From 3054cbb76488ca0e7c3d64d6a3146467a976587b Mon Sep 17 00:00:00 2001
From: Benjamin Landers <benjaminrlanders@gmail.com>
Date: Thu, 16 May 2019 21:06:07 -0700
Subject: [PATCH] Fix backstepper for CSRs and Floating point registers

The bug was introduced in eaf9557beedef3b3608da7c1aec3ba8c5c1ee0f6#diff-099c4644aabc3b2bb9342c4e4ac331a2
---
 rars/simulator/BackStepper.java | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/rars/simulator/BackStepper.java b/rars/simulator/BackStepper.java
index 3067e688..c226c1da 100644
--- a/rars/simulator/BackStepper.java
+++ b/rars/simulator/BackStepper.java
@@ -2,6 +2,8 @@
 
 import rars.Globals;
 import rars.ProgramStatement;
+import rars.riscv.hardware.ControlAndStatusRegisterFile;
+import rars.riscv.hardware.FloatingPointRegisterFile;
 import rars.riscv.hardware.RegisterFile;
 import rars.riscv.Instruction;
 
@@ -147,6 +149,12 @@ public void backStep() {
                         case REGISTER_RESTORE:
                             RegisterFile.updateRegister(step.param1, step.param2);
                             break;
+                        case FLOATING_POINT_REGISTER_RESTORE:
+                            FloatingPointRegisterFile.updateRegister(step.param1,step.param2);
+                            break;
+                        case CONTROL_AND_STATUS_REGISTER_RESTORE:
+                            ControlAndStatusRegisterFile.updateRegister(step.param1,step.param2);
+                            break;
                         case PC_RESTORE:
                             RegisterFile.setProgramCounter(step.param1);
                             break;