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Mentor Verification IP AE AMBA AXI4-Stream User Guide, V10.3
38
SystemVerilog Master BFM
create_master_transaction()
April 2014
create_master_transaction()
This nonblocking function creates a master transaction with an optional burst_length argument.
All other transaction fields default to legal protocol values, unless previously assigned a value.
It returns with the axi4stream_transaction record.
Example
// Create a master transaction with a data burst length of 3.
trans = bfm.create_write_transaction(3);
trans.set_data[0] = 'hACE0ACE1;
trans.set_data[1] = 'hACE2ACE3;
trans.set_data[2] = 'hACE4ACE5;
Prototype
function automatic axi4stream_transaction
create_master_transaction
(
input int burst_length = 1 // optional
);
Arguments
burst_length (Optional) Number of transfers within a packet. Default: 1.
Protocol
Transaction
Fields
data Data array in bytes.
byte_type Byte type array:
AXI4STREAM_DATA_BYTE; (default)
AXI4STREAM_NULL_BYTE;
AXI4STREAM_POS_BYTE;
AXI4STREAM_ILLEGAL_BYTE;
id Data stream identifier.
dest Destination routing information.
user_data User data array.
Operational
Transaction
Fields
operation_
mode
Operation mode:
AXI4STREAM_TRANSACTION_NON_BLOCKING;
AXI4STREAM_TRANSACTION_BLOCKING; (default)
valid_delay TVALID delay measured in ACLK cycles for this transaction.
(default = 0).
ready_delay TREADY delay measured in ACLK cycles for this transaction.
(default = 0).
transfer_done Transfer done flag array for this transaction
transaction_
done
Transaction done flag for this transaction
Returns
trans The axi4stream_transaction record.
- AMBA AXI4-Stream User Guide 1
- Table of Contents 3
- List of Examples 10
- List of Figures 11
- List of Tables 12
- About This User Guide 13
- Supported Simulators 13
- Simulator GCC Requirements 14
- Chapter 1 17
- Mentor VIP Altera Edition 17
- What Is a Transaction? 18
- AXI4-Stream Transactions 19
- Chapter 2 21
- SystemVerilog API Overview 21
- Configuration 22
- Creating Transactions 22
- Transaction Record 23
- Executing Transactions 26
- Waiting Events 27
- Access Transaction Record 27
- Operation Mode 28
- Handshake Delay 29
- Transfer Done 30
- Transaction Done 30
- Chapter 3 31
- SystemVerilog Master BFM 31
- Master BFM Configuration 32
- Master Assertions 34
- SystemVerilog Master API 35
- Returns 36
- Arguments config_name 37
- Chapter 4 43
- SystemVerilog Slave BFM 43
- SystemVerilog Slave API 47
- Chapter 5 55
- SystemVerilog Monitor BFM 55
- SystemVerilog Monitor API 59
- Chapter 6 67
- SystemVerilog Tutorials 67
- Chapter 7 75
- VHDL API Overview 75
- Test Program VHDL 76
- Chapter 8 87
- VHDL Master BFM API 91
- April 2014 100
- Prototype 118
- Arguments 118
- VHDL Master BFM 122
- VHDL Slave BFM 123
- Chapter 9 123
- Slave BFM Configuration 124
- Slave Assertions 125
- VHDL Slave BFM API 126
- Chapter 10 157
- VHDL Monitor BFM 157
- Monitor BFM Configuration 158
- Monitor Assertions 159
- VHDL Monitor BFM API 161
- Chapter 11 181
- VHDL Tutorials 181
- Master BFM Test Program 182
- Verifying a Master DUT 185
- Chapter 12 189
- Running the Qsys Tool 193
- Running a Simulation 195
- ModelSim Simulation 196
- Editing the modelsim.ini File 199
- Questa Simulation 200
- Cadence IES Simulation 200
- Synopsys VCS Simulation 202
- Chapter 13 205
- Assertions 205
- Appendix A 209
- Programs 209
- Appendix B 213
- VHDL Slave BFM Code Example 216
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