From 1cb09aab17066f72c6f439e23741bcd23c8408de Mon Sep 17 00:00:00 2001
From: Paul Selkirk <paul@psgd.org>
Date: Mon, 13 Jun 2016 15:08:14 -0400
Subject: Add __end symbols for CCMRAM and SDRAM sections.

This lets us, say, use these sections for stack or heap.
---
 .../TARGET_CRYPTECH_ALPHA/TOOLCHAIN_GCC_ARM/STM32F429BI.ld          | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/TOOLCHAIN_GCC_ARM/STM32F429BI.ld b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/TOOLCHAIN_GCC_ARM/STM32F429BI.ld
index cc6dc4d..29ddfcf 100644
--- a/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/TOOLCHAIN_GCC_ARM/STM32F429BI.ld
+++ b/libraries/mbed/targets/cmsis/TARGET_STM/TARGET_STM32F4/TARGET_CRYPTECH_ALPHA/TOOLCHAIN_GCC_ARM/STM32F429BI.ld
@@ -138,6 +138,8 @@ SECTIONS
       _eccmram = .;
     } >CCMRAM AT> FLASH
 
+     __end_ccmram = ORIGIN(CCMRAM) + LENGTH(CCMRAM);
+
     .sdram1 :
     {
       . = ALIGN(4);
@@ -149,6 +151,8 @@ SECTIONS
       _esdram1 = .;
     } >SDRAM1
 
+    __end_sdram1 = ORIGIN(SDRAM1) + LENGTH(SDRAM1);
+
     .sdram2 :
     {
       . = ALIGN(4);
@@ -160,6 +164,8 @@ SECTIONS
       _esdram2 = .;
     } >SDRAM2
 
+    __end_sdram2 = ORIGIN(SDRAM2) + LENGTH(SDRAM2);
+
     .bss :
     {
         . = ALIGN(4);
-- 
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