diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S')
-rw-r--r-- | ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S | 92 |
1 files changed, 0 insertions, 92 deletions
diff --git a/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S b/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S deleted file mode 100644 index cb9740ed..00000000 --- a/ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S +++ /dev/null @@ -1,92 +0,0 @@ -/* - * User memory copying routines for the Hexagon Kernel - * - * Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 and - * only version 2 as published by the Free Software Foundation. - * - * 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., 51 Franklin Street, Fifth Floor, Boston, MA - * 02110-1301, USA. - */ - -/* The right way to do this involves valignb - * The easy way to do this is only speed up src/dest similar alignment. - */ - -/* - * Copy to/from user are the same, except that for packets with a load and - * a store, I don't know how to tell which kind of exception we got. - * Therefore, we duplicate the function, and handle faulting addresses - * differently for each function - */ - -/* - * copy to user: stores can fault - */ -#define src_sav r13 -#define dst_sav r12 -#define src_dst_sav r13:12 -#define d_dbuf r15:14 -#define w_dbuf r15 - -#define dst r0 -#define src r1 -#define bytes r2 -#define loopcount r5 - -#define FUNCNAME __copy_to_user_hexagon -#include "copy_user_template.S" - - /* STORE FAULTS from COPY_TO_USER */ - .falign -1109: -2109: -4109: - /* Alignment loop. r2 has been updated. Return it. */ - { - r0 = r2 - jumpr r31 - } - /* Normal copy loops. Use dst-dst_sav to compute distance */ - /* dst holds best write, no need to unwind any loops */ - /* X - (A - B) == X + B - A */ - .falign -8189: -8199: -4189: -4199: -2189: -2199: -1189: -1199: - { - r2 += sub(dst_sav,dst) - } - { - r0 = r2 - jumpr r31 - } - - /* COPY TO USER: only stores can fail */ - .section __ex_table,"a" - .long 1100b,1109b - .long 2100b,2109b - .long 4100b,4109b - .long 8180b,8189b - .long 8190b,8199b - .long 4180b,4189b - .long 4190b,4199b - .long 2180b,2189b - .long 2190b,2199b - .long 1180b,1189b - .long 1190b,1199b - .previous |