X-Git-Url: https://robinkrens.nl/gitweb/?a=blobdiff_plain;f=start.asm;h=f2c16bc6a4fb5f88630cac2c8482f5251dff1e5e;hb=2047bc5ccc9d077af532eed0b148e4e0394adc15;hp=e4ca2374980bc8d6ada18aa3f0ace8d02490e22d;hpb=36f2cc60f527235aaf1b3af0888f3255c0214030;p=cortex-from-scratch

diff --git a/start.asm b/start.asm
index e4ca237..f2c16bc 100644
--- a/start.asm
+++ b/start.asm
@@ -1,4 +1,15 @@
-	.equ STACK_TOP, 0x20008000 /* placed at 32kB, TODO: could place at top of SRAM? */
+/* (CC-BY-NC-SA) ROBIN KRENS - ROBIN @ ROBINKRENS.NL
+ * 
+ * $LOG$
+ * 2019/7/20 - ROBIN KRENS	
+ * 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
 	.global reset, nmi, hardfault
@@ -25,16 +36,6 @@ nmi:
 
 hardfault: 
 	b hardfault
-.global stub
-stub:
-	mov r1, #'z'
-	ldr r0, [r1]
-	bx lr
-	/* ldr R0,=10
-	mov R1,#0
-	udiv.w R2, R0, R1 */
-
-	.data
-	.word 'x' 
+	
 	.end