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code/Vezba 13 - prateci materijal/apb_uvc/sv/apb_transaction.sv

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+/****************************************************************************
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+    |F|u|n|c|t|i|o|n|a|l| |V|e|r|i|f|i|c|a|t|i|o|n| |o|f| |H|a|r|d|w|a|r|e|
+    +-+-+-+-+-+-+-+-+-+-+ +-+-+-+-+-+-+-+-+-+-+-+-+ +-+-+ +-+-+-+-+-+-+-+-+
+
+    FILE            apb_transaction.sv
+
+    DESCRIPTION     sequence item
+
+ ****************************************************************************/
+
+`ifndef APB_TRANSACTION_SV
+`define APB_TRANSACTION_SV
+
+/**
+ * Class: apb_transaction
+ */
+class apb_transaction extends uvm_sequence_item;
+    
+    // fields
+    rand bit [ADDR_WIDTH - 1 : 0]  addr;
+    rand apb_direction_enum        dir;
+    rand bit [RDATA_WIDTH - 1 : 0] rdata;
+    rand bit [WDATA_WIDTH - 1 : 0] wdata;
+    rand int unsigned              delay = 0;
+    bit                            error;
+    
+    // constraints
+    constraint c_delay { delay <= 10 ; }
+    
+    // UVM factory registration
+    `uvm_object_utils_begin(apb_transaction)
+        `uvm_field_int(addr, UVM_DEFAULT)
+        `uvm_field_enum(apb_direction_enum, dir, UVM_DEFAULT)
+        `uvm_field_int(rdata, UVM_DEFAULT)
+        `uvm_field_int(wdata, UVM_DEFAULT)
+        `uvm_field_int(delay, UVM_DEFAULT)
+        `uvm_field_int(error, UVM_DEFAULT)
+    `uvm_object_utils_end
+    
+    // new - constructor
+    function new(string name = "apb_transaction");
+        super.new(name);
+    endfunction : new
+    
+endclass : apb_transaction
+
+`endif