Altera Avalon Verification IP Suite Manual do Utilizador descarregar pdf (Página 162)

1–6 Chapter 1: SOPC Builder Tutorial

Verifying Avalon-MM Slave DUT

Avalon Verification IP Suite User Guide May 2011 Altera Corporation

Observing the Results

In this test, the Avalon-MM Master BFM writes five words of random data to the

on-chip memory (DUT). The Avalon-MM Master BFM then reads back the five words

and compares the data read to the expected values. If simulation is successful, the

message shown in Example 1–2 appears.

Figure 1–2 shows the waveform when the Avalon-MM Master BFM writes and reads

to the slave DUT.

Example 1–2. Message in ModelSim Transcript Console when Running Simulation for Avalon-MM

Slave DUT

960000: INFO: master_bfm_tb: Test has completed. 5 pass, 0 fail

Figure 1–2. Master BFM writing to and reading from the Slave DUT

master_bfm_tb.tb.

DUT.the_master_bfm

reset

waitrequest

address[15:0]

write

writedata[31:0]

read

readdata[31:0]

readdatavalid

byteenable[3:0]

master_bfm_tb.tb.

DUT.the_ram

clken

address[9:0]

chipselect

wren

write

writedata[31:0]

readdata[31:0]

byteenable[3:0]

0000 0004 0008 000C 0010 0000 0004 0008 000C 0010

00000004 00000001 00000003 00000005

00000004 00000001 00000003 00000005 00000004 00000001 00000003 00000005

000 001 002 003 004 000 001 002 003 004

00000004

00000001 00000003 00000005

00000004 00000001 00000003 00000005 00000004 00000001 00000003 00000005

clk

1 2 ... 157 158 159 160 161 162 163 164 165 166 167 ... 177 178

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