Altera Mentor Verification IP Altera Edition AMBA AXI4-Lite - Manual (Page 48)

Mentor Verification IP AE AXI4-Lite User Guide, V10.3 48
SystemVerilog Master BFM
create_read_transaction()
April 2014
create_read_transaction()
This nonblocking function creates a read transaction with a start address addr. All other
transaction fields default to legal AXI4-Lite protocol values, unless previously assigned a value.
It returns the axi4_transaction record.
Example
// Read data to start address 16.
trans = bfm.create_read_transaction(16);
Prototype function automatic axi4_transaction create_read_transaction
(
input bit [((AXI4_ADDRESS_WIDTH) - 1):0] addr
);
Arguments addr Start address
Protocol
Transaction
Fields 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.
resp Burst response:
AXI4_OKAY;
AXI4_EXOKAY;
AXI4_SLVERR;
AXI4_DECERR;
Operational
Transaction
Fields operation_mode Operation mode:
AXI4_TRANSACTION_NON_BLOCKING;
AXI4_TRANSACTION_BLOCKING; (default)
address_valid_delay Address channel ARVALID delay measured in ACLK
cycles for this transaction (default = 0).
data_ready_delay Read data channel RREADY delay array measured in
ACLK cycles for this transaction (default = 0).
transaction_done Read transaction done flag for this transaction.
Returns axi4_transaction The transaction record: