mirror of
https://mirrors.bfsu.edu.cn/git/linux.git
synced 2024-12-15 23:14:31 +08:00
09831ca734
Original port to early 2.6 kernel using TI COFF toolchain. Brought up to date by Mark Salter <msalter@redhat.com> Signed-off-by: Aurelien Jacquiot <a-jacquiot@ti.com> Signed-off-by: Mark Salter <msalter@redhat.com> Acked-by: Arnd Bergmann <arnd@arndb.de>
90 lines
2.3 KiB
ArmAsm
90 lines
2.3 KiB
ArmAsm
;; Copyright 2010 Free Software Foundation, Inc.
|
|
;; Contributed by Bernd Schmidt <bernds@codesourcery.com>.
|
|
;;
|
|
;; This program is free software; you can redistribute it and/or modify
|
|
;; it under the terms of the GNU General Public License as published by
|
|
;; the Free Software Foundation; either version 2 of the License, or
|
|
;; (at your option) any later version.
|
|
;;
|
|
;; This program is distributed in the hope that it will be useful,
|
|
;; but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
;; GNU General Public License for more details.
|
|
;;
|
|
;; You should have received a copy of the GNU General Public License
|
|
;; along with this program; if not, write to the Free Software
|
|
;; Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
|
|
|
|
#include <linux/linkage.h>
|
|
|
|
.text
|
|
|
|
ENTRY(__c6xabi_strasgi)
|
|
;; This is essentially memcpy, with alignment known to be at least
|
|
;; 4, and the size a multiple of 4 greater than or equal to 28.
|
|
ldw .d2t1 *B4++, A0
|
|
|| mvk .s2 16, B1
|
|
ldw .d2t1 *B4++, A1
|
|
|| mvk .s2 20, B2
|
|
|| sub .d1 A6, 24, A6
|
|
ldw .d2t1 *B4++, A5
|
|
ldw .d2t1 *B4++, A7
|
|
|| mv .l2x A6, B7
|
|
ldw .d2t1 *B4++, A8
|
|
ldw .d2t1 *B4++, A9
|
|
|| mv .s2x A0, B5
|
|
|| cmpltu .l2 B2, B7, B0
|
|
|
|
_strasgi_loop:
|
|
stw .d1t2 B5, *A4++
|
|
|| [B0] ldw .d2t1 *B4++, A0
|
|
|| mv .s2x A1, B5
|
|
|| mv .l2 B7, B6
|
|
|
|
[B0] sub .d2 B6, 24, B7
|
|
|| [B0] b .s2 _strasgi_loop
|
|
|| cmpltu .l2 B1, B6, B0
|
|
|
|
[B0] ldw .d2t1 *B4++, A1
|
|
|| stw .d1t2 B5, *A4++
|
|
|| mv .s2x A5, B5
|
|
|| cmpltu .l2 12, B6, B0
|
|
|
|
[B0] ldw .d2t1 *B4++, A5
|
|
|| stw .d1t2 B5, *A4++
|
|
|| mv .s2x A7, B5
|
|
|| cmpltu .l2 8, B6, B0
|
|
|
|
[B0] ldw .d2t1 *B4++, A7
|
|
|| stw .d1t2 B5, *A4++
|
|
|| mv .s2x A8, B5
|
|
|| cmpltu .l2 4, B6, B0
|
|
|
|
[B0] ldw .d2t1 *B4++, A8
|
|
|| stw .d1t2 B5, *A4++
|
|
|| mv .s2x A9, B5
|
|
|| cmpltu .l2 0, B6, B0
|
|
|
|
[B0] ldw .d2t1 *B4++, A9
|
|
|| stw .d1t2 B5, *A4++
|
|
|| mv .s2x A0, B5
|
|
|| cmpltu .l2 B2, B7, B0
|
|
|
|
;; loop back branch happens here
|
|
|
|
cmpltu .l2 B1, B6, B0
|
|
|| ret .s2 b3
|
|
|
|
[B0] stw .d1t1 A1, *A4++
|
|
|| cmpltu .l2 12, B6, B0
|
|
[B0] stw .d1t1 A5, *A4++
|
|
|| cmpltu .l2 8, B6, B0
|
|
[B0] stw .d1t1 A7, *A4++
|
|
|| cmpltu .l2 4, B6, B0
|
|
[B0] stw .d1t1 A8, *A4++
|
|
|| cmpltu .l2 0, B6, B0
|
|
[B0] stw .d1t1 A9, *A4++
|
|
|
|
;; return happens here
|
|
ENDPROC(__c6xabi_strasgi)
|