85 lines
2.6 KiB
C
85 lines
2.6 KiB
C
/* $NetBSD: cpu.h,v 1.3 2000/08/25 16:43:47 bjh21 Exp $ */
|
|
/*-
|
|
* Copyright (c) 1998 Ben Harris
|
|
* 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. The name of the author may not 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 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.
|
|
*/
|
|
/* This file is part of NetBSD/arm26 -- a port of NetBSD to ARM2/3 machines. */
|
|
|
|
#ifndef _ARM26_CPU_H
|
|
#define _ARM26_CPU_H
|
|
|
|
#include <machine/frame.h>
|
|
|
|
#if defined(_KERNEL) && !defined(_LKM)
|
|
#include "opt_lockdebug.h"
|
|
#endif
|
|
|
|
#include <sys/sched.h>
|
|
struct cpu_info {
|
|
struct schedstate_percpu ci_schedstate; /* scheduler state */
|
|
#if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
|
|
u_long ci_spin_locks; /* # of spin locks held */
|
|
u_long ci_simple_locks; /* # of simple locks held */
|
|
#endif
|
|
};
|
|
|
|
#ifdef _KERNEL
|
|
extern struct cpu_info cpu_info_store;
|
|
|
|
#define curcpu() (&cpu_info_store)
|
|
#define cpu_number() (0)
|
|
#endif
|
|
|
|
#define INSN_SIZE 4
|
|
|
|
#ifdef _KERNEL
|
|
/* ASTs etc */
|
|
|
|
#include <sys/proc.h>
|
|
extern int want_resched, astpending;
|
|
|
|
#define setsoftast() \
|
|
do { \
|
|
astpending = 1; \
|
|
} while (/* CONSTCOND */ 0)
|
|
|
|
#define need_resched(ci) \
|
|
do { \
|
|
want_resched = 1; \
|
|
setsoftast(); \
|
|
} while (/* CONSTCOND */ 0)
|
|
|
|
#define need_proftick(p) \
|
|
do { \
|
|
(p)->p_flag |= P_OWEUPC; \
|
|
setsoftast(); \
|
|
} while (/* CONSTCOND */ 0)
|
|
|
|
#define signotify(p) setsoftast()
|
|
|
|
#endif /* _KERNEL */
|
|
|
|
#endif
|