Altera Mentor Verification IP Altera Edition AMBA AXI4-Li Bedienungsanleitung Seite 222

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Mentor Verification IP AE AXI4-Lite User Guide, V10.3
222
VHDL Slave BFM
create_slave_transaction()
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. It returns the transaction_id argument.
Prototype
procedure create_slave_transaction
(
transaction_id : out integer;
bfm_id : in integer;
path_id : in axi4_path_t; --optional
signal tr_if : inout axi4_vhd_if_struct_t
);
Arguments
transaction_id Transaction identifier. Refer toOverloaded Procedure
Common Arguments” on page 151.
bfm_id BFM identifier. Refer to “Overloaded Procedure
Common Arguments” on page 151.
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.
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 Response:
AXI4_OKAY;
AXI4_SLVERR;
AXI4_DECERR;
read_or_write Read or write transaction flag:
AXI_TRANS_READ;
AXI_TRANS_WRITE
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