| 1 |
2 |
acastong |
//csr_l2_tb.cpp
|
| 2 |
|
|
|
| 3 |
|
|
/* ***** BEGIN LICENSE BLOCK *****
|
| 4 |
|
|
* Version: MPL 1.1
|
| 5 |
|
|
*
|
| 6 |
|
|
* The contents of this file are subject to the Mozilla Public License Version
|
| 7 |
|
|
* 1.1 (the "License"); you may not use this file except in compliance with
|
| 8 |
|
|
* the License. You may obtain a copy of the License at
|
| 9 |
|
|
* http://www.mozilla.org/MPL/
|
| 10 |
|
|
*
|
| 11 |
|
|
* Software distributed under the License is distributed on an "AS IS" basis,
|
| 12 |
|
|
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
|
| 13 |
|
|
* for the specific language governing rights and limitations under the
|
| 14 |
|
|
* License.
|
| 15 |
|
|
*
|
| 16 |
|
|
* The Original Code is HyperTransport Tunnel IP Core.
|
| 17 |
|
|
*
|
| 18 |
|
|
* The Initial Developer of the Original Code is
|
| 19 |
|
|
* Ecole Polytechnique de Montreal.
|
| 20 |
|
|
* Portions created by the Initial Developer are Copyright (C) 2005
|
| 21 |
|
|
* the Initial Developer. All Rights Reserved.
|
| 22 |
|
|
*
|
| 23 |
|
|
* Contributor(s):
|
| 24 |
|
|
* Ami Castonguay <acastong@grm.polymtl.ca>
|
| 25 |
|
|
*
|
| 26 |
|
|
* Alternatively, the contents of this file may be used under the terms
|
| 27 |
|
|
* of the Polytechnique HyperTransport Tunnel IP Core Source Code License
|
| 28 |
|
|
* (the "PHTICSCL License", see the file PHTICSCL.txt), in which case the
|
| 29 |
|
|
* provisions of PHTICSCL License are applicable instead of those
|
| 30 |
|
|
* above. If you wish to allow use of your version of this file only
|
| 31 |
|
|
* under the terms of the PHTICSCL License and not to allow others to use
|
| 32 |
|
|
* your version of this file under the MPL, indicate your decision by
|
| 33 |
|
|
* deleting the provisions above and replace them with the notice and
|
| 34 |
|
|
* other provisions required by the PHTICSCL License. If you do not delete
|
| 35 |
|
|
* the provisions above, a recipient may use your version of this file
|
| 36 |
|
|
* under either the MPL or the PHTICSCL License."
|
| 37 |
|
|
*
|
| 38 |
|
|
* ***** END LICENSE BLOCK ***** */
|
| 39 |
|
|
|
| 40 |
|
|
#include "csr_l2_tb.h"
|
| 41 |
|
|
#include <cstdlib>
|
| 42 |
|
|
|
| 43 |
|
|
using namespace std;
|
| 44 |
|
|
|
| 45 |
|
|
csr_l2_tb::csr_l2_tb(sc_module_name name) : sc_module(name){
|
| 46 |
|
|
SC_THREAD(send_packets_csr);
|
| 47 |
|
|
sensitive_pos(clk);
|
| 48 |
|
|
SC_THREAD(verify_csr_response);
|
| 49 |
|
|
sensitive_pos(clk);
|
| 50 |
|
|
SC_THREAD(simulate_databuffer);
|
| 51 |
|
|
sensitive_pos(clk);
|
| 52 |
|
|
SC_THREAD(flow_control_read_signals);
|
| 53 |
|
|
sensitive_pos(clk);
|
| 54 |
|
|
sensitive << csr_available_fc0 << csr_available_fc1;
|
| 55 |
|
|
|
| 56 |
|
|
SC_THREAD(grant_access_databuffer);
|
| 57 |
|
|
sensitive_pos(clk);
|
| 58 |
|
|
sensitive << csr_request_databuffer0_access_ui << csr_request_databuffer1_access_ui;
|
| 59 |
|
|
|
| 60 |
|
|
generate_csr_requests_and_responses();
|
| 61 |
|
|
srand(4623);
|
| 62 |
|
|
}
|
| 63 |
|
|
|
| 64 |
|
|
void csr_l2_tb::send_packets_csr(){
|
| 65 |
|
|
//Initialize startup values
|
| 66 |
|
|
ro0_available_csr = false;
|
| 67 |
|
|
data_sent0 = 0;
|
| 68 |
|
|
ro0_packet_csr = to_send0.front().pkt_cplt;
|
| 69 |
|
|
|
| 70 |
|
|
ro1_available_csr = false;
|
| 71 |
|
|
ro1_packet_csr = to_send1.front().pkt_cplt;
|
| 72 |
|
|
data_sent1 = 0;
|
| 73 |
|
|
|
| 74 |
|
|
syn_ControlPacketComplete default_syn_pkt;
|
| 75 |
|
|
initialize_syn_ControlPacketComplete(default_syn_pkt);
|
| 76 |
|
|
|
| 77 |
|
|
//Start with a reset
|
| 78 |
|
|
resetx = false;
|
| 79 |
|
|
for(int n = 0; n <5; n++){
|
| 80 |
|
|
wait();
|
| 81 |
|
|
}
|
| 82 |
|
|
resetx = true;
|
| 83 |
|
|
|
| 84 |
|
|
while(true){
|
| 85 |
|
|
wait();
|
| 86 |
|
|
/**
|
| 87 |
|
|
At first, send packets from to_send0 and to_send1. When the two
|
| 88 |
|
|
queues are empty, send packets to both sides from to_send. Having
|
| 89 |
|
|
to_send0 and to_send1 makes sure that the CSR can truly receive from
|
| 90 |
|
|
the two sides. Then, having the same packet sent to both sides eases
|
| 91 |
|
|
testing.
