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cpu.h revision 1.6 
      1 /*      $NetBSD: cpu.h,v 1.6 2001/02/18 19:08:16 is 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 
     58 u_long	clkread	__P((void));
     59 void	physaccess	__P((caddr_t, caddr_t, int, int));
     60 
     61 #endif /* _KERNEL */
     62 
     63 /* ADAM: taken from macppc/cpu.h */
     64 #define CLKF_USERMODE(frame)    (((frame)->srr1 & PSL_PR) != 0)
     65 #define CLKF_BASEPRI(frame)     ((frame)->pri == 0)
     66 #define CLKF_PC(frame)          ((frame)->srr0)
     67 #define CLKF_INTR(frame)        ((frame)->depth > 0)
     68 
     69 #define	PROC_PC(p)		(trapframe(p)->srr0)
     70 
     71 #define cpu_swapout(p)
     72 #define cpu_wait(p)
     73 #define cpu_number()            0
     74 
     75 extern void delay __P((unsigned));
     76 #define DELAY(n)                delay(n)
     77 
     78 extern __volatile int want_resched;
     79 extern __volatile int astpending;
     80 
     81 #define need_resched(ci)          (want_resched = 1, astpending = 1)
     82 #define need_proftick(p)        ((p)->p_flag |= P_OWEUPC, astpending = 1)
     83 #define signotify(p)            (astpending = 1)
     84 
     85 extern char bootpath[];
     86 
     87 #if defined(_KERNEL) || defined(_STANDALONE)
     88 #define CACHELINESIZE   32
     89 #endif
     90 
     91 /* ADAM: commented out to avoid CTL_MACHDEP_NAMES redefiniton (see below) */
     92 /*#include <powerpc/cpu.h>*/
     93 
     94 /* end of ADAM */
     95 
     96 
     97 /* ADAM: maybe we will need this??? */
     98 /* values for machineid (happen to be AFF_* settings of AttnFlags) */
     99 /*
    100 #define AMIGA_68020	(1L<<1)
    101 #define AMIGA_68030	(1L<<2)
    102 #define AMIGA_68040	(1L<<3)
    103 #define AMIGA_68881	(1L<<4)
    104 #define AMIGA_68882	(1L<<5)
    105 #define	AMIGA_FPU40	(1L<<6)
    106 #define AMIGA_68060	(1L<<7)
    107 */
    108 
    109 #ifdef _KERNEL
    110 int machineid;
    111 #endif
    112 
    113 /* ADAM: copied from powerpc/cpu.h */
    114 #ifndef _POWERPC_CPU_H_
    115 #define _POWERPC_CPU_H_
    116 
    117 extern void __syncicache __P((void *, int));
    118 
    119 /*
    120  * CTL_MACHDEP definitions.
    121  */
    122 #define CPU_CACHELINE   1
    123 #define CPU_MAXID       2
    124 
    125 #endif  /* _POWERPC_CPU_H_ */
    126 
    127 /* ADAM: copied from amiga/cpu.h */
    128 #define CTL_MACHDEP_NAMES { \
    129 	{ 0, 0 }, \
    130 	{ "console_device", CTLTYPE_STRUCT }, \
    131 }
    132 
    133 #ifdef _KERNEL
    134 /*
    135  * Prototypes from amiga_init.c
    136  */
    137 void    *alloc_z2mem __P((long));
    138 
    139 /*
    140  * Prototypes from autoconf.c
    141  */
    142 int     is_a1200 __P((void));
    143 int     is_a3000 __P((void));
    144 int     is_a4000 __P((void));
    145 #endif
    146 
    147 #endif /* !_MACHINE_CPU_H_ */
    148