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firmware/lib/MorseWlan/include/mbin.h
T

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2.1 KiB
C

/*
* Copyright 2023 Morse Micro
*
* SPDX-License-Identifier: Apache-2.0
*/
/**
* @defgroup MBIN Morse BINary Loader API
*
* This file defines the structure of the @c MBIN file.
*
* @{
*/
#pragma once
#ifndef PACKED
/** Macro for the compiler packed attribute */
#define PACKED __attribute__((packed))
#endif
/** Enumeration of TLV field types */
enum mbin_tlv_types {
FIELD_TYPE_FW_TLV_BCF_ADDR = 0x0001,
FIELD_TYPE_MAGIC = 0x8000,
FIELD_TYPE_FW_SEGMENT = 0x8001,
FIELD_TYPE_FW_SEGMENT_DEFLATED = 0x8002,
FIELD_TYPE_BCF_BOARD_CONFIG = 0x8100,
FIELD_TYPE_BCF_REGDOM = 0x8101,
FIELD_TYPE_BCF_BOARD_DESC = 0x8102,
FIELD_TYPE_BCF_BUILD_VER = 0x8103,
FIELD_TYPE_SW_SEGMENT = 0x8201,
FIELD_TYPE_SW_SEGMENT_DEFLATED = 0x8202,
FIELD_TYPE_EOF = 0x8f00,
FIELD_TYPE_EOF_WITH_SIGNATURE = 0x8f01,
};
/** TLV header data structure. */
struct PACKED mbin_tlv_hdr {
/** Type (see mbin_tlv_types). */
uint16_t type;
/** Length of payload (excludes header). */
uint16_t len;
};
/** Data header in a FIELD_TYPE_XX_SEGMENT field. */
struct PACKED mbin_segment_hdr {
/** Destination base address at which the data should be loaded. */
uint32_t base_address;
};
/** Data header in a FIELD_TYPE_XX_SEGMENT_DEFLATED field. */
struct PACKED mbin_deflated_segment_hdr {
/** Destination base address at which the data should be loaded. */
uint32_t base_address;
/** Size of deflated data, infer size of compressed data from TLV length */
uint16_t chunk_size;
/** ZLib header */
uint8_t zlib_header[2];
};
/** Data header in a @c FIELD_TYPE_BCF_REGDOM field. */
struct PACKED mbin_regdom_hdr {
/** Country code that this @c regdom applies to. */
uint8_t country_code[2];
/** Reserved */
uint16_t reserved;
};
/** Expected value of the magic field for a SW image @c MMSW. */
#define MBIN_SW_MAGIC_NUMBER (0x57534d4d)
/** Expected value of the magic field for a firmware image @c MMFW. */
#define MBIN_FW_MAGIC_NUMBER (0x57464d4d)
/** Expected value of the magic field for a BCF @c MMBC. */
#define MBIN_BCF_MAGIC_NUMBER (0x43424d4d)
/** @} */