|
| 92 |
|
|
*/
|
| 93 |
|
|
if(!(to_send0.empty() && to_send1.empty())){
|
| 94 |
|
|
ro0_available_csr = ((rand() % 10 < 4)
|
| 95 |
|
|
|| (ro0_available_csr.read() && !csr_ack_ro0.read())) && !to_send0.empty() ;
|
| 96 |
|
|
ro1_available_csr = ((rand() % 10 < 4)
|
| 97 |
|
|
|| (ro1_available_csr.read() && !csr_ack_ro1.read())) && !to_send1.empty() ;
|
| 98 |
|
|
}
|
| 99 |
|
|
else{
|
| 100 |
|
|
ro0_available_csr = ((rand() % 10 < 4) ||
|
| 101 |
|
|
(ro0_available_csr.read() && (!csr_ack_ro0.read() || !csr_ack_ro1.read()) ))&&
|
| 102 |
|
|
!to_send.empty();
|
| 103 |
|
|
ro1_available_csr = ((rand() % 10 < 4) ||
|
| 104 |
|
|
(ro1_available_csr.read() && (!csr_ack_ro0.read() || !csr_ack_ro1.read()) ))&&
|
| 105 |
|
|
!to_send.empty();
|
| 106 |
|
|
}
|
| 107 |
|
|
|
| 108 |
|
|
if(!to_send0.empty()){
|
| 109 |
|
|
ro0_packet_csr = to_send0.front().pkt_cplt;
|
| 110 |
|
|
}
|
| 111 |
|
|
else if(!to_send.empty()){
|
| 112 |
|
|
ro0_packet_csr = to_send.front().pkt_cplt;
|
| 113 |
|
|
}
|
| 114 |
|
|
else
|
| 115 |
|
|
ro0_packet_csr = default_syn_pkt;
|
| 116 |
|
|
|
| 117 |
|
|
if(!to_send1.empty()){
|
| 118 |
|
|
ro1_packet_csr = (syn_ControlPacketComplete)to_send1.front().pkt_cplt;
|
| 119 |
|
|
}
|
| 120 |
|
|
else if(!to_send.empty()){
|
| 121 |
|
|
ro1_packet_csr = (syn_ControlPacketComplete)to_send.front().pkt_cplt;
|
| 122 |
|
|
}
|
| 123 |
|
|
else
|
| 124 |
|
|
ro1_packet_csr = default_syn_pkt;
|
| 125 |
|
|
|
| 126 |
|
|
//When sent packet is acked
|
| 127 |
|
|
if(csr_ack_ro0.read()){
|
| 128 |
|
|
//Packet left from side 0
|
| 129 |
|
|
side_pkt_sent = 0;
|
| 130 |
|
|
//Check that if the previous packet had data associated, that it was all sent
|
| 131 |
|
|
if(data_size0 != 0)
|
| 132 |
|
|
cout << "ERROR:Not all data sent side 0"<< endl;
|
| 133 |
|
|
//Reset the data sent counter
|
| 134 |
|
|
data_sent0 = 0;
|
| 135 |
|
|
|
| 136 |
|
|
/**
|
| 137 |
|
|
Set the variables necessary to simulate the databuffer to send the data
|
| 138 |
|
|
associated with the packet sent.
|
| 139 |
|
|
|
| 140 |
|
|
Once the data is extracted, pop the packet from it's queue.
