diff options
Diffstat (limited to 'arch/sh/include/asm/bl_bit_64.h')
-rw-r--r-- | arch/sh/include/asm/bl_bit_64.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/arch/sh/include/asm/bl_bit_64.h b/arch/sh/include/asm/bl_bit_64.h new file mode 100644 index 000000000000..6cc8711af435 --- /dev/null +++ b/arch/sh/include/asm/bl_bit_64.h @@ -0,0 +1,40 @@ +/* + * Copyright (C) 2000, 2001 Paolo Alberelli + * Copyright (C) 2003 Paul Mundt + * Copyright (C) 2004 Richard Curnow + * + * 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. + */ +#ifndef __ASM_SH_BL_BIT_64_H +#define __ASM_SH_BL_BIT_64_H + +#include <asm/processor.h> + +#define SR_BL_LL 0x0000000010000000LL + +static inline void set_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "or %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); + +} + +static inline void clear_bl_bit(void) +{ + unsigned long long __dummy0, __dummy1 = ~SR_BL_LL; + + __asm__ __volatile__("getcon " __SR ", %0\n\t" + "and %0, %1, %0\n\t" + "putcon %0, " __SR "\n\t" + : "=&r" (__dummy0) + : "r" (__dummy1)); +} + +#endif /* __ASM_SH_BL_BIT_64_H */ |