[J-u-boot.git] / tools / kwbimage.h

/* SPDX-License-Identifier: GPL-2.0+ */
/*
 * (C) Copyright 2008
 * Marvell Semiconductor <www.marvell.com>
 * Written-by: Prafulla Wadaskar <[email protected]>
 */

#ifndef _KWBIMAGE_H_
#define _KWBIMAGE_H_

#include <compiler.h>
#include <stdint.h>

#ifdef __GNUC__
#define __packed __attribute((packed))
#else
#define __packed
#endif

#define KWBIMAGE_MAX_CONFIG	((0x1dc - 0x20)/sizeof(struct reg_config))
#define MAX_TEMPBUF_LEN		32

/* NAND ECC Mode */
#define IBR_HDR_ECC_DEFAULT		0x00
#define IBR_HDR_ECC_FORCED_HAMMING	0x01
#define IBR_HDR_ECC_FORCED_RS		0x02
#define IBR_HDR_ECC_DISABLED		0x03

/* Boot Type - block ID */
#define IBR_HDR_I2C_ID			0x4D
#define IBR_HDR_SPI_ID			0x5A
#define IBR_HDR_NAND_ID			0x8B
#define IBR_HDR_SATA_ID			0x78
#define IBR_HDR_PEX_ID			0x9C
#define IBR_HDR_UART_ID			0x69
#define IBR_HDR_SDIO_ID			0xAE
#define IBR_DEF_ATTRIB			0x00

/* Structure of the main header, version 0 (Kirkwood, Dove) */
struct main_hdr_v0 {
	uint8_t  blockid;		/* 0x0       */
	uint8_t  nandeccmode;		/* 0x1       */
	uint16_t nandpagesize;		/* 0x2-0x3   */
	uint32_t blocksize;		/* 0x4-0x7   */
	uint8_t  version;		/* 0x8       */
	uint8_t  rsvd1[3];		/* 0x9-0xB   */
	uint32_t srcaddr;		/* 0xC-0xF   */
	uint32_t destaddr;		/* 0x10-0x13 */
	uint32_t execaddr;		/* 0x14-0x17 */
	uint8_t  satapiomode;		/* 0x18      */
	uint8_t  rsvd3;			/* 0x19      */
	uint16_t ddrinitdelay;		/* 0x1A-0x1B */
	uint16_t rsvd2;			/* 0x1C-0x1D */
	uint8_t  ext;			/* 0x1E      */
	uint8_t  checksum;		/* 0x1F      */
} __packed;

struct ext_hdr_v0_reg {
	uint32_t raddr;
	uint32_t rdata;
} __packed;

#define EXT_HDR_V0_REG_COUNT ((0x1dc - 0x20) / sizeof(struct ext_hdr_v0_reg))

struct ext_hdr_v0 {
	uint32_t              offset;
	uint8_t               reserved[0x20 - sizeof(uint32_t)];
	struct ext_hdr_v0_reg rcfg[EXT_HDR_V0_REG_COUNT];
	uint8_t               reserved2[7];
	uint8_t               checksum;
} __packed;

/* Structure of the main header, version 1 (Armada 370/XP/375/38x/39x) */
struct main_hdr_v1 {
	uint8_t  blockid;               /* 0x0       */
	uint8_t  flags;                 /* 0x1       */
	uint16_t nandpagesize;          /* 0x2-0x3   */
	uint32_t blocksize;             /* 0x4-0x7   */
	uint8_t  version;               /* 0x8       */
	uint8_t  headersz_msb;          /* 0x9       */
	uint16_t headersz_lsb;          /* 0xA-0xB   */
	uint32_t srcaddr;               /* 0xC-0xF   */
	uint32_t destaddr;              /* 0x10-0x13 */
	uint32_t execaddr;              /* 0x14-0x17 */
	uint8_t  options;               /* 0x18      */
	uint8_t  nandblocksize;         /* 0x19      */
	uint8_t  nandbadblklocation;    /* 0x1A      */
	uint8_t  reserved4;             /* 0x1B      */
	uint16_t reserved5;             /* 0x1C-0x1D */
	uint8_t  ext;                   /* 0x1E      */
	uint8_t  checksum;              /* 0x1F      */
} __packed;

