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0bc5e158e5
Related-To: NEO-4525 Change-Id: I6d97ae41af1a0fba31993683bfc669f79aa5b77b Signed-off-by: Igor Venevtsev <igor.venevtsev@intel.com>
38 lines
1.3 KiB
C++
38 lines
1.3 KiB
C++
/*
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* Copyright (C) 2020 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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#include "shared/source/os_interface/os_memory.h"
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#include "shared/source/helpers/aligned_memory.h"
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namespace NEO {
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OSMemory::ReservedCpuAddressRange OSMemory::reserveCpuAddressRange(size_t sizeToReserve, size_t alignment) {
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return reserveCpuAddressRange(0, sizeToReserve, alignment);
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}
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OSMemory::ReservedCpuAddressRange OSMemory::reserveCpuAddressRange(void *baseAddress, size_t sizeToReserve, size_t alignment) {
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UNRECOVERABLE_IF(0 == alignment);
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UNRECOVERABLE_IF(0 != (alignment & (alignment - 1)));
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ReservedCpuAddressRange reservedCpuAddressRange;
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reservedCpuAddressRange.actualReservedSize = sizeToReserve + alignment;
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reservedCpuAddressRange.originalPtr = this->osReserveCpuAddressRange(baseAddress, reservedCpuAddressRange.actualReservedSize);
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reservedCpuAddressRange.alignedPtr = alignUp(reservedCpuAddressRange.originalPtr, alignment);
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return reservedCpuAddressRange;
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}
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void OSMemory::releaseCpuAddressRange(const ReservedCpuAddressRange &reservedCpuAddressRange) {
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if (reservedCpuAddressRange.originalPtr != nullptr) {
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this->osReleaseCpuAddressRange(reservedCpuAddressRange.originalPtr, reservedCpuAddressRange.actualReservedSize);
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}
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}
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} // namespace NEO
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