Properly handle HTIF writes

Author: zarubaf

ariane_tb.cpp

@@ -37,11 +37,18 @@ extern void write_uint64 (unsigned long long address, unsigned long long data) {
  htif->memif().write_uint64(address, data);
 }
 
+extern unsigned long long get_tohost_address() {
+ return htif->get_tohost_address();
+}
+
+extern unsigned long long get_fromhost_address() {
+ return htif->get_fromhost_address();
+}
 // This is a 64-bit integer to reduce wrap over issues and
 // allow modulus. You can also use a double, if you wish.
 
 double sc_time_stamp () { // Called by $time in Verilog
- return htif->main_time;  // converts to double, to match
+ return htif->main_time; // converts to double, to match
  // what SystemC does
 }
 
@@ -52,6 +59,9 @@ int main(int argc, char **argv) {
  htif.reset(new simmem_t(argc, argv, 0x80000000, 8, 2097152));
 
  htif->start();
+
+ // printf("fromhost: %llx, tohost: %llx\n", htif->get_fromhost_address(), htif->get_tohost_address());
+
  htif->run();
 
  exit(0);

simmem.cpp

@@ -67,6 +67,14 @@ void simmem_t::main()
  }
 }
 
+addr_t simmem_t::get_tohost_address() {
+ return htif_t::tohost_addr;
+}
+
+addr_t simmem_t::get_fromhost_address() {
+ return htif_t::fromhost_addr;
+}
+
 void simmem_t::idle()
 {
  target.switch_to();

simmem.h

@@ -38,6 +38,9 @@ class simmem_t : public htif_t
 public:
  simmem_t(int argc, char** argv, size_t b, size_t w, size_t d);
  int run();
+ addr_t get_tohost_address();
+ addr_t get_fromhost_address();
+
  vluint64_t main_time; // Current simulation time
 private:
  size_t base;