/*

 * Copyright (c) 2006, 2010, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA

 * or visit www.oracle.com if you need additional information or have any

 * questions.

 *

 */

#include "precompiled.hpp"

#include "runtime/os.hpp"

#include "vm_version_sparc.hpp"

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;

}