common:gn4124: Add function to print all dma items for debug.

common/gn4124.py

@@ -204,6 +204,22 @@ class CGN4124:
             self.wr_reg(self.HOST_BAR, self.HOST_DMA_ATTRIB + current_item_addr, attrib)
         self.dma_item_cnt += 1
 
+    # Print all DMA items
+    def print_dma_items(self):
+        print("Host memory page addresses:")
+        for page in self.pages:
+            print("0x%x"%page)
+
+        print("First item (in FPGA):")
+        for addr in range(0x0, 0x24, 0x4):
+            print("0x%02X: 0x%08X"%(addr, self.dma_csr.rd_reg(addr)))
+
+        print("Items in host memory:")
+        for item in range(self.PAGE_SIZE/0x20):
+            print("Item %d:"%item)
+            for addr in range(0x0, 0x20, 0x4):
+                print("0x%02X: 0x%08X"%(item*0x20 + addr, self.rd_reg(self.HOST_BAR, item*0x20 + addr)))
+
     # Start DMA transfer
     def start_dma(self):
         self.dma_item_cnt = 0