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author | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:39:19 -0800 |
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committer | Linus Torvalds <torvalds@linux-foundation.org> | 2008-12-28 11:39:19 -0800 |
commit | 81d6e59dabb1ae0c782e9eb7e3d88f699d25b314 (patch) | |
tree | 532afd14c119f1c95206ef0d23db9c4c26a0aa34 /arch/sh/lib64/strlen.S | |
parent | 4a6908a3a050aacc9c3a2f36b276b46c0629ad91 (diff) | |
parent | 59de580af1c2fd671b0cb27c41ff958859ae5288 (diff) |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6
* git://git.kernel.org/pub/scm/linux/kernel/git/lethal/sh-2.6: (132 commits)
sh: oprofile: Fix up the module build.
sh: add UIO support for JPU on SH7722.
serial: sh-sci: Fix up port pinmux for SH7366.
sh: mach-rsk: Use uImage generation by default for rsk7201/7203.
sh: mach-sh03: Fix up pata_platform build breakage.
sh: enable deferred io LCDC on Migo-R
video: sh_mobile_lcdcfb deferred io support
video: deferred io with physically contiguous memory
video: deferred io cleanup
video: fix deferred io fsync()
sh: add LCDC interrupt configuration to AP325 and Migo-R
sh_mobile_lcdc: use FB_SYS helpers instead of FB_CFB
sh: split coherent pages
sh: dma: Kill off ISA DMA wrapper.
sh: Conditionalize the code dumper on CONFIG_DUMP_CODE.
sh: Kill off the unused SH_ALPHANUMERIC debug option.
sh: Enable skipping of bss on debug platforms for sh32 also.
doc: Update sh cpufreq documentation.
sh: mrshpc_setup_windows() needs to be inline.
serial: sh-sci: sci_poll_get_char() is only used by CONFIG_CONSOLE_POLL.
...
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 00000000000..cbc0d912e5f --- /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 |