/* $NetBSD: intr.h,v 1.2 2018/04/19 21:50:07 christos Exp $ */
/*-
* Copyright (c) 2014 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Matt Thomas of 3am Software Foundry.
*
* 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.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION 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.
*/
#ifndef _OR1K_INTR_H_
#define _OR1K_INTR_H_
#ifdef _LOCORE
#error use "assym.h"
#endif
#ifdef _KERNEL
#ifdef _KERNEL_OPT
#include "opt_multiprocessor.h"
#endif
#ifdef MULTIPROCESSOR
#define __HAVE_PREEMPTION 1
#endif
/* Interrupt priority "levels". */
#define IPL_NONE 0 /* nothing */
#define IPL_SOFTCLOCK 1 /* clock */
#define IPL_SOFTBIO 2 /* block I/O */
#define IPL_SOFTNET 3 /* software network interrupt */
#define IPL_SOFTSERIAL 4 /* software serial interrupt */
#define IPL_VM 5 /* memory allocation */
#define IPL_SCHED 6 /* clock interrupt */
#define IPL_HIGH 7 /* everything */
#define NIPL 8
/* Interrupt sharing types. */
#define IST_NONE 0 /* none */
#define IST_PULSE 1 /* pulsed */
#define IST_EDGE 2 /* edge-triggered */
#define IST_LEVEL 3 /* level-triggered */
#define IST_LEVEL_LOW IST_LEVEL
#define IST_LEVEL_HIGH 4
#define IST_EDGE_FALLING IST_EDGE
#define IST_EDGE_RISING 5
#define IST_EDGE_BOTH 6
#define IST_SOFT 7
#include <or1k/pic/picvar.h>
static __inline void
spl0(void)
{
(void)_spllower(IPL_NONE);
}
static __inline int
splsoftclock(void)
{
return _splraise(IPL_SOFTCLOCK);
}
static __inline int
splsoftbio(void)
{
return _splraise(IPL_SOFTBIO);
}
static __inline int
splsoftnet(void)
{
return _splraise(IPL_SOFTNET);
}
static __inline int
splsoftserial(void)
{
return _splraise(IPL_SOFTSERIAL);
}
static __inline int
splvm(void)
{
return _splraise(IPL_VM);
}
static __inline int
splsched(void)
{
return _splraise(IPL_SCHED);
}
static __inline int
splhigh(void)
{
return _splraise(IPL_HIGH);
}
typedef uint8_t ipl_t;
typedef struct {
ipl_t _ipl;
} ipl_cookie_t;
static __inline ipl_cookie_t
makeiplcookie(ipl_t ipl)
{
return (ipl_cookie_t){._ipl = ipl};
}
static __inline int
splraiseipl(ipl_cookie_t icookie)
{
return _splraise(icookie._ipl);
}
#endif /* _KERNEL */
#endif /* _OR1K_INTR_H_ */