diff options
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 + |