hotspot/src/os_cpu/linux_sparc/vm/vm_version_linux_sparc.cpp
author phh
Thu, 24 Apr 2008 15:07:57 -0400
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child 670 ddf3e9583f2f
permissions -rw-r--r--
6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
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/*
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 * Copyright 2006 Sun Microsystems, Inc.  All Rights Reserved.
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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * This code is free software; you can redistribute it and/or modify it
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 * under the terms of the GNU General Public License version 2 only, as
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 * published by the Free Software Foundation.
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 *
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 * This code is distributed in the hope that it will be useful, but WITHOUT
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
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 * version 2 for more details (a copy is included in the LICENSE file that
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 * accompanied this code).
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 *
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 * You should have received a copy of the GNU General Public License version
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 * 2 along with this work; if not, write to the Free Software Foundation,
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 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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 *
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 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
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 * CA 95054 USA or visit www.sun.com if you need additional information or
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 * have any questions.
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 *
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 */
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# include "incls/_precompiled.incl"
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# include "incls/_vm_version_linux_sparc.cpp.incl"
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static bool detect_niagara() {
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  char cpu[128];
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  bool rv = false;
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  FILE* fp = fopen("/proc/cpuinfo", "r");
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  if (fp == NULL) {
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    return rv;
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  }
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  while (!feof(fp)) {
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    if (fscanf(fp, "cpu\t\t: %100[^\n]", &cpu) == 1) {
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      if (strstr(cpu, "Niagara") != NULL) {
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        rv = true;
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      }
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      break;
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    }
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  }
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  fclose(fp);
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  return rv;
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}
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int VM_Version::platform_features(int features) {
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  // Default to generic v9
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  features = generic_v9_m;
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  if (detect_niagara()) {
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    NOT_PRODUCT(if (PrintMiscellaneous && Verbose) tty->print_cr("Detected Linux on Niagara");)
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    features = niagara1_m;
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  }
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  return features;
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}