/*
 * Main header options
 */
#define MAIN_HDR_V1_OPT_BAUD_DEFAULT	0
#define MAIN_HDR_V1_OPT_BAUD_2400	0x1
#define MAIN_HDR_V1_OPT_BAUD_4800	0x2
#define MAIN_HDR_V1_OPT_BAUD_9600	0x3
#define MAIN_HDR_V1_OPT_BAUD_19200	0x4
#define MAIN_HDR_V1_OPT_BAUD_38400	0x5
#define MAIN_HDR_V1_OPT_BAUD_57600	0x6
#define MAIN_HDR_V1_OPT_BAUD_115200	0x7

/*
 * Header for the optional headers, version 1 (Armada 370/XP/375/38x/39x)
 */
struct opt_hdr_v1 {
	uint8_t  headertype;
	uint8_t  headersz_msb;
	uint16_t headersz_lsb;
	char     data[0];
} __packed;

/*
 * Public Key data in DER format
 */
struct pubkey_der_v1 {
	uint8_t key[524];
} __packed;

/*
 * Signature (RSA 2048)
 */
struct sig_v1 {
	uint8_t sig[256];
} __packed;

/*
 * Structure of secure header (Armada XP/375/38x/39x)
 */
struct secure_hdr_v1 {
	uint8_t  headertype;		/* 0x0 */
	uint8_t  headersz_msb;		/* 0x1 */
	uint16_t headersz_lsb;		/* 0x2 - 0x3 */
	uint32_t reserved1;		/* 0x4 - 0x7 */
	struct pubkey_der_v1 kak;	/* 0x8 - 0x213 */
	uint8_t  jtag_delay;		/* 0x214 */
	uint8_t  reserved2;		/* 0x215 */
	uint16_t reserved3;		/* 0x216 - 0x217 */
	uint32_t boxid;			/* 0x218 - 0x21B */
	uint32_t flashid;		/* 0x21C - 0x21F */
	struct sig_v1 hdrsig;		/* 0x220 - 0x31F */
	struct sig_v1 imgsig;		/* 0x320 - 0x41F */
	struct pubkey_der_v1 csk[16];	/* 0x420 - 0x24DF */
	struct sig_v1 csksig;		/* 0x24E0 - 0x25DF */
	uint8_t  next;			/* 0x25E0 */
	uint8_t  reserved4;		/* 0x25E1 */
	uint16_t reserved5;		/* 0x25E2 - 0x25E3 */
} __packed;

/*
 * Structure of register set
 */
struct register_set_hdr_v1 {
	uint8_t  headertype;		/* 0x0 */
	uint8_t  headersz_msb;		/* 0x1 */
	uint16_t headersz_lsb;		/* 0x2 - 0x3 */
	union {
		struct {
			uint32_t address;	/* 0x4+8*N - 0x7+8*N */
			uint32_t value;		/* 0x8+8*N - 0xB+8*N */
		} __packed entry;
		struct {
			uint8_t  next;		/* 0xC+8*N */
			uint8_t  delay;		/* 0xD+8*N */
			uint16_t reserved;	/* 0xE+8*N - 0xF+8*N */
		} __packed last_entry;
	} data[];
} __packed;

/*
 * Value 0 in register_set_hdr_v1 delay field is special.
 * Instead of delay it setup SDRAM Controller.
 */
#define REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP 0
#define REGISTER_SET_HDR_OPT_DELAY_MS(val) ((val) ?: 1)

/*
 * Various values for the opt_hdr_v1->headertype field, describing the
 * different types of optional headers. The "secure" header contains
 * informations related to secure boot (encryption keys, etc.). The
 * "binary" header contains ARM binary code to be executed prior to
 * executing the main payload (usually the bootloader). This is
 * typically used to execute DDR3 training code. The "register" header
 * allows to describe a set of (address, value) tuples that are
 * generally used to configure the DRAM controller.
 */
#define OPT_HDR_V1_SECURE_TYPE   0x1
#define OPT_HDR_V1_BINARY_TYPE   0x2
#define OPT_HDR_V1_REGISTER_TYPE 0x3

enum kwbimage_cmd {
	CMD_INVALID,
	CMD_BOOT_FROM,
	CMD_NAND_ECC_MODE,
	CMD_NAND_PAGE_SIZE,
	CMD_SATA_PIO_MODE,
	CMD_DDR_INIT_DELAY,
	CMD_DATA
};

enum kwbimage_cmd_types {
	CFG_INVALID = -1,
	CFG_COMMAND,
	CFG_DATA0,
	CFG_DATA1
};

/*
 * functions
 */
void init_kwb_image_type (void);

