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1–2 Chapter 1: Nios II Custom Instruction Master BFM
Parameters
Avalon Verification IP Suite User Guide May 2011 Altera Corporation
The Nios II Custom Instruction Master BFM uses queues to manage instructions. You
can create instructions and push them into the instruction queue. The BFM then
removes the instructions out one-by-one and drives them on the interface. You can
insert the instructions simultaneously at the beginning of the simulation. If there is no
instruction to execute, the BFM drives unknown (X), except on the
readra
,
readrb
,
and
writerc
control ports which are driven high.
The result is sampled based on the driven instruction and inserted into a result queue.
You can remove the result on an event basis, or at the end of the simulation.
Parameters
Table 1–1 lists the parameter settings for the custom instruction master BFM interface.
Table 1–1. Custom Instruction Master BFM Parameter Settings
Option
Default
Value
Legal
Values
Description
General
Number of Operands to Use 2 0,1,2
Specifies the number of operands to use.
0: no operands are used
1: use dataa port only
2: use dataa and datab ports
Fixed Length for Multi-cycle
Mode
2 — Specifies the fixed length for multi-cycle mode.
Port Enables
Use Result PortOnOn/OffWhen On, the interface includes a
result
pin.
Use Multi-cycle Mode Off On/Off
When On, the interface can include a
start
pin, a
done
pin ,
both pins, or neither pins. The result returns in any of the
following conditions:
■ With a
start
signal—Result returns together with an
instruction.
■ Without a
start
signal—Result returns with instruction on
the bus at every clock cycle.
■ With a
done
signal—Result returns at any time.
■ Without a
done
signal—Result returns at a fixed cycle.
Using start portOnOn/OffWhen On, the interface includes a
start
pin.
Using done portOnOn/OffWhen On, the interface includes a
done
pin.
Use Extended Port Off On/Off When On, the interface includes a
n
pin.
Extended Port Width 1 — Specifies the width of the extended
n
port.
Use Internal Register a Off On/Off When On, the interface includes the
readra
and
a
pins.
Use Internal Register b Off On/Off When On, the interface includes the
readrb
and
b
pins.
Use Internal Register c Off On/Off When On, the interface includes the
readrc
and
c
pins.
- User Guide 1
- Avalon Verification IP Suite 1
- Contents 3
- 2 Contents 4
- Chapter 5. Avalon-MM Monitor 5
- 4 Contents 6
- Section IV. Avalon-ST BFMs 7
- Chapter 3. Avalon-ST Sink BFM 8
- Chapter 5. Avalon-ST Monitor 9
- Chapter 1. Conduit BFM 10
- Contents 9 11
- Section VII. Tutorials 12
- Additional Information 13
- Verification IP Suite 14
- Application Example of BFMs 15
- In This User Guide 16
- Chapter 1, Clock Source BFM 17
- Chapter 2, Reset Source BFM 17
- 1. Clock Source BFM 18
- 2. Reset Source BFM 20
- Interrupt Sink BFMs 21
- Section III. Avalon-MM BFMs 23
- 1. Avalon-MM Master BFM 24
- Avalon-MM 29
- Master BFM 29
- Note to Table 1–3: 31
- <rolename> commands 35
- 2. Avalon-MM Master BFM with 42
- Avalon-ST API Wrapper 42
- 3. Avalon-MM Slave BFM 44
- Test Program 50
- Slave BFM 50
- Note to Table 3–3: 52
- API Wrapper 62
- 5. Avalon-MM Monitor 64
- 1. Avalon-ST Source BFM 90
- Note to Table 1–2: 93
- 3. Avalon-ST Sink BFM 101
- Functional Description 102
- Block Diagram 103
- Note to Table 3–2: 104
- Application Program Interface 105
- Avalon-ST Sink BFM Translator 108
- 5. Avalon-ST Monitor 110
- Parameters 111
- DISABLE_ALTERA_AVALON_SIM_SVA 112
- Coverage Group 114
- Transaction Monitoring 119
- Chapter 1, Conduit BFM 123
- 1. Conduit BFM 124
- 2. Tri-State Conduit BFM 127
- 3. External Memory BFM 133
- Reading from the Memory 134
- 1. SOPC Builder Tutorial 157
- Verifying Avalon-MM Slave DUT 158
- Setting up the Test 159
- Running the Simulation 161
- Observing the Results 162
- Setting Up the Test 163
- 2. Qsys Tutorial 168
- Chapter 2: Qsys Tutorial 2–3 170
- Verifying Avalon-ST DUT 170
- 2–4 Chapter 2: Qsys Tutorial 171
- Chapter 2: Qsys Tutorial 2–7 174
- Example 2–2. Response Latency 175
- Chapter 2: Qsys Tutorial 2–9 176
- Note to Table: 177
- Typographic Conventions 178
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