Linux Kernel  3.7.1
 All Data Structures Namespaces Files Functions Variables Typedefs Enumerations Enumerator Macros Groups Pages
bl_bit_64.h
Go to the documentation of this file.
1 /*
2  * Copyright (C) 2000, 2001 Paolo Alberelli
3  * Copyright (C) 2003 Paul Mundt
4  * Copyright (C) 2004 Richard Curnow
5  *
6  * This file is subject to the terms and conditions of the GNU General Public
7  * License. See the file "COPYING" in the main directory of this archive
8  * for more details.
9  */
10 #ifndef __ASM_SH_BL_BIT_64_H
11 #define __ASM_SH_BL_BIT_64_H
12 
13 #include <asm/processor.h>
14 
15 #define SR_BL_LL 0x0000000010000000LL
16 
17 static inline void set_bl_bit(void)
18 {
19  unsigned long long __dummy0, __dummy1 = SR_BL_LL;
20 
21  __asm__ __volatile__("getcon " __SR ", %0\n\t"
22  "or %0, %1, %0\n\t"
23  "putcon %0, " __SR "\n\t"
24  : "=&r" (__dummy0)
25  : "r" (__dummy1));
26 
27 }
28 
29 static inline void clear_bl_bit(void)
30 {
31  unsigned long long __dummy0, __dummy1 = ~SR_BL_LL;
32 
33  __asm__ __volatile__("getcon " __SR ", %0\n\t"
34  "and %0, %1, %0\n\t"
35  "putcon %0, " __SR "\n\t"
36  : "=&r" (__dummy0)
37  : "r" (__dummy1));
38 }
39 
40 #endif /* __ASM_SH_BL_BIT_64_H */