sw: Add fence ensuring Snitch entry point is programmed

pulp-platform · Dec 9, 2023 · 84a6048 · 84a6048
1 parent 68812c6
commit 84a6048
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/target/sim/sw/host/apps/offload/src/offload.c b/target/sim/sw/host/apps/offload/src/offload.c
@@ -15,6 +15,10 @@ int main() {
     // Program Snitch entry point and communication buffer
     program_snitches();
 
+    // Compiler fence to ensure Snitch entry point is
+    // programmed before Snitches are woken up
+    asm volatile("" ::: "memory");
+
     // Start Snitches
     wakeup_snitches_cl();