|
| 141 |
|
|
*/
|
| 142 |
|
|
if(!to_send0.empty()){
|
| 143 |
|
|
if(to_send0.front().pkt_cplt.packet->hasDataAssociated())
|
| 144 |
|
|
data_size0 = to_send0.front().pkt_cplt.packet->getDataLengthm1()+1;
|
| 145 |
|
|
data_address0 = to_send0.front().pkt_cplt.data_address;
|
| 146 |
|
|
data_vc0 = to_send0.front().pkt_cplt.packet->getVirtualChannel();
|
| 147 |
|
|
for(int n = 0; n < 16;n++){
|
| 148 |
|
|
data0[n] = to_send0.front().data[n];
|
| 149 |
|
|
}
|
| 150 |
|
|
to_send0.pop_front();
|
| 151 |
|
|
}
|
| 152 |
|
|
else if(!to_send.empty()){
|
| 153 |
|
|
if(to_send.front().pkt_cplt.packet->hasDataAssociated())
|
| 154 |
|
|
data_size0 = to_send.front().pkt_cplt.packet->getDataLengthm1()+1;
|
| 155 |
|
|
data_address0 = to_send.front().pkt_cplt.data_address;
|
| 156 |
|
|
data_vc0 = to_send.front().pkt_cplt.packet->getVirtualChannel();
|
| 157 |
|
|
for(int n = 0; n < 16;n++){
|
| 158 |
|
|
data0[n] = to_send.front().data[n];
|
| 159 |
|
|
}
|
| 160 |
|
|
to_send.pop_front();
|
| 161 |
|
|
}
|
| 162 |
|
|
else cout << "ERROR : Side0 read and no packet to send" << endl;
|
| 163 |
|
|
}
|
| 164 |
|
|
|
| 165 |
|
|
//When sent packet is acked
|
| 166 |
|
|
if(csr_ack_ro1.read()){
|
| 167 |
|
|
//Packet left from side 1
|
| 168 |
|
|
side_pkt_sent = 1;
|
| 169 |
|
|
//Check that if the previous packet had data associated, that it was all sent
|
| 170 |
|
|
if(data_size1 != 0)
|
| 171 |
|
|
cout << "ERROR:Not all data sent side 1" << endl;
|
| 172 |
|
|
//Reset the data sent counter
|
| 173 |
|
|
data_sent1 = 0;
|
| 174 |
|
|
|
| 175 |
|
|
/**
|
| 176 |
|
|
Set the variables necessary to simulate the databuffer to send the data
|
| 177 |
|
|
associated with the packet sent.
|
| 178 |
|
|
|
| 179 |
|
|
Once the data is extracted, pop the packet from it's queue.
|
| 180 |
|
|
*/
|
| 181 |
|
|
if(!to_send1.empty()){
|
| 182 |
|
|
if(to_send1.front().pkt_cplt.packet->hasDataAssociated())
|
| 183 |
|
|
data_size1 = to_send1.front().pkt_cplt.packet->getDataLengthm1()+1;
|
| 184 |
|
|
data_address1 = to_send1.front().pkt_cplt.data_address;
|
| 185 |
|
|
data_vc1 = to_send1.front().pkt_cplt.packet->getVirtualChannel();
|
| 186 |
|
|
for(int n = 0; n < 16;n++){
|
| 187 |
|
|
data1[n] = to_send1.front().data[n];
|
| 188 |
|
|
}
|
| 189 |
|
|
to_send1.pop_front();
|
| 190 |
|
|
}
|
| 191 |
|
|
else if(!to_send.empty()){
|
| 192 |
|
|
if(to_send.front().pkt_cplt.packet->hasDataAssociated())
|
| 193 |
|
|
data_size1 = to_send.front().pkt_cplt.packet->getDataLengthm1()+1;
|
| 194 |
|
|
data_address1 = to_send.front().pkt_cplt.data_address;
|
| 195 |
|
|
data_vc1 = to_send.front().pkt_cplt.packet->getVirtualChannel();
|
| 196 |
|
|
for(int n = 0; n < 16;n++){
|
| 197 |
|
|
data1[n] = to_send.front().data[n];
|
| 198 |
|
|
}
|
| 199 |
|
|
to_send.pop_front();
|
| 200 |
|
|
}
|
| 201 |
|
|
else cout << "ERROR : Side1 read and no packet to send" << endl;
|
| 202 |
|
|
}
|
| 203 |
|
|
}
|
| 204 |
|
|
}
|
| 205 |
|
|
|
| 206 |
|
|
void csr_l2_tb::verify_csr_response(){
|
| 207 |
|
|
//No response dwords received yet
|
| 208 |
|
|
received0 = 0;
|
| 209 |
|
|
received1 = 0;
|
| 210 |
|
|
|
| 211 |
|
|
while(true){
|
| 212 |
|
|
wait();
|
| 213 |
|
|
|
| 214 |
|
|
//If response available for side 0
|
| 215 |
|
|
if(csr_available_fc0.read()){
|
| 216 |
|
|
//Check if it's from wrong side side
|
| 217 |
|
|
/** This can happen when sending data : in the case csr_ack_ro0 is zero and side_pkt_sent is 1
|
| 218 |
|
|
Or when receiving a new command packet from side 1*/
|
| 219 |
|
|
