/*

 * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.

 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.

 *

 * This code is free software; you can redistribute it and/or modify it

 * under the terms of the GNU General Public License version 2 only, as

 * published by the Free Software Foundation.

 *

 * This code is distributed in the hope that it will be useful, but WITHOUT

 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or

 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License

 * version 2 for more details (a copy is included in the LICENSE file that

 * accompanied this code).

 *

 * You should have received a copy of the GNU General Public License version

 * 2 along with this work; if not, write to the Free Software Foundation,

 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.

 *

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#ifndef CPU_X86_GC_Z_ZGLOBALS_X86_HPP

#define CPU_X86_GC_Z_ZGLOBALS_X86_HPP

//

// Page Allocation Tiers

// ---------------------

//

//  Page Type     Page Size     Object Size Limit     Object Alignment

//  ------------------------------------------------------------------

//  Small         2M            <= 265K               <MinObjAlignmentInBytes>

//  Medium        32M           <= 4M                 4K

//  Large         X*M           > 4M                  2M

//  ------------------------------------------------------------------

//

const size_t ZPlatformGranuleSizeShift      = 21; // 2MB

const size_t ZPlatformMaxHeapSizeShift      = 46; // 16TB

const size_t ZPlatformNMethodDisarmedOffset = 4;

const size_t ZPlatformCacheLineSize         = 64;

uintptr_t    ZPlatformAddressBase();

size_t       ZPlatformAddressOffsetBits();

size_t       ZPlatformAddressMetadataShift();

#endif // CPU_X86_GC_Z_ZGLOBALS_X86_HPP