imximage: Add MX53 boot image support

This patch add the MX53 boot image support.

This patch has been tested on Freescale MX53EVK board
and MX51EVK board.

Signed-off-by: Jason Liu <r64343@freescale.com>

1 files changed, 387 insertions, 138 deletions

diff --git a/tools/imximage.c b/tools/imximage.c
index 39f89c2..8e81bdb 100644
--- a/tools/imximage.c
+++ b/tools/imximage.c
@@ -36,9 +36,10 @@
  * Supported commands for configuration file
  */
 static table_entry_t imximage_cmds[] = {
-	{CMD_BOOT_FROM,		"BOOT_FROM",		"boot command",	},
-	{CMD_DATA,		"DATA",			"Reg Write Data", },
-	{-1,		"",			"",	},
+	{CMD_BOOT_FROM,         "BOOT_FROM",            "boot command",	  },
+	{CMD_DATA,              "DATA",                 "Reg Write Data", },
+	{CMD_IMAGE_VERSION,     "IMAGE_VERSION",        "image version",  },
+	{-1,                    "",                     "",	          },
 };
 
 /*
@@ -53,8 +54,21 @@ static table_entry_t imximage_bootops[] = {
 	{-1,			"",		"Invalid",	},
 };
 
+/*
+ * IMXIMAGE version definition for i.MX chips
+ */
+static table_entry_t imximage_versions[] = {
+	{IMXIMAGE_V1,	"",	" (i.MX25/35/51 compatible)", },
+	{IMXIMAGE_V2,	"",	" (i.MX53 compatible)",       },
+	{-1,            "",     " (Invalid)",                 },
+};
 
 static struct imx_header imximage_header;
+static uint32_t imximage_version;
+
+static set_dcd_val_t set_dcd_val;
+static set_dcd_rst_t set_dcd_rst;
+static set_imx_hdr_t set_imx_hdr;
 
 static uint32_t get_cfg_value(char *token, char *name,  int linenr)
 {
@@ -71,67 +85,353 @@ static uint32_t get_cfg_value(char *token, char *name,  int linenr)
 	return value;
 }
 
-static int imximage_check_image_types(uint8_t type)
+static uint32_t detect_imximage_version(struct imx_header *imx_hdr)
 {
-	if (type == IH_TYPE_IMXIMAGE)
-		return EXIT_SUCCESS;
-	else
-		return EXIT_FAILURE;
+	imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
+	imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
+	flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
+	flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
+
+	/* Try to detect V1 */
+	if ((fhdr_v1->app_code_barker == APP_CODE_BARKER) &&
+		(hdr_v1->dcd_table.preamble.barker == DCD_BARKER))
+		return IMXIMAGE_V1;
+
+	/* Try to detect V2 */
+	if ((fhdr_v2->header.tag == IVT_HEADER_TAG) &&
+		(hdr_v2->dcd_table.header.tag == DCD_HEADER_TAG))
+		return IMXIMAGE_V2;
+
+	return IMXIMAGE_VER_INVALID;
 }
 
-static int imximage_verify_header(unsigned char *ptr, int image_size,
-			struct mkimage_params *params)
+static void err_imximage_version(int version)
 {
+	fprintf(stderr,
+		"Error: Unsupported imximage version:%d\n", version);
 
-	struct imx_header *imx_hdr = (struct imx_header *) ptr;
-	flash_header_t *hdr = &imx_hdr->fhdr;
+	exit(EXIT_FAILURE);
+}
 
-	/* Only a few checks can be done: search for magic numbers */
-	if (hdr->app_code_barker != APP_CODE_BARKER)
-		return -FDT_ERR_BADSTRUCTURE;
+static void set_dcd_val_v1(struct imx_header *imxhdr, char *name, int lineno,
+					int fld, uint32_t value, uint32_t off)
+{
+	dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
+
+	switch (fld) {
+	case CFG_REG_SIZE:
+		/* Byte, halfword, word */
+		if ((value != 1) && (value != 2) && (value != 4)) {
+			fprintf(stderr, "Error: %s[%d] - "
+				"Invalid register size " "(%d)\n",
+				name, lineno, value);
+			exit(EXIT_FAILURE);
+		}
+		dcd_v1->addr_data[off].type = value;
+		break;
+	case CFG_REG_ADDRESS:
+		dcd_v1->addr_data[off].addr = value;
+		break;
+	case CFG_REG_VALUE:
+		dcd_v1->addr_data[off].value = value;
+		break;
+	default:
+		break;
 
