From f19d4381e49bfc894bbbe849198656f85d1fe15e Mon Sep 17 00:00:00 2001
From: cedar-renjun <819280802@qq.com>
Date: Sat, 17 Oct 2015 21:01:41 +0800
Subject: [PATCH] Update stm32f40x_flash.icf

Export the end address of ram, to avoid hard-code heap size in application
---
 bsp/stm32f40x/stm32f40x_flash.icf | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/bsp/stm32f40x/stm32f40x_flash.icf b/bsp/stm32f40x/stm32f40x_flash.icf
index 8888d0e081..204f459388 100644
--- a/bsp/stm32f40x/stm32f40x_flash.icf
+++ b/bsp/stm32f40x/stm32f40x_flash.icf
@@ -8,6 +8,9 @@ define symbol __ICFEDIT_region_ROM_start__ = 0x08000000;
 define symbol __ICFEDIT_region_ROM_end__   = 0x0807FFFF;
 define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
 define symbol __ICFEDIT_region_RAM_end__   = 0x2001FFFF; /*STM32 F446RE*/
+
+/*Export the end address of ram, to avoid hard-code heap size in application*/
+export symbol __ICFEDIT_region_RAM_end__;
 /*-Sizes-*/
 define symbol __ICFEDIT_size_cstack__ = 0x200;
 define symbol __ICFEDIT_size_heap__   = 0x000;