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author | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
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committer | Srikant Patnaik | 2015-01-11 12:28:04 +0530 |
commit | 871480933a1c28f8a9fed4c4d34d06c439a7a422 (patch) | |
tree | 8718f573808810c2a1e8cb8fb6ac469093ca2784 /ANDROID_3.4.5/arch/arm/lib/copy_from_user.S | |
parent | 9d40ac5867b9aefe0722bc1f110b965ff294d30d (diff) | |
download | FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.gz FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.tar.bz2 FOSSEE-netbook-kernel-source-871480933a1c28f8a9fed4c4d34d06c439a7a422.zip |
Moved, renamed, and deleted files
The original directory structure was scattered and unorganized.
Changes are basically to make it look like kernel structure.
Diffstat (limited to 'ANDROID_3.4.5/arch/arm/lib/copy_from_user.S')
-rw-r--r-- | ANDROID_3.4.5/arch/arm/lib/copy_from_user.S | 104 |
1 files changed, 0 insertions, 104 deletions
diff --git a/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S b/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S deleted file mode 100644 index 66a477a3..00000000 --- a/ANDROID_3.4.5/arch/arm/lib/copy_from_user.S +++ /dev/null @@ -1,104 +0,0 @@ -/* - * linux/arch/arm/lib/copy_from_user.S - * - * Author: Nicolas Pitre - * Created: Sep 29, 2005 - * Copyright: MontaVista Software, Inc. - * - * 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. - */ - -#include <linux/linkage.h> -#include <asm/assembler.h> - -/* - * Prototype: - * - * size_t __copy_from_user(void *to, const void *from, size_t n) - * - * Purpose: - * - * copy a block to kernel memory from user memory - * - * Params: - * - * to = kernel memory - * from = user memory - * n = number of bytes to copy - * - * Return value: - * - * Number of bytes NOT copied. - */ - -#ifndef CONFIG_THUMB2_KERNEL -#define LDR1W_SHIFT 0 -#else -#define LDR1W_SHIFT 1 -#endif -#define STR1W_SHIFT 0 - - .macro ldr1w ptr reg abort - ldrusr \reg, \ptr, 4, abort=\abort - .endm - - .macro ldr4w ptr reg1 reg2 reg3 reg4 abort - ldr1w \ptr, \reg1, \abort - ldr1w \ptr, \reg2, \abort - ldr1w \ptr, \reg3, \abort - ldr1w \ptr, \reg4, \abort - .endm - - .macro ldr8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - ldr4w \ptr, \reg1, \reg2, \reg3, \reg4, \abort - ldr4w \ptr, \reg5, \reg6, \reg7, \reg8, \abort - .endm - - .macro ldr1b ptr reg cond=al abort - ldrusr \reg, \ptr, 1, \cond, abort=\abort - .endm - - .macro str1w ptr reg abort - W(str) \reg, [\ptr], #4 - .endm - - .macro str8w ptr reg1 reg2 reg3 reg4 reg5 reg6 reg7 reg8 abort - stmia \ptr!, {\reg1, \reg2, \reg3, \reg4, \reg5, \reg6, \reg7, \reg8} - .endm - - .macro str1b ptr reg cond=al abort - str\cond\()b \reg, [\ptr], #1 - .endm - - .macro enter reg1 reg2 - mov r3, #0 - stmdb sp!, {r0, r2, r3, \reg1, \reg2} - .endm - - .macro exit reg1 reg2 - add sp, sp, #8 - ldmfd sp!, {r0, \reg1, \reg2} - .endm - - .text - -ENTRY(__copy_from_user) - -#include "copy_template.S" - -ENDPROC(__copy_from_user) - - .pushsection .fixup,"ax" - .align 0 - copy_abort_preamble - ldmfd sp!, {r1, r2} - sub r3, r0, r1 - rsb r1, r3, r2 - str r1, [sp] - bl __memzero - ldr r0, [sp], #4 - copy_abort_end - .popsection - |