fedora core 6 1.2949 + vserver 2.2.0

[linux-2.6.git] / arch / ppc / lib / string.S

diff --git a/arch/ppc/lib/string.S b/arch/ppc/lib/string.S
index 2b60910..84ed33a 100644 (file)
--- a/arch/ppc/lib/string.S
+++ b/arch/ppc/lib/string.S
@@ -8,7 +8,6 @@
  * as published by the Free Software Foundation; either version
  * 2 of the License, or (at your option) any later version.
  */
-#include <linux/config.h>
 #include <asm/processor.h>
 #include <asm/cache.h>
 #include <asm/errno.h>
@@ -65,9 +64,9 @@
        .stabs  "arch/ppc/lib/",N_SO,0,0,0f
        .stabs  "string.S",N_SO,0,0,0f
 
-CACHELINE_BYTES = L1_CACHE_LINE_SIZE
-LG_CACHELINE_BYTES = LG_L1_CACHE_LINE_SIZE
-CACHELINE_MASK = (L1_CACHE_LINE_SIZE-1)
+CACHELINE_BYTES = L1_CACHE_BYTES
+LG_CACHELINE_BYTES = L1_CACHE_SHIFT
+CACHELINE_MASK = (L1_CACHE_BYTES-1)
 
 _GLOBAL(strcpy)
        addi    r5,r3,-1
@@ -216,12 +215,6 @@ _GLOBAL(memset)
        bdnz    8b
        blr
 
-_GLOBAL(bcopy)
-       mr      r6,r3
-       mr      r3,r4
-       mr      r4,r6
-       b       memcpy
-
 /*
  * This version uses dcbz on the complete cache lines in the
  * destination area to reduce memory traffic.  This requires that
@@ -271,12 +264,12 @@ _GLOBAL(cacheable_memcpy)
        dcbz    r11,r6
 #endif
        COPY_16_BYTES
-#if L1_CACHE_LINE_SIZE >= 32
+#if L1_CACHE_BYTES >= 32
        COPY_16_BYTES
-#if L1_CACHE_LINE_SIZE >= 64
+#if L1_CACHE_BYTES >= 64
        COPY_16_BYTES
        COPY_16_BYTES
-#if L1_CACHE_LINE_SIZE >= 128
+#if L1_CACHE_BYTES >= 128
        COPY_16_BYTES
        COPY_16_BYTES
        COPY_16_BYTES
@@ -452,6 +445,7 @@ _GLOBAL(__copy_tofrom_user)
 #ifdef CONFIG_8xx
        /* Don't use prefetch on 8xx */
        mtctr   r0
+       li      r0,0
 53:    COPY_16_BYTES_WITHEX(0)
        bdnz    53b
 
@@ -490,12 +484,12 @@ _GLOBAL(__copy_tofrom_user)
        .text
 /* the main body of the cacheline loop */
        COPY_16_BYTES_WITHEX(0)
-#if L1_CACHE_LINE_SIZE >= 32
+#if L1_CACHE_BYTES >= 32
        COPY_16_BYTES_WITHEX(1)
-#if L1_CACHE_LINE_SIZE >= 64
+#if L1_CACHE_BYTES >= 64
        COPY_16_BYTES_WITHEX(2)
        COPY_16_BYTES_WITHEX(3)
-#if L1_CACHE_LINE_SIZE >= 128
+#if L1_CACHE_BYTES >= 128
        COPY_16_BYTES_WITHEX(4)
        COPY_16_BYTES_WITHEX(5)
        COPY_16_BYTES_WITHEX(6)
@@ -549,12 +543,12 @@ _GLOBAL(__copy_tofrom_user)
  * 104f (if in read part) or 105f (if in write part), after updating r5
  */
        COPY_16_BYTES_EXCODE(0)
-#if L1_CACHE_LINE_SIZE >= 32
+#if L1_CACHE_BYTES >= 32
        COPY_16_BYTES_EXCODE(1)
-#if L1_CACHE_LINE_SIZE >= 64
+#if L1_CACHE_BYTES >= 64
        COPY_16_BYTES_EXCODE(2)
        COPY_16_BYTES_EXCODE(3)
-#if L1_CACHE_LINE_SIZE >= 128
+#if L1_CACHE_BYTES >= 128
        COPY_16_BYTES_EXCODE(4)
        COPY_16_BYTES_EXCODE(5)
        COPY_16_BYTES_EXCODE(6)
@@ -570,7 +564,9 @@ _GLOBAL(__copy_tofrom_user)
 /* or write fault in cacheline loop */
 105:   li      r9,1
 92:    li      r3,LG_CACHELINE_BYTES
-       b       99f
+       mfctr   r8
+       add     r0,r0,r8
+       b       106f
 /* read fault in final word loop */
 108:   li      r9,0
        b       93f
@@ -591,7 +587,7 @@ _GLOBAL(__copy_tofrom_user)
  * r5 + (ctr << r3), and r9 is 0 for read or 1 for write.
  */
 99:    mfctr   r0
-       slw     r3,r0,r3
+106:   slw     r3,r0,r3
        add.    r3,r3,r5
        beq     120f                    /* shouldn't happen */
        cmpwi   0,r9,0