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-rw-r--r--ANDROID_3.4.5/arch/hexagon/mm/copy_to_user.S92
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