From ab7c632af3b73b74025832fa0391a28d8feb8bad Mon Sep 17 00:00:00 2001
From: RichardBarry <RichardBarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Sun, 24 Sep 2006 10:05:48 +0000
Subject: [PATCH] Added the PRESERVE8 directive to all asm functions.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@37 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---
 Source/portable/RVDS/ARM_CM3/port.c | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/Source/portable/RVDS/ARM_CM3/port.c b/Source/portable/RVDS/ARM_CM3/port.c
index 4b60244c7..8db6dcb12 100644
--- a/Source/portable/RVDS/ARM_CM3/port.c
+++ b/Source/portable/RVDS/ARM_CM3/port.c
@@ -110,6 +110,7 @@ portSTACK_TYPE *pxPortInitialiseStack( portSTACK_TYPE *pxTopOfStack, pdTASK_CODE
 
 __asm void prvSetPSP( unsigned long ulValue )
 {
+	PRESERVE8
 	msr psp, r0
 	bx lr;
 }
@@ -117,6 +118,7 @@ __asm void prvSetPSP( unsigned long ulValue )
 
 __asm void prvSetMSP( unsigned long ulValue )
 {
+	PRESERVE8
 	msr msp, r0
 	bx lr;
 }
@@ -166,6 +168,7 @@ void vPortYieldFromISR( void )
 
 __asm void vPortDisableInterrupts( void )
 {
+	PRESERVE8
 	cpsid i;
 	bx lr;
 }
@@ -173,6 +176,7 @@ __asm void vPortDisableInterrupts( void )
 
 __asm void vPortEnableInterrupts( void )
 {
+	PRESERVE8
 	cpsie i;
 	bx lr;
 }
@@ -201,6 +205,8 @@ __asm void xPortPendSVHandler( void )
 	extern pxCurrentTCB;
 	extern vTaskSwitchContext;
 
+	PRESERVE8
+
 	/* Start first task if the stack has not yet been setup. */
 	mrs r0, psp
 	cbz r0, no_save
@@ -252,6 +258,7 @@ sv_disable_interrupts;
 __asm void xPortSysTickHandler( void )
 {
 	extern vTaskIncrementTick
+	PRESERVE8
 
 	/* Call the scheduler tick function. */
 	ldr r0, =vTaskIncrementTick
-- 
2.39.5