Altera Avalon Verification IP Suite - Manual (Page 137)

10 Avalon-ST Monitor
Subscribe Send Feedback
The Avalon-ST Monitor verifies Avalon-ST interfaces using SystemVerilog assertions. In addition, it provides
test coverage reports. The coverage reports provide the information necessary to determine when your test
vectors provide sufficient test coverage of the DUT.
The Avalon-ST Monitor is implemented in SystemVerilog and uses the SystemVerilog Assertion (SVA)
language. The SVA language is supported by the Synopsys VCS, and Mentor Graphics Questa. If you are
using ModelSim, the monitor component still compiles and simulates, but the assertion checking is disabled.
The following figure shows a testbench that uses an Avalon-ST Monitor to test components with Avalon-
ST interfaces. This figure illustrates that the monitor’s Avalon-ST source interface is connected to the DUT’s
Avalon-ST sink interface. An Avalon-ST sink interface is connected to the DUT’s Avalon-ST source interface.
The test program communicates with the monitor. It uses the monitor’s assertion checking and coverage
groups to assure that all legal parameter values for the DUT’s Avalon-ST interfaces are verified.
Figure 10-1: Testbench Using an Avalon-ST Monitor with Avalon-ST Interfaces
Testbench
Test Program
generator
object
instance
generator
object
instance
generator
object
instance
configu-
ration
transactor
Avalon-ST Monitor
Src Snk Snk
Avalon-ST
Sink BFM
Avalon-ST
Source BFM
Src
Assertion
Checking Test
Coverage
API Methods
Transaction
Collector
initial()
ISO
9001:2008
Registered
© 2014 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, ENPIRION, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words
and logos are trademarks of Altera Corporation and registered in the U.S. Patent and Trademark Office and in other countries. All other
words and logos identified as trademarks or service marks are the property of their respective holders as described at
www.altera.com/common/legal.html . Altera warrants performance of its semiconductor products to current specifications in accordance with
Altera's standard warranty, but reserves the right to make changes to any products and services at any time without notice. Altera assumes
no responsibility or liability arising out of the application or use of any information, product, or service described herein except as expressly
agreed to in writing by Altera. Altera customers are advised to obtain the latest version of device specifications before relying on any published
information and before placing orders for products or services.
www.altera.com
101 Innovation Drive, San Jose, CA 95134