/*
 * Byte 8 of the image header contains the version number. In the v0
 * header, byte 8 was reserved, and always set to 0. In the v1 header,
 * byte 8 has been changed to a proper field, set to 1.
 */
static inline unsigned int kwbimage_version(const void *header)
{
	const unsigned char *ptr = header;
	return ptr[8];
}

static inline size_t kwbheader_size(const void *header)
{
	if (kwbimage_version(header) == 0) {
		const struct main_hdr_v0 *hdr = header;

		return sizeof(*hdr) +
		       (hdr->ext & 0x1) ? sizeof(struct ext_hdr_v0) : 0;
	} else {
		const struct main_hdr_v1 *hdr = header;

		return (hdr->headersz_msb << 16) |
		       le16_to_cpu(hdr->headersz_lsb);
	}
}

static inline size_t kwbheader_size_for_csum(const void *header)
{
	if (kwbimage_version(header) == 0)
		return sizeof(struct main_hdr_v0);
	else
		return kwbheader_size(header);
}

static inline uint32_t opt_hdr_v1_size(const struct opt_hdr_v1 *ohdr)
{
	return (ohdr->headersz_msb << 16) | le16_to_cpu(ohdr->headersz_lsb);
}

static inline int opt_hdr_v1_valid_size(const struct opt_hdr_v1 *ohdr,
					const void *mhdr_end)
{
	uint32_t ohdr_size;

	if ((void *)(ohdr + 1) > mhdr_end)
		return 0;

	ohdr_size = opt_hdr_v1_size(ohdr);
	if (ohdr_size < 8 || (void *)((uint8_t *)ohdr + ohdr_size) > mhdr_end)
		return 0;

	return 1;
}

static inline struct opt_hdr_v1 *opt_hdr_v1_first(void *img) {
	struct main_hdr_v1 *mhdr;

	if (kwbimage_version(img) != 1)
		return NULL;

	mhdr = img;
	if (mhdr->ext & 0x1)
		return (struct opt_hdr_v1 *)(mhdr + 1);
	else
		return NULL;
}

static inline uint8_t *opt_hdr_v1_ext(struct opt_hdr_v1 *cur)
{
	uint32_t size = opt_hdr_v1_size(cur);

	return (uint8_t *)cur + size - 4;
}

static inline struct opt_hdr_v1 *_opt_hdr_v1_next(struct opt_hdr_v1 *cur)
{
	return (struct opt_hdr_v1 *)((uint8_t *)cur + opt_hdr_v1_size(cur));
}

static inline struct opt_hdr_v1 *opt_hdr_v1_next(struct opt_hdr_v1 *cur)
{
	if (*opt_hdr_v1_ext(cur) & 0x1)
		return _opt_hdr_v1_next(cur);
	else
		return NULL;
}

#define for_each_opt_hdr_v1(ohdr, img)		\
	for ((ohdr) = opt_hdr_v1_first((img));	\
	     (ohdr) != NULL;			\
	     (ohdr) = opt_hdr_v1_next((ohdr)))

