Create_slave_transaction(), Refer to, For default protoc – Altera Mentor Verification IP Altera Edition AMBA AXI4-Stream User Manual

Page 129

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VHDL Slave BFM

create_slave_transaction()

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

129

April 2014

create_slave_transaction()

This nonblocking procedure creates a slave transaction. All transaction fields default to legal
protocol values, unless previously assigned a value. This procedure creates and returns the
transaction_id argument.

Prototype

procedure create_slave_transaction
(

transaction_id : out integer;
bfm_id : in integer;
signal tr_if : inout axi4stream_vhd_if_struct_t

);

Arguments

transaction_id

Transaction identifier. Refer to

Overloaded Procedure

Common Arguments

” on page 87.

bfm_id

BFM identifier. Refer to

Overloaded Procedure Common

Arguments

” on page 87.

tr_if

Transaction signal interface. Refer to

Overloaded Procedure

Common Arguments

” on page 87.

Protocol
Transaction
Fields

data

Data array in bytes

byte_type

Byte type array:

AXI4STREAM_DATA_BYTE; (default)
AXI4S
TREAM_NULL_BYTE;
AXI4STREAM_POS_BYTE;
AXI4STREAM_ILLEGAL_BYTE;

id

Data stream identifier.

dest

Destination routing information.

user_data

User data array.

Operational
Transaction
Fields

operation_
mode

Operation mode:

AXI4STREAM_TRANSACTION_NON_BLOCKING;
AXI4STREAM_TRANSACTION_BLOCKING; (default)

valid_delay

TVALID delay measured in ACLK cycles for this transaction
(default = 0).

ready_delay

TREADY delay measured in ACLK cycles for this transaction
(default = 0).

transfer_done

Transfer done flag array for this transaction

transaction_
done

Transaction done flag for this transaction

Returns

transaction_id

Transaction identifier. Refer to

Overloaded Procedure

Common Arguments

” on page 87.

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