The commits includes:

1- REEAD/WERITE buffer for DRAM
2- Fixing FETCH_ON_WRITE cahce policy  bug

1 files changed, 12 insertions, 0 deletions

diff --git a/src/gpgpu-sim/dram_sched.h b/src/gpgpu-sim/dram_sched.h
index 3860f5b..63f5831 100644
--- a/src/gpgpu-sim/dram_sched.h
+++ b/src/gpgpu-sim/dram_sched.h
@@ -35,6 +35,11 @@
 #include <list>
 #include <map>
 
+enum memory_mode {
+   READ_MODE = 0,
+   WRITE_MODE
+};
+
 class frfcfs_scheduler {
 public:
    frfcfs_scheduler( const memory_config *config, dram_t *dm, memory_stats_t *stats );
@@ -43,17 +48,24 @@ public:
    dram_req_t *schedule( unsigned bank, unsigned curr_row );
    void print( FILE *fp );
    unsigned num_pending() const { return m_num_pending;}
+   unsigned num_write_pending() const { return m_num_write_pending;}
 
 private:
    const memory_config *m_config;
    dram_t *m_dram;
    unsigned m_num_pending;
+   unsigned m_num_write_pending;
    std::list<dram_req_t*>                                    *m_queue;
    std::map<unsigned,std::list<std::list<dram_req_t*>::iterator> >    *m_bins;
    std::list<std::list<dram_req_t*>::iterator>                 **m_last_row;
    unsigned *curr_row_service_time; //one set of variables for each bank.
    unsigned *row_service_timestamp; //tracks when scheduler began servicing current row
 
+   std::list<dram_req_t*>                                    *m_write_queue;
+   std::map<unsigned,std::list<std::list<dram_req_t*>::iterator> >    *m_write_bins;
+   std::list<std::list<dram_req_t*>::iterator>                 **m_last_write_row;
+
+   enum memory_mode m_mode;
    memory_stats_t *m_stats;
 };