adding support for verilator-driven AFU driver: vlsim

hw/simulate/simulator.cpp

@@ -3,6 +3,11 @@
 #include <fstream>
 #include <iomanip>
 
+#define ENABLE_DRAM_STALLS
+#define DRAM_LATENCY 4
+#define DRAM_RQ_SIZE 16
+#define DRAM_STALLS_MODULO 16
+
 uint64_t timestamp = 0;
 
 double sc_time_stamp() { 

hw/simulate/simulator.h

@@ -14,17 +14,6 @@
 #include <ostream>
 #include <vector>
 
-#define ENABLE_DRAM_STALLS
-#define DRAM_LATENCY 4
-#define DRAM_RQ_SIZE 16
-#define DRAM_STALLS_MODULO 16
-
-typedef struct {
-  int cycles_left;  
-  std::array<uint8_t, GLOBAL_BLOCK_SIZE> block;
-  unsigned tag;
-} dram_req_t;
-
 class Simulator {
 public:
   
@@ -53,6 +42,12 @@ public:
 
 private:  
 
+  typedef struct {
+    int cycles_left;  
+    std::array<uint8_t, GLOBAL_BLOCK_SIZE> block;
+    unsigned tag;
+  } dram_req_t;
+
   void eval();  
 
   void eval_dram_bus();
@@ -61,7 +56,7 @@ private:
   void eval_snp_bus();
   
   std::vector<dram_req_t> dram_rsp_vec_;
-  int dram_rsp_active_;
+  bool dram_rsp_active_;
   
   bool snp_req_active_;
   bool csr_req_active_;