70 lines
2.2 KiB
C++
70 lines
2.2 KiB
C++
/***
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Copyright (C) 2022 J Reece Wilson (a/k/a "Reece"). All rights reserved.
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File: SwapLock.cpp
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Date: 2022-3-21
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Author: Reece
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***/
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#include <Source/RuntimeInternal.hpp>
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#include "Memory.hpp"
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#include "SwapLock.hpp"
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#include <Source/HWInfo/AuHWInfo.hpp>
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#if defined(AURORA_IS_LINUX_DERIVED)
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#include <sys/mman.h>
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#endif
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namespace Aurora::Memory::SwapLock
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{
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AUKN_SYM bool Lock(const AuList<AuPair<AuUInt, AuUInt>> &addressRanges)
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{
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for (const auto &addressRange : addressRanges)
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{
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auto base = AuPageRound(addressRange.first, AuUInt(AuHwInfo::gPageSize));
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auto length = AuPageRoundUp(addressRange.second + (addressRange.first - base), AuUInt(AuHwInfo::gPageSize));
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#if defined(AURORA_IS_MODERNNT_DERIVED)
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if (!VirtualLock(AuReinterpretCast<LPVOID>(base), length))
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{
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SysPushErrorHAL("Couldn't lock memory 0x{:x} {}", base, length);
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return false;
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}
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#endif
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#if defined(AURORA_IS_POSIX_DERIVED)
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if (mlock(AuReinterpretCast<const void *>(base), length) != 0)
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{
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SysPushErrorHAL("Couldn't lock memory 0x{:x} {}", base, length);
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return false;
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}
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#endif
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}
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return true;
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}
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AUKN_SYM bool Unlock(const AuList<AuPair<AuUInt, AuUInt>> &addressRanges)
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{
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for (const auto &addressRange : addressRanges)
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{
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auto base = AuPageRound(addressRange.first, AuUInt(AuHwInfo::gPageSize));
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auto length = AuPageRoundUp(addressRange.second + (addressRange.first - base), AuUInt(AuHwInfo::gPageSize));
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#if defined(AURORA_IS_MODERNNT_DERIVED)
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if (!VirtualUnlock(AuReinterpretCast<LPVOID>(base), length))
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{
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SysPushErrorHAL("Couldn't unlock memory 0x{:x} {}", base, length);
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}
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#endif
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#if defined(AURORA_IS_POSIX_DERIVED)
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if (munlock(AuReinterpretCast<const void *>(base), length) != 0)
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{
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SysPushErrorHAL("Couldn't unlock memory 0x{:x} {}", base, length);
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}
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#endif
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}
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return true;
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}
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} |