19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "asm/macroAssembler.inline.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "runtime/java.hpp"
  29 #include "runtime/os.hpp"
  30 #include "runtime/stubCodeGenerator.hpp"
  31 #include "vm_version_sparc.hpp"
  32 
  33 int VM_Version::_features = VM_Version::unknown_m;
  34 const char* VM_Version::_features_str = "";
  35 unsigned int VM_Version::_L2_data_cache_line_size = 0;
  36 
  37 void VM_Version::initialize() {
  38 
  39   guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
  40   assert(_features != VM_Version::unknown_m, "System pre-initialization is not complete.");

  41 
  42   PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
  43   PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
  44   PrefetchFieldsAhead         = prefetch_fields_ahead();
  45 
  46   // Allocation prefetch settings
  47   intx cache_line_size = prefetch_data_size();
  48   if( cache_line_size > AllocatePrefetchStepSize )
  49     AllocatePrefetchStepSize = cache_line_size;
  50 
  51   assert(AllocatePrefetchLines > 0, "invalid value");
  52   if( AllocatePrefetchLines < 1 )     // set valid value in product VM
  53     AllocatePrefetchLines = 3;
  54   assert(AllocateInstancePrefetchLines > 0, "invalid value");
  55   if( AllocateInstancePrefetchLines < 1 ) // set valid value in product VM
  56     AllocateInstancePrefetchLines = 1;
  57 
  58   AllocatePrefetchDistance = allocate_prefetch_distance();
  59   AllocatePrefetchStyle    = allocate_prefetch_style();
  60 

  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  *
  23  */
  24 
  25 #include "precompiled.hpp"
  26 #include "asm/macroAssembler.inline.hpp"
  27 #include "memory/resourceArea.hpp"
  28 #include "runtime/java.hpp"
  29 #include "runtime/os.hpp"
  30 #include "runtime/stubCodeGenerator.hpp"
  31 #include "vm_version_sparc.hpp"
  32 
  33 int VM_Version::_features = VM_Version::unknown_m;
  34 const char* VM_Version::_features_str = "";
  35 unsigned int VM_Version::_L2_data_cache_line_size = 0;
  36 
  37 void VM_Version::initialize() {
  38 

  39   assert(_features != VM_Version::unknown_m, "System pre-initialization is not complete.");
  40   guarantee(VM_Version::has_v9(), "only SPARC v9 is supported");
  41 
  42   PrefetchCopyIntervalInBytes = prefetch_copy_interval_in_bytes();
  43   PrefetchScanIntervalInBytes = prefetch_scan_interval_in_bytes();
  44   PrefetchFieldsAhead         = prefetch_fields_ahead();
  45 
  46   // Allocation prefetch settings
  47   intx cache_line_size = prefetch_data_size();
  48   if( cache_line_size > AllocatePrefetchStepSize )
  49     AllocatePrefetchStepSize = cache_line_size;
  50 
  51   assert(AllocatePrefetchLines > 0, "invalid value");
  52   if( AllocatePrefetchLines < 1 )     // set valid value in product VM
  53     AllocatePrefetchLines = 3;
  54   assert(AllocateInstancePrefetchLines > 0, "invalid value");
  55   if( AllocateInstancePrefetchLines < 1 ) // set valid value in product VM
  56     AllocateInstancePrefetchLines = 1;
  57 
  58   AllocatePrefetchDistance = allocate_prefetch_distance();
  59   AllocatePrefetchStyle    = allocate_prefetch_style();
  60