From f3a4d8b399a83d961f72439aadb09315f79c2c16 Mon Sep 17 00:00:00 2001
From: David Welch <dwelch@dwelch.com>
Date: Fri, 8 Jun 2012 22:35:30 -0400
Subject: [PATCH] moving twain test to 0x8000

---
 twain/README    |  3 +++
 twain/memmap    |  2 +-
 twain/vectors.s | 19 +------------------
 3 files changed, 5 insertions(+), 19 deletions(-)

diff --git a/twain/README b/twain/README
index 3b83cb2..d4236d1 100644
--- a/twain/README
+++ b/twain/README
@@ -379,3 +379,6 @@ and the machine code generated.  We also got to play with the caches
 and mmu in a simplified fashion.
 
 (yes this is too wordy and I need to proof/rewrite)
+based on new discoveries, changed the start address to 0x8000 for the
+whole thing so that messes with cache lines and results have some
+differences to the numbers above (for reasons described above).
diff --git a/twain/memmap b/twain/memmap
index 36a995b..4226666 100644
--- a/twain/memmap
+++ b/twain/memmap
@@ -1,7 +1,7 @@
 
 MEMORY
 {
-    ram : ORIGIN = 0x00000000, LENGTH = 0x100000
+    ram : ORIGIN = 0x8000, LENGTH = 0x30000-0x8000
 }
 
 SECTIONS
diff --git a/twain/vectors.s b/twain/vectors.s
index 6833550..8ea49b1 100644
--- a/twain/vectors.s
+++ b/twain/vectors.s
@@ -1,30 +1,13 @@
 
 .globl _start
 _start:
-    b reset
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
-    b hang
 
-reset:
 
 ;@ add/remove nops here
     nop
     nop
     nop
-
-
+;@ add/remove nops here
 
     mov sp,#0x00200000
     bl notmain