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cpu.h revision 1.1 
      1 /*	$NetBSD: cpu.h,v 1.1 2001/02/04 18:32:12 briggs Exp $	*/
      2 
      3 /*
      4  * Copyright (C) 1995-1997 Wolfgang Solfrank.
      5  * Copyright (C) 1995-1997 TooLs GmbH.
      6  * All rights reserved.
      7  *
      8  * Redistribution and use in source and binary forms, with or without
      9  * modification, are permitted provided that the following conditions
     10  * are met:
     11  * 1. Redistributions of source code must retain the above copyright
     12  *    notice, this list of conditions and the following disclaimer.
     13  * 2. Redistributions in binary form must reproduce the above copyright
     14  *    notice, this list of conditions and the following disclaimer in the
     15  *    documentation and/or other materials provided with the distribution.
     16  * 3. All advertising materials mentioning features or use of this software
     17  *    must display the following acknowledgement:
     18  *	This product includes software developed by TooLs GmbH.
     19  * 4. The name of TooLs GmbH may not be used to endorse or promote products
     20  *    derived from this software without specific prior written permission.
     21  *
     22  * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
     23  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     24  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     25  * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
     26  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
     27  * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
     28  * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
     29  * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
     30  * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
     31  * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     32  */
     33 #ifndef	_MACHINE_CPU_H_
     34 #define	_MACHINE_CPU_H_
     35 
     36 #if defined(_KERNEL) && !defined(_LKM)
     37 #include "opt_lockdebug.h"
     38 #endif
     39 
     40 #include <machine/frame.h>
     41 #include <machine/psl.h>
     42 #include <machine/intr.h>
     43 
     44 #include <sys/sched.h>
     45 struct cpu_info {
     46 	struct schedstate_percpu ci_schedstate; /* scheduler state */
     47 #if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
     48 	u_long ci_spin_locks;		/* # of spin locks held */
     49 	u_long ci_simple_locks;		/* # of simple locks held */
     50 #endif
     51 };
     52 
     53 #ifdef _KERNEL
     54 extern struct cpu_info cpu_info_store;
     55 
     56 #define	curcpu()		(&cpu_info_store)
     57 #endif
     58 
     59 #define	CLKF_USERMODE(frame)	(((frame)->srr1 & PSL_PR) != 0)
     60 #define	CLKF_BASEPRI(frame)	((frame)->pri == 0)
     61 #define	CLKF_PC(frame)		((frame)->srr0)
     62 #define	CLKF_INTR(frame)	((frame)->depth > 0)
     63 
     64 #define	cpu_swapout(p)
     65 #define cpu_wait(p)
     66 #define	cpu_number()		0
     67 
     68 extern void delay __P((unsigned int));
     69 #define	DELAY(n)		delay(n)
     70 
     71 extern volatile int want_resched;
     72 extern volatile int astpending;
     73 
     74 #define	need_resched(ci)	(want_resched = 1, astpending = 1)
     75 #define	need_proftick(p)	((p)->p_flag |= P_OWEUPC, astpending = 1)
     76 #define	signotify(p)		(astpending = 1)
     77 
     78 extern char *bootpath;
     79 
     80 #if defined(_KERNEL) || defined(_STANDALONE)
     81 #define	CACHELINESIZE	32
     82 #endif
     83 
     84 #include <powerpc/cpu.h>
     85 
     86 #endif	/* _MACHINE_CPU_H_ */
     87