-	if (imx_hdr->dcd_table.preamble.barker != DCD_BARKER)
-		return -FDT_ERR_BADSTRUCTURE;
+	}
+}
 
-	return 0;
+static void set_dcd_val_v2(struct imx_header *imxhdr, char *name, int lineno,
+					int fld, uint32_t value, uint32_t off)
+{
+	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
+
+	switch (fld) {
+	case CFG_REG_ADDRESS:
+		dcd_v2->addr_data[off].addr = cpu_to_be32(value);
+		break;
+	case CFG_REG_VALUE:
+		dcd_v2->addr_data[off].value = cpu_to_be32(value);
+		break;
+	default:
+		break;
+
+	}
 }
 
-static void imximage_print_header(const void *ptr)
+/*
+ * Complete setting up the rest field of DCD of V1
+ * such as barker code and DCD data length.
+ */
+static void set_dcd_rst_v1(struct imx_header *imxhdr, uint32_t dcd_len,
+						char *name, int lineno)
 {
-	struct imx_header *imx_hdr = (struct imx_header *) ptr;
-	flash_header_t *hdr = &imx_hdr->fhdr;
-	uint32_t size;
-	uint32_t length;
-	dcd_t *dcd = &imx_hdr->dcd_table;
+	dcd_v1_t *dcd_v1 = &imxhdr->header.hdr_v1.dcd_table;
+
+	if (dcd_len > MAX_HW_CFG_SIZE_V1) {
+		fprintf(stderr, "Error: %s[%d] -"
+			"DCD table exceeds maximum size(%d)\n",
+			name, lineno, MAX_HW_CFG_SIZE_V1);
+		exit(EXIT_FAILURE);
+	}
+
+	dcd_v1->preamble.barker = DCD_BARKER;
+	dcd_v1->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
+}
+
+/*
+ * Complete setting up the reset field of DCD of V2
+ * such as DCD tag, version, length, etc.
+ */
+static void set_dcd_rst_v2(struct imx_header *imxhdr, uint32_t dcd_len,
+						char *name, int lineno)
+{
+	dcd_v2_t *dcd_v2 = &imxhdr->header.hdr_v2.dcd_table;
+
+	if (dcd_len > MAX_HW_CFG_SIZE_V2) {
+		fprintf(stderr, "Error: %s[%d] -"
+			"DCD table exceeds maximum size(%d)\n",
+			name, lineno, MAX_HW_CFG_SIZE_V2);
+		exit(EXIT_FAILURE);
+	}
+
+	dcd_v2->header.tag = DCD_HEADER_TAG;
+	dcd_v2->header.length = cpu_to_be16(
+			dcd_len * sizeof(dcd_addr_data_t) + 8);
+	dcd_v2->header.version = DCD_VERSION;
+	dcd_v2->write_dcd_command.tag = DCD_COMMAND_TAG;
+	dcd_v2->write_dcd_command.length = cpu_to_be16(
+			dcd_len * sizeof(dcd_addr_data_t) + 4);
+	dcd_v2->write_dcd_command.param = DCD_COMMAND_PARAM;
+}
+
+static void set_imx_hdr_v1(struct imx_header *imxhdr, uint32_t dcd_len,
+					struct stat *sbuf,
+					struct mkimage_params *params)
+{
+	imx_header_v1_t *hdr_v1 = &imxhdr->header.hdr_v1;
+	flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
+	dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
+	uint32_t base_offset;
+
+	/* Set default offset */
+	imxhdr->flash_offset = FLASH_OFFSET_STANDARD;
+
+	/* Set magic number */
+	fhdr_v1->app_code_barker = APP_CODE_BARKER;
+
+	fhdr_v1->app_dest_ptr = params->addr;
+	fhdr_v1->app_dest_ptr = params->ep - imxhdr->flash_offset -
+		sizeof(struct imx_header);
+	fhdr_v1->app_code_jump_vector = params->ep;
+
+	base_offset = fhdr_v1->app_dest_ptr + imxhdr->flash_offset ;
+	fhdr_v1->dcd_ptr_ptr =
+		(uint32_t) (offsetof(flash_header_v1_t, dcd_ptr) -
+		offsetof(flash_header_v1_t, app_code_jump_vector) +
+		base_offset);
+
+	fhdr_v1->dcd_ptr = base_offset +
+			offsetof(imx_header_v1_t, dcd_table);
+
+	/* The external flash header must be at the end of the DCD table */
+	dcd_v1->addr_data[dcd_len].type = sbuf->st_size +
+				imxhdr->flash_offset +
+				sizeof(struct imx_header);
+
+	/* Security feature are not supported */
+	fhdr_v1->app_code_csf = 0;
+	fhdr_v1->super_root_key = 0;
+}
+
+static void set_imx_hdr_v2(struct imx_header *imxhdr, uint32_t dcd_len,
+					struct stat *sbuf,
+					struct mkimage_params *params)
+{
+	imx_header_v2_t *hdr_v2 = &imxhdr->header.hdr_v2;
+	flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
+
+	/* Set default offset */
+	imxhdr->flash_offset = FLASH_OFFSET_STANDARD;
+
+	/* Set magic number */
+	fhdr_v2->header.tag = IVT_HEADER_TAG; /* 0xD1 */
+	fhdr_v2->header.length = cpu_to_be16(sizeof(flash_header_v2_t));
+	fhdr_v2->header.version = IVT_VERSION; /* 0x40 */
+
+	fhdr_v2->entry = params->ep;
+	fhdr_v2->reserved1 = fhdr_v2->reserved2 = 0;
+	fhdr_v2->self = params->ep - sizeof(struct imx_header);
+
+	fhdr_v2->dcd_ptr = fhdr_v2->self +
+			offsetof(imx_header_v2_t, dcd_table);
+
+	fhdr_v2->boot_data_ptr = fhdr_v2->self +
+			offsetof(imx_header_v2_t, boot_data);
+
+	hdr_v2->boot_data.start = fhdr_v2->self - imxhdr->flash_offset;
+	hdr_v2->boot_data.size = sbuf->st_size +
+			imxhdr->flash_offset +
+			sizeof(struct imx_header);
+
+	/* Security feature are not supported */
+	fhdr_v2->csf = 0;
+}
+
+static void set_hdr_func(struct imx_header *imxhdr)
+{
+	switch (imximage_version) {
+	case IMXIMAGE_V1:
+		set_dcd_val = set_dcd_val_v1;
+		set_dcd_rst = set_dcd_rst_v1;
+		set_imx_hdr = set_imx_hdr_v1;
+		break;
+	case IMXIMAGE_V2:
+		set_dcd_val = set_dcd_val_v2;
+		set_dcd_rst = set_dcd_rst_v2;
+		set_imx_hdr = set_imx_hdr_v2;
+		break;
+	default:
+		err_imximage_version(imximage_version);
+		break;
+	}
+}
 