if(!csr_ack_ro0.read() && side_pkt_sent != 0 || csr_ack_ro1.read())
|
| 220 |
|
|
cout << "ERROR : Response not received on expected side : " << side_pkt_sent << endl;
|
| 221 |
|
|
//If data is consumed from flow control and we still have expected data from side 0
|
| 222 |
|
|
else if(!to_receive0.empty() && fc0_ack_csr.read()){
|
| 223 |
|
|
//Check that it is the right dword
|
| 224 |
|
|
if(to_receive0.front().dwords[received0] != sc_uint<32>(csr_dword_fc0.read())){
|
| 225 |
|
|
cout << "ERROR in dword received from CSR (side 0)" << endl;
|
| 226 |
|
|
cout << " received0: " << received0 << endl;
|
| 227 |
|
|
cout << " Expected " << sc_uint<32>(to_receive0.front().dwords[received0]).to_string(SC_HEX)
|
| 228 |
|
|
<< " Received " << csr_dword_fc0.read().to_string(SC_HEX) << endl;
|
| 229 |
|
|
}
|
| 230 |
|
|
|
| 231 |
|
|
//increment the number of dwords received
|
| 232 |
|
|
received0++;
|
| 233 |
|
|
//Remove the entry from the queue if the entry is finished
|
| 234 |
|
|
if(received0 == to_receive0.front().size_with_data){
|
| 235 |
|
|
received0 = 0;
|
| 236 |
|
|
to_receive0.pop_front();
|
| 237 |
|
|
}
|
| 238 |
|
|
}
|
| 239 |
|
|
//When all data from side0 has been receive, we then check if there is data that
|
| 240 |
|
|
//had any side as a destination
|
| 241 |
|
|
else if(!to_receive.empty() && fc0_ack_csr.read()){
|
| 242 |
|
|
//Check if it is the correct dword
|
| 243 |
|
|
if(to_receive.front().dwords[received0] != sc_uint<32>(csr_dword_fc0.read())){
|
| 244 |
|
|
cout << "ERROR in dword received from CSR (side 0)" << endl;
|
| 245 |
|
|
cout << " received0: " << received0 << endl;
|
| 246 |
|
|
cout << " Expected " << sc_uint<32>(to_receive.front().dwords[received0]).to_string(SC_HEX)
|
| 247 |
|
|
<< " Received " << csr_dword_fc0.read().to_string(SC_HEX) << endl;
|
| 248 |
|
|
}
|
| 249 |
|
|
|
| 250 |
|
|
//increment the number of dwords received
|
| 251 |
|
|
received0++;
|
| 252 |
|
|
//Remove the entry from the queue if the entry is finished
|
| 253 |
|
|
if(received0 == to_receive.front().size_with_data){
|
| 254 |
|
|
received0 = 0;
|
| 255 |
|
|
to_receive.pop_front();
|
| 256 |
|
|
}
|
| 257 |
|
|
}
|
| 258 |
|
|
//If no respionse expected and some received, display ERROR
|
| 259 |
|
|
else if(fc0_ack_csr.read())
|
| 260 |
|
|
cout << "CSR Response (side 0) not expected!" << endl;
|
| 261 |
|
|
}
|
| 262 |
|
|
|
| 263 |
|
|
//If response available for side 1
|
| 264 |
|
|
if(csr_available_fc1.read()){
|
| 265 |
|
|
//Check if it's from wrong side side
|
| 266 |
|
|
/** This can happen when sending data : in the case csr_ack_ro0 is zero and side_pkt_sent is 1
|
| 267 |
|
|
Or when receiving a new command packet from side 1*/
|
| 268 |
|
|
if(!csr_ack_ro1.read() && side_pkt_sent != 1 || csr_ack_ro0.read())
|
| 269 |
|
|
cout << "ERROR : Response not received on expected side : " << side_pkt_sent << endl;
|
| 270 |
|
|
//If data is consumed from flow control and we still have expected data from side 0
|
| 271 |
|
|
else if(!to_receive1.empty() && fc1_ack_csr.read()){
|
| 272 |
|
|
//Check that it is the right dword
|
| 273 |
|
|
if(to_receive1.front().dwords[received1] != sc_uint<32>(csr_dword_fc1.read())){
|
| 274 |
|
|
cout << "ERROR in dword received from CSR (side 1)" << endl;
|
| 275 |
|
|
cout << " received1: " << received1 << endl;
|
| 276 |
|
|
cout << " Expected " << sc_uint<32>(to_receive1.front().dwords[received1]).to_string(SC_HEX)
|
| 277 |
|
|
<< " Received " << csr_dword_fc1.read().to_string(SC_HEX) << endl;
|
| 278 |
|
|
}
|
| 279 |
|
|
