Get_resp(), Example – Altera Mentor Verification IP Altera Edition AMBA AXI4-Lite User Manual

Page 233

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VHDL Slave BFM

get_resp()

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

233

April 2014

get_resp()

This nonblocking procedure gets a response resp field for a transaction uniquely identified by
the transaction_id field previously created by the

create_slave_transaction()

procedure.

Example

-- Create a slave transaction. Creation returns tr_id to identify
-- the transaction.
create_slave_transaction(tr_id, bfm_index, axi4_tr_if_0(bfm_index));

....

-- Get the response field of the data phase (beat)
-- of the tr_id transaction.
get_resp(read_resp, tr_id, bfm_index, axi4_tr_if_0(bfm_index));

Prototype

get_resp
(

resp: out std_logic_vector (AXI4_MAX_BIT_SIZE-1 downto 0) |
integer;
transaction_id : in integer;
bfm_id : in integer;
path_id : in axi4_path_t; --optional
signal tr_if : inout axi4_vhd_if_struct_t

);

Arguments

resp

Transaction response:

AXI4_OKAY = 0;
AXI4_SLVERR = 2;
AXI4_DECERR = 3;

transaction_id

Transaction identifier. Refer to

Overloaded Procedure Common

Arguments

” on page 151 for more details.

bfm_id

BFM identifier. Refer to

Overloaded Procedure Common Arguments

on page 151 for more details.

path_id

(Optional) Parallel process path identifier:

AXI4_PATH_0
AXI4_PATH_1
AXI4_PATH_2
AXI4_PATH_3
AXI4_PATH_4

Refer to

Overloaded Procedure Common Arguments

” on page 151 for

more details.

tr_if

Transaction signal interface. Refer to

Overloaded Procedure Common

Arguments

” on page 151 for more details.

Returns

resp

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