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/*
* Copyright (c) 1996-1999 University of Utah and the Flux Group.
* All rights reserved.
*
* This file is part of the Flux OSKit. The OSKit is free software, also known
* as "open source;" you can redistribute it and/or modify it under the terms
* of the GNU General Public License (GPL), version 2, as published by the Free
* Software Foundation (FSF). To explore alternate licensing terms, contact
* the University of Utah at csl-dist@cs.utah.edu or +1-801-585-3271.
*
* The OSKit is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
* FOR A PARTICULAR PURPOSE. See the GPL for more details. You should have
* received a copy of the GPL along with the OSKit; see the file COPYING. If
* not, write to the FSF, 59 Temple Place #330, Boston, MA 02111-1307, USA.
*/
/*
* Individual IRQ management.
*/
extern int fdev_irq_flags;
extern int fdev_intr_enabled;
#include <oskit/dev/dev.h>
#include <oskit/arm32/shark/pic.h>
#include <oskit/arm32/proc_reg.h>
inline void
osenv_irq_enable(int irq)
{
#ifdef GPROF
/* XXX don't let anyone tweak the RTC through this interface */
osenv_assert(irq != 8);
disable_interrupts();
if (fdev_intr_enabled)
pic_enable_irq(irq);
else
fdev_irq_flags &= ~(1 << irq);
enable_interrupts();
#else
pic_enable_irq(irq);
#endif
}
inline void
osenv_irq_disable(int irq)
{
#ifdef GPROF
/* XXX don't let anyone tweak the RTC through this interface */
osenv_assert(irq != 8);
disable_interrupts();
if (fdev_intr_enabled)
pic_disable_irq(irq);
else
fdev_irq_flags |= (1 << irq);
enable_interrupts();
#else
pic_disable_irq(irq);
#endif
}
inline int
osenv_irq_pending(int irq)
{
return pic_test_irq(irq);
}
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