64 bit safe over entire address range

1 files changed, 23 insertions, 23 deletions

diff --git a/sys/lib/libkern/arch/mips64/bcopy.S b/sys/lib/libkern/arch/mips64/bcopy.S
index b48fe7504eb..6ee62c945cc 100644
--- a/sys/lib/libkern/arch/mips64/bcopy.S
+++ b/sys/lib/libkern/arch/mips64/bcopy.S
@@ -1,4 +1,4 @@
-/*	$OpenBSD: bcopy.S,v 1.3 2004/09/09 15:41:18 pefo Exp $	*/
+/*	$OpenBSD: bcopy.S,v 1.4 2004/10/08 14:42:09 pefo Exp $	*/
 /*-
  * Copyright (c) 1991, 1993
  *      The Regents of the University of California.  All rights reserved.
@@ -46,7 +46,7 @@ LEAF(memcpy, 0)
 ALEAF(bcopy)
 ALEAF(ovbcopy)
 	.set	noreorder
-	addu	t0, a0, a2		# t0 = end of s1 region
+	PTR_ADDU t0, a0, a2		# t0 = end of s1 region
 	sltu	t1, a1, t0
 	sltu	t2, a0, a1
 	and	t1, t1, t2		# t1 = true if from < to < (from+len)
@@ -54,11 +54,11 @@ ALEAF(ovbcopy)
 	slt	t2, a2, 12		# check for small copy
 
 	ble	a2, zero, 2f
-	addu	t1, a1, a2		# t1 = end of to region
+	PTR_ADDU t1, a1, a2		# t1 = end of to region
 1:
 	lb	v1, -1(t0)		# copy bytes backwards,
-	subu	t0, t0, 1		#   doesnt happen often so do slow way
-	subu	t1, t1, 1
+	PTR_SUBU t0, t0, 1		#   doesnt happen often so do slow way
+	PTR_SUBU t1, t1, 1
 	bne	t0, a0, 1b
 	sb	v1, 0(t1)
 2:
@@ -68,59 +68,59 @@ forward:
 	bne	t2, zero, smallcpy	# do a small bcopy
 	xor	v1, a0, a1		# compare low two bits of addresses
 	and	v1, v1, 3
-	subu	a3, zero, a1		# compute # bytes to word align address
+	PTR_SUBU a3, zero, a1		# compute # bytes to word align address
 	beq	v1, zero, aligned	# addresses can be word aligned
 	and	a3, a3, 3
 
 	beq	a3, zero, 1f
-	subu	a2, a2, a3		# subtract from remaining count
+	PTR_SUBU a2, a2, a3		# subtract from remaining count
 	LWHI	v1, 0(a0)		# get next 4 bytes (unaligned)
 	LWLO	v1, 3(a0)
-	addu	a0, a0, a3
+	PTR_ADDU a0, a0, a3
 	SWHI	v1, 0(a1)		# store 1, 2, or 3 bytes to align a1
-	addu	a1, a1, a3
+	PTR_ADDU a1, a1, a3
 1:
 	and	v1, a2, 3		# compute number of words left
-	subu	a3, a2, v1
+	PTR_SUBU a3, a2, v1
 	move	a2, v1
-	addu	a3, a3, a0		# compute ending address
+	PTR_ADDU a3, a3, a0		# compute ending address
 2:
 	LWHI	v1, 0(a0)		# copy words a0 unaligned, a1 aligned
 	LWLO	v1, 3(a0)
-	addu	a0, a0, 4
+	PTR_ADDU a0, a0, 4
 	sw	v1, 0(a1)
-	addu	a1, a1, 4
+	PTR_ADDU a1, a1, 4
 	bne	a0, a3, 2b
 	nop				# We have to do this mmu-bug.
 	b	smallcpy
 	nop
 aligned:
 	beq	a3, zero, 1f
-	subu	a2, a2, a3		# subtract from remaining count
+	PTR_SUBU a2, a2, a3		# subtract from remaining count
 	LWHI	v1, 0(a0)		# copy 1, 2, or 3 bytes to align
-	addu	a0, a0, a3
+	PTR_ADDU a0, a0, a3
 	SWHI	v1, 0(a1)
-	addu	a1, a1, a3
+	PTR_ADDU a1, a1, a3
 1:
 	and	v1, a2, 3		# compute number of whole words left
-	subu	a3, a2, v1
+	PTR_SUBU a3, a2, v1
 	move	a2, v1
-	addu	a3, a3, a0		# compute ending address
+	PTR_ADDU a3, a3, a0		# compute ending address
 2:
 	lw	v1, 0(a0)		# copy words
-	addu	a0, a0, 4
+	PTR_ADDU a0, a0, 4
 	sw	v1, 0(a1)
 	bne	a0, a3, 2b
-	addu	a1, a1, 4
+	PTR_ADDU a1, a1, 4
 smallcpy:
 	ble	a2, zero, 2f
-	addu	a3, a2, a0		# compute ending address
+	PTR_ADDU a3, a2, a0		# compute ending address
 1:
 	lbu	v1, 0(a0)		# copy bytes
-	addu	a0, a0, 1
+	PTR_ADDU a0, a0, 1
 	sb	v1, 0(a1)
 	bne	a0, a3, 1b
-	addu	a1, a1, 1	# MMU BUG ? can not do -1(a1) at 0x80000000!!
+	PTR_ADDU a1, a1, 1	# MMU BUG ? can not do -1(a1) at 0x80000000!!
 2:
 	j	ra
 	nop