#endif /* _KWBIMAGE_H_ */
Commit	Line	Data
83d290c5	1	/* SPDX-License-Identifier: GPL-2.0+ */
aa0c7a86 PW	2	/*
	3	* (C) Copyright 2008
	4	* Marvell Semiconductor <www.marvell.com>
	5	* Written-by: Prafulla Wadaskar <[email protected]>
aa0c7a86 PW	6	*/
	7
	8	#ifndef _KWBIMAGE_H_
	9	#define _KWBIMAGE_H_
	10
a8840dce	11	#include <compiler.h>
aa0c7a86 PW	12	#include <stdint.h>
aa0c7a86 PW	13
a107c61b T	14	#ifdef __GNUC__
	15	#define __packed __attribute((packed))
	16	#else
	17	#define __packed
	18	#endif
	19
aa0c7a86 PW	20	#define KWBIMAGE_MAX_CONFIG ((0x1dc - 0x20)/sizeof(struct reg_config))
	21	#define MAX_TEMPBUF_LEN 32
	22
	23	/* NAND ECC Mode */
	24	#define IBR_HDR_ECC_DEFAULT 0x00
	25	#define IBR_HDR_ECC_FORCED_HAMMING 0x01
0cf207ec WD	26	#define IBR_HDR_ECC_FORCED_RS 0x02
0cf207ec WD	27	#define IBR_HDR_ECC_DISABLED 0x03
aa0c7a86 PW	28
	29	/* Boot Type - block ID */
	30	#define IBR_HDR_I2C_ID 0x4D
	31	#define IBR_HDR_SPI_ID 0x5A
	32	#define IBR_HDR_NAND_ID 0x8B
	33	#define IBR_HDR_SATA_ID 0x78
	34	#define IBR_HDR_PEX_ID 0x9C
	35	#define IBR_HDR_UART_ID 0x69
bd487ce0	36	#define IBR_HDR_SDIO_ID 0xAE
35fd1006	37	#define IBR_DEF_ATTRIB 0x00
aa0c7a86	38
e29f1db3 SR	39	/* Structure of the main header, version 0 (Kirkwood, Dove) */
e29f1db3 SR	40	struct main_hdr_v0 {
37d108b6 BS	41	uint8_t blockid; /* 0x0 */
	42	uint8_t nandeccmode; /* 0x1 */
	43	uint16_t nandpagesize; /* 0x2-0x3 */
	44	uint32_t blocksize; /* 0x4-0x7 */
01bdac6d T	45	uint8_t version; /* 0x8 */
01bdac6d T	46	uint8_t rsvd1[3]; /* 0x9-0xB */
37d108b6 BS	47	uint32_t srcaddr; /* 0xC-0xF */
	48	uint32_t destaddr; /* 0x10-0x13 */
	49	uint32_t execaddr; /* 0x14-0x17 */
	50	uint8_t satapiomode; /* 0x18 */
	51	uint8_t rsvd3; /* 0x19 */
	52	uint16_t ddrinitdelay; /* 0x1A-0x1B */
	53	uint16_t rsvd2; /* 0x1C-0x1D */
	54	uint8_t ext; /* 0x1E */
	55	uint8_t checksum; /* 0x1F */
a107c61b	56	} __packed;
aa0c7a86	57
e29f1db3	58	struct ext_hdr_v0_reg {
aa0c7a86 PW	59	uint32_t raddr;
aa0c7a86 PW	60	uint32_t rdata;
a107c61b	61	} __packed;
aa0c7a86	62
e29f1db3 SR	63	#define EXT_HDR_V0_REG_COUNT ((0x1dc - 0x20) / sizeof(struct ext_hdr_v0_reg))
	64
	65	struct ext_hdr_v0 {
	66	uint32_t offset;
	67	uint8_t reserved[0x20 - sizeof(uint32_t)];
	68	struct ext_hdr_v0_reg rcfg[EXT_HDR_V0_REG_COUNT];
	69	uint8_t reserved2[7];
	70	uint8_t checksum;
a107c61b	71	} __packed;
aa0c7a86	72
8010f4ff	73	/* Structure of the main header, version 1 (Armada 370/XP/375/38x/39x) */
e29f1db3	74	struct main_hdr_v1 {
37d108b6 BS	75	uint8_t blockid; /* 0x0 */
37d108b6 BS	76	uint8_t flags; /* 0x1 */
2fdba4f6	77	uint16_t nandpagesize; /* 0x2-0x3 */
37d108b6 BS	78	uint32_t blocksize; /* 0x4-0x7 */
	79	uint8_t version; /* 0x8 */
	80	uint8_t headersz_msb; /* 0x9 */
	81	uint16_t headersz_lsb; /* 0xA-0xB */
	82	uint32_t srcaddr; /* 0xC-0xF */
	83	uint32_t destaddr; /* 0x10-0x13 */
	84	uint32_t execaddr; /* 0x14-0x17 */
	85	uint8_t options; /* 0x18 */
	86	uint8_t nandblocksize; /* 0x19 */
	87	uint8_t nandbadblklocation; /* 0x1A */
	88	uint8_t reserved4; /* 0x1B */
	89	uint16_t reserved5; /* 0x1C-0x1D */
	90	uint8_t ext; /* 0x1E */
	91	uint8_t checksum; /* 0x1F */
a107c61b	92	} __packed;
e29f1db3	93
4bdb5479 CP	94	/*
	95	* Main header options
