Merge pull request #79 from purdue-aalp/dev

Merging dev-purdue to public-dev-gpgpu-sim-repo

1 files changed, 12 insertions, 1 deletions

diff --git a/src/gpgpu-sim/mem_fetch.h b/src/gpgpu-sim/mem_fetch.h
index de98748..e5efffd 100644
--- a/src/gpgpu-sim/mem_fetch.h
+++ b/src/gpgpu-sim/mem_fetch.h
@@ -55,7 +55,9 @@ public:
                unsigned wid,
                unsigned sid, 
                unsigned tpc, 
-               const struct memory_config *config );
+               const struct memory_config *config,
+			   mem_fetch *original_mf = NULL,
+			   mem_fetch *original_wr_mf = NULL);
    ~mem_fetch();
 
    void set_status( enum mem_fetch_status status, unsigned long long cycle );
@@ -104,6 +106,7 @@ public:
    enum mem_access_type get_access_type() const { return m_access.get_type(); }
    const active_mask_t& get_access_warp_mask() const { return m_access.get_warp_mask(); }
    mem_access_byte_mask_t get_access_byte_mask() const { return m_access.get_byte_mask(); }
+   mem_access_sector_mask_t get_access_sector_mask() const { return m_access.get_sector_mask(); }
 
    address_type get_pc() const { return m_inst.empty()?-1:m_inst.pc; }
    const warp_inst_t &get_inst() { return m_inst; }
@@ -112,6 +115,10 @@ public:
    const memory_config *get_mem_config(){return m_mem_config;}
 
    unsigned get_num_flits(bool simt_to_mem);
+
+   mem_fetch* get_original_mf() { return original_mf; }
+   mem_fetch* get_original_wr_mf()  { return original_wr_mf; }
+
 private:
    // request source information
    unsigned m_request_uid;
@@ -143,6 +150,10 @@ private:
 
    const struct memory_config *m_mem_config;
    unsigned icnt_flit_size;
+
+   mem_fetch* original_mf;  //this pointer is set up when a request is divided into sector requests at L2 cache (if the req size > L2 sector size), so the pointer refers to the original request
+   mem_fetch* original_wr_mf;  //this pointer refers to the original write req, when fetch-on-write policy is used
+
 };
 
 #endif