From b7404ccde730f8506b3bc923290e2ff6ee65a525 Mon Sep 17 00:00:00 2001
From: Colin Schmidt <colins@eecs.berkeley.edu>
Date: Sat, 27 Feb 2016 17:24:22 -0800
Subject: if atomics were disabled don't allow multihart

This avoids using atmoics, which we without we can't truly
support multiple harts
---
 pk/mentry.S | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/pk/mentry.S b/pk/mentry.S
index 7f0fc61..2fc7ae3 100644
--- a/pk/mentry.S
+++ b/pk/mentry.S
@@ -179,6 +179,9 @@ mentry:
   j init_first_hart
 
 .LmultiHart:
+#ifndef PK_ENABLE_ATOMICS
+  j .LmultiHart
+#else
   # make sure our hart id is within a valid range
   li a1, MAX_HARTS
   bgeu a0, a1, .LmultiHart
@@ -196,6 +199,7 @@ mentry:
   beqz sp, 1b
 
   j init_other_hart
+#endif
 
 .Linterrupt:
   sll a0, a0, 1    # discard MSB
-- 
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