Altera Mentor Verification IP Altera Edition AMBA AXI3/4TM User Manual

Page 711

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Assertions

AXI4 Assertions

Mentor VIP AE AXI3/4 User Guide, V10.2b

691

September 2013

AXI4-
60174

AXI4_WRITE_DATA_BEFORE_
ADDRESS

A write data beat has occurred
before the corresponding address
phase.

AXI4-
60175

AXI4_WRITE_DATA_UNKN_ON_INVALID_
LANE

On a lane whose strobe is 0 WDATA
has an X value/WDATA has a Z
value.

AXI4-
60176

AXI4_WRITE_DATA_UNKN_ON_VALID_LANE

On a lane whose strobe is 1 WDATA
has an X value/WDATA has a Z
value.

AXI4-
60177

AXI4_WRITE_EXCLUSIVE_ENCODING_
VIOLATION

A write-only interface does not
support exclusive accesses.

A10.2.3

AXI4-
60178

AXI4_WRITE_RESPONSE_WITHOUT_
ADDR_DATA

An unexpected write response has
occurred (there are no outstanding
write transactions with this id).

AXI4-
60179

AXI4_WRITE_STROBE_FIXED_BURST_
VIOLATION

Write strobe(s) incorrect for the
address/size of a fixed transfer.

AXI4-
60180

AXI4_WRITE_TRANSFER_EXCEEDS_
ADDRESS_SPACE

This write transfer runs off the edge
of the address space defined by
AXI4_ADDRESS_WIDTH.

A10.3.1

AXI4-
60181

AXI4_WRONG_ARREGION_FOR_SLAVE_
WITH_SINGLE_ADDRESS_
DECODE

The region value should be 4'b0000
for a read from a slave with a single
address decode in the region map.

A8.2.1

AXI4-
60182

AXI4_WRONG_AWREGION_FOR_SLAVE_
WITH_SINGLE_ADDRESS_
DECODE

The region value should be 4'b0000
for a write to a slave with a single
address decode in the region map.

A8.2.1

AXI4-
60183

AXI4_WSTRB_CHANGED_BEFORE_
WREADY

The value of WSTRB has changed
from its initial value between the time
WVALID
was asserted and before
WREADY was asserted.

A3.2.1

AXI4-
60184

AXI4_WSTRB_UNKN

WSTRB has an X value/WSTRB has
a Z value.

AXI4-
60185

AXI4_WUSER_CHANGED_BEFORE_
WREADY

The value of WUSER has changed
from its initial value between the time
WVALID
was asserted and before
WREADY was asserted.

A3.2.1

AXI4-
60186

AXI4_WUSER_UNKN

WUSER has an X value/WUSER has
a Z value.

AXI4-
60187

AXI4_WVALID_DEASSERTED_BEFORE_
WREADY

WVALID has been de-asserted
before WREADY was asserted.

A3.2.1

AXI4-
60188

AXI4_WVALID_HIGH_ON_FIRST_CLOCK

A master interface must begin driving
WVALID high only at a rising clock
edge after ARESETn is HIGH.

A3.1.2

AXI4-
60189

AXI4_WVALID_UNKN

WVALID has an X value/WVALID
has a Z value.

Table A-2. AXI4 Assertions (cont.)

Error
Code

Error Name

Description

Property
Ref

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