minix/sys/arch/arm/include/arm32/psl.h

100 lines
3 KiB
C
Raw Normal View History

/* $NetBSD: psl.h,v 1.19 2012/07/27 05:36:09 matt Exp $ */
/*
* Copyright (c) 1995 Mark Brinicombe.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Mark Brinicombe
* for the NetBSD Project.
* 4. The name of the company nor the name of the author may be used to
* endorse or promote products derived from this software without specific
* prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
* INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* RiscBSD kernel project
*
* psl.h
*
* spl prototypes.
* Eventually this will become a set of defines.
*
* Created : 21/07/95
*/
#ifndef _ARM_PSL_H_
#define _ARM_PSL_H_
#include <machine/intr.h>
/*
* These are the different SPL states
*
* Each state has an interrupt mask associated with it which
* indicate which interrupts are allowed.
*/
#define spl0() splx(IPL_NONE)
#define splsoftclock() raisespl(IPL_SOFTCLOCK)
#define splsoftbio() raisespl(IPL_SOFTBIO)
#define splsoftnet() raisespl(IPL_SOFTNET)
#define splsoftserial() raisespl(IPL_SOFTSERIAL)
#define splvm() raisespl(IPL_VM)
#define splsched() raisespl(IPL_SCHED)
#define splhigh() raisespl(IPL_HIGH)
#define IPL_SAFEPRI IPL_NONE /* for kern_sleepq.c */
#ifdef _KERNEL
#ifndef _LOCORE
int raisespl (int);
int lowerspl (int);
void splx (int);
#ifdef __HAVE_FAST_SOFTINTS
void _setsoftintr (int si);
#endif
typedef uint8_t ipl_t;
typedef struct {
uint8_t _ipl;
} ipl_cookie_t;
static inline ipl_cookie_t
makeiplcookie(ipl_t ipl)
{
return (ipl_cookie_t){._ipl = (uint8_t)ipl};
}
static inline int
splraiseipl(ipl_cookie_t icookie)
{
return raisespl(icookie._ipl);
}
#endif /* _LOCORE */
#endif /* _KERNEL */
#endif /* _ARM_PSL_H_ */
/* End of psl.h */