Altera Mentor Verification IP Altera Edition AMBA AXI4-Lite - Manual (Page 71)

SystemVerilog Slave BFM
create_slave_transaction()
Mentor Verification IP AE AXI4-Lite User Guide, V10.3 71
April 2014
create_slave_transaction()
This nonblocking function creates a slave transaction. All transaction fields default to legal
protocol values, unless previously assigned a value. It returns with the axi4_transaction record.
Prototype function automatic axi4_transaction create_write_transaction();
Protocol
Transaction
Fields addr Start address
prot Protection:
AXI4_NORM_SEC_DATA; (default)
AXI4_PRIV_SEC_DATA;
AXI4_NORM_NONSEC_DATA;
AXI4_PRIV_NONSEC_DATA;
AXI4_NORM_SEC_INST;
AXI4_PRIV_SEC_INST;
AXI4_NORM_NONSEC_INST;
AXI4_PRIV_NONSEC_INST;
data_words Data words.
write_strobes Write strobes:
Each strobe 0 or 1.
resp Burst response:
AXI4_OKAY;
AXI4_SLVERR;
AXI4_DECERR;
read_or_write Read or write transaction flag:
AXI4_TRANS_READ;
AXI4_TRANS_WRITE
Operational
Transaction
Fields gen_write_
strobes Correction of write strobes for invalid byte lanes:
0 = write_strobes passed through to protocol signals.
1 = write_strobes auto-corrected for invalid byte lanes (default).
operation_
mode Operation mode:
AXI4_TRANSACTION_NON_BLOCKING;
AXI4_TRANSACTION_BLOCKING; (default)
Operational
Transaction
Fields write_data_
mode Write data mode:
AXI4_DATA_AFTER_ADDRESS; (default)
AXI4_DATA_WITH_ADDRESS;
address_valid_
delay Address channel ARVALID/AWVALID delay measured in ACLK cycles
for this transaction (default = 0).
data_valid_
delay Write data channel WVALID delay array measured in ACLK cycles for
this transaction (default = 0 for all elements).
write_response
_ready_delay Write response channel BREADY delay measured in ACLK cycles for
this transaction (default = 0).
transaction_
done Write transaction done flag for this transaction.
Returns
The axi4_transaction record.