From 1e3c79602d5089f1a707f425cdd5d455f83e6f2b Mon Sep 17 00:00:00 2001
From: cedar-renjun <819280802@qq.com>
Date: Sat, 17 Oct 2015 20:58:42 +0800
Subject: [PATCH] Update board.h

Use *.icf ram symbal, to avoid hardcode.
---
 bsp/stm32f40x/drivers/board.h | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/bsp/stm32f40x/drivers/board.h b/bsp/stm32f40x/drivers/board.h
index 97b506c146..7f362503b0 100644
--- a/bsp/stm32f40x/drivers/board.h
+++ b/bsp/stm32f40x/drivers/board.h
@@ -37,8 +37,14 @@
 
 // <o> Internal SRAM memory size[Kbytes] <8-64>
 //	<i>Default: 64
+#ifdef __ICCARM__
+// Use *.icf ram symbal, to avoid hardcode.
+extern char __ICFEDIT_region_RAM_end__;
+#define STM32_SRAM_END          &__ICFEDIT_region_RAM_end__
+#else
 #define STM32_SRAM_SIZE         128
 #define STM32_SRAM_END          (0x20000000 + STM32_SRAM_SIZE * 1024)
+#endif
 
 // <o> Console on USART: <0=> no console <1=>USART 1 <2=>USART 2 <3=> USART 3
 // 	<i>Default: 1
-- 
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