Altera Mentor Verification IP Altera Edition AMBA AXI4-Lite User Manual

Page 378

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Mentor Verification IP AE AXI4-Lite User Guide, V10.3

378

AXI4-Lite Assertions

April 2014

AXI4-
60123

AXI4_READ_ALLOCATE_WHEN_NON_
MODIFIABLE_8

The RA of the cache parameter bit
should not be HIGH when the
Modifiable bit is LOW.

A4.4

AXI4-
60124

AXI4_READ_ALLOCATE_WHEN_NON_
MODIFIABLE_9

The RA of the cache parameter bit
should not be HIGH when the
Modifiable bit is LOW.

A4.4

AXI4-
60125

AXI4_READ_BURST_LENGTH_
VIOLATION

The burst_length implied by the
number of beats actually read does
not match the burst_length defined
by the
master_read_addr_channel_phase.

AXI4-
60126

AXI4_READ_BURST_MAXIMUM_
LENGTH_VIOLATION

256 read data beats were seen
without RLAST.

A3.4.1

AXI4-
60127

AXI4_READ_BURST_SIZE_VIOLATION

In this read transaction, size has
been set too high for the defined
data buswidth.

AXI4-
60128

AXI4_READ_DATA_BEFORE_ADDRESS

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

A3.3.1

AXI4-
60129

AXI4_READ_DATA_CHANGED_
BEFORE_RREADY

The value of RDATA has changed
from its initial value between the time
RVALID was asserted and before
RREADY was asserted.

A3.2.1

AXI4-
60130

AXI4_READ_DATA_UNKN

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

AXI4-
60131

AXI4_READ_EXCLUSIVE_ENCODING_
VIOLATION.

A read-only interface does not
support exclusive accesses.

A10.2.2

AXI4-
60132

AXI4_READ_REORDERING_VIOLATION

The arrival of a read response has
exceeded the read reordering depth.

A5.3.1

AXI4-
60133

AXI4_READ_RESP_CHANGED_
BEFORE_RREADY

The value of RRESP has changed
from its initial value between the time
RVALID was asserted and before
RREADY was asserted.

A3.2.1

AXI4-
60134

AXI4_READ_TRANSFER_EXCEEDS_
ADDRESS_SPACE

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

A10.3.1

AXI4-
60135

AXI4_REGION_SMALLER_THAN_4KB

An address-range in the region map
is smaller than 4kB.

A8.2.1

AXI4-
60136

AXI4_RESERVED_ARBURST_
ENCODING

The reserved encoding of 2'b11
should not be used for ARBURST.

A3.4.1

AXI4-
60137

AXI4_RESERVED_AWBURST_
ENCODING

The reserved encoding of 2'b11
should not be used for AWBURST.

A3.4.1

AXI4-
60138

AXI4_RID_CHANGED_BEFORE_
RREADY

The value of RID has changed from
its initial value between the time
RVALID was asserted and before
RREADY was asserted.

A3.2.1

Table A-1. AXI4 Assertions (cont.)

Error
Code

Error Name

Description

Property
Ref

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