Altera Mentor Verification IP Altera Edition AMBA AXI3/4T Manual do Utilizador descarregar pdf (Página 265)

100

101

VHDL AXI3 and AXI4 Master BFMs

get_id()

Mentor VIP AE AXI3/4 User Guide, V10.2b

247

September 2013

get_id()

This nonblocking procedure gets the id field for a transaction, which uniquely identifies the

transaction defined by the transaction_id field and previously created by either the

create_write_transaction() or create_read_transaction() procedure.

AXI3 Example

-- Create a read transaction with start address of 1.

-- Creation returns tr_id to identify the transaction.

create_read_transaction(1, tr_id, bfm_index, axi_tr_if_0(bfm_index));

....

-- Get the id field of the tr_id transaction.

get_id(id, tr_id, bfm_index, axi_tr_if_0(bfm_index));

Prototype

-- * = axi| axi4

-- ** = AXI | AXI4

get_id

(

id: out integer;

transaction_id : in std_logic_vector(**_MAX_BIT_SIZE-1 downto

0) | integer;

bfm_id : in integer;

path_id : in *_path_t; --optional

signal tr_if : inout *_vhd_if_struct_t

);

Arguments id Burst ID

transaction_id Transaction identifier. Refer to “Overloaded Procedure Common

Arguments” on page 203 for more details.

bfm_id BFM identifier. Refer to “Overloaded Procedure Common Arguments”

on page 203 for more details.

path_id (Optional) Parallel process path identifier:

**_PATH_0

**_PATH_1

**_PATH_2

**_PATH_3

**_PATH_4

Refer to “Overloaded Procedure Common Arguments” on page 203 for

more details.

tr_if Transaction signal interface. Refer to “Overloaded Procedure Common

Arguments” on page 203 for more details.

Returns

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