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sh: APM/PM support.

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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>
This commit is contained in:
Andriy Skulysh
2006-09-27 16:20:22 +09:00
committed by Paul Mundt
parent ef48e8e349
commit 3aa770e797
21 changed files with 1124 additions and 22 deletions
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25
include/asm-sh/system.h
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@@ -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" )