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/*
* Copyright (c) 1996, 1998, 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.
*/
#include <oskit/arm32/proc_reg.h>
#include <oskit/arm32/shark/pic.h>
#ifdef GPROF
/* disables everything except RTC */
#define RTC_MASK ~(1 << 8) /* XXX */
int fdev_irq_flags = 0;
int fdev_intr_enabled = 1;
#endif
/*
* Enable/disable interrupts.
*/
inline void
osenv_intr_enable(void)
{
#ifdef GPROF
if (!fdev_intr_enabled) {
disable_interrupts();
fdev_intr_enabled = 1;
pic_set_irqmask(fdev_irq_flags);
fdev_irq_flags = 0;
}
#endif
enable_interrupts();
}
inline void
osenv_intr_disable(void)
{
#ifdef GPROF
if (fdev_intr_enabled) {
disable_interrupts();
fdev_intr_enabled = 0;
fdev_irq_flags = pic_get_irqmask();
pic_set_irqmask(fdev_irq_flags|RTC_MASK);
}
enable_interrupts();
#else
disable_interrupts();
#endif
}
/*
* Return the current interrupt enable flag.
*/
inline int
osenv_intr_enabled(void)
{
#ifdef GPROF
return fdev_intr_enabled;
#else
return interrupts_enabled();
#endif
}
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