From 7bcad351bfbf1804615e59e34acd6e2eac9cc96f Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Wed, 4 May 1994 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 1994-05-04

---
 carrera/kbd.c |  1 -
 carrera/l.s   | 18 ------------------
 2 files changed, 19 deletions(-)

diff --git a/carrera/kbd.c b/carrera/kbd.c
index 4dfefd2101f69d922dbd4d2fbdf0a9453f569bf7..3e4379070120887c14b5867e25bb227cdee570f2 100644
--- a/carrera/kbd.c
+++ b/carrera/kbd.c
@@ -352,7 +352,6 @@ int
 kbdinit(void)
 {
 	int i;
-return 0;
 
 	/*
 	 *  empty the buffer
diff --git a/carrera/l.s b/carrera/l.s
index 3cb76a2993da6f9d312245859f859cb599a05f30..aba6f945a3983ebf0f42224a1b58ff6d672cb04a 100644
--- a/carrera/l.s
+++ b/carrera/l.s
@@ -7,23 +7,9 @@
 #define	FCRNOOP		NOOP; NOOP; NOOP
 #define	WAIT		NOOP; NOOP
 #define	NOOP4		NOOP; NOOP; NOOP; NOOP
-
 #define	ERET		NOOP4;NOOP4;NOOP4;WORD $0x42000018;NOOP4;NOOP4;NOOP4
-
 #define	CONST(x,r)	MOVW $((x)&0xffff0000), r; OR  $((x)&0xffff), r
 
-#define	RDBGSV		CONST(0x80020000, R26);	\
-			MOVW R29, 0(R26); \
-			MOVW M(EPC), R27; \
-			MOVW R27, 4(R26); \
-			MOVW R31, 8(R26); \
-			MOVW M(CAUSE), R27; \
-			MOVW R27, 12(R26); \
-			MOVW M(STATUS), R27; \
-			MOVW R27, 16(R26); \
-			MOVW M(BADVADDR), R27; \
-			MOVW R27, 20(R26);
-
 /*
  *  R4000 instructions
  */
@@ -293,7 +279,6 @@ TEXT	gettlbvirt(SB), $0
 TEXT	vector0(SB), $-4
 	NOOP4
 	NOOP4
-	RDBGSV
 	MOVW	$utlbmiss(SB), R26
 	JMP	(R26)
 
@@ -370,14 +355,12 @@ stlbm:
 TEXT	vector100(SB), $-4
 	NOOP4
 	NOOP4
-	RDBGSV
 	MOVW	$exception(SB), R26
 	JMP	(R26)
 
 TEXT	vector180(SB), $-4
 	NOOP4
 	NOOP4
-	RDBGSV
 	MOVW	$exception(SB), R26
 	JMP	(R26)
 	NOP
@@ -427,7 +410,6 @@ sysrestore:
 
 notsys:
 	JAL	trap(SB)
-	RDBGSV
 restore:
 	JAL	restregs(SB)
 	MOVW	0x28(SP), R31