From d54e8eb64d3a79872e55dc246f4adc85d476144f Mon Sep 17 00:00:00 2001
From: gdisirio <gdisirio@35acf78f-673a-0410-8e92-d51de3d6d3f4>
Date: Sat, 5 Jun 2010 10:11:06 +0000
Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@2005
 35acf78f-673a-0410-8e92-d51de3d6d3f4

---
 os/ports/RC/STM8/chcore.h | 23 +++++++++++++++++++++++
 1 file changed, 23 insertions(+)

(limited to 'os/ports/RC')

diff --git a/os/ports/RC/STM8/chcore.h b/os/ports/RC/STM8/chcore.h
index c4f490edc..bc6d43971 100644
--- a/os/ports/RC/STM8/chcore.h
+++ b/os/ports/RC/STM8/chcore.h
@@ -30,6 +30,21 @@
 
 #include <intrins.h>
 
+/*===========================================================================*/
+/* Port configurable parameters.                                             */
+/*===========================================================================*/
+
+/**
+ * @brief   Enables the use of the WFI instruction in the idle thread loop.
+ */
+#ifndef STM8_ENABLE_WFI_IDLE
+#define STM8_ENABLE_WFI_IDLE    FALSE
+#endif
+
+/*===========================================================================*/
+/* Port exported info.                                                       */
+/*===========================================================================*/
+
 /**
  * @brief   Unique macro for the implemented architecture.
  */
@@ -40,6 +55,10 @@
  */
 #define CH_ARCHITECTURE_NAME "STM8"
 
+/*===========================================================================*/
+/* Port implementation part.                                                 */
+/*===========================================================================*/
+
 /**
  * @brief   Base type for stack alignment.
  * @note    No alignment constraints so uint8_t.
@@ -250,7 +269,11 @@ struct stm8_startctx {
  * @brief   Enters an architecture-dependent halt mode.
  * @note    Implemented with the specific "wfi" instruction.
  */
+#if STM8_ENABLE_WFI_IDLE || defined(__DOXYGEN__)
 #define port_wait_for_interrupt() _wfi_()
+#else
+#define port_wait_for_interrupt()
+#endif
 
 /**
  * @brief   Performs a context switch between two threads.
-- 
cgit v1.2.3