//increment the number of dwords received
|
| 280 |
|
|
received1++;
|
| 281 |
|
|
//Remove the entry from the queue if the entry is finished
|
| 282 |
|
|
if(received1 == to_receive1.front().size_with_data){
|
| 283 |
|
|
received0 = 0;
|
| 284 |
|
|
to_receive1.pop_front();
|
| 285 |
|
|
}
|
| 286 |
|
|
}
|
| 287 |
|
|
//When all data from side0 has been receive, we then check if there is data that
|
| 288 |
|
|
//had any side as a destination
|
| 289 |
|
|
else if(!to_receive.empty() && fc1_ack_csr.read()){
|
| 290 |
|
|
//Check if it is the correct dword
|
| 291 |
|
|
if(to_receive.front().dwords[received1] != sc_uint<32>(csr_dword_fc1.read()))
|
| 292 |
|
|
cout << "ERROR in dword received from CSR (side 1)" << endl;
|
| 293 |
|
|
|
| 294 |
|
|
//increment the number of dwords received
|
| 295 |
|
|
received1++;
|
| 296 |
|
|
//Remove the entry from the queue if the entry is finished
|
| 297 |
|
|
if(received1 == to_receive.front().size_with_data){
|
| 298 |
|
|
received1 = 0;
|
| 299 |
|
|
to_receive.pop_front();
|
| 300 |
|
|
}
|
| 301 |
|
|
}
|
| 302 |
|
|
//If no respionse expected and some received, display ERROR
|
| 303 |
|
|
else if(fc1_ack_csr.read())
|
| 304 |
|
|
cout << "CSR Response (side 1) not expected!" << endl;
|
| 305 |
|
|
}
|
| 306 |
|
|
}
|
| 307 |
|
|
|
| 308 |
|
|
}
|
| 309 |
|
|
|
| 310 |
|
|
void csr_l2_tb::simulate_databuffer(){
|
| 311 |
|
|
data_sent0 = 0;
|
| 312 |
|
|
data_sent1 = 0;
|
| 313 |
|
|
data_size0 = 0;
|
| 314 |
|
|
data_size1 = 0;
|
| 315 |
|
|
valid_output0 = false;
|
| 316 |
|
|
valid_output1 = false;
|
| 317 |
|
|
|
| 318 |
|
|
bool expect_erase_after_read0 = false;
|
| 319 |
|
|
bool expect_erase_after_read1 = false;
|
| 320 |
|
|
|
| 321 |
|
|
while(true){
|
| 322 |
|
|
wait();
|
| 323 |
|
|
|
| 324 |
|
|
//If what is outputed from databuffer is valid data : false by default
|
| 325 |
|
|
valid_output0 = false;
|
| 326 |
|
|
|
| 327 |
|
|
if(csr_erase_db0.read() != expect_erase_after_read0){
|
| 328 |
|
|
cout << "ERROR: csr_erase_db0 asserted at wrong time" << endl;
|
| 329 |
|
|
}
|
| 330 |
|
|
//By default, don't expect the CSR to erase data packet
|
| 331 |
|
|
expect_erase_after_read0 = false;
|
| 332 |
|
|
|
| 333 |
|
|
//If reading data from side 0
|
| 334 |
|
|
if(csr_read_db0.read()){
|
| 335 |
|
|
//Check that there is data
|
| 336 |
|
|
if(data_size0 == 0)
|
| 337 |
|
|
cout << "ERROR : CSR reading databuffer while no data to send 0" << endl;
|
| 338 |
|
|
//If it was not valid output, display error
|
| 339 |
|
|
else if(!valid_output0.read())
|
| 340 |
|
|
cout << "ERROR : CSR reading invalid output 0" << endl;
|
| 341 |
|
|
//If done, reset the data position
|
| 342 |
|
|
else{
|
| 343 |
|
|
if(++data_sent0 == data_size0){
|
| 344 |
|
|
data_size0 = 0;
|
| 345 |
|
|
data_sent0 = 0;
|
| 346 |
|
|
expect_erase_after_read0 = true;
|
| 347 |
|
|
}
|
| 348 |
|
|
}
|
| 349 |
|
|
}
|
| 350 |
|
|
//If there is no data, output 0
|
| 351 |
|
|
if(data_size0 == 0){
|
| 352 |
|
|
db0_data_csr = 0;
|
| 353 |
|
|
}
|
| 354 |
|
|
//If address is correct, output data and set valid output
|
| 355 |
|
|
if((csr_address_db0.read() == data_address0 && csr_vctype_db0.read() == data_vc0 ||
|
| 356 |
|
|
data_sent0 > 0) && data_size0 != 0)
|
| 357 |
|
|
{
|
| 358 |
|
|
valid_output0 = true;
|
| 359 |
|
|
db0_data_csr = data0[data_sent0];
|
| 360 |
|
|
}
|
| 361 |
|
|
|
| 362 |
|
|
//Read from side 1
|
| 363 |
|
|
valid_output1 = false;
|
| 364 |
|
|
|
| 365 |
|
|
if(csr_erase_db1.read() != expect_erase_after_read1){
|
| 366 |
|
|
