Lancaster University / mbed-src

Lancaster University's (short term!) clone of mbed-src for micro:bit. This is a copy of the github branch https://github.com/lancaster-university/mbed-classic

Fork of mbed-src by mbed official

Diff: common/retarget.cpp

Revision:
482:d9a48e768ce0
Parent:
476:4dac56e9ae44
--- a/common/retarget.cpp	Thu Feb 26 09:30:08 2015 +0000
+++ b/common/retarget.cpp	Fri Feb 27 10:00:08 2015 +0000
@@ -459,6 +459,10 @@
 // Linker defined symbol used by _sbrk to indicate where heap should start.
 extern "C" int __end__;
 
+#if defined(TARGET_CORTEX_A)
+extern "C" uint32_t  __HeapLimit;
+#endif
+
 // Turn off the errno macro and use actual global variable instead.
 #undef errno
 extern "C" int errno;
@@ -474,6 +478,8 @@
 
 #if defined(TARGET_ARM7)
     if (new_heap >= stack_ptr) {
+#elif defined(TARGET_CORTEX_A)
+    if (new_heap >= (unsigned char*)&__HeapLimit) {     /* __HeapLimit is end of heap section */
 #else
     if (new_heap >= (unsigned char*)__get_MSP()) {
 #endif