diff options
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/lib/putuser.S')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/lib/putuser.S | 98 |
1 files changed, 0 insertions, 98 deletions
diff --git a/ANDROID_3.4.5/arch/arm/lib/putuser.S b/ANDROID_3.4.5/arch/arm/lib/putuser.S deleted file mode 100644 index 3d73dcb9..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/putuser.S +++ /dev/null @@ -1,98 +0,0 @@ -/* - * linux/arch/arm/lib/putuser.S - * - * Copyright (C) 2001 Russell King - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - * - * Idea from x86 version, (C) Copyright 1998 Linus Torvalds - * - * These functions have a non-standard call interface to make - * them more efficient, especially as they return an error - * value in addition to the "real" return value. - * - * __put_user_X - * - * Inputs: r0 contains the address - * r1 contains the address limit, which must be preserved - * r2, r3 contains the value - * Outputs: r0 is the error code - * lr corrupted - * - * No other registers must be altered. (see <asm/uaccess.h> - * for specific ASM register usage). - * - * Note that ADDR_LIMIT is either 0 or 0xc0000000 - * Note also that it is intended that __put_user_bad is not global. - */ -#include <linux/linkage.h> -#include <asm/assembler.h> -#include <asm/errno.h> -#include <asm/domain.h> - -ENTRY(__put_user_1) - check_uaccess r0, 1, r1, ip, __put_user_bad -1: TUSER(strb) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_1) - -ENTRY(__put_user_2) - check_uaccess r0, 2, r1, ip, __put_user_bad - mov ip, r2, lsr #8 -#ifdef CONFIG_THUMB2_KERNEL -#ifndef __ARMEB__ -2: TUSER(strb) r2, [r0] -3: TUSER(strb) ip, [r0, #1] -#else -2: TUSER(strb) ip, [r0] -3: TUSER(strb) r2, [r0, #1] -#endif -#else /* !CONFIG_THUMB2_KERNEL */ -#ifndef __ARMEB__ -2: TUSER(strb) r2, [r0], #1 -3: TUSER(strb) ip, [r0] -#else -2: TUSER(strb) ip, [r0], #1 -3: TUSER(strb) r2, [r0] -#endif -#endif /* CONFIG_THUMB2_KERNEL */ - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_2) - -ENTRY(__put_user_4) - check_uaccess r0, 4, r1, ip, __put_user_bad -4: TUSER(str) r2, [r0] - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_4) - -ENTRY(__put_user_8) - check_uaccess r0, 8, r1, ip, __put_user_bad -#ifdef CONFIG_THUMB2_KERNEL -5: TUSER(str) r2, [r0] -6: TUSER(str) r3, [r0, #4] -#else -5: TUSER(str) r2, [r0], #4 -6: TUSER(str) r3, [r0] -#endif - mov r0, #0 - mov pc, lr -ENDPROC(__put_user_8) - -__put_user_bad: - mov r0, #-EFAULT - mov pc, lr -ENDPROC(__put_user_bad) - -.pushsection __ex_table, "a" - .long 1b, __put_user_bad - .long 2b, __put_user_bad - .long 3b, __put_user_bad - .long 4b, __put_user_bad - .long 5b, __put_user_bad - .long 6b, __put_user_bad -.popsection |