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 #ifndef SHARE_GC_Z_ZPREMAPPEDMEMORY_HPP
  25 #define SHARE_GC_Z_ZPREMAPPEDMEMORY_HPP
  26 
  27 #include "gc/z/zPhysicalMemory.hpp"
  28 #include "gc/z/zVirtualMemory.hpp"
  29 #include "memory/allocation.hpp"
  30 
  31 class ZPage;
  32 
  33 class ZPreMappedMemory VALUE_OBJ_CLASS_SPEC {
  34 private:
  35   ZVirtualMemory  _vmem;
  36   ZPhysicalMemory _pmem;
  37   bool            _initialized;
  38 
  39 public:
  40   ZPreMappedMemory(ZVirtualMemoryManager &vmm, ZPhysicalMemoryManager &pmm, size_t size);
  41 
  42   bool is_initialized() const;
  43 
  44   ZPhysicalMemory& physical_memory();
  45   const ZVirtualMemory& virtual_memory() const;
  46 
  47   size_t available() const;
  48 
  49   ZPage* alloc_page(uint8_t type, size_t size);
  50 
  51   void clear();
  52 };
  53 

  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 #ifndef SHARE_GC_Z_ZPREMAPPEDMEMORY_HPP
  25 #define SHARE_GC_Z_ZPREMAPPEDMEMORY_HPP
  26 
  27 #include "gc/z/zPhysicalMemory.hpp"
  28 #include "gc/z/zVirtualMemory.hpp"
  29 #include "memory/allocation.hpp"
  30 
  31 class ZPage;
  32 
  33 class ZPreMappedMemory {
  34 private:
  35   ZVirtualMemory  _vmem;
  36   ZPhysicalMemory _pmem;
  37   bool            _initialized;
  38 
  39 public:
  40   ZPreMappedMemory(ZVirtualMemoryManager &vmm, ZPhysicalMemoryManager &pmm, size_t size);
  41 
  42   bool is_initialized() const;
  43 
  44   ZPhysicalMemory& physical_memory();
  45   const ZVirtualMemory& virtual_memory() const;
  46 
  47   size_t available() const;
  48 
  49   ZPage* alloc_page(uint8_t type, size_t size);
  50 
  51   void clear();
  52 };
  53