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comparison src/cpu/ppc/vm/vm_version_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 71a71b0bc844
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14407:94c202aa2646 14408:ec28f9c041ff
1 /*
2 * Copyright (c) 1997, 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_VM_VERSION_PPC_HPP
27 #define CPU_PPC_VM_VM_VERSION_PPC_HPP
28
29 #include "runtime/globals_extension.hpp"
30 #include "runtime/vm_version.hpp"
31
32 class VM_Version: public Abstract_VM_Version {
33 protected:
34 enum Feature_Flag {
35 fsqrt,
36 isel,
37 lxarxeh,
38 cmpb,
39 popcntb,
40 popcntw,
41 fcfids,
42 vand,
43 dcba,
44 num_features // last entry to count features
45 };
46 enum Feature_Flag_Set {
47 unknown_m = 0,
48 fsqrt_m = (1 << fsqrt ),
49 isel_m = (1 << isel ),
50 lxarxeh_m = (1 << lxarxeh),
51 cmpb_m = (1 << cmpb ),
52 popcntb_m = (1 << popcntb),
53 popcntw_m = (1 << popcntw),
54 fcfids_m = (1 << fcfids ),
55 vand_m = (1 << vand ),
56 dcba_m = (1 << dcba ),
57 all_features_m = -1
58 };
59 static int _features;
60 static int _measured_cache_line_size;
61 static const char* _features_str;
62 static bool _is_determine_features_test_running;
63
64 static void print_features();
65 static void determine_features(); // also measures cache line size
66 static void determine_section_size();
67 static void power6_micro_bench();
68 public:
69 // Initialization
70 static void initialize();
71
72 static bool is_determine_features_test_running() { return _is_determine_features_test_running; }
73 // CPU instruction support
74 static bool has_fsqrt() { return (_features & fsqrt_m) != 0; }
75 static bool has_isel() { return (_features & isel_m) != 0; }
76 static bool has_lxarxeh() { return (_features & lxarxeh_m) !=0; }
77 static bool has_cmpb() { return (_features & cmpb_m) != 0; }
78 static bool has_popcntb() { return (_features & popcntb_m) != 0; }
79 static bool has_popcntw() { return (_features & popcntw_m) != 0; }
80 static bool has_fcfids() { return (_features & fcfids_m) != 0; }
81 static bool has_vand() { return (_features & vand_m) != 0; }
82 static bool has_dcba() { return (_features & dcba_m) != 0; }
83
84 static const char* cpu_features() { return _features_str; }
85
86 static int get_cache_line_size() { return _measured_cache_line_size; }
87
88 // Assembler testing
89 static void allow_all();
90 static void revert();
91 };
92
93 #endif // CPU_PPC_VM_VM_VERSION_PPC_HPP