Altera Mentor Verification IP Altera Edition AMBA AXI4-Li Manuel d'utilisateur télécharger pdf (Page 77)

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101

SystemVerilog Slave BFM

get_write_data_phase()

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

April 2014

get_write_data_phase()

This blocking task gets a write data phase previously created by the create_slave_transaction()

function.

The get_write_data_phase() sets the WREADY protocol signal at the appropriate time defined

by the data_ready_delay field.

Example

// Declare a local variable to hold the transaction record.

axi4_transaction write_trans;

// Create a slave transaction and assign it to the local

// write_trans variable.

write_trans = bfm.create_slave_transaction(0);

....

// Get the write data phase for the write_trans transaction.

bfm.get_write_data_phase(write_trans, 0, last); //Note: array element 0

Prototype

task automatic get_write_data_phase

(

axi4_transaction trans

int index = 0, // Optional

output bit last

);

Arguments

trans The axi4_transaction record.

index (Optional) Data phase (beat) number.

Note: ‘0’ for AXI4-Lite

Returns

last Flag to indicate that this data phase is the last in the burst.

Returns

None

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Altera Mentor Verification IP Altera Edition AMBA AXI4-Li Manuel d'utilisateur Page 77

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