99 lines
3.1 KiB
C
99 lines
3.1 KiB
C
/* $NetBSD: cpu.h,v 1.3 2005/12/11 12:18:34 christos Exp $ */
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/*
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* Copyright (c) 2003 Anders Magnusson (ragge@ludd.luth.se).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _PDP10_CPU_H_
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#define _PDP10_CPU_H_
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#if defined(_KERNEL_OPT)
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#include "opt_lockdebug.h"
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#endif
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#ifdef _KERNEL
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#include <sys/cdefs.h>
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#include <sys/device.h>
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#include <sys/lock.h>
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#include <sys/cpu_data.h>
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struct cpu_info {
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/*
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* Public members.
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*/
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struct cpu_data ci_data; /* MI per-cpu data */
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struct proc *ci_curproc; /* current owner of the processor */
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};
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extern struct cpu_info cpu_info_store;
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#define curcpu() (&cpu_info_store)
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volatile int want_resched, astpending;
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#define need_resched(ci) (want_resched = 1, astpending = 1)
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#define cpu_proc_fork(x, y)
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void signotify(struct proc *);
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void need_proftick(struct proc *);
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#define cpu_number() 0
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/*
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* Info given to hardclock; current ac block (DATAI PAG).
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* If current ac block is not interrupt block, CLKF_BASEPRI. XXX - not for now
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* If current ac block is user block, CLKF_USERMODE.
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* If current ac block is interrupt block, CLKF_INTR.
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*/
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struct clockframe {
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int dataiw;
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};
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#define CAC(y) (((y)->dataiw >> 27) & 7)
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#define CLKF_USERMODE(x) (CAC(x) == 1)
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#define CLKF_BASEPRI(x) /* (CAC(x) < 2) */ (0)
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#define CLKF_PC(x) (panic("CLKF_PC"), 0)
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#define CLKF_INTR(x) (CAC(x) == 2)
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void kl10_conf(void);
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/* Type conversion without pointer conversion */
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#ifdef __GNUC__
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#define TCONV(rtype, inval) \
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({ union { typeof(inval) p; rtype i; } f; f.p = inval; f.i; })
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#endif
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typedef union {
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int *intp;
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char *cp;
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int intop;
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} TUNION;
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#define TPTOINT(b) (uu.intp = (int *)b, uu.intop)
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#define TINTTOP(b) (uu.intop = (int)b, uu.intp)
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#define TINTTOCP(b) (uu.intop = (int)b, uu.cp)
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#endif /* _KERNEL */
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#endif /* _PDP10_CPU_H_ */
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