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1. else if(testname == "pio_writeReadBack_test1" 2. begin 3. // This test performs a 32 bit write to a 32 bit Memory space and performs a read back 4. TSK_SIMULATION_TIMEOUT(10050); 5. TSK_SYSTEM_INITIALIZATION; 6. TSK_BAR_INIT; 7. for (ii = 0; ii <= 6; ii = ii + 1) begin 8. if (BAR_INIT_P_BAR_ENABLED[ii] > 2'b00) // bar is enabled 9. case(BAR_INIT_P_BAR_ENABLED[ii]) 10. 2'b01 : // IO SPACE 11. begin 12. $display("[%t] : NOTHING: to IO 32 Space BAR %x", $realtime, ii); 13. end 14. 2'b10 : // MEM 32 SPACE 15. begin 16. $display("[%t] : Transmitting TLPs to Memory 32 Space BAR %x", 17. $realtime, ii); 18. //------------------------------------------------------------------------ 19. // Event : Memory Write 32 bit TLP 20. //------------------------------------------------------------------------ 21. DATA_STORE[0] = 8'h04; 22. DATA_STORE[1] = 8'h03; 23. DATA_STORE[2] = 8'h02; 24. DATA_STORE[3] = 8'h01; 25. P_READ_DATA = 32'hffff_ffff; // make sure P_READ_DATA has known initial value 26. TSK_TX_MEMORY_WRITE_32(DEFAULT_TAG, DEFAULT_TC, 10'd1, BAR_INIT_P_BAR[ii][31:0] , 4'hF, 4'hF, 1'b0); 27. TSK_TX_CLK_EAT(10); 28. DEFAULT_TAG = DEFAULT_TAG + 1; 29. //------------------------------------------------------------------------ 30. // Event : Memory Read 32 bit TLP 31. //------------------------------------------------------------------------ 32. TSK_TX_MEMORY_READ_32(DEFAULT_TAG, DEFAULT_TC, 10'd1, BAR_INIT_P_BAR[ii][31:0], 4'hF, 4'hF); 33. TSK_WAIT_FOR_READ_DATA; 34. if (P_READ_DATA != {DATA_STORE[3], DATA_STORE[2], DATA_STORE[1], DATA_STORE[0] }) 35. begin 36. $display("[%t] : Test FAILED --- Data Error Mismatch, Write Data %x != Read Data %x", $realtime,{DATA_STORE[3], DATA_STORE[2], DATA_STORE[1], DATA_STORE[0]}, P_READ_DATA); 37. end 38. else 39. begin 40. $display("[%t] : Test PASSED --- Write Data: %x successfully received", $realtime, P_READ_DATA); 41. end
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