242	*aisptr++ = params->ep;
	243	*aisptr++ = sbuf.st_size;
	244	memcpy((void *)aisptr, ptr, sbuf.st_size);
cd1cec63	245	aisptr += ALIGN(sbuf.st_size, WORD_ALIGN0) / sizeof(uint32_t);
4962e38e SB	246
	247	(void) munmap((void *)ptr, sbuf.st_size);
	248	(void) close(dfd);
	249
	250	return aisptr;
	251
	252	}
	253
f86ed6a8	254	static int aisimage_generate(struct image_tool_params *params,
4962e38e SB	255	struct image_type_params *tparams)
	256	{
	257	FILE *fd = NULL;
	258	char *line = NULL;
	259	char token, saveptr1, *saveptr2;
	260	int lineno = 0;
	261	int fld;
	262	size_t len;
	263	int32_t cmd;
	264	uint32_t nargs, cmd_parms[10];
	265	uint32_t value, size;
	266	char *name = params->imagename;
94e9d4c3	267	uint32_t *aishdr;
4962e38e SB	268
	269	fd = fopen(name, "r");
	270	if (fd == 0) {
	271	fprintf(stderr,
	272	"Error: %s - Can't open AIS configuration\n", name);
	273	exit(EXIT_FAILURE);
	274	}
	275
	276	/*
	277	* the size of the header is variable and is computed
	278	* scanning the configuration file.
	279	*/
	280	tparams->header_size = 0;
	281
	282	/*
	283	* Start allocating a buffer suitable for most command
	284	* The buffer is then reallocated if it is too small
	285	*/
	286	aishdr = ais_alloc_buffer(params);
	287	tparams->hdr = aishdr;
	288	*aishdr++ = AIS_MAGIC_WORD;
	289
	290	/* Very simple parsing, line starting with # are comments
	291	* and are dropped
	292	*/
	293	while ((getline(&line, &len, fd)) > 0) {
	294	lineno++;
	295
	296	token = strtok_r(line, "\r\n", &saveptr1);
	297	if (token == NULL)
	298	continue;
	299
	300	/* Check inside the single line */
	301	line = token;
	302	fld = CFG_COMMAND;
	303	cmd = CMD_INVALID;
	304	nargs = 0;
	305	while (token != NULL) {
	306	token = strtok_r(line, " \t", &saveptr2);
	307	if (token == NULL)
	308	break;
	309
	310	/* Drop all text starting with '#' as comments */
	311	if (token[0] == '#')
	312	break;
	313
	314	switch (fld) {
	315	case CFG_COMMAND:
	316	cmd = get_table_entry_id(aisimage_cmds,
	317	"aisimage commands", token);
	318	if (cmd < 0) {
	319	fprintf(stderr,
	320	"Error: %s[%d] - Invalid command"
	321	"(%s)\n", name, lineno, token);
	322
	323	exit(EXIT_FAILURE);
	324	}
	325	break;
	326	case CFG_VALUE:
	327	value = get_cfg_value(token, name, lineno);
	328	cmd_parms[nargs++] = value;
	329	if (nargs > cmd_table[cmd].nargs) {
	330	fprintf(stderr,
	331	"Error: %s[%d] - too much arguments:"
332	"(%s) for command %s\n", name,
333	lineno, token,
334	aisimage_cmds[cmd].sname);
335	exit(EXIT_FAILURE);
336	}
337	break;
338	}
339	line = NULL;
340	fld = CFG_VALUE;
341	}
342	if (cmd != CMD_INVALID) {
343	/* Now insert the command into the header */
344	aishdr = ais_insert_cmd_header(cmd, nargs, cmd_parms,
94e9d4c3	345	tparams, aishdr);
4962e38e SB	346	}
	347
	348	}
	349	fclose(fd);
	350
	351	aishdr = ais_copy_image(params, aishdr);
	352
	353	/* Add Jmp & Close */
	354	*aishdr++ = AIS_CMD_JMPCLOSE;
	355	*aishdr++ = params->ep;
	356
	357	size = (aishdr - (uint32_t )tparams->hdr) sizeof(uint32_t);
	358	tparams->header_size = size;
	359
	360	return 0;
	361	}
	362
	363	static int aisimage_check_image_types(uint8_t type)
	364	{
	365	if (type == IH_TYPE_AISIMAGE)
	366	return EXIT_SUCCESS;
	367	else
	368	return EXIT_FAILURE;
	369	}
	370
	371	static int aisimage_verify_header(unsigned char *ptr, int image_size,
f86ed6a8	372	struct image_tool_params *params)
4962e38e SB	373	{
	374	struct ais_header ais_hdr = (struct ais_header )ptr;
	375
	376	if (ais_hdr->magic != AIS_MAGIC_WORD)
	377	return -FDT_ERR_BADSTRUCTURE;
	378
	379	/* Store the total size to remember in print_hdr */
	380	ais_img_size = image_size;
	381
	382	return 0;
	383	}
	384
	385	static void aisimage_set_header(void ptr, struct stat sbuf, int ifd,
f86ed6a8	386	struct image_tool_params *params)
4962e38e SB	387	{
	388	}
	389
f86ed6a8	390	int aisimage_check_params(struct image_tool_params *params)
4962e38e SB	391	{
	392	if (!params)
	393	return CFG_INVALID;
	394	if (!strlen(params->imagename)) {
	395	fprintf(stderr, "Error: %s - Configuration file not specified, "
	396	"it is needed for aisimage generation\n",
	397	params->cmdname);
	398	return CFG_INVALID;
	399	}
	400	/*
	401	* Check parameters:
	402	* XIP is not allowed and verify that incompatible
	403	* parameters are not sent at the same time
	404	* For example, if list is required a data image must not be provided
	405	*/
	406	return (params->dflag && (params->fflag \|\| params->lflag)) \|\|
	407	(params->fflag && (params->dflag \|\| params->lflag)) \|\|
	408	(params->lflag && (params->dflag \|\| params->fflag)) \|\|
	409	(params->xflag) \|\| !(strlen(params->imagename));
	410	}
	411
	412	/*
	413	* aisimage parameters
	414	*/
a93648d1 GMF	415	U_BOOT_IMAGE_TYPE(
	416	aisimage,
	417	"TI Davinci AIS Boot Image support",
	418	0,
	419	NULL,
	420	aisimage_check_params,
	421	aisimage_verify_header,
	422	aisimage_print_header,
	423	aisimage_set_header,
	424	NULL,
	425	aisimage_check_image_types,
	426	NULL,
	427	aisimage_generate
	428	);