cout << "ERROR: csr_erase_db1 asserted at wrong time" << endl;
|
| 367 |
|
|
}
|
| 368 |
|
|
expect_erase_after_read1 = false;
|
| 369 |
|
|
|
| 370 |
|
|
//If reading data from side 1
|
| 371 |
|
|
if(csr_read_db1.read()){
|
| 372 |
|
|
//Check that there is data
|
| 373 |
|
|
if(data_size1 == 0)
|
| 374 |
|
|
cout << "ERROR : CSR reading databuffer while no data to send 1" << endl;
|
| 375 |
|
|
//If it was not valid output, display error
|
| 376 |
|
|
else if(!valid_output1.read())
|
| 377 |
|
|
cout << "ERROR : CSR reading invalid output 1" << endl;
|
| 378 |
|
|
//If done, reset the data position
|
| 379 |
|
|
else{
|
| 380 |
|
|
if(++data_sent1 == data_size1){
|
| 381 |
|
|
data_size1 = 0;
|
| 382 |
|
|
data_sent1 = 0;
|
| 383 |
|
|
expect_erase_after_read1 = true;
|
| 384 |
|
|
}
|
| 385 |
|
|
}
|
| 386 |
|
|
}
|
| 387 |
|
|
|
| 388 |
|
|
//If there is no data, output 0
|
| 389 |
|
|
if(data_size1 == 0){
|
| 390 |
|
|
db1_data_csr = 0;
|
| 391 |
|
|
}
|
| 392 |
|
|
//If address is correct, output data and set valid output
|
| 393 |
|
|
if((csr_address_db1.read() == data_address1 && csr_vctype_db1.read() == data_vc1 ||
|
| 394 |
|
|
data_sent1 > 0) && data_size1 != 0)
|
| 395 |
|
|
{
|
| 396 |
|
|
valid_output1 = true;
|
| 397 |
|
|
db1_data_csr = data1[data_sent1];
|
| 398 |
|
|
}
|
| 399 |
|
|
}
|
| 400 |
|
|
|
| 401 |
|
|
}
|
| 402 |
|
|
|
| 403 |
|
|
void csr_l2_tb::generate_csr_requests_and_responses(){
|
| 404 |
|
|
|
| 405 |
|
|
//A smart packet container
|
| 406 |
|
|
PacketContainer pkt;
|
| 407 |
|
|
PacketContainerWithData pkt_wdata;
|
| 408 |
|
|
ExpectedResponse response;
|
| 409 |
|
|
|
| 410 |
|
|
///////////////////////////////////////////////////
|
| 411 |
|
|
//Generate a read to a static position (RevisionID)
|
| 412 |
|
|
///////////////////////////////////////////////////
|
| 413 |
|
|
|
| 414 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 415 |
|
|
new ReadPacket(0 /*seqID*/ ,0 /*unitID*/ ,0 /*srcTag*/ ,0 /*maskCount*/,
|
| 416 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE000000005C).range(39,2) /*address*/ ,
|
| 417 |
|
|
true /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 418 |
|
|
false /*responsePassPW*/ ,true /*memoryCoherent*/ ,
|
| 419 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 420 |
|
|
|
| 421 |
|
|
pkt_wdata.pkt_cplt.error64BitExtension = false;
|
| 422 |
|
|
pkt_wdata.pkt_cplt.data_address = 0;
|
| 423 |
|
|
pkt_wdata.pkt_cplt.isPartOfChain = false;
|
| 424 |
|
|
to_send0.push_back(pkt_wdata);
|
| 425 |
|
|
|
| 426 |
|
|
//Generate the expected response for comparison
|
| 427 |
|
|
pkt.takeControl(
|
| 428 |
|
|
new ReadResponsePacket(0 /*unitID*/ ,0 /*srcTag*/ ,0 /*rqUID*/ ,
|
| 429 |
|
|
|
| 430 |
|
|
false /*passPW*/ ,false /*isoc*/ ));
|
| 431 |
|
|
|
| 432 |
|
|
response.size_with_data = 2;
|
| 433 |
|
|
response.dwords[0] = sc_uint<32>((sc_bv<32>)pkt->getVector().range(31,0));
|
| 434 |
|
|
response.dwords[1] = sc_uint<32>(0x88406008);
|
| 435 |
|
|
to_receive0.push_back(response);
|
| 436 |
|
|
|
| 437 |
|
|
///////////////////////////////////////////////////
|
| 438 |
|
|
//Generate a write to the BARS - Posted
|
| 439 |
|
|
///////////////////////////////////////////////////
|
| 440 |
|
|
|
| 441 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 442 |
|
|
new WritePacket(0 /*seqID*/ ,0 /*unitID*/ ,1 /*maskCount*/,
|
| 443 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE0000000010).range(39,2) /*address*/ ,
|
| 444 |
|
|
true /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 445 |
|
|
