69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/*
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* Copyright (c) 2017, Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#include "runtime/os_interface/32bit_memory.h"
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#include "runtime/helpers/aligned_memory.h"
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using namespace OCLRT;
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bool OCLRT::is32BitOsAllocatorAvailable = is64bit ? true : false;
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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) {
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this->base = base;
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this->size = size;
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heapAllocator = std::unique_ptr<HeapAllocator>(new HeapAllocator((void *)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::unique_ptr<OsInternals>(new OsInternals);
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osInternals.get()->allocatedRange = (void *)((uintptr_t)this->base);
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heapAllocator = std::unique_ptr<HeapAllocator>(new HeapAllocator((void *)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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void *Allocator32bit::allocate(size_t &size) {
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if (size >= 0xfffff000)
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return nullptr;
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return this->heapAllocator->allocate(size);
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}
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int Allocator32bit::free(void *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() {
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return (uintptr_t)base;
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}
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