diff options
| author | Chris Zankel <czankel@tensilica.com> | 2005-06-23 22:01:12 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@ppc970.osdl.org> | 2005-06-24 00:05:21 -0700 |
| commit | 4bedea94545165364618d403d03b61d797acba0b (patch) | |
| tree | 04626bb71e0fb5ea5c5d5aa4fedc813301bea6a6 /arch/xtensa/boot/lib/memcpy.S | |
| parent | 8e1a6dd2fddcc73c9e933758361e3d9c076c688a (diff) | |
[PATCH] xtensa: Architecture support for Tensilica Xtensa Part 2
The attached patches provides part 2 of an architecture implementation for the
Tensilica Xtensa CPU series.
Signed-off-by: Chris Zankel <chris@zankel.net>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>
Diffstat (limited to 'arch/xtensa/boot/lib/memcpy.S')
| -rw-r--r-- | arch/xtensa/boot/lib/memcpy.S | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/xtensa/boot/lib/memcpy.S b/arch/xtensa/boot/lib/memcpy.S new file mode 100644 index 00000000000..a029f5df2d5 --- /dev/null +++ b/arch/xtensa/boot/lib/memcpy.S @@ -0,0 +1,36 @@ +/* + * arch/xtensa/lib/memcpy.S + * + * ANSI C standard library function memcpy + * + * This file is subject to the terms and conditions of the GNU General + * Public License. See the file "COPYING" in the main directory of + * this archive for more details. + * + * Copyright (C) 2002 Tensilica Inc. + */ + +#define _ASMLANGUAGE +#include <xtensa/config/core.h> + +.text +.align 4 +.global bcopy +.type bcopy,@function +bcopy: + movi a14, xthal_bcopy // a14 safe to use regardless of whether caller + // used call4 or call8 (can't have used call12) + jx a14 // let the Core HAL do the work + +.text +.align 4 +.global memcpy +.type memcpy,@function +memcpy: +.global memmove +.type memmove,@function +memmove: + movi a14, xthal_memcpy // a14 safe to use regardless of whether caller + // used call4 or call8 (can't have used call12) + jx a14 // let the Core HAL do the work + |