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| author | David Vrabel <david.vrabel@csr.com> | 2009-01-02 14:17:13 +0100 |
|---|---|---|
| committer | David Vrabel <david.vrabel@csr.com> | 2009-01-02 14:17:13 +0100 |
| commit | b21a207141d83a06abc5f492b80204602e02ca44 (patch) | |
| tree | f0152cde543008c72d7eb5c12c18095ad92785e6 /arch/sh/lib64/strlen.S | |
| parent | uwb: remove beacon cache entry after calling uwb_notify() (diff) | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/vir... (diff) | |
| download | linux-b21a207141d83a06abc5f492b80204602e02ca44.tar.xz linux-b21a207141d83a06abc5f492b80204602e02ca44.zip | |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6 into for-upstream
Conflicts:
drivers/uwb/wlp/eda.c
Diffstat (limited to 'arch/sh/lib64/strlen.S')
| -rw-r--r-- | arch/sh/lib64/strlen.S | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/sh/lib64/strlen.S b/arch/sh/lib64/strlen.S new file mode 100644 index 000000000000..cbc0d912e5f3 --- /dev/null +++ b/arch/sh/lib64/strlen.S @@ -0,0 +1,33 @@ +/* + * Simplistic strlen() implementation for SHmedia. + * + * Copyright (C) 2003 Paul Mundt <lethal@linux-sh.org> + */ + + .section .text..SHmedia32,"ax" + .globl strlen + .type strlen,@function + + .balign 16 +strlen: + ptabs r18, tr4 + + /* + * Note: We could easily deal with the NULL case here with a simple + * sanity check, though it seems that the behavior we want is to fault + * in the event that r2 == NULL, so we don't bother. + */ +/* beqi r2, 0, tr4 */ ! Sanity check + + movi -1, r0 + pta/l loop, tr0 +loop: + ld.b r2, 0, r1 + addi r2, 1, r2 + addi r0, 1, r0 + bnei/l r1, 0, tr0 + + or r0, r63, r2 + blink tr4, r63 + + .size strlen,.-strlen |