diff options
Diffstat (limited to 'arch/sh/include/asm/uaccess_64.h')
| -rw-r--r-- | arch/sh/include/asm/uaccess_64.h | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/sh/include/asm/uaccess_64.h b/arch/sh/include/asm/uaccess_64.h new file mode 100644 index 00000000000..81b3d515fcb --- /dev/null +++ b/arch/sh/include/asm/uaccess_64.h | |||
| @@ -0,0 +1,79 @@ | |||
| 1 | #ifndef __ASM_SH_UACCESS_64_H | ||
| 2 | #define __ASM_SH_UACCESS_64_H | ||
| 3 | |||
| 4 | /* | ||
| 5 | * include/asm-sh/uaccess_64.h | ||
| 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 | * | ||
| 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. | ||
| 22 | */ | ||
| 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 | |||
| 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 | |||
| 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 | |||
| 79 | #endif /* __ASM_SH_UACCESS_64_H */ | ||