Mercurial > hg > truffle
annotate src/os_cpu/linux_sparc/vm/vm_version_linux_sparc.cpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | a0ea36509b7b |
| rev | line source |
|---|---|
| 133 | 1 /* |
| 1972 | 2 * Copyright (c) 2006, 2010, 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 |
|
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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 | |
| 1972 | 25 #include "precompiled.hpp" |
| 26 #include "runtime/os.hpp" | |
| 27 #include "vm_version_sparc.hpp" | |
| 133 | 28 |
| 29 static bool detect_niagara() { | |
| 30 char cpu[128]; | |
| 31 bool rv = false; | |
| 32 | |
| 33 FILE* fp = fopen("/proc/cpuinfo", "r"); | |
| 34 if (fp == NULL) { | |
| 35 return rv; | |
| 36 } | |
| 37 | |
| 38 while (!feof(fp)) { | |
| 39 if (fscanf(fp, "cpu\t\t: %100[^\n]", &cpu) == 1) { | |
| 40 if (strstr(cpu, "Niagara") != NULL) { | |
| 41 rv = true; | |
| 42 } | |
| 43 break; | |
| 44 } | |
| 45 } | |
| 46 | |
| 47 fclose(fp); | |
| 48 | |
| 49 return rv; | |
| 50 } | |
| 51 | |
| 52 int VM_Version::platform_features(int features) { | |
| 53 // Default to generic v9 | |
| 54 features = generic_v9_m; | |
| 55 | |
| 56 if (detect_niagara()) { | |
| 57 NOT_PRODUCT(if (PrintMiscellaneous && Verbose) tty->print_cr("Detected Linux on Niagara");) | |
| 58 features = niagara1_m; | |
| 59 } | |
| 60 | |
| 61 return features; | |
| 62 } |