forked from TencentOS/TencentOS-tiny
89 lines
2.7 KiB
C
89 lines
2.7 KiB
C
/*----------------------------------------------------------------------------
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* Tencent is pleased to support the open source community by making TencentOS
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* available.
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*
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* Copyright (C) 2019 THL A29 Limited, a Tencent company. All rights reserved.
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* If you have downloaded a copy of the TencentOS binary from Tencent, please
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* note that the TencentOS binary is licensed under the BSD 3-Clause License.
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*
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* If you have downloaded a copy of the TencentOS source code from Tencent,
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* please note that TencentOS source code is licensed under the BSD 3-Clause
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* License, except for the third-party components listed below which are
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* subject to different license terms. Your integration of TencentOS into your
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* own projects may require compliance with the BSD 3-Clause License, as well
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* as the other licenses applicable to the third-party components included
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* within TencentOS.
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*---------------------------------------------------------------------------*/
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#ifndef _OTA_PATCH_H_
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#define _OTA_PATCH_H_
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#include "stddef.h"
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#include "stdint.h"
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#define ERROR() \
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rc = -1; \
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goto OUT;
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#define FREE(p) if (p) { free(p); }
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#define CMD_COPY 0
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#define CMD_DIFF 1
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#define CMD_EXTRA 2
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#define BLK_UPPER_BOUND(off, blk_len) (ALIGN_UP((off) + 1, (blk_len)))
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#define BLK_LOWER_BOUND(idx, blk_len) ((idx) * (blk_len))
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#define FOLD_N(x, n) ((n) * (x))
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#define THE_BUF(buf, idx, blk_len) ((buf) + (idx) * (blk_len))
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#define BLK_IDX(off, blk_len) ((off) / (blk_len))
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#define ALIGN_UP(v, align) (((v) + ((align) - 1)) & ~((align) - 1))
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#define BLK_CNT(size, blk_len) (((size) + (blk_len) - 1) / (blk_len))
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#pragma pack(push, 1)
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typedef struct patch_header_st {
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uint16_t blk_len;
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uint16_t blk_cnt;
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} patch_hdr_t;
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typedef struct patch_for_block_header_st {
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uint16_t unzipped_len;
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uint16_t zipped_len;
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} patch4blk_hdr_t;
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typedef struct patch_for_block_info_st {
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uint16_t blk_idx;
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uint16_t cmd_cnt;
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uint16_t ctrl_size;
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uint16_t diff_size;
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} patch4blk_info_t;
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#pragma pack(pop)
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typedef struct backup_map_st {
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uint16_t *cache;
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uint16_t backup_n;
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uint16_t cursor;
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uint16_t blk_len;
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uint32_t start;
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} bkup_map_t;
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typedef enum query_res_en {
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QUERY_RESULT_OK,
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QUERY_RESULT_NOT_EXIST,
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QUERY_RESULT_FETCH_FAILED,
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} query_res_t;
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int ota_patch(uint32_t patch, size_t patchsize, size_t ota_size);
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int ota_patch_xip(uint8_t *patch, size_t patchsize, size_t ota_size);
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#endif
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