	96	*/
	97	#define MAIN_HDR_V1_OPT_BAUD_DEFAULT 0
	98	#define MAIN_HDR_V1_OPT_BAUD_2400 0x1
	99	#define MAIN_HDR_V1_OPT_BAUD_4800 0x2
	100	#define MAIN_HDR_V1_OPT_BAUD_9600 0x3
	101	#define MAIN_HDR_V1_OPT_BAUD_19200 0x4
	102	#define MAIN_HDR_V1_OPT_BAUD_38400 0x5
	103	#define MAIN_HDR_V1_OPT_BAUD_57600 0x6
	104	#define MAIN_HDR_V1_OPT_BAUD_115200 0x7
	105
e29f1db3	106	/*
8010f4ff	107	* Header for the optional headers, version 1 (Armada 370/XP/375/38x/39x)
e29f1db3 SR	108	*/
	109	struct opt_hdr_v1 {
	110	uint8_t headertype;
	111	uint8_t headersz_msb;
	112	uint16_t headersz_lsb;
	113	char data[0];
a107c61b	114	} __packed;
e29f1db3	115
a1b6b0a9 MS	116	/*
	117	* Public Key data in DER format
	118	*/
	119	struct pubkey_der_v1 {
	120	uint8_t key[524];
a107c61b	121	} __packed;
a1b6b0a9 MS	122
	123	/*
	124	* Signature (RSA 2048)
	125	*/
	126	struct sig_v1 {
	127	uint8_t sig[256];
a107c61b	128	} __packed;
a1b6b0a9 MS	129
a1b6b0a9 MS	130	/*
8010f4ff	131	* Structure of secure header (Armada XP/375/38x/39x)
a1b6b0a9 MS	132	*/
	133	struct secure_hdr_v1 {
	134	uint8_t headertype; /* 0x0 */
	135	uint8_t headersz_msb; /* 0x1 */
	136	uint16_t headersz_lsb; /* 0x2 - 0x3 */
	137	uint32_t reserved1; /* 0x4 - 0x7 */
	138	struct pubkey_der_v1 kak; /* 0x8 - 0x213 */
	139	uint8_t jtag_delay; /* 0x214 */
	140	uint8_t reserved2; /* 0x215 */
	141	uint16_t reserved3; /* 0x216 - 0x217 */
	142	uint32_t boxid; /* 0x218 - 0x21B */
	143	uint32_t flashid; /* 0x21C - 0x21F */
	144	struct sig_v1 hdrsig; /* 0x220 - 0x31F */
	145	struct sig_v1 imgsig; /* 0x320 - 0x41F */
	146	struct pubkey_der_v1 csk[16]; /* 0x420 - 0x24DF */
	147	struct sig_v1 csksig; /* 0x24E0 - 0x25DF */
	148	uint8_t next; /* 0x25E0 */
	149	uint8_t reserved4; /* 0x25E1 */
	150	uint16_t reserved5; /* 0x25E2 - 0x25E3 */
a107c61b	151	} __packed;
a1b6b0a9	152
02ba70ad T	153	/*
	154	* Structure of register set
	155	*/
	156	struct register_set_hdr_v1 {
	157	uint8_t headertype; /* 0x0 */
	158	uint8_t headersz_msb; /* 0x1 */
	159	uint16_t headersz_lsb; /* 0x2 - 0x3 */
	160	union {
	161	struct {
	162	uint32_t address; /* 0x4+8N - 0x7+8N */
	163	uint32_t value; /* 0x8+8N - 0xB+8N */
a107c61b	164	} __packed entry;
02ba70ad T	165	struct {
	166	uint8_t next; /* 0xC+8N /
	167	uint8_t delay; /* 0xD+8N /
	168	uint16_t reserved; /* 0xE+8N - 0xF+8N */
a107c61b	169	} __packed last_entry;
02ba70ad	170	} data[];
a107c61b	171	} __packed;
02ba70ad T	172
	173	/*
	174	* Value 0 in register_set_hdr_v1 delay field is special.
	175	* Instead of delay it setup SDRAM Controller.
	176	*/
	177	#define REGISTER_SET_HDR_OPT_DELAY_SDRAM_SETUP 0
	178	#define REGISTER_SET_HDR_OPT_DELAY_MS(val) ((val) ?: 1)
	179
e29f1db3 SR	180	/*
	181	* Various values for the opt_hdr_v1->headertype field, describing the
	182	* different types of optional headers. The "secure" header contains
	183	* informations related to secure boot (encryption keys, etc.). The
	184	* "binary" header contains ARM binary code to be executed prior to
	185	* executing the main payload (usually the bootloader). This is
	186	* typically used to execute DDR3 training code. The "register" header
	187	* allows to describe a set of (address, value) tuples that are
