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comparison src/cpu/ppc/vm/icache_ppc.hpp @ 14408:ec28f9c041ff

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8019972: PPC64 (part 9): platform files for interpreter only VM. Summary: With this change the HotSpot core build works on Linux/PPC64. The VM succesfully executes simple test programs. Reviewed-by: kvn
author goetz
date Fri, 02 Aug 2013 16:46:45 +0200
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children 67fa91961822
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14407:94c202aa2646 14408:ec28f9c041ff
1 /*
2 * Copyright (c) 2002, 2013, Oracle and/or its affiliates. All rights reserved.
3 * Copyright 2012, 2013 SAP AG. All rights reserved.
4 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
5 *
6 * This code is free software; you can redistribute it and/or modify it
7 * under the terms of the GNU General Public License version 2 only, as
8 * published by the Free Software Foundation.
9 *
10 * This code is distributed in the hope that it will be useful, but WITHOUT
11 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
12 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
13 * version 2 for more details (a copy is included in the LICENSE file that
14 * accompanied this code).
15 *
16 * You should have received a copy of the GNU General Public License version
17 * 2 along with this work; if not, write to the Free Software Foundation,
18 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
19 *
20 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
21 * or visit www.oracle.com if you need additional information or have any
22 * questions.
23 *
24 */
25
26 #ifndef CPU_PPC_VM_ICACHE_PPC_HPP
27 #define CPU_PPC_VM_ICACHE_PPC_HPP
28
29 // Interface for updating the instruction cache. Whenever the VM modifies
30 // code, part of the processor instruction cache potentially has to be flushed.
31
32 class ICache : public AbstractICache {
33 public:
34 enum {
35 // On PowerPC the cache line size is 32 bytes.
36 stub_size = 160, // Size of the icache flush stub in bytes.
37 line_size = 32, // Flush instruction affects 32 bytes.
38 log2_line_size = 5 // log2(line_size)
39 };
40
41 // Use default implementation
42 };
43
44 #endif // CPU_PPC_VM_ICACHE_PPC_HPP