-	size = imx_hdr->dcd_table.preamble.length;
-	if (size > (MAX_HW_CFG_SIZE * sizeof(dcd_type_addr_data_t))) {
+static void print_hdr_v1(struct imx_header *imx_hdr)
+{
+	imx_header_v1_t *hdr_v1 = &imx_hdr->header.hdr_v1;
+	flash_header_v1_t *fhdr_v1 = &hdr_v1->fhdr;
+	dcd_v1_t *dcd_v1 = &hdr_v1->dcd_table;
+	uint32_t size, length, ver;
+
+	size = dcd_v1->preamble.length;
+	if (size > (MAX_HW_CFG_SIZE_V1 * sizeof(dcd_type_addr_data_t))) {
 		fprintf(stderr,
 			"Error: Image corrupt DCD size %d exceed maximum %d\n",
 			(uint32_t)(size / sizeof(dcd_type_addr_data_t)),
-			MAX_HW_CFG_SIZE);
+			MAX_HW_CFG_SIZE_V1);
+		exit(EXIT_FAILURE);
+	}
+
+	length = dcd_v1->preamble.length / sizeof(dcd_type_addr_data_t);
+	ver = detect_imximage_version(imx_hdr);
+
+	printf("Image Type:   Freescale IMX Boot Image\n");
+	printf("Image Ver:    %x", ver);
+	printf("%s\n", get_table_entry_name(imximage_versions, NULL, ver));
+	printf("Data Size:    ");
+	genimg_print_size(dcd_v1->addr_data[length].type);
+	printf("Load Address: %08x\n", (uint32_t)fhdr_v1->app_dest_ptr);
+	printf("Entry Point:  %08x\n", (uint32_t)fhdr_v1->app_code_jump_vector);
+}
+
+static void print_hdr_v2(struct imx_header *imx_hdr)
+{
+	imx_header_v2_t *hdr_v2 = &imx_hdr->header.hdr_v2;
+	flash_header_v2_t *fhdr_v2 = &hdr_v2->fhdr;
+	dcd_v2_t *dcd_v2 = &hdr_v2->dcd_table;
+	uint32_t size, version;
+
+	size = be16_to_cpu(dcd_v2->header.length) - 8;
+	if (size > (MAX_HW_CFG_SIZE_V2 * sizeof(dcd_addr_data_t))) {
+		fprintf(stderr,
+			"Error: Image corrupt DCD size %d exceed maximum %d\n",
+			(uint32_t)(size / sizeof(dcd_addr_data_t)),
+			MAX_HW_CFG_SIZE_V2);
 		exit(EXIT_FAILURE);
 	}
 
