From: richardbarry <richardbarry@1d2547de-c912-0410-9cb9-b8ca96c0e9e2>
Date: Fri, 25 Jul 2008 02:40:35 +0000 (+0000)
Subject: Improve efficiency even further.  Introduce the configMAX_SYSCALL_INTERRUPT_PRIORITY... 
X-Git-Tag: V5.0.3~9
X-Git-Url: https://git.sur5r.net/?a=commitdiff_plain;h=d44b7bf2c0d5121e8ca42c57bf54220a98921496;p=freertos

Improve efficiency even further.  Introduce the configMAX_SYSCALL_INTERRUPT_PRIORITY feature.

git-svn-id: https://svn.code.sf.net/p/freertos/code/trunk@418 1d2547de-c912-0410-9cb9-b8ca96c0e9e2
---

diff --git a/Source/portable/IAR/ARM_CM3/portasm.s b/Source/portable/IAR/ARM_CM3/portasm.s
index d4071e39c..d3329a30d 100644
--- a/Source/portable/IAR/ARM_CM3/portasm.s
+++ b/Source/portable/IAR/ARM_CM3/portasm.s
@@ -146,9 +146,14 @@ vPortSVCHandler;
 /*-----------------------------------------------------------*/
 
 vPortStartFirstTask
+	/* Use the NVIC offset register to locate the stack. */
+	ldr r0, =0xE000ED08
+	ldr r0, [r0]
+	ldr r0, [r0]
+	/* Set the msp back to the start of the stack. */
 	msr msp, r0
+	/* Call SVC to start the first task. */
 	svc 0
 
-
 	END
 	
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