Altera Avalon Verification IP Suite - Manual (Page 192)

Parameters
Table 15-1: Custom Instruction Slave BFM Parameter Settings
Description Legal Values Default
Value
Option
General
Specifies the number of operands to use.
• 0: no operands are used.
• 1: use
dataa
port only.
• 2: use dataa and datab ports.
0,1,2 2 Number of Operands
to Use
Specifies the fixed length for multi-cycle mode. N/A 2 Fixed Length for Multi-
cycle Mode
Port Enables
When On, the interface includes a
result
pin. On/Off On Use Result Port
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.
On/Off Off Use Multi-cycle Mode
When On, the interface includes a start pin. On/Off On/ Using start port
When On, the interface includes a
done
pin. On/Off On/ Using done port
When On, the interface includes a
n
pin. On/Off Off Use Extended Port
Specifies the width of the extended n port. N/A 1 Extended Port Width
When On, the interface includes the
readra
and
a
pins. On/Off Off Use Internal Register a
When On, the interface includes the
readrb
and
b
pins. On/Off Off Use Internal Register b
When On, the interface includes the
readrc
and
c
pins. On/Off Off Use Internal Register c
Miscellaneous Properties
For VHDL BFMs only. Use this option to assign a
unique number to each BFM in the testbench design. 0–1023 0 VHDL BFM ID
Nios II Custom Instruction Slave BFM Altera Corporation
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Parameters 15-2