--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/cpu/sparc/vm/vm_version_sparc.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,132 @@
+/*
+ * Copyright 1997-2007 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.
+ *
+ */
+
+class VM_Version: public Abstract_VM_Version {
+protected:
+  enum Feature_Flag {
+    v8_instructions     = 0,
+    hardware_int_muldiv = 1,
+    hardware_fsmuld     = 2,
+    v9_instructions     = 3,
+    vis1_instructions   = 4,
+    vis2_instructions   = 5,
+    sun4v_instructions  = 6
+  };
+
+  enum Feature_Flag_Set {
+    unknown_m             = 0,
+    all_features_m        = -1,
+
+    v8_instructions_m     = 1 << v8_instructions,
+    hardware_int_muldiv_m = 1 << hardware_int_muldiv,
+    hardware_fsmuld_m     = 1 << hardware_fsmuld,
+    v9_instructions_m     = 1 << v9_instructions,
+    vis1_instructions_m   = 1 << vis1_instructions,
+    vis2_instructions_m   = 1 << vis2_instructions,
+    sun4v_m               = 1 << sun4v_instructions,
+
+    generic_v8_m          = v8_instructions_m | hardware_int_muldiv_m | hardware_fsmuld_m,
+    generic_v9_m          = generic_v8_m | v9_instructions_m | vis1_instructions_m,
+    ultra3_m              = generic_v9_m | vis2_instructions_m,
+
+    // Temporary until we have something more accurate
+    niagara1_unique_m     = sun4v_m,
+    niagara1_m            = generic_v9_m | niagara1_unique_m
+  };
+
+  static int  _features;
+  static const char* _features_str;
+
+  static void print_features();
+  static int  determine_features();
+  static int  platform_features(int features);
+
+  static bool is_niagara1(int features) { return (features & niagara1_m) == niagara1_m; }
+
+public:
+  // Initialization
+  static void initialize();
+
+  // Instruction support
+  static bool has_v8()                  { return (_features & v8_instructions_m) != 0; }
+  static bool has_v9()                  { return (_features & v9_instructions_m) != 0; }
+  static bool has_hardware_int_muldiv() { return (_features & hardware_int_muldiv_m) != 0; }
+  static bool has_hardware_fsmuld()     { return (_features & hardware_fsmuld_m) != 0; }
+  static bool has_vis1()                { return (_features & vis1_instructions_m) != 0; }
+  static bool has_vis2()                { return (_features & vis2_instructions_m) != 0; }
+
+  static bool supports_compare_and_exchange()
+                                        { return has_v9(); }
+
+  static bool is_ultra3()               { return (_features & ultra3_m) == ultra3_m; }
+  static bool is_sun4v()                { return (_features & sun4v_m) != 0; }
+  static bool is_niagara1()             { return is_niagara1(_features); }
+
+  static bool has_fast_fxtof()          { return has_v9() && !is_ultra3(); }
+
+  static const char* cpu_features()     { return _features_str; }
+
+  static intx L1_data_cache_line_size()  {
+    return 64;  // default prefetch block size on sparc
+  }
+
+  // Prefetch
+  static intx prefetch_copy_interval_in_bytes() {
+    intx interval = PrefetchCopyIntervalInBytes;
+    return interval >= 0 ? interval : (has_v9() ? 512 : 0);
+  }
+  static intx prefetch_scan_interval_in_bytes() {
+    intx interval = PrefetchScanIntervalInBytes;
+    return interval >= 0 ? interval : (has_v9() ? 512 : 0);
+  }
+  static intx prefetch_fields_ahead() {
+    intx count = PrefetchFieldsAhead;
+    return count >= 0 ? count : (is_ultra3() ? 1 : 0);
+  }
+
+  static intx allocate_prefetch_distance() {
+    // This method should be called before allocate_prefetch_style().
+    intx count = AllocatePrefetchDistance;
+    if (count < 0) { // default is not defined ?
+      count = 512;
+    }
+    return count;
+  }
+  static intx allocate_prefetch_style() {
+    assert(AllocatePrefetchStyle >= 0, "AllocatePrefetchStyle should be positive");
+    // Return 0 if AllocatePrefetchDistance was not defined.
+    return AllocatePrefetchDistance > 0 ? AllocatePrefetchStyle : 0;
+  }
+
+  // Legacy
+  static bool v8_instructions_work() { return has_v8() && !has_v9(); }
+  static bool v9_instructions_work() { return has_v9(); }
+
+  // Assembler testing
+  static void allow_all();
+  static void revert();
+
+  // Override the Abstract_VM_Version implementation.
+  static uint page_size_count() { return is_sun4v() ? 4 : 2; }
+};