13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  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 #include "precompiled.hpp"
  25 #include "gc/z/zPage.inline.hpp"
  26 #include "gc/z/zPageTable.inline.hpp"
  27 #include "runtime/orderAccess.hpp"
  28 #include "utilities/debug.hpp"
  29 
  30 ZPageTable::ZPageTable() :
  31     _map() {}
  32 
  33 ZPageTableEntry* ZPageTable::addr() const {
  34   return _map.addr();
  35 }
  36 
  37 ZPageTableEntry ZPageTable::get_entry(ZPage* page) const {
  38   const uintptr_t addr = ZAddress::good(page->start());
  39   return _map.get(addr);
  40 }
  41 
  42 void ZPageTable::put_entry(ZPage* page, ZPageTableEntry entry) {
  43   // Make sure a newly created page is globally visible before
  44   // updating the pagetable.
  45   OrderAccess::storestore();
  46 
  47   const uintptr_t start = ZAddress::good(page->start());
  48   const uintptr_t end = start + page->size();
  49   for (uintptr_t addr = start; addr < end; addr += ZPageSizeMin) {
  50     _map.put(addr, entry);
  51   }
  52 }
  53 
  54 void ZPageTable::insert(ZPage* page) {
  55   assert(get_entry(page).page() == NULL ||
  56          get_entry(page).page() == page, "Invalid entry");

  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  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 #include "precompiled.hpp"
  25 #include "gc/z/zPage.inline.hpp"
  26 #include "gc/z/zPageTable.inline.hpp"
  27 #include "runtime/orderAccess.hpp"
  28 #include "utilities/debug.hpp"
  29 
  30 ZPageTable::ZPageTable() :
  31     _map() {}
  32 




  33 ZPageTableEntry ZPageTable::get_entry(ZPage* page) const {
  34   const uintptr_t addr = ZAddress::good(page->start());
  35   return _map.get(addr);
  36 }
  37 
  38 void ZPageTable::put_entry(ZPage* page, ZPageTableEntry entry) {
  39   // Make sure a newly created page is globally visible before
  40   // updating the pagetable.
  41   OrderAccess::storestore();
  42 
  43   const uintptr_t start = ZAddress::good(page->start());
  44   const uintptr_t end = start + page->size();
  45   for (uintptr_t addr = start; addr < end; addr += ZPageSizeMin) {
  46     _map.put(addr, entry);
  47   }
  48 }
  49 
  50 void ZPageTable::insert(ZPage* page) {
  51   assert(get_entry(page).page() == NULL ||
  52          get_entry(page).page() == page, "Invalid entry");