41 lines
1.1 KiB
C++
41 lines
1.1 KiB
C++
/* This file is part of the dynarmic project.
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* Copyright (c) 2018 MerryMage
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* This software may be used and distributed according to the terms of the GNU
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* General Public License version 2 or any later version.
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*/
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#pragma once
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#include "common/common_types.h"
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namespace Dynarmic::Common {
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/**
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* Computes a CRC32 value using Castagnoli polynomial (0x1EDC6F41).
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*
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* @param crc The initial CRC value
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* @param value The value to compute the CRC of.
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* @param length The length of the data to compute.
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*
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* @remark @p value is interpreted internally as an array of
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* unsigned char with @p length data.
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*
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* @return The computed CRC32 value.
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*/
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u32 ComputeCRC32Castagnoli(u32 crc, u64 value, int length);
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/**
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* Computes a CRC32 value using the ISO polynomial (0x04C11DB7).
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*
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* @param crc The initial CRC value
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* @param value The value to compute the CRC of.
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* @param length The length of the data to compute.
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*
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* @remark @p value is interpreted internally as an array of
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* unsigned char with @p length data.
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*
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* @return The computed CRC32 value.
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*/
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u32 ComputeCRC32ISO(u32 crc, u64 value, int length);
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} // namespace Dynarmic::Common
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