/*
* 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 OS_CPU_LINUX_X86_GC_Z_ZGLOBALS_LINUX_X86_HPP
#define OS_CPU_LINUX_X86_GC_Z_ZGLOBALS_LINUX_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 ZPlatformAddressSpaceStart();
uintptr_t ZPlatformAddressSpaceEnd();
uintptr_t ZPlatformAddressReservedStart();
uintptr_t ZPlatformAddressReservedEnd();
uintptr_t ZPlatformAddressBase();
size_t ZPlatformAddressOffsetBits();
size_t ZPlatformAddressMetadataShift();
#endif // OS_CPU_LINUX_X86_GC_Z_ZGLOBALS_LINUX_X86_HPP