From cfe961caa6df2b15d7a21a4bd53055a534f1fda6 Mon Sep 17 00:00:00 2001
From: Edward A Maxedon <edadma@gmail.com>
Date: Mon, 2 Apr 2018 14:17:45 -0400
Subject: [PATCH] fix start.s

---
 README.md         | 2 --
 start.s           | 2 --
 tests/hello.hex   | 2 +-
 tests/signum.hex  | 2 +-
 tests/str2bin.hex | 4 ++--
 tests/strcmp.hex  | 2 +-
 6 files changed, 5 insertions(+), 9 deletions(-)

diff --git a/README.md b/README.md
index 8da7117..fab1f9f 100644
--- a/README.md
+++ b/README.md
@@ -49,8 +49,6 @@ and place the following assembly start-up code into a text file called `start.s`
 	_start:
 	  lui sp, 0x10
 	  call main
-	  csrrwi x0, 0, 0
-
 	.globl halt
 	halt:
 	  csrrwi x0, 0, 0
diff --git a/start.s b/start.s
index 720fb60..5cbc7ae 100644
--- a/start.s
+++ b/start.s
@@ -3,8 +3,6 @@
 _start:
 	lui	 sp, 0x10
 	call main
-	csrrwi x0, 0, 0
-
 .globl halt
 halt:
 	csrrwi x0, 0, 0
diff --git a/tests/hello.hex b/tests/hello.hex
index 58f1a5a..551229d 100644
--- a/tests/hello.hex
+++ b/tests/hello.hex
@@ -1,6 +1,6 @@
 
 Hex dump of section '.text':
-  0x00010080 37010100 ef00c003 73500000 73500000 7.......sP..sP..
+  0x00010080 37010100 ef00c003 73500000 00000000 7.......sP......
   0x00010090 00000000 00000000 00000000 00000000 ................
   0x000100a0 00000000 00000000 00000000 00000000 ................
   0x000100b0 00000000 00000000 00000000 00000000 ................
diff --git a/tests/signum.hex b/tests/signum.hex
index 22e592d..b7a06c1 100644
--- a/tests/signum.hex
+++ b/tests/signum.hex
@@ -1,6 +1,6 @@
 
 Hex dump of section '.text':
-  0x000100c0 37010100 ef004017 73500000 73500000 7.....@.sP..sP..
+  0x000100c0 37010100 ef004017 73500000 00000000 7.....@.sP......
   0x000100d0 00000000 00000000 00000000 00000000 ................
   0x000100e0 00000000 00000000 00000000 00000000 ................
   0x000100f0 00000000 00000000 00000000 00000000 ................
diff --git a/tests/str2bin.hex b/tests/str2bin.hex
index dd50a7e..9b1df53 100644
--- a/tests/str2bin.hex
+++ b/tests/str2bin.hex
@@ -1,6 +1,6 @@
 
 Hex dump of section '.text':
-  0x00010080 37010100 ef000028 73500000 73500000 7......(sP..sP..
+  0x00010080 37010100 ef000028 73500000 00000000 7......(sP......
   0x00010090 00000000 00000000 00000000 00000000 ................
   0x000100a0 00000000 00000000 00000000 00000000 ................
   0x000100b0 00000000 00000000 00000000 00000000 ................
@@ -33,7 +33,7 @@ Hex dump of section '.text':
   0x00010260 232cf4fc 832784fd 1b870700 9307f0ff #,...'..........
   0x00010270 630cf700 032784fd 832744fb 1b070700 c....'...'D.....
   0x00010280 9b870700 634af700 b7070100 13850754 ....cJ.........T
-  0x00010290 eff01fe6 eff09fdf 032744fe 832744fb .........'D..'D.
+  0x00010290 eff01fe6 eff05fdf 032744fe 832744fb ......_..'D..'D.
   0x000102a0 bb07f702 9b870700 032784fd bb07f700 .........'......
   0x000102b0 2322f4fe 833784fe 13871700 2334e4fe #"...7......#4..
   0x000102c0 83c70700 a30ff4fc 8347f4fd 93f7f70f .........G......
diff --git a/tests/strcmp.hex b/tests/strcmp.hex
index 94b29e0..fd3bbbd 100644
--- a/tests/strcmp.hex
+++ b/tests/strcmp.hex
@@ -1,6 +1,6 @@
 
 Hex dump of section '.text':
-  0x000100c0 37010100 ef004021 73500000 73500000 7.....@!sP..sP..
+  0x000100c0 37010100 ef004021 73500000 00000000 7.....@!sP......
   0x000100d0 00000000 00000000 00000000 00000000 ................
   0x000100e0 00000000 00000000 00000000 00000000 ................
   0x000100f0 00000000 00000000 00000000 00000000 ................