52 lines
1.3 KiB
C++
52 lines
1.3 KiB
C++
/*
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* Copyright (C) 2017-2019 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 "runtime/helpers/aligned_memory.h"
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#include "runtime/os_interface/32bit_memory.h"
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using namespace OCLRT;
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bool OCLRT::is32BitOsAllocatorAvailable = is64bit;
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class Allocator32bit::OsInternals {
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public:
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void *allocatedRange;
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};
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Allocator32bit::Allocator32bit(uint64_t base, uint64_t size) : base(base), size(size) {
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heapAllocator = std::make_unique<HeapAllocator>(base, size);
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}
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OCLRT::Allocator32bit::Allocator32bit() {
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size_t sizeToMap = 100 * 4096;
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this->base = (uint64_t)alignedMalloc(sizeToMap, 4096);
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osInternals = std::make_unique<OsInternals>();
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osInternals->allocatedRange = (void *)((uintptr_t)this->base);
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heapAllocator = std::make_unique<HeapAllocator>(this->base, sizeToMap);
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}
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OCLRT::Allocator32bit::~Allocator32bit() {
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if (this->osInternals.get() != nullptr) {
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alignedFree(this->osInternals->allocatedRange);
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}
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}
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uint64_t Allocator32bit::allocate(size_t &size) {
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if (size >= 0xfffff000)
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return 0llu;
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return this->heapAllocator->allocate(size);
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}
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int Allocator32bit::free(uint64_t ptr, size_t size) {
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this->heapAllocator->free(ptr, size);
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return 0;
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}
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uintptr_t Allocator32bit::getBase() const {
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return (uintptr_t)base;
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}
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