97 lines
4.2 KiB
C
97 lines
4.2 KiB
C
/* *
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* Copyright (c) CompanyNameMagicTag 2018-2019. All rights reserved.
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* Description: boot head
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*/
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#ifndef __BOOT_HEADER_H__
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#define __BOOT_HEADER_H__
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#include <secure.h>
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#include <soc_types.h>
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#include <soc_boot_rom.h>
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#define FLASH_BOOT_PREAMBLE 0x55AA55AA
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#define FLASH_BOOT_HEAD_MAGIC 0x33CC33CC
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#define DIE_ID_LENGTH 24
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#define EXT_HASH_ALG_SHA256 0
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typedef struct {
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td_u8 mod_n[RSA_4096_LENGTH]; /* Mod N */
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td_u8 exp_e[RSA_4096_LENGTH]; /* Exp E */
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} root_pub_key;
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typedef struct {
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td_u32 hash_alg : 16; /* The signature algorithm: HASH algorithm, 0x0: SHA256, other: reserved. */
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td_u32 sign_alg : 6; /* The signature algorithm: Signature algorithm,
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* 0: RSA_PKCS1; 1: RSA_PSS; other: reserved.\n
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* RSA_PSS should use the same HASH algorithm with [15:0]. */
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td_u32 sign_param : 10; /* The signature algorithm: Signature parameter, default '0'. */
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} sign_alg;
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typedef struct {
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td_u32 version; /* Default 1. */
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sign_alg sign_alg; /* The signature algorithm. */
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td_u32 category; /* The category of SubKey,
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* which could be used to distinguish different products or chips. */
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td_u32 key_id; /* [4:0] SubKeyID, 0~31; [31:5] Reserved. */
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td_u32 length; /* Length of SubKey. RSA2048: 256 Bytes. */
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td_u32 sign_length; /* Signature length of SubKey. RSA4096: 512Bytes. */
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td_u8 mod_n[RSA_2048_LENGTH]; /* Mod N */
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td_u8 exp_e[RSA_2048_LENGTH]; /* Exp E */
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td_u8 sign[RSA_4096_LENGTH]; /* Signature of Subkey. */
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} sub_key_info;
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typedef struct {
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td_u32 version; /* Default 1. */
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sign_alg sign_alg; /* The signature algorithm. */
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td_u32 time; /* UTC timestamp, time of signing. */
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td_u32 die_id_length; /* length of Die ID. 0x18000000 */
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td_u8 die_id[DIE_ID_LENGTH]; /* Die ID. 24Bytes */
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td_u32 key_length; /* Length of DevKey. RSA2048: 512 bytes = 256 bytes N + 256 bytes E. 0x00020000 */
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td_u8 mod_n[RSA_2048_LENGTH]; /* Mod N */
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td_u8 exp_e[RSA_2048_LENGTH]; /* Exp E */
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td_u32 sign_length; /* Length of sign. RSA2048: 256 Bytes. 0x00010000 */
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td_u8 sign[RSA_2048_LENGTH]; /* Signature of Subkey. */
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} maintenance_key;
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typedef struct {
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td_u32 preamble; /* Head information preamble code 0x55AA55AA,
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* it needs to be validated at secure startup. */
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td_u32 head_length; /* Head information total length, sizeof(BOOT_HEADER_S). */
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td_u32 root_pubk_alg; /* RootPubK algorithm. 0x0: RSA4096; other: reserved. */
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td_u32 root_pubk_offset; /* Offset of RootPubK, based on Bootloader head. */
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td_u32 root_pubk_length; /* RootPubK length. RSA4096, value is 1024, total length of mod N and exp E. */
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td_u32 root_pubk_hash_alg; /* RootPubK HASH algorithm. At startup,
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* BootROM calculate HASH value of RootPubK by this algorithm.
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* 0x0: SHA256, other: reserved. */
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td_u32 sub_key_offset; /* Offset of SubKeyCert, based on Bootloader head. */
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td_u32 sub_key_length; /* Length of SubKeyCert. */
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td_u32 maintenance_key_offset; /* Offset of maintenance cert, based on Bootloader head.
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* if 0, no maintenance cert. */
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td_u32 maintenance_key_length; /* Length of maintenance cert. */
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td_u32 code_section_length; /* Length of Bootloader Code Section. */
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td_u32 code_section_offset; /* Offset of Bootloader Code Section. */
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sign_alg sign_alg; /* The signature algorithm. */
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td_u32 sign_offset; /* Offset of Bootloader Code Section Signature. */
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td_u32 sign_length; /* Length of Bootloader Code Section Signature. */
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td_u32 head_magic; /* Head information over. Magic is 0x33CC33CC.
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* BootROM should check HeadMagic & Preamble at first. */
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} boot_header;
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typedef struct {
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td_u32 version;
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td_u32 compressed_flag : 1;
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td_u32 reserved : 31;
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td_u32 pad;
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} boot_code_head;
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#endif /* __BOOT_HEADER_H__ */
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