From 4a175e1f110e0d6ad1b784054050be59a6e2c706 Mon Sep 17 00:00:00 2001
From: Damien
Date: Thu, 17 Oct 2013 22:50:21 +0100
Subject: Fix up linker script; improve startup code; printf to USB.

---
 stm/malloc0.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

(limited to 'stm/malloc0.c')

diff --git a/stm/malloc0.c b/stm/malloc0.c
index 55c1ae804..1b45846e6 100644
--- a/stm/malloc0.c
+++ b/stm/malloc0.c
@@ -5,7 +5,8 @@ static uint32_t mem = 0;
 
 void *malloc(size_t n) {
     if (mem == 0) {
-        mem = 0x20008000; // need to use big ram block so we can execute code from it; start up a bit in case that's where bss is...?
+        extern uint32_t _heap_start;
+        mem = &_heap_start; // need to use big ram block so we can execute code from it (is it true that we can't execute from CCM?)
     }
     void *ptr = (void*)mem;
     mem = (mem + n + 3) & (~3);
-- 
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