From 4bedea94545165364618d403d03b61d797acba0b Mon Sep 17 00:00:00 2001 From: Chris Zankel Date: Thu, 23 Jun 2005 22:01:12 -0700 Subject: [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 Signed-off-by: Andrew Morton Signed-off-by: Linus Torvalds --- arch/xtensa/boot/lib/memcpy.S | 36 ++++++++++++++++++++++++++++++++++++ 1 file changed, 36 insertions(+) create mode 100644 arch/xtensa/boot/lib/memcpy.S (limited to 'arch/xtensa/boot/lib/memcpy.S') diff --git a/arch/xtensa/boot/lib/memcpy.S b/arch/xtensa/boot/lib/memcpy.S new file mode 100644 index 000000000000..a029f5df2d5c --- /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 + +.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 + -- cgit v1.2.3