-	length =  dcd->preamble.length / sizeof(dcd_type_addr_data_t);
+	version = detect_imximage_version(imx_hdr);
 
 	printf("Image Type:   Freescale IMX Boot Image\n");
+	printf("Image Ver:    %x", version);
+	printf("%s\n", get_table_entry_name(imximage_versions, NULL, version));
 	printf("Data Size:    ");
-	genimg_print_size(dcd->addr_data[length].type);
-	printf("Load Address: %08x\n", (unsigned int)hdr->app_dest_ptr);
-	printf("Entry Point:  %08x\n", (unsigned int)hdr->app_code_jump_vector);
+	genimg_print_size(hdr_v2->boot_data.size);
+	printf("Load Address: %08x\n", (uint32_t)fhdr_v2->boot_data_ptr);
+	printf("Entry Point:  %08x\n", (uint32_t)fhdr_v2->entry);
 }
 
-static uint32_t imximage_parse_cfg_file(struct imx_header *imxhdr, char *name)
+static void parse_cfg_cmd(struct imx_header *imxhdr, int32_t cmd, char *token,
+				char *name, int lineno, int fld, int dcd_len)
+{
+	int value;
+	static int cmd_ver_first = ~0;
+
+	switch (cmd) {
+	case CMD_IMAGE_VERSION:
+		imximage_version = get_cfg_value(token, name, lineno);
+		if (cmd_ver_first == 0) {
+			fprintf(stderr, "Error: %s[%d] - IMAGE_VERSION "
+				"command need be the first before other "
+				"valid command in the file\n", name, lineno);
+			exit(EXIT_FAILURE);
+		}
+		cmd_ver_first = 1;
+		set_hdr_func(imxhdr);
+		break;
+	case CMD_BOOT_FROM:
+		imxhdr->flash_offset = get_table_entry_id(imximage_bootops,
+					"imximage boot option", token);
+		if (imxhdr->flash_offset == -1) {
+			fprintf(stderr, "Error: %s[%d] -Invalid boot device"
+				"(%s)\n", name, lineno, token);
+			exit(EXIT_FAILURE);
+		}
+		if (unlikely(cmd_ver_first != 1))
+			cmd_ver_first = 0;
+		break;
+	case CMD_DATA:
+		value = get_cfg_value(token, name, lineno);
+		(*set_dcd_val)(imxhdr, name, lineno, fld, value, dcd_len);
+		if (unlikely(cmd_ver_first != 1))
+			cmd_ver_first = 0;
+		break;
+	}
+}
+
+static void parse_cfg_fld(struct imx_header *imxhdr, int32_t *cmd,
+		char *token, char *name, int lineno, int fld, int *dcd_len)
+{
+	int value;
+
+	switch (fld) {
+	case CFG_COMMAND:
+		*cmd = get_table_entry_id(imximage_cmds,
+			"imximage commands", token);
+		if (*cmd < 0) {
+			fprintf(stderr, "Error: %s[%d] - Invalid command"
+			"(%s)\n", name, lineno, token);
+			exit(EXIT_FAILURE);
+		}
+		break;
+	case CFG_REG_SIZE:
+		parse_cfg_cmd(imxhdr, *cmd, token, name, lineno, fld, *dcd_len);
+		break;
+	case CFG_REG_ADDRESS:
+	case CFG_REG_VALUE:
+		if (*cmd != CMD_DATA)
+			return;
+
+		value = get_cfg_value(token, name, lineno);
+		(*set_dcd_val)(imxhdr, name, lineno, fld, value, *dcd_len);
+
+		if (fld == CFG_REG_VALUE)
+			(*dcd_len)++;
+		break;
+	default:
+		break;
+	}
+}
+static uint32_t parse_cfg_file(struct imx_header *imxhdr, char *name)
 {
 	FILE *fd = NULL;
 	char *line = NULL;
 	char *token, *saveptr1, *saveptr2;
 	int lineno = 0;
-	int fld, value;
+	int fld;
 	size_t len;
 	int dcd_len = 0;
-	dcd_t *dcd = &imxhdr->dcd_table;
 	int32_t cmd;
 
