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71 lines
2.0 KiB
C
71 lines
2.0 KiB
C
/*
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* Copyright (c) 2023, Artinchip Technology Co., Ltd
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Wudehuang <dehuang.wu@artinchip.com>
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*/
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#ifndef __BL_IMAGE_H_
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#define __BL_IMAGE_H_
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#include <aic_common.h>
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#define AIC_IMAGE_MAGIC 0x20434941 /* Magic is 'AIC ' */
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#define AIC_FW_BLOCK1_SIZ 256
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#define AIC_FW_SIGN_ALGO_NONE 0
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#define AIC_FW_SIGN_ALGO_RSA2048 1
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#define AIC_FW_ENCRYPT_ALGO_NONE 0
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#define AIC_FW_ENCRYPT_ALGO_AES_CBC 1
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struct image_header {
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/* Magic value, should be "AIC " */
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u32 magic;
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/* Image checksum value */
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u32 checksum;
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/* Image header version */
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u32 head_ver;
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/* Image size from start to end */
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u32 image_len;
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/* Fireware's version information: Anti-rollback version counter */
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u8 fwver_counter;
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u8 fwver_revision;
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u8 fwver_minor;
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u8 fwver_major;
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/* Firmware binary's length */
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u32 firmware_len;
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/* Firmware should be loaded this address */
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u32 load_address;
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/* Firmware's entry point */
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u32 entry_point;
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/* If firmware is signed by RSA, then specify the algorithm here */
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u32 sign_algo;
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/* If firmware is encrypted, then specify the algorithm here */
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u32 encrypt_algo;
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/* The position of signature, offset from image start */
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u32 sign_data_offset;
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/* The length of signature */
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u32 sign_data_len;
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/* The position of public key used when sign this firmware, offset from
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* image head. */
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u32 sign_key_offset;
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/* The public key length */
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u32 sign_key_len;
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/* If encryption algorithm is AES-CBC, then IV is required. */
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u32 iv_data_offset;
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/* The IV data length */
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u32 iv_data_len;
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};
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int image_verify_magic(u8 *fw_base, u32 magic);
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int image_verify_checksum(u8 *fw_base, u32 size);
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int image_authentication(u8 *fw_base);
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u32 image_calc_checksum(u8 *buf, u32 size);
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u32 image_get_fw_len(u8 *fw_base);
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void *image_get_entry_point(u8 *fw_base);
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void *image_get_load_address(u8 *fw_base);
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#endif /* __BL_IMAGE_H_ */
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