52 lines
1.0 KiB
C
52 lines
1.0 KiB
C
|
/*
|
||
|
* SHmedia irqflags support
|
||
|
*
|
||
|
* Copyright (C) 2006 - 2009 Paul Mundt
|
||
|
*
|
||
|
* 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.
|
||
|
*/
|
||
|
#include <linux/irqflags.h>
|
||
|
#include <linux/module.h>
|
||
|
#include <cpu/registers.h>
|
||
|
|
||
|
void raw_local_irq_restore(unsigned long flags)
|
||
|
{
|
||
|
unsigned long long __dummy;
|
||
|
|
||
|
if (flags == RAW_IRQ_DISABLED) {
|
||
|
__asm__ __volatile__ (
|
||
|
"getcon " __SR ", %0\n\t"
|
||
|
"or %0, %1, %0\n\t"
|
||
|
"putcon %0, " __SR "\n\t"
|
||
|
: "=&r" (__dummy)
|
||
|
: "r" (RAW_IRQ_DISABLED)
|
||
|
);
|
||
|
} else {
|
||
|
__asm__ __volatile__ (
|
||
|
"getcon " __SR ", %0\n\t"
|
||
|
"and %0, %1, %0\n\t"
|
||
|
"putcon %0, " __SR "\n\t"
|
||
|
: "=&r" (__dummy)
|
||
|
: "r" (~RAW_IRQ_DISABLED)
|
||
|
);
|
||
|
}
|
||
|
}
|
||
|
EXPORT_SYMBOL(raw_local_irq_restore);
|
||
|
|
||
|
unsigned long __raw_local_save_flags(void)
|
||
|
{
|
||
|
unsigned long flags;
|
||
|
|
||
|
__asm__ __volatile__ (
|
||
|
"getcon " __SR ", %0\n\t"
|
||
|
"and %0, %1, %0"
|
||
|
: "=&r" (flags)
|
||
|
: "r" (RAW_IRQ_DISABLED)
|
||
|
);
|
||
|
|
||
|
return flags;
|
||
|
}
|
||
|
EXPORT_SYMBOL(__raw_local_save_flags);
|