patch-2.4.20 linux-2.4.20/arch/ppc64/lib/string.S

• Lines: 60
• Date: Thu Nov 28 15:53:11 2002
• Orig file: linux-2.4.19/arch/ppc64/lib/string.S
• Orig date: Fri Aug 2 17:39:43 2002

diff -urN linux-2.4.19/arch/ppc64/lib/string.S linux-2.4.20/arch/ppc64/lib/string.S
@@ -351,9 +351,9 @@
 #endif /* MAX_COPY_PREFETCH */
 
 	mtctr	r0
-53:
 	dcbt	r3,r4
-	dcbz	r11,r6
+53:
+54:	dcbz	r11,r6
 /* had to move these to keep extable in order */
 	.section __ex_table,"a"
 	.align	3
@@ -361,7 +361,7 @@
 	.llong	71b,101f
 	.llong	72b,102f
 	.llong	73b,103f
-	.llong	53b,105f
+	.llong	54b,105f
 	.text
 /* the main body of the cacheline loop */
 	COPY_16_BYTES_WITHEX(0)
@@ -504,11 +504,11 @@
 	add	r4,r0,r4
 	subf	r6,r0,r6
 	srwi	r0,r4,2
+	andi.	r4,r4,3
 	mtctr	r0
-	bdz	6f
+	bdz	7f
 1:	stwu	r5,4(r6)
 	bdnz	1b
-6:	andi.	r4,r4,3
 	/* clear byte sized chunks */
 7:	cmpwi	0,r4,0
 	beqlr
@@ -517,14 +517,20 @@
 8:	stbu	r5,1(r6)
 	bdnz	8b
 	blr
-99:	li	r3,-EFAULT
+90:	mr	r3,r4
+	blr
+91:	mfctr	r3
+	slwi	r3,r3,2
+	add	r3,r3,r4
+	blr
+92:	mfctr	r3
 	blr
 
 	.section __ex_table,"a"
 	.align	3
-	.llong	11b,99b
-	.llong	1b,99b
-	.llong	8b,99b
+	.llong	11b,90b
+	.llong	1b,91b
+	.llong	8b,92b
 	.text
 
 _GLOBAL(__strncpy_from_user)