diff options
Diffstat (limited to 'arch/i386/boot/copy.S')
-rw-r--r-- | arch/i386/boot/copy.S | 101 |
1 files changed, 0 insertions, 101 deletions
diff --git a/arch/i386/boot/copy.S b/arch/i386/boot/copy.S deleted file mode 100644 index ef127e56a3c..00000000000 --- a/arch/i386/boot/copy.S +++ /dev/null @@ -1,101 +0,0 @@ -/* ----------------------------------------------------------------------- * - * - * Copyright (C) 1991, 1992 Linus Torvalds - * Copyright 2007 rPath, Inc. - All Rights Reserved - * - * This file is part of the Linux kernel, and is made available under - * the terms of the GNU General Public License version 2. - * - * ----------------------------------------------------------------------- */ - -/* - * arch/i386/boot/copy.S - * - * Memory copy routines - */ - - .code16gcc - .text - - .globl memcpy - .type memcpy, @function -memcpy: - pushw %si - pushw %di - movw %ax, %di - movw %dx, %si - pushw %cx - shrw $2, %cx - rep; movsl - popw %cx - andw $3, %cx - rep; movsb - popw %di - popw %si - ret - .size memcpy, .-memcpy - - .globl memset - .type memset, @function -memset: - pushw %di - movw %ax, %di - movzbl %dl, %eax - imull $0x01010101,%eax - pushw %cx - shrw $2, %cx - rep; stosl - popw %cx - andw $3, %cx - rep; stosb - popw %di - ret - .size memset, .-memset - - .globl copy_from_fs - .type copy_from_fs, @function -copy_from_fs: - pushw %ds - pushw %fs - popw %ds - call memcpy - popw %ds - ret - .size copy_from_fs, .-copy_from_fs - - .globl copy_to_fs - .type copy_to_fs, @function -copy_to_fs: - pushw %es - pushw %fs - popw %es - call memcpy - popw %es - ret - .size copy_to_fs, .-copy_to_fs - -#if 0 /* Not currently used, but can be enabled as needed */ - - .globl copy_from_gs - .type copy_from_gs, @function -copy_from_gs: - pushw %ds - pushw %gs - popw %ds - call memcpy - popw %ds - ret - .size copy_from_gs, .-copy_from_gs - .globl copy_to_gs - - .type copy_to_gs, @function -copy_to_gs: - pushw %es - pushw %gs - popw %es - call memcpy - popw %es - ret - .size copy_to_gs, .-copy_to_gs - -#endif |