Mercurial > hg > truffle
comparison src/os_cpu/linux_sparc/vm/vm_version_linux_sparc.cpp @ 133:435e64505015
6693457: Open-source hotspot linux-sparc support
Summary: Move os_cpu/linux_sparc from closed to open
Reviewed-by: kamg
author | phh |
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date | Thu, 24 Apr 2008 15:07:57 -0400 |
parents | |
children | d1605aabd0a1 |
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122:ec73d88d5b43 | 133:435e64505015 |
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1 /* | |
2 * Copyright 2006 Sun Microsystems, Inc. All Rights Reserved. | |
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 * | |
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, | |
20 * CA 95054 USA or visit www.sun.com if you need additional information or | |
21 * have any questions. | |
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 } |