From 855847de577f0949a6e557aac23a12fd66b8afd3 Mon Sep 17 00:00:00 2001
From: "Nicolas \"Pixel\" Noble" <pixel@nobis-crew.org>
Date: Wed, 26 Jan 2011 20:38:24 +0100
Subject: Meh, it seems I suck at ARM assembly. Doing this by calling memcpy
 for now, we'll see later if I can write a proper full ASM version of it.

---
 arch/arm/lpc17xx/startup.s | 16 +++++++++-------
 1 file changed, 9 insertions(+), 7 deletions(-)

diff --git a/arch/arm/lpc17xx/startup.s b/arch/arm/lpc17xx/startup.s
index ecab24e..6ad4127 100644
--- a/arch/arm/lpc17xx/startup.s
+++ b/arch/arm/lpc17xx/startup.s
@@ -128,16 +128,18 @@ __cs3_interrupt_vector_cortex_m:
     .type   __cs3_reset_cortex_m, %function
 __cs3_reset_cortex_m:
     .fnstart
+
     LDR     R0, =__rom_data_begin
     LDR     R1, =__rom_data_end
     LDR     R2, =__ram_data_begin
-    B       rom_to_ram_copy_check
-rom_to_ram_copy_loop:
-    LDR     R3, [R0], #4
-    STR     R3, [R2], #4
-rom_to_ram_copy_check:
-    CMP     R1, R0
-    BCC     rom_to_ram_copy_loop
+    
+    MOV     R3, R0
+    SUBS    R4, R1, R0
+    MOV     R1, R3
+    MOV     R0, R2
+    MOV     R2, R4
+    BL      memcpy
+    
     LDR     R0, =SystemInit
     BLX     R0
     LDR     R0,=_start
-- 
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