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/* $NetBSD: cpu.h,v 1.1 2003/08/19 10:53:05 ragge Exp $ */
/*
* Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
* 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.
*/
#ifndef _PDP10_CPU_H_
#define _PDP10_CPU_H_
#if defined(_KERNEL_OPT)
#include "opt_lockdebug.h"
#endif
#ifdef _KERNEL
#include <sys/cdefs.h>
#include <sys/device.h>
#include <sys/lock.h>
#include <sys/sched.h>
struct cpu_info {
/*
* Public members.
*/
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
struct proc *ci_curproc; /* current owner of the processor */
};
extern struct cpu_info cpu_info_store;
#define curcpu() (&cpu_info_store)
volatile int want_resched, astpending;
#define need_resched(ci) (want_resched = 1, astpending = 1)
#define cpu_proc_fork(x, y)
void signotify(struct proc *);
void need_proftick(struct proc *);
#define cpu_number() 0
/*
* Info given to hardclock; current ac block (DATAI PAG).
* If current ac block is not interrupt block, CLKF_BASEPRI. XXX - not for now
* If current ac block is user block, CLKF_USERMODE.
* If current ac block is interrupt block, CLKF_INTR.
*/
struct clockframe {
int dataiw;
};
#define CAC(y) (((y)->dataiw >> 27) & 7)
#define CLKF_USERMODE(x) (CAC(x) == 1)
#define CLKF_BASEPRI(x) /* (CAC(x) < 2) */ (0)
#define CLKF_PC(x) (panic("CLKF_PC"), 0)
#define CLKF_INTR(x) (CAC(x) == 2)
void kl10_conf(void);
/* Type conversion without pointer conversion */
#ifdef __GNUC__
#define TCONV(rtype, inval) \
({ union { typeof(inval) p; rtype i; } f; f.p = inval; f.i; })
#endif
typedef union {
int *intp;
char *cp;
int intop;
} TUNION;
#define TPTOINT(b) (uu.intp = (int *)b, uu.intop)
#define TINTTOP(b) (uu.intop = (int)b, uu.intp)
#define TINTTOCP(b) (uu.intop = (int)b, uu.cp)
#endif /* _KERNEL */
#endif /* _PDP10_CPU_H_ */
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