false /*dataError*/ ,false /*chain*/ ,true /*memoryCoherent*/ ,
|
| 446 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 447 |
|
|
|
| 448 |
|
|
pkt_wdata.pkt_cplt.error64BitExtension = false;
|
| 449 |
|
|
pkt_wdata.pkt_cplt.data_address = rand() % 16;
|
| 450 |
|
|
pkt_wdata.pkt_cplt.isPartOfChain = false;
|
| 451 |
|
|
pkt_wdata.data[0] = 0xFFFFFFFF;
|
| 452 |
|
|
pkt_wdata.data[1] = 0xF0F0F0F0;
|
| 453 |
|
|
to_send1.push_back(pkt_wdata);
|
| 454 |
|
|
|
| 455 |
|
|
///////////////////////////////////////////////////
|
| 456 |
|
|
//Generate a write to the BARS - Non Posted
|
| 457 |
|
|
///////////////////////////////////////////////////
|
| 458 |
|
|
/*WritePacket( const sc_bv<4> &seqID,
|
| 459 |
|
|
const sc_bv<5> &unitID,
|
| 460 |
|
|
const sc_bv<5> &srcTag,
|
| 461 |
|
|
const sc_bv<4> &maskCount,
|
| 462 |
|
|
const sc_bv<38> &address,
|
| 463 |
|
|
int doubleWordDataLength,
|
| 464 |
|
|
bool passPW = false,
|
| 465 |
|
|
bool memoryCoherent = true,
|
| 466 |
|
|
bool compat = false,
|
| 467 |
|
|
bool isoc = false) :*/
|
| 468 |
|
|
|
| 469 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 470 |
|
|
new WritePacket(5 /*seqID*/ ,5 /*unitID*/ ,3 /*srcTag*/,1 /*maskCount*/,
|
| 471 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE0000000018).range(39,2) /*address*/ ,
|
| 472 |
|
|
true /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 473 |
|
|
true /*memoryCoherent*/ ,
|
| 474 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 475 |
|
|
pkt_wdata.pkt_cplt.data_address = rand() % 16;
|
| 476 |
|
|
to_send1.push_back(pkt_wdata);
|
| 477 |
|
|
|
| 478 |
|
|
//Generate the expected response for comparison
|
| 479 |
|
|
pkt.takeControl(
|
| 480 |
|
|
new TargetDonePacket(0 /*unitID*/,
|
| 481 |
|
|
3 /*srcTag*/,
|
| 482 |
|
|
1 /*rqUID*/,
|
| 483 |
|
|
false /*bridge*/,
|
| 484 |
|
|
RE_NORMAL /*error*/,
|
| 485 |
|
|
|
| 486 |
|
|
|
| 487 |
|
|
|
| 488 |
|
|
|
| 489 |
|
|
response.size_with_data = 1;
|
| 490 |
|
|
response.dwords[0] = sc_uint<32>((sc_bv<32>)pkt->getVector().range(31,0));
|
| 491 |
|
|
to_receive1.push_back(response);
|
| 492 |
|
|
|
| 493 |
|
|
|
| 494 |
|
|
///////////////////////////////////////////////////
|
| 495 |
|
|
//Read the BARS - Non Posted
|
| 496 |
|
|
///////////////////////////////////////////////////
|
| 497 |
|
|
|
| 498 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 499 |
|
|
new ReadPacket(0 /*seqID*/ ,0 /*unitID*/ ,7 /*srcTag*/ ,3 /*maskCount*/,
|
| 500 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE0000000010).range(39,2) /*address*/ ,
|
| 501 |
|
|
true /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 502 |
|
|
false /*responsePassPW*/ ,true /*memoryCoherent*/ ,
|
| 503 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 504 |
|
|
|
| 505 |
|
|
pkt_wdata.pkt_cplt.error64BitExtension = false;
|
| 506 |
|
|
pkt_wdata.pkt_cplt.data_address = 0;
|
| 507 |
|
|
pkt_wdata.pkt_cplt.isPartOfChain = false;
|
| 508 |
|
|
to_send.push_back(pkt_wdata);
|
| 509 |
|
|
|
| 510 |
|
|
//Generate the expected response for comparison
|
| 511 |
|
|
pkt.takeControl(
|
| 512 |
|
|
new ReadResponsePacket(0 /*unitID*/ ,7 /*srcTag*/ ,0 /*rqUID*/ ,
|
| 513 |
|
|
3 /*count*/ ,false /*bridge*/ ,RE_NORMAL /*error*/ ,
|
| 514 |
|
|
false /*passPW*/ ,false /*isoc*/ ));
|
| 515 |
|
|
|
| 516 |
|
|
response.size_with_data = 5;
|
| 517 |
|
|
response.dwords[0] = sc_uint<32>((sc_bv<32>)pkt->getVector().range(31,0));
|
| 518 |
|
|
response.dwords[1] = sc_uint<32>(0xFFFFFC00);
|
| 519 |
|
|
response.dwords[2] = sc_uint<32>(0xF0F0F000);
|
