| #ifndef __ASM_SH_UACCESS_64_H |
| #define __ASM_SH_UACCESS_64_H |
| |
| /* |
| * include/asm-sh/uaccess_64.h |
| * |
| * Copyright (C) 2000, 2001 Paolo Alberelli |
| * Copyright (C) 2003, 2004 Paul Mundt |
| * |
| * User space memory access functions |
| * |
| * Copyright (C) 1999 Niibe Yutaka |
| * |
| * Based on: |
| * MIPS implementation version 1.15 by |
| * Copyright (C) 1996, 1997, 1998 by Ralf Baechle |
| * and i386 version. |
| * |
| * This file is subject to the terms and conditions of the GNU General Public |
| * License. See the file "COPYING" in the main directory of this archive |
| * for more details. |
| */ |
| |
| #define __get_user_size(x,ptr,size,retval) \ |
| do { \ |
| retval = 0; \ |
| switch (size) { \ |
| case 1: \ |
| retval = __get_user_asm_b((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 2: \ |
| retval = __get_user_asm_w((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 4: \ |
| retval = __get_user_asm_l((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 8: \ |
| retval = __get_user_asm_q((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| default: \ |
| __get_user_unknown(); \ |
| break; \ |
| } \ |
| } while (0) |
| |
| extern long __get_user_asm_b(void *, long); |
| extern long __get_user_asm_w(void *, long); |
| extern long __get_user_asm_l(void *, long); |
| extern long __get_user_asm_q(void *, long); |
| extern void __get_user_unknown(void); |
| |
| #define __put_user_size(x,ptr,size,retval) \ |
| do { \ |
| retval = 0; \ |
| switch (size) { \ |
| case 1: \ |
| retval = __put_user_asm_b((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 2: \ |
| retval = __put_user_asm_w((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 4: \ |
| retval = __put_user_asm_l((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| case 8: \ |
| retval = __put_user_asm_q((void *)&x, \ |
| (long)ptr); \ |
| break; \ |
| default: \ |
| __put_user_unknown(); \ |
| } \ |
| } while (0) |
| |
| extern long __put_user_asm_b(void *, long); |
| extern long __put_user_asm_w(void *, long); |
| extern long __put_user_asm_l(void *, long); |
| extern long __put_user_asm_q(void *, long); |
| extern void __put_user_unknown(void); |
| |
| #endif /* __ASM_SH_UACCESS_64_H */ |