diff options
Diffstat (limited to 'arch/arm64/lib/copy_in_user.S')
| -rw-r--r-- | arch/arm64/lib/copy_in_user.S | 70 |
1 files changed, 0 insertions, 70 deletions
diff --git a/arch/arm64/lib/copy_in_user.S b/arch/arm64/lib/copy_in_user.S deleted file mode 100644 index 3d8153a1ebce..000000000000 --- a/arch/arm64/lib/copy_in_user.S +++ /dev/null @@ -1,70 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ -/* - * Copy from user space to user space - * - * Copyright (C) 2012 ARM Ltd. - */ - -#include <linux/linkage.h> - -#include <asm/asm-uaccess.h> -#include <asm/assembler.h> -#include <asm/cache.h> - -/* - * Copy from user space to user space (alignment handled by the hardware) - * - * Parameters: - * x0 - to - * x1 - from - * x2 - n - * Returns: - * x0 - bytes not copied - */ - .macro ldrb1 ptr, regB, val - uao_user_alternative 9998f, ldrb, ldtrb, \ptr, \regB, \val - .endm - - .macro strb1 ptr, regB, val - uao_user_alternative 9998f, strb, sttrb, \ptr, \regB, \val - .endm - - .macro ldrh1 ptr, regB, val - uao_user_alternative 9998f, ldrh, ldtrh, \ptr, \regB, \val - .endm - - .macro strh1 ptr, regB, val - uao_user_alternative 9998f, strh, sttrh, \ptr, \regB, \val - .endm - - .macro ldr1 ptr, regB, val - uao_user_alternative 9998f, ldr, ldtr, \ptr, \regB, \val - .endm - - .macro str1 ptr, regB, val - uao_user_alternative 9998f, str, sttr, \ptr, \regB, \val - .endm - - .macro ldp1 ptr, regB, regC, val - uao_ldp 9998f, \ptr, \regB, \regC, \val - .endm - - .macro stp1 ptr, regB, regC, val - uao_stp 9998f, \ptr, \regB, \regC, \val - .endm - -end .req x5 - -ENTRY(__arch_copy_in_user) - add end, x0, x2 -#include "copy_template.S" - mov x0, #0 - ret -ENDPROC(__arch_copy_in_user) -EXPORT_SYMBOL(__arch_copy_in_user) - - .section .fixup,"ax" - .align 2 -9998: sub x0, end, dst // bytes not copied - ret - .previous |