 	fd = fopen(name, "r");
@@ -161,126 +461,75 @@ static uint32_t imximage_parse_cfg_file(struct imx_header *imxhdr, char *name)
 			if (token[0] == '#')
 				break;
 
-			/* parse all fields in a single line */
-			switch (fld) {
-			case CFG_COMMAND:
-				cmd = get_table_entry_id(imximage_cmds,
-					"imximage commands", token);
-				if (cmd < 0) {
-					fprintf(stderr,
-						"Error: %s[%d] - "
-						"Invalid command (%s)\n",
-						name, lineno, token);
-					exit(EXIT_FAILURE);
-				}
-				break;
-			case CFG_REG_SIZE:
-				switch (cmd) {
-				case CMD_BOOT_FROM:
-					/* Get flash header offset */
-					imxhdr->flash_offset =
-						get_table_entry_id(
-							imximage_bootops,
-							"imximage boot option",
-							token);
-					if (imxhdr->flash_offset == -1) {
-						fprintf(stderr,
-							"Error: %s[%d] -"
-							"Invalid boot device"
-							"(%s)\n",
-							name, lineno, token);
-						exit(EXIT_FAILURE);
-					}
-					break;
-				case CMD_DATA:
-					value = get_cfg_value(token,
-							name, lineno);
-
-					/* Byte, halfword, word */
-					if ((value != 1) &&
-						(value != 2) && (value != 4)) {
-						fprintf(stderr,
-							"Error: %s[%d] - "
-							"Invalid register size "
-							"(%d)\n",
-							name, lineno, value);
-						exit(EXIT_FAILURE);
-					}
-					dcd->addr_data[dcd_len].type = value;
-					break;
-				}
-
-			case CFG_REG_ADDRESS:
-				if (cmd == CMD_DATA)
-					dcd->addr_data[dcd_len].addr =
-						get_cfg_value(token,
-							name, lineno);
-				break;
-			case CFG_REG_VALUE:
-				if (cmd == CMD_DATA) {
-					dcd->addr_data[dcd_len].value =
-						get_cfg_value(token,
-							name, lineno);
-					dcd_len++;
-				}
-				break;
-			}
+			parse_cfg_fld(imxhdr, &cmd, token, name,
+					lineno, fld, &dcd_len);
 		}
 
