From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Mon, 19 May 2008 19:11:08 +0000 (+0000)
Subject: Bug fix - allocate 2 extra words at the bottom of the task stack to account for the... 
X-Git-Tag: V5.0.2~39
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=7538d3fd56173e26b98699861849642e20afe388;p=freertos

Bug fix - allocate 2 extra words at the bottom of the task stack to account for the back chain and saved LR.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@358 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

diff --git a/Source/portable/GCC/PPC405_Xilinx/port.c b/Source/portable/GCC/PPC405_Xilinx/port.c
index df668849b..b7b2ff505 100644
--- a/Source/portable/GCC/PPC405_Xilinx/port.c
+++ b/Source/portable/GCC/PPC405_Xilinx/port.c
@@ -121,7 +121,7 @@ portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE
 	pxTopOfStack--;
 
 	/* EABI stack frame. */
-	pxTopOfStack -= 28;	/* R31 to R4 inclusive. */
+	pxTopOfStack -= 30;	/* Previous backchain and LR, R31 to R4 inclusive. */
 
 	/* Parameters in R3. */
 	*pxTopOfStack = ( portSTACK_TYPE ) pvParameters;