/*
 * Copyright (c) 2017, Intel Corporation
 *
 * Permission is hereby granted, free of charge, to any person obtaining a
 * copy of this software and associated documentation files (the "Software"),
 * to deal in the Software without restriction, including without limitation
 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
 * and/or sell copies of the Software, and to permit persons to whom the
 * Software is furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included
 * in all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 */

#pragma once
#include <cstdint>
#include <cstddef>

namespace MemoryConstants {
static const uint64_t zoneHigh = ~(uint64_t)0xFFFFFFFF;
static const uint64_t kiloByte = 1024;
static const uint64_t kiloByteShiftSize = 10;
static const uint64_t megaByte = 1024 * kiloByte;
static const uint64_t gigaByte = 1024 * megaByte;
static const size_t minBufferAlignment = 4;
static const size_t cacheLineSize = 64;
static const size_t pageSize = 4 * kiloByte;
static const size_t pageSize64k = 64 * kiloByte;
static const size_t preferredAlignment = pageSize;  // alignment preferred for performance reasons, i.e. internal allocations
static const size_t allocationAlignment = pageSize; // alignment required to gratify incoming pointer, i.e. passed host_ptr
static const size_t slmWindowAlignment = 128 * kiloByte;
static const size_t slmWindowSize = 64 * kiloByte;
static const uintptr_t pageMask = (pageSize - 1);
static const uintptr_t page64kMask = (pageSize64k - 1);
static const uint64_t max32BitAppAddress = ((1ULL << 31) - 1);
static const uint64_t max64BitAppAddress = ((1ULL << 47) - 1);
static const uint32_t sizeOf4GBinPageEntities = (MemoryConstants::gigaByte * 4 - MemoryConstants::pageSize) / MemoryConstants::pageSize;
}

const bool is32bit = (sizeof(void *) == 4) ? true : false;
const bool is64bit = (sizeof(void *) == 8) ? true : false;