From 566f91822b4545b3bafbdff2fd0541dd91c38507 Mon Sep 17 00:00:00 2001
From: Fabio Utzig <utzig@utzig.org>
Date: Fri, 21 Oct 2016 11:50:40 +0000
Subject: Fixed issue that caused interrupts to never be served

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@9868 35acf78f-673a-0410-8e92-d51de3d6d3f4
---
 os/hal/osal/os-less/AVR/osal.h | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/os/hal/osal/os-less/AVR/osal.h b/os/hal/osal/os-less/AVR/osal.h
index 309ed6b7d..f0ae5d372 100644
--- a/os/hal/osal/os-less/AVR/osal.h
+++ b/os/hal/osal/os-less/AVR/osal.h
@@ -569,6 +569,7 @@ static inline void osalSysDisable(void) {
 static inline void osalSysEnable(void) {
 
   asm volatile ("sei" : : : "memory");
+  asm volatile ("nop");
 }
 
 /**
@@ -591,6 +592,7 @@ static inline void osalSysLock(void) {
 static inline void osalSysUnlock(void) {
 
   asm volatile ("sei" : : : "memory");
+  asm volatile ("nop");
 }
 
 /**
@@ -650,6 +652,7 @@ static inline void osalSysRestoreStatusX(syssts_t sts) {
 
   if ((sts & 0x80) != 0) {
     asm volatile ("sei" : : : "memory");
+    asm volatile ("nop");
   }
 }
 
-- 
cgit v1.2.3