	188	* generally used to configure the DRAM controller.
	189	*/
	190	#define OPT_HDR_V1_SECURE_TYPE 0x1
	191	#define OPT_HDR_V1_BINARY_TYPE 0x2
	192	#define OPT_HDR_V1_REGISTER_TYPE 0x3
	193
e29f1db3 SR	194	enum kwbimage_cmd {
	195	CMD_INVALID,
	196	CMD_BOOT_FROM,
	197	CMD_NAND_ECC_MODE,
	198	CMD_NAND_PAGE_SIZE,
	199	CMD_SATA_PIO_MODE,
	200	CMD_DDR_INIT_DELAY,
	201	CMD_DATA
	202	};
	203
	204	enum kwbimage_cmd_types {
	205	CFG_INVALID = -1,
	206	CFG_COMMAND,
	207	CFG_DATA0,
	208	CFG_DATA1
aa0c7a86 PW	209	};
	210
	211	/*
	212	* functions
	213	*/
	214	void init_kwb_image_type (void);
	215
e29f1db3 SR	216	/*
	217	* Byte 8 of the image header contains the version number. In the v0
	218	* header, byte 8 was reserved, and always set to 0. In the v1 header,
	219	* byte 8 has been changed to a proper field, set to 1.
	220	*/
acb0b38d	221	static inline unsigned int kwbimage_version(const void *header)
e29f1db3	222	{
2ef87f75	223	const unsigned char *ptr = header;
e29f1db3 SR	224	return ptr[8];
	225	}
	226
fe2fd73d MB	227	static inline size_t kwbheader_size(const void *header)
	228	{
	229	if (kwbimage_version(header) == 0) {
	230	const struct main_hdr_v0 *hdr = header;
	231
	232	return sizeof(*hdr) +
	233	(hdr->ext & 0x1) ? sizeof(struct ext_hdr_v0) : 0;
	234	} else {
	235	const struct main_hdr_v1 *hdr = header;
	236
	237	return (hdr->headersz_msb << 16) \|
	238	le16_to_cpu(hdr->headersz_lsb);
	239	}
	240	}
	241
	242	static inline size_t kwbheader_size_for_csum(const void *header)
	243	{
	244	if (kwbimage_version(header) == 0)
	245	return sizeof(struct main_hdr_v0);
	246	else
	247	return kwbheader_size(header);
	248	}
	249
732c930b MB	250	static inline uint32_t opt_hdr_v1_size(const struct opt_hdr_v1 *ohdr)
	251	{
	252	return (ohdr->headersz_msb << 16) \| le16_to_cpu(ohdr->headersz_lsb);
	253	}
	254
	255	static inline int opt_hdr_v1_valid_size(const struct opt_hdr_v1 *ohdr,
	256	const void *mhdr_end)
	257	{
	258	uint32_t ohdr_size;
	259
	260	if ((void *)(ohdr + 1) > mhdr_end)
	261	return 0;
	262
	263	ohdr_size = opt_hdr_v1_size(ohdr);
	264	if (ohdr_size < 8 \|\| (void )((uint8_t )ohdr + ohdr_size) > mhdr_end)
	265	return 0;
	266
	267	return 1;
	268	}
	269
	270	static inline struct opt_hdr_v1 opt_hdr_v1_first(void img) {
	271	struct main_hdr_v1 *mhdr;
	272
acb0b38d	273	if (kwbimage_version(img) != 1)
732c930b MB	274	return NULL;
	275
	276	mhdr = img;
	277	if (mhdr->ext & 0x1)
	278	return (struct opt_hdr_v1 *)(mhdr + 1);
	279	else
	280	return NULL;
	281	}
	282
	283	static inline uint8_t opt_hdr_v1_ext(struct opt_hdr_v1 cur)
	284	{
	285	uint32_t size = opt_hdr_v1_size(cur);
	286
	287	return (uint8_t *)cur + size - 4;
	288	}
	289
	290	static inline struct opt_hdr_v1 _opt_hdr_v1_next(struct opt_hdr_v1 cur)
	291	{
	292	return (struct opt_hdr_v1 )((uint8_t )cur + opt_hdr_v1_size(cur));
	293	}
	294
	295	static inline struct opt_hdr_v1 opt_hdr_v1_next(struct opt_hdr_v1 cur)
	296	{
	297	if (*opt_hdr_v1_ext(cur) & 0x1)
	298	return _opt_hdr_v1_next(cur);
	299	else
	300	return NULL;
	301	}
	302
	303	#define for_each_opt_hdr_v1(ohdr, img) \
	304	for ((ohdr) = opt_hdr_v1_first((img)); \
	305	(ohdr) != NULL; \
	306	(ohdr) = opt_hdr_v1_next((ohdr)))
	307
aa0c7a86	308	#endif /* _KWBIMAGE_H_ */