added commenting, removed deprecated functions

[cortex-from-scratch] / start.asm

diff --git a/start.asm b/start.asm
index 180f9a4..f2c16bc 100644 (file)
--- a/start.asm
+++ b/start.asm
@@ -5,8 +5,10 @@
  * Initial version 
  * 
  * $DESCRIPTION$
- *
- * */
+ */
+
+/* _start sets up the stack and jumps to the reset vector */
+
        .equ STACK_TOP, 0x20010000 /* placed at 64kB, top of SRAM */
        .text
        .global _start
@@ -34,14 +36,6 @@ nmi:
 
 hardfault: 
        b hardfault
-.global stub
-stub:
-       ldr R0,=10
-       mov R1,#0
-       ldc2 11, cr0, [r1, #4]
-       udiv.w R2, R0, R1 
-
-       .data
-       .word 'x' 
+       
        .end