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Diffstat (limited to 'arch/powerpc/lib/copy_32.S')
| -rw-r--r-- | arch/powerpc/lib/copy_32.S | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/arch/powerpc/lib/copy_32.S b/arch/powerpc/lib/copy_32.S index 8aedbb5f4b86..a14d4df2ebc9 100644 --- a/arch/powerpc/lib/copy_32.S +++ b/arch/powerpc/lib/copy_32.S @@ -67,6 +67,20 @@ CACHELINE_BYTES = L1_CACHE_BYTES LG_CACHELINE_BYTES = L1_CACHE_SHIFT CACHELINE_MASK = (L1_CACHE_BYTES-1) +_GLOBAL(memset16) + rlwinm. r0 ,r5, 31, 1, 31 + addi r6, r3, -4 + beq- 2f + rlwimi r4 ,r4 ,16 ,0 ,15 + mtctr r0 +1: stwu r4, 4(r6) + bdnz 1b +2: andi. r0, r5, 1 + beqlr + sth r4, 4(r6) + blr +EXPORT_SYMBOL(memset16) + /* * Use dcbz on the complete cache lines in the destination * to set them to zero. This requires that the destination |