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e0362a7c39
For using fixed width integer types[1], the `<cstdint>`[2] C++ header needs to be explicitly included with GCC 15 due to changes[3] in libstdc++. For details, see the documentation[4] about porting to GCC 15. [1] https://en.cppreference.com/w/cpp/types/integer [2] https://en.cppreference.com/w/cpp/header/cstdint [3] https://gcc.gnu.org/git/?p=gcc.git;a=commit;h=3a817a4a5a6d94da9127af3be9f84 [4] https://gcc.gnu.org/gcc-15/porting_to.html#cxx Signed-off-by: Daniel Bermond <dbermond@archlinux.org>
46 lines
1.2 KiB
C++
46 lines
1.2 KiB
C++
/*
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* Copyright (C) 2019-2025 Intel Corporation
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*
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* SPDX-License-Identifier: MIT
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*
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*/
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#pragma once
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#include <cstdint>
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#include <memory>
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#include <vector>
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namespace NEO {
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struct OSMemory {
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public:
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struct ReservedCpuAddressRange {
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void *originalPtr = nullptr;
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void *alignedPtr = nullptr;
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size_t sizeToReserve = 0;
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size_t actualReservedSize = 0;
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};
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struct MappedRegion {
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uint64_t start = 0, end = 0;
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};
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using MemoryMaps = std::vector<OSMemory::MappedRegion>;
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public:
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static std::unique_ptr<OSMemory> create();
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virtual ~OSMemory() = default;
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MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(size_t sizeToReserve, size_t alignment);
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MOCKABLE_VIRTUAL ReservedCpuAddressRange reserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, size_t alignment);
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MOCKABLE_VIRTUAL void releaseCpuAddressRange(const ReservedCpuAddressRange &reservedCpuAddressRange);
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virtual void getMemoryMaps(MemoryMaps &memoryMaps) = 0;
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virtual void *osReserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, bool topDownHint) = 0;
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virtual void osReleaseCpuAddressRange(void *reservedCpuAddressRange, size_t reservedSize) = 0;
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};
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} // namespace NEO
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