Create_write_transaction(), Tasks, which creates a transaction – Altera Mentor Verification IP Altera Edition AMBA AXI4-Lite User Manual
Page 159
VHDL Master BFM
create_write_transaction()
Mentor Verification IP AE AXI4-Lite User Guide, V10.3
159
April 2014
create_write_transaction()
This nonblocking procedure creates a write transaction with a start address addr argument. All
other transaction fields default to legal protocol values, unless previously assigned a value. It
returns with the transaction_id argument.
Prototype
procedure create_write_transaction
(
addr : in std_logic_vector(AXI4_MAX_BIT_SIZE-1
downto 0)|integer;
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
addr
Start address
transaction_id
Transaction identifier. Refer to “
” on page 151 for more details.
bfm_id
BFM identifier. Refer to “
” 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
page 151 for more details.
tr_if
Transaction signal interface. Refer to “
” on page 151 for more details.
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.
write_strobes
Write strobes:
Each strobe 0 or 1.
resp
Response:
AXI4_OKAY;
AXI4_SLVERR;
AXI4_DECERR;
Operational
Transaction
Fields
gen_write_strobes
Correction of write strobes for invalid byte lanes:
0 = write_strobes passed through to protocol signals.
1 = write_strobes auto-corrected for invalid byte lanes
(default).