| 520 |
|
|
response.dwords[3] = sc_uint<32>(0xFFFFFC00);
|
| 521 |
|
|
response.dwords[4] = sc_uint<32>(0xF0F0F000);
|
| 522 |
|
|
to_receive.push_back(response);
|
| 523 |
|
|
|
| 524 |
|
|
///////////////////////////////////////////
|
| 525 |
|
|
// Test Byte write
|
| 526 |
|
|
///////////////////////////////////////////
|
| 527 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 528 |
|
|
new WritePacket(0 /*seqID*/ ,0 /*unitID*/ ,1 /*maskCount*/,
|
| 529 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE0000000014).range(39,2) /*address*/ ,
|
| 530 |
|
|
false /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 531 |
|
|
false /*dataError*/ ,false /*chain*/ ,true /*memoryCoherent*/ ,
|
| 532 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 533 |
|
|
|
| 534 |
|
|
pkt_wdata.pkt_cplt.error64BitExtension = false;
|
| 535 |
|
|
pkt_wdata.pkt_cplt.data_address = rand() % 16;
|
| 536 |
|
|
pkt_wdata.pkt_cplt.isPartOfChain = false;
|
| 537 |
|
|
pkt_wdata.data[0] = 0x00C00000;
|
| 538 |
|
|
pkt_wdata.data[1] = 0xCD0F0FF0;
|
| 539 |
|
|
to_send.push_back(pkt_wdata);
|
| 540 |
|
|
|
| 541 |
|
|
//Read where we wrote
|
| 542 |
|
|
pkt_wdata.pkt_cplt.packet.takeControl(
|
| 543 |
|
|
new ReadPacket(0 /*seqID*/ ,0 /*unitID*/ ,7 /*srcTag*/ ,0 /*maskCount*/,
|
| 544 |
|
|
(sc_bv<38>)sc_uint<40>(0xFDFE0000000014).range(39,2) /*address*/ ,
|
| 545 |
|
|
true /*doubleWordDataLength*/ ,false /*passPW*/ ,
|
| 546 |
|
|
false /*responsePassPW*/ ,true /*memoryCoherent*/ ,
|
| 547 |
|
|
false /*compat*/ ,false /*isoc*/ ));
|
| 548 |
|
|
|
| 549 |
|
|
pkt_wdata.pkt_cplt.error64BitExtension = false;
|
| 550 |
|
|
pkt_wdata.pkt_cplt.data_address = 0;
|
| 551 |
|
|
pkt_wdata.pkt_cplt.isPartOfChain = false;
|
| 552 |
|
|
to_send.push_back(pkt_wdata);
|
| 553 |
|
|
|
| 554 |
|
|
//Generate the expected response for comparison
|
| 555 |
|
|
pkt.takeControl(
|
| 556 |
|
|
new ReadResponsePacket(0 /*unitID*/ ,7 /*srcTag*/ ,0 /*rqUID*/ ,
|
| 557 |
|
|
|
| 558 |
|
|
false /*passPW*/ ,false /*isoc*/ ));
|
| 559 |
|
|
|
| 560 |
|
|
response.size_with_data = 5;
|
| 561 |
|
|
response.dwords[0] = sc_uint<32>((sc_bv<32>)pkt->getVector().range(31,0));
|
| 562 |
|
|
response.dwords[1] = sc_uint<32>(0xCD0FF000);
|
| 563 |
|
|
to_receive.push_back(response);
|
| 564 |
|
|
}
|
| 565 |
|
|
|
| 566 |
|
|
void csr_l2_tb::flow_control_read_signals(){
|
| 567 |
|
|
while(true){
|
| 568 |
|
|
//Randomly read when there is data available
|
| 569 |
|
|
bool read = (rand() % 10 < 9);
|
| 570 |
|
|
fc0_ack_csr = read && csr_available_fc0.read();
|
| 571 |
|
|
fc1_ack_csr = read && csr_available_fc1.read();
|
| 572 |
|
|
wait();
|
| 573 |
|
|
}
|
| 574 |
|
|
|
| 575 |
|
|
}
|
| 576 |
|
|
|
| 577 |
|
|
void csr_l2_tb::grant_access_databuffer(){
|
| 578 |
|
|
bool delay = false;
|
| 579 |
|
|
while(true){
|
| 580 |
|
|
//Randomly grant access, with a minimum delay of one cycle
|
| 581 |
|
|
bool grant = (rand() % 10 < 2) && delay;
|
| 582 |
|
|
//Delay the request until next cycke
|
| 583 |
|
|
delay = csr_request_databuffer0_access_ui.read() || csr_request_databuffer1_access_ui.read();
|
| 584 |
|
|
//Once access granted, keep it granted until request is done
|
| 585 |
|
|
if(csr_request_databuffer0_access_ui.read() || csr_request_databuffer1_access_ui.read())
|
| 586 |
|
|
ui_databuffer_access_granted_csr = ui_databuffer_access_granted_csr.read() || grant;
|
| 587 |
|
|
else
|
| 588 |
|
|
ui_databuffer_access_granted_csr = false;
|
| 589 |
|
|
wait();
|
| 590 |
|
|
}
|
| 591 |
|
|
}
|
| 592 |
|
|
|
| 593 |
|
|
|
