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-rw-r--r--src/sim/controller.cc1
1 files changed, 1 insertions, 0 deletions
diff --git a/src/sim/controller.cc b/src/sim/controller.cc
index 65e5676..9256151 100644
--- a/src/sim/controller.cc
+++ b/src/sim/controller.cc
@@ -11,6 +11,7 @@ Controller::Controller(Stage *stage, Storage *storage, bool is_pipelined)
this->pc = 0x0;
this->checked_out = {};
this->gprs = {0};
+ this->gprs.at(2) = MEM_WORDS; // set the stack pointer
// grant side-door access
this->id = SIDE;
}