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src/hotspot/cpu/x86/gc/z/zGlobals_x86.hpp

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 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 #ifndef OS_CPU_LINUX_AARCH64_GC_Z_ZGLOBALS_LINUX_AARCH64_HPP
25 #define OS_CPU_LINUX_AARCH64_GC_Z_ZGLOBALS_LINUX_AARCH64_HPP
26 
27 //
28 // Page Allocation Tiers
29 // ---------------------
30 //
31 //  Page Type     Page Size     Object Size Limit     Object Alignment
32 //  ------------------------------------------------------------------
33 //  Small         2M            <= 265K               <MinObjAlignmentInBytes>
34 //  Medium        32M           <= 4M                 4K
35 //  Large         X*M           > 4M                  2M
36 //  ------------------------------------------------------------------
37 //
38 const size_t ZPlatformGranuleSizeShift      = 21; // 2MB
39 const size_t ZPlatformMaxHeapSizeShift      = 46; // 16TB
40 const size_t ZPlatformNMethodDisarmedOffset = 4;
41 const size_t ZPlatformCacheLineSize         = 64;
42 
43 uintptr_t    ZPlatformAddressSpaceStart();
44 uintptr_t    ZPlatformAddressSpaceEnd();
45 uintptr_t    ZPlatformAddressReservedStart();

31 //  Page Type     Page Size     Object Size Limit     Object Alignment
32 //  ------------------------------------------------------------------
33 //  Small         2M            <= 265K               <MinObjAlignmentInBytes>
34 //  Medium        32M           <= 4M                 4K
35 //  Large         X*M           > 4M                  2M
36 //  ------------------------------------------------------------------
37 //
38 const size_t ZPlatformGranuleSizeShift      = 21; // 2MB
39 const size_t ZPlatformMaxHeapSizeShift      = 46; // 16TB
40 const size_t ZPlatformNMethodDisarmedOffset = 4;
41 const size_t ZPlatformCacheLineSize         = 64;
42 
43 uintptr_t    ZPlatformAddressSpaceStart();
44 uintptr_t    ZPlatformAddressSpaceEnd();
45 uintptr_t    ZPlatformAddressReservedStart();
46 uintptr_t    ZPlatformAddressReservedEnd();
47 uintptr_t    ZPlatformAddressBase();
48 size_t       ZPlatformAddressOffsetBits();
49 size_t       ZPlatformAddressMetadataShift();
50 
51 #endif // OS_CPU_LINUX_AARCH64_GC_Z_ZGLOBALS_LINUX_AARCH64_HPP

 4  *
 5  * This code is free software; you can redistribute it and/or modify it
 6  * under the terms of the GNU General Public License version 2 only, as
 7  * published by the Free Software Foundation.
 8  *
 9  * This code is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12  * version 2 for more details (a copy is included in the LICENSE file that
13  * accompanied this code).
14  *
15  * You should have received a copy of the GNU General Public License version
16  * 2 along with this work; if not, write to the Free Software Foundation,
17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18  *
19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
20  * or visit www.oracle.com if you need additional information or have any
21  * questions.
22  */
23 
24 #ifndef CPU_X86_GC_Z_ZGLOBALS_X86_HPP
25 #define CPU_X86_GC_Z_ZGLOBALS_X86_HPP
26 
27 //
28 // Page Allocation Tiers
29 // ---------------------
30 //
31 //  Page Type     Page Size     Object Size Limit     Object Alignment
32 //  ------------------------------------------------------------------
33 //  Small         2M            <= 265K               <MinObjAlignmentInBytes>
34 //  Medium        32M           <= 4M                 4K
35 //  Large         X*M           > 4M                  2M
36 //  ------------------------------------------------------------------
37 //
38 const size_t ZPlatformGranuleSizeShift      = 21; // 2MB
39 const size_t ZPlatformMaxHeapSizeShift      = 46; // 16TB
40 const size_t ZPlatformNMethodDisarmedOffset = 4;
41 const size_t ZPlatformCacheLineSize         = 64;
42 
43 uintptr_t    ZPlatformAddressSpaceStart();
44 uintptr_t    ZPlatformAddressSpaceEnd();
45 uintptr_t    ZPlatformAddressReservedStart();

31 //  Page Type     Page Size     Object Size Limit     Object Alignment
32 //  ------------------------------------------------------------------
33 //  Small         2M            <= 265K               <MinObjAlignmentInBytes>
34 //  Medium        32M           <= 4M                 4K
35 //  Large         X*M           > 4M                  2M
36 //  ------------------------------------------------------------------
37 //
38 const size_t ZPlatformGranuleSizeShift      = 21; // 2MB
39 const size_t ZPlatformMaxHeapSizeShift      = 46; // 16TB
40 const size_t ZPlatformNMethodDisarmedOffset = 4;
41 const size_t ZPlatformCacheLineSize         = 64;
42 
43 uintptr_t    ZPlatformAddressSpaceStart();
44 uintptr_t    ZPlatformAddressSpaceEnd();
45 uintptr_t    ZPlatformAddressReservedStart();
46 uintptr_t    ZPlatformAddressReservedEnd();
47 uintptr_t    ZPlatformAddressBase();
48 size_t       ZPlatformAddressOffsetBits();
49 size_t       ZPlatformAddressMetadataShift();
50 
51 #endif // CPU_X86_GC_Z_ZGLOBALS_X86_HPP
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