Mercurial > hg > truffle
annotate src/os_cpu/linux_sparc/vm/vm_version_linux_sparc.cpp @ 1767:dee553c74493
Merge
author | never |
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date | Wed, 01 Sep 2010 00:40:05 -0700 |
parents | c18cbe5936b8 |
children | f95d63e2154a |
rev | line source |
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133 | 1 /* |
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2 * Copyright (c) 2006, 2008, Oracle and/or its affiliates. All rights reserved. |
133 | 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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 * | |
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
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20 * or visit www.oracle.com if you need additional information or have any |
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21 * questions. |
133 | 22 * |
23 */ | |
24 | |
25 # include "incls/_precompiled.incl" | |
26 # include "incls/_vm_version_linux_sparc.cpp.incl" | |
27 | |
28 static bool detect_niagara() { | |
29 char cpu[128]; | |
30 bool rv = false; | |
31 | |
32 FILE* fp = fopen("/proc/cpuinfo", "r"); | |
33 if (fp == NULL) { | |
34 return rv; | |
35 } | |
36 | |
37 while (!feof(fp)) { | |
38 if (fscanf(fp, "cpu\t\t: %100[^\n]", &cpu) == 1) { | |
39 if (strstr(cpu, "Niagara") != NULL) { | |
40 rv = true; | |
41 } | |
42 break; | |
43 } | |
44 } | |
45 | |
46 fclose(fp); | |
47 | |
48 return rv; | |
49 } | |
50 | |
51 int VM_Version::platform_features(int features) { | |
52 // Default to generic v9 | |
53 features = generic_v9_m; | |
54 | |
55 if (detect_niagara()) { | |
56 NOT_PRODUCT(if (PrintMiscellaneous && Verbose) tty->print_cr("Detected Linux on Niagara");) | |
57 features = niagara1_m; | |
58 } | |
59 | |
60 return features; | |
61 } |