-		if (dcd_len > MAX_HW_CFG_SIZE) {
-			fprintf(stderr,
-				"Error: %s[%d] -"
-				"DCD table exceeds maximum size(%d)\n",
-				name, lineno, MAX_HW_CFG_SIZE);
-		}
 	}
-	dcd->preamble.barker = DCD_BARKER;
-	dcd->preamble.length = dcd_len * sizeof(dcd_type_addr_data_t);
+
+	(*set_dcd_rst)(imxhdr, dcd_len, name, lineno);
 	fclose(fd);
 
 	return dcd_len;
 }
 
-static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
-				struct mkimage_params *params)
-{
-	struct imx_header *hdr = (struct imx_header *)ptr;
-	flash_header_t *fhdr = &hdr->fhdr;
-	int dcd_len;
-	dcd_t *dcd = &hdr->dcd_table;
-	uint32_t base_offset;
 
-	/* Set default offset */
-	hdr->flash_offset = FLASH_OFFSET_STANDARD;
+static int imximage_check_image_types(uint8_t type)
+{
+	if (type == IH_TYPE_IMXIMAGE)
+		return EXIT_SUCCESS;
+	else
+		return EXIT_FAILURE;
+}
 
-	/* Set magic number */
-	fhdr->app_code_barker = APP_CODE_BARKER;
+static int imximage_verify_header(unsigned char *ptr, int image_size,
+			struct mkimage_params *params)
+{
+	struct imx_header *imx_hdr = (struct imx_header *) ptr;
 
-	/* Parse dcd configuration file */
-	dcd_len = imximage_parse_cfg_file(hdr, params->imagename);
+	if (detect_imximage_version(imx_hdr) == IMXIMAGE_VER_INVALID)
+		return -FDT_ERR_BADSTRUCTURE;
 
-	fhdr->app_dest_ptr = params->addr;
-	fhdr->app_dest_ptr = params->ep - hdr->flash_offset -
-		sizeof(struct imx_header);
-	fhdr->app_code_jump_vector = params->ep;
+	return 0;
+}
 
-	base_offset = fhdr->app_dest_ptr + hdr->flash_offset ;
-	fhdr->dcd_ptr_ptr = (uint32_t) (offsetof(flash_header_t, dcd_ptr) -
-		offsetof(flash_header_t, app_code_jump_vector) +
-		base_offset);
+static void imximage_print_header(const void *ptr)
+{
+	struct imx_header *imx_hdr = (struct imx_header *) ptr;
+	uint32_t version = detect_imximage_version(imx_hdr);
+
+	switch (version) {
+	case IMXIMAGE_V1:
+		print_hdr_v1(imx_hdr);
+		break;
+	case IMXIMAGE_V2:
+		print_hdr_v2(imx_hdr);
+		break;
+	default:
+		err_imximage_version(version);
+		break;
+	}
+}
 
-	fhdr->dcd_ptr = base_offset +
-			offsetof(struct imx_header, dcd_table);
+static void imximage_set_header(void *ptr, struct stat *sbuf, int ifd,
+				struct mkimage_params *params)
+{
+	struct imx_header *imxhdr = (struct imx_header *)ptr;
+	uint32_t dcd_len;
 
-	/* The external flash header must be at the end of the DCD table */
-	dcd->addr_data[dcd_len].type = sbuf->st_size +
-				hdr->flash_offset +
-				sizeof(struct imx_header);
+	/*
+	 * In order to not change the old imx cfg file
+	 * by adding VERSION command into it, here need
+	 * set up function ptr group to V1 by default.
+	 */
+	imximage_version = IMXIMAGE_V1;
+	set_hdr_func(imxhdr);
 
-	/* Security feature are not supported */
-	fhdr->app_code_csf = 0;
-	fhdr->super_root_key = 0;
+	/* Parse dcd configuration file */
+	dcd_len = parse_cfg_file(imxhdr, params->imagename);
 
+	/* Set the imx header */
+	(*set_imx_hdr)(imxhdr, dcd_len, sbuf, params);
 }
 
 int imximage_check_params(struct mkimage_params *params)
@@ -309,7 +558,7 @@ int imximage_check_params(struct mkimage_params *params)
  * imximage parameters
  */
 static struct image_type_params imximage_params = {
-	.name		= "Freescale i.MX 51 Boot Image support",
+	.name		= "Freescale i.MX 5x Boot Image support",
 	.header_size	= sizeof(struct imx_header),
 	.hdr		= (void *)&imximage_header,
 	.check_image_type = imximage_check_image_types,