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| author | Andriy Skulysh | 2006-09-27 09:20:22 +0200 |
|---|---|---|
| committer | Paul Mundt | 2006-09-27 09:20:22 +0200 |
| commit | 3aa770e7972723f479122cf66b529017d2175289 (patch) | |
| tree | f70d870381cec8034693704e346c53b311db688f /include/asm-sh/system.h | |
| parent | sh: Free up some and document PTEL flags. (diff) | |
| download | kernel-qcow2-linux-3aa770e7972723f479122cf66b529017d2175289.tar.gz kernel-qcow2-linux-3aa770e7972723f479122cf66b529017d2175289.tar.xz kernel-qcow2-linux-3aa770e7972723f479122cf66b529017d2175289.zip | |
sh: APM/PM support.
This adds some simple PM stubs and the basic APM interfaces,
primarily for use by hp6xx, where the existing userland
expects it.
Signed-off-by: Andriy Skulysh <askulysh@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/system.h')
| -rw-r--r-- | include/asm-sh/system.h | 25 |
1 files changed, 25 insertions, 0 deletions
diff --git a/include/asm-sh/system.h b/include/asm-sh/system.h index bd7dc0554b11..477422afeb0d 100644 --- a/include/asm-sh/system.h +++ b/include/asm-sh/system.h @@ -172,6 +172,31 @@ static __inline__ void local_irq_disable(void) : "memory"); } +static __inline__ void set_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ("stc sr, %0\n\t" + "or %2, %0\n\t" + "and %3, %0\n\t" + "ldc %0, sr" + : "=&r" (__dummy0), "=r" (__dummy1) + : "r" (0x10000000), "r" (0xffffff0f) + : "memory"); +} + +static __inline__ void clear_bl_bit(void) +{ + unsigned long __dummy0, __dummy1; + + __asm__ __volatile__ ("stc sr, %0\n\t" + "and %2, %0\n\t" + "ldc %0, sr" + : "=&r" (__dummy0), "=r" (__dummy1) + : "1" (~0x10000000) + : "memory"); +} + #define local_save_flags(x) \ __asm__("stc sr, %0; and #0xf0, %0" : "=&z" (x) :/**/: "memory" ) |