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| author | Russell King <rmk@dyn-67.arm.linux.org.uk> | 2008-08-07 12:55:03 +0400 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2008-08-07 12:55:03 +0400 |
| commit | 4fb8af10d0fd09372d52966b76922b9e82bbc950 (patch) | |
| tree | d240e4d40357583e3f3eb228dccf20122a5b31ed /arch/sh/include/asm/uaccess_64.h | |
| parent | f44f82e8a20b98558486eb14497b2f71c78fa325 (diff) | |
| parent | 64a99d2a8c3ed5c4e39f3ae1cc682aa8fd3977fc (diff) | |
| download | linux-4fb8af10d0fd09372d52966b76922b9e82bbc950.tar.xz | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/sam/kbuild-fixes
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 000000000000..81b3d515fcb3 --- /dev/null +++ b/arch/sh/include/asm/uaccess_64.h @@ -0,0 +1,79 @@ +#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(x, ptr); \ + break; \ + case 2: \ + retval = __get_user_asm_w(x, ptr); \ + break; \ + case 4: \ + retval = __get_user_asm_l(x, ptr); \ + break; \ + case 8: \ + retval = __get_user_asm_q(x, 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(x, ptr); \ + break; \ + case 2: \ + retval = __put_user_asm_w(x, ptr); \ + break; \ + case 4: \ + retval = __put_user_asm_l(x, ptr); \ + break; \ + case 8: \ + retval = __put_user_asm_q(x, 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 */ |