Mercurial > hg > graal-compiler
view src/os_cpu/linux_sparc/vm/vm_version_linux_sparc.cpp @ 1536:892898e961c5
Merge
author | dcubed |
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date | Mon, 17 May 2010 07:11:27 -0700 |
parents | d1605aabd0a1 |
children | c18cbe5936b8 |
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/* * Copyright 2006-2008 Sun Microsystems, Inc. All Rights Reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is free software; you can redistribute it and/or modify it * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. * * This code is distributed in the hope that it will be useful, but WITHOUT * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this code). * * You should have received a copy of the GNU General Public License version * 2 along with this work; if not, write to the Free Software Foundation, * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. * * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, * CA 95054 USA or visit www.sun.com if you need additional information or * have any questions. * */ # include "incls/_precompiled.incl" # include "incls/_vm_version_linux_sparc.cpp.incl" static bool detect_niagara() { char cpu[128]; bool rv = false; FILE* fp = fopen("/proc/cpuinfo", "r"); if (fp == NULL) { return rv; } while (!feof(fp)) { if (fscanf(fp, "cpu\t\t: %100[^\n]", &cpu) == 1) { if (strstr(cpu, "Niagara") != NULL) { rv = true; } break; } } fclose(fp); return rv; } int VM_Version::platform_features(int features) { // Default to generic v9 features = generic_v9_m; if (detect_niagara()) { NOT_PRODUCT(if (PrintMiscellaneous && Verbose) tty->print_cr("Detected Linux on Niagara");) features = niagara1_m; } return features; }