From 4de2f13fcd06e366386089ef2871c4698c786a6e Mon Sep 17 00:00:00 2001
From: qiuyiuestc <qiuyiuestc@gmail.com>
Date: Sat, 26 Dec 2009 14:47:27 +0000
Subject: support GCC compiler for LM3S platform

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@236 bbd45198-f89e-11dd-88c7-29a3b14d5316
---
 bsp/lm3s/board.h   |  5 +++++
 bsp/lm3s/startup.c | 10 +++++-----
 2 files changed, 10 insertions(+), 5 deletions(-)

(limited to 'bsp')

diff --git a/bsp/lm3s/board.h b/bsp/lm3s/board.h
index 3c796846d4..9a2f330aa0 100644
--- a/bsp/lm3s/board.h
+++ b/bsp/lm3s/board.h
@@ -15,6 +15,11 @@
 #ifndef __BOARD_H__
 #define __BOARD_H__
 
+// <o> Internal SRAM memory size[Kbytes] <8-64>
+//	<i>Default: 64
+#define LM3S_SRAM_SIZE         64
+#define LM3S_SRAM_END          (0x20000000 + LM3S_SRAM_SIZE * 1024)
+
 void rt_hw_board_led_on(int n);
 void rt_hw_board_led_off(int n);
 void rt_hw_board_init(void);
diff --git a/bsp/lm3s/startup.c b/bsp/lm3s/startup.c
index cf2d45ac03..412b74c738 100644
--- a/bsp/lm3s/startup.c
+++ b/bsp/lm3s/startup.c
@@ -19,9 +19,9 @@
 
 /**
  * @addtogroup LM3S
- */
+ */
 
-extern void rt_hw_serial_init(void);
+extern void rt_hw_serial_init(void);
 
 /*@{*/
 #ifdef RT_USING_FINSH
@@ -82,12 +82,12 @@ void rtthread_startup(void)
 
 #ifdef RT_USING_HEAP
 #ifdef __CC_ARM
-	rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)0x20010000);
+	rt_system_heap_init((void*)&Image$$RW_IRAM1$$ZI$$Limit, (void*)LM3S_SRAM_END);
 #elif __ICCARM__
-    rt_system_heap_init(__segment_end("HEAP"), (void*)0x20010000);
+	rt_system_heap_init(__segment_end("HEAP"), (void*)LM3S_SRAM_END);
 #else
 	/* init memory system */
-	rt_system_heap_init((void*)&__bss_end, (void*)0x20010000);
+	rt_system_heap_init((void*)&__bss_end, (void*)LM3S_SRAM_END);
 #endif
 #endif
 
-- 
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