Added protection unit support and write strobe support

Author: allRisc

src/agent/ahb_driver.svh

@@ -190,6 +190,8 @@ class ahb_driver#(`_AHB_AGENT_PARAM_DEFS) extends uvm_driver#(ahb_transaction#(`
                 m_vif.hsize = addr_trans.size;
                 m_vif.haddr  = addr_trans.addr;
                 m_vif.hwrite = addr_trans.write;
+                m_vif.hwstrb = addr_trans.wstrb;
+                m_vif.hprot = addr_trans.hprot;
             end
             else begin
                 m_vif.hsel = 1'b0;

src/agent/ahb_monitor.svh

@@ -119,6 +119,8 @@ class ahb_monitor#(`_AHB_AGENT_PARAM_DEFS) extends uvm_monitor;
                     trans.addr = m_vif.haddr;
                     trans.write = ahb_write_e'(m_vif.hwrite);
                     trans.size = ahb_size_e'(m_vif.hsize);
+                    trans.hprot = m_vif.hprot;
+                    trans.hwstrb = m_vif.hwstrb;
 
                     for (int i = 0; i < int'(trans.size); i++) begin
                         if (trans.addr[i] !== 1'b0) begin

src/agent/ahb_transaction.svh

@@ -53,6 +53,18 @@ class ahb_transaction#(`_AHB_AGENT_PARAM_DEFS) extends uvm_sequence_item;
     // Set by the agent in AHB_MANAGER_AGENT mode.
     rand ahb_size_e size = WORD_SIZE;
 
+    // Property: wstrb
+    // The write strobe use in this transaction
+    // Set by the sequence in AHB_SUBORDINATE_AGENT mode.
+    // Set by the agent in AHB_MANAGER_AGENT mode.
+    rand logic [DATA_WIDTH/8-1:0] wstrb = '1;
+
+    // Property: hprot
+    // The protection unit support for the tranaction.
+    // Set by the sequence in AHB_SUBORDINATE_AGENT mode.
+    // Set by the agent in AHB_MANAGER_AGENT mode.
+    rand logic [HPROT_WIDTH-1:0] hprot = '0;
+
     // Property: wait_states
     // The number of wait states in the transaction.
     // Set by sequence in AHB_MANAGER_AGENT mode.
@@ -100,6 +112,8 @@ class ahb_transaction#(`_AHB_AGENT_PARAM_DEFS) extends uvm_sequence_item;
             write.rand_mode(0);
             addr.rand_mode(0);
             size.rand_mode(0);
+            hprot.rand_mode(0);
+            wstrb.rand_mode(0);
             return;
         end