projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| a23ba435 PM |
1 | #ifndef __ASM_SH_UACCESS_64_H |
| 2 | #define __ASM_SH_UACCESS_64_H | |
| 1da177e4 LT |
3 | |
| 4 | /* | |
| a23ba435 | 5 | * include/asm-sh/uaccess_64.h |
| 1da177e4 LT |
6 | * |
| 7 | * Copyright (C) 2000, 2001 Paolo Alberelli | |
| 8 | * Copyright (C) 2003, 2004 Paul Mundt | |
| 9 | * | |
| 10 | * User space memory access functions | |
| 11 | * | |
| 12 | * Copyright (C) 1999 Niibe Yutaka | |
| 13 | * | |
| 14 | * Based on: | |
| 15 | * MIPS implementation version 1.15 by | |
| 16 | * Copyright (C) 1996, 1997, 1998 by Ralf Baechle | |
| 17 | * and i386 version. | |
| 18 | * | |
| a23ba435 PM |
19 | * This file is subject to the terms and conditions of the GNU General Public |
| 20 | * License. See the file "COPYING" in the main directory of this archive | |
| 21 | * for more details. | |
| 1da177e4 | 22 | */ |
| 1da177e4 LT |
23 | |
| 24 | #define __get_user_size(x,ptr,size,retval) \ | |
| 25 | do { \ | |
| 26 | retval = 0; \ | |
| 27 | switch (size) { \ | |
| 28 | case 1: \ | |
| 29 | retval = __get_user_asm_b(x, ptr); \ | |
| 30 | break; \ | |
| 31 | case 2: \ | |
| 32 | retval = __get_user_asm_w(x, ptr); \ | |
| 33 | break; \ | |
| 34 | case 4: \ | |
| 35 | retval = __get_user_asm_l(x, ptr); \ | |
| 36 | break; \ | |
| 37 | case 8: \ | |
| 38 | retval = __get_user_asm_q(x, ptr); \ | |
| 39 | break; \ | |
| 40 | default: \ | |
| 41 | __get_user_unknown(); \ | |
| 42 | break; \ | |
| 43 | } \ | |
| 44 | } while (0) | |
| 45 | ||
| 1da177e4 LT |
46 | extern long __get_user_asm_b(void *, long); |
| 47 | extern long __get_user_asm_w(void *, long); | |
| 48 | extern long __get_user_asm_l(void *, long); | |
| 49 | extern long __get_user_asm_q(void *, long); | |
| 50 | extern void __get_user_unknown(void); | |
| 51 | ||
| 52 | #define __put_user_size(x,ptr,size,retval) \ | |
| 53 | do { \ | |
| 54 | retval = 0; \ | |
| 55 | switch (size) { \ | |
| 56 | case 1: \ | |
| 57 | retval = __put_user_asm_b(x, ptr); \ | |
| 58 | break; \ | |
| 59 | case 2: \ | |
| 60 | retval = __put_user_asm_w(x, ptr); \ | |
| 61 | break; \ | |
| 62 | case 4: \ | |
| 63 | retval = __put_user_asm_l(x, ptr); \ | |
| 64 | break; \ | |
| 65 | case 8: \ | |
| 66 | retval = __put_user_asm_q(x, ptr); \ | |
| 67 | break; \ | |
| 68 | default: \ | |
| 69 | __put_user_unknown(); \ | |
| 70 | } \ | |
| 71 | } while (0) | |
| 72 | ||
| 1da177e4 LT |
73 | extern long __put_user_asm_b(void *, long); |
| 74 | extern long __put_user_asm_w(void *, long); | |
| 75 | extern long __put_user_asm_l(void *, long); | |
| 76 | extern long __put_user_asm_q(void *, long); | |
| 77 | extern void __put_user_unknown(void); | |
| 78 | ||
| a23ba435 | 79 | #endif /* __ASM_SH_UACCESS_64_H */ |