third_party/renode/0002-AXI-S-fixups.patch

From 4ae9016c46c34718a38df0be3ad7317a9c214612 Mon Sep 17 00:00:00 2001
From: Alex Van Damme <atv@google.com>
Date: Thu, 12 Sep 2024 10:13:36 -0700
Subject: [PATCH 2/2] AXI-S fixups

Change-Id: I19ead18fd791bf70788fe6273005dfe589eb6c6e
---
 .../src/buses/axi-slave.cpp                          | 10 +++-------
 .../VerilatorIntegrationLibrary/src/renode_bus.cpp   | 12 ++++++++----
 2 files changed, 11 insertions(+), 11 deletions(-)

diff --git a/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/buses/axi-slave.cpp b/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/buses/axi-slave.cpp
index f53768f2..2a3678ba 100644
--- a/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/buses/axi-slave.cpp
+++ b/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/buses/axi-slave.cpp
@@ -28,18 +28,14 @@ void AxiSlave::tick(bool countEnable, uint64_t steps = 1)
     for(uint64_t i = 0; i < steps; i++) {
         readHandler();
         writeHandler();
-        *aclk = 1;
-        evaluateModel();
         updateSignals();
-        *aclk = 0;
-        evaluateModel();
     }
 
     // Since we can run out of steps during an AXI transaction we must let
     // the AXI master know that we can't accept more data at the moment.
     // To do that we set all handshake signals to 0 and readHandler/writeHandler
     // will handle resuming the transaction once tick is called again.
-    clearSignals();
+    // clearSignals();
 
     if(countEnable) {
         tickCounter += steps;
@@ -127,7 +123,7 @@ void AxiSlave::readHandler()
                 if(readBurstType != AxiBurstType::INCR)
                     throw "Unsupported AXI read burst type";
 
-                if(readNumBytes != int(dataWidth/8))
+                if(readNumBytes != int(dataWidth))
                     throw "Narrow bursts are not supported";
 
                 this->agent->log(0, "Axi read start");
@@ -184,7 +180,7 @@ void AxiSlave::writeHandler()
                 if(writeBurstType != AxiBurstType::INCR)
                     throw "Unsupported AXI write burst type";
 
-                if(writeNumBytes != int(dataWidth/8))
+                if(writeNumBytes != int(dataWidth))
                     throw "Narrow bursts are not supported";
 
                 this->agent->log(0, "Axi write start");
diff --git a/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/renode_bus.cpp b/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/renode_bus.cpp
index c61ce623..df658840 100644
--- a/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/renode_bus.cpp
+++ b/src/Plugins/VerilatorPlugin/VerilatorIntegrationLibrary/src/renode_bus.cpp
@@ -116,10 +116,14 @@ uint64_t RenodeAgent::requestFromAgent(Action action, uint64_t addr)
 
 void RenodeAgent::tick(bool countEnable, uint64_t steps)
 {
-    for(auto& b : targetInterfaces)
-        b->tick(countEnable, steps);
-    for(auto& b : initatorInterfaces)
-        b->tick(countEnable, steps);
+    for (int i = 0; i < steps; ++i) {
+        for(auto& b : targetInterfaces) {
+            b->tick(countEnable, 1);
+        }
+        for(auto& b : initatorInterfaces) {
+            b->tick(countEnable, 1);
+        }
+    }
 }
 
 void RenodeAgent::timeoutTick(uint8_t* signal, uint8_t expectedValue, int timeout)
-- 
2.46.0.662.g92d0881bb0-goog