mirror of
https://github.com/openharmony/drivers_framework.git
synced 2026-08-27 20:49:55 -04:00
yuanbo
85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* Copyright (c) 2020-2021 Huawei Device Co., Ltd.
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*
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* HDF is dual licensed: you can use it either under the terms of
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* the GPL, or the BSD license, at your option.
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* See the LICENSE file in the root of this repository for complete details.
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*/
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#ifndef HCS_BLOB_IF_H
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#define HCS_BLOB_IF_H
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#include "hdf_base.h"
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#define CONFIG_NODE 0x1
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#define CONFIG_ATTR 0x2
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#define CONFIG_REFERENCE 0x3
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#define CONFIG_ARRAY 0x4
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#define CONFIG_BYTE 0x10
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#define CONFIG_WORD 0x11
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#define CONFIG_DWORD 0x12
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#define CONFIG_QWORD 0x13
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#define CONFIG_STRING 0x14
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struct HbcHeader {
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uint32_t magicNumber;
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uint32_t versionMajor;
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uint32_t versionMinor;
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uint32_t checkSum;
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int32_t totalSize;
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};
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#define HBC_MAGIC_NUMBER 0xA00AA00A
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#define HBC_HEADER_LENGTH sizeof(struct HbcHeader)
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#define HBC_BLOB_MAX_LENGTH (1024 * 1024 * 10) // The maximum length is 10 MB.
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#define HBC_ROOT_NAME "root"
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bool HcsIsByteAlign(void);
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#define HCS_ALIGN_SIZE 4
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static inline size_t HcsAlignSize(size_t size)
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{
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return (size + HCS_ALIGN_SIZE - 1) & (~(HCS_ALIGN_SIZE - 1));
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}
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static inline uint8_t HcsByteCodeToUint8(const char *start)
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{
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return *(uint8_t *)(start);
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}
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static inline uint16_t HcsByteCodeToUint16(const char *start)
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{
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return *(uint16_t *)(start);
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}
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static inline uint32_t HcsByteCodeToUint32(const char *start)
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{
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return *(uint32_t *)(start);
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}
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static inline uint64_t HcsByteCodeToUint64(const char *start)
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{
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return *(uint64_t *)(start);
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}
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static inline uint32_t HcsGetPrefix(const char *start)
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{
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return HcsIsByteAlign() ? HcsByteCodeToUint32(start) : HcsByteCodeToUint8(start);
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}
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#define HCS_DWORD_LENGTH 4
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#define HCS_QWORD_LENGTH 8
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#define HCS_PREFIX_LENGTH (HcsIsByteAlign() ? HCS_DWORD_LENGTH : 1)
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#define HCS_BYTE_LENGTH (HcsIsByteAlign() ? HCS_DWORD_LENGTH : 1)
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#define HCS_WORD_LENGTH (HcsIsByteAlign() ? HCS_DWORD_LENGTH : 2)
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#define HCS_STRING_LENGTH(str) (HcsIsByteAlign() ? HcsAlignSize(strlen(str) + 1) : (strlen(str) + 1))
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int32_t HcsGetDataTypeOffset(const char *start);
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int32_t HcsGetAttrLength(const char *start);
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int32_t HcsGetNodeOrAttrLength(const char *start);
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int32_t HcsGetNodeLength(const char *blob);
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bool HcsCheckBlobFormat(const char *start, uint32_t length);
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bool HcsSwapToUint8(uint8_t *value, const char *realValue, uint32_t type);
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bool HcsSwapToUint16(uint16_t *value, const char *realValue, uint32_t type);
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bool HcsSwapToUint32(uint32_t *value, const char *realValue, uint32_t type);
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bool HcsSwapToUint64(uint64_t *value, const char *realValue, uint32_t type);
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#endif /* HCS_BLOB_IF_H */ |