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cpu.h revision 1.7.2.1 
      1 /*      $NetBSD: cpu.h,v 1.7.2.1 2002/01/10 19:37:36 thorpej 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_OPT)
     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 
     46 #ifdef _KERNEL
     47 extern struct cpu_info cpu_info_store;
     48 
     49 #define	curcpu()			(&cpu_info_store)
     50 
     51 u_long	clkread	__P((void));
     52 void	physaccess	__P((caddr_t, caddr_t, int, int));
     53 
     54 #endif /* _KERNEL */
     55 
     56 #define CPU_MAXNUM	1
     57 
     58 /* ADAM: taken from macppc/cpu.h */
     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	PROC_PC(p)		(trapframe(p)->srr0)
     65 
     66 #define cpu_swapout(p)
     67 #define cpu_wait(p)
     68 #define cpu_number()            0
     69 
     70 extern void delay __P((unsigned));
     71 #define DELAY(n)                delay(n)
     72 
     73 extern __volatile int want_resched;
     74 extern __volatile int astpending;
     75 
     76 #define need_resched(ci)          (want_resched = 1, astpending = 1)
     77 #define need_proftick(p)        ((p)->p_flag |= P_OWEUPC, astpending = 1)
     78 #define signotify(p)            (astpending = 1)
     79 
     80 extern char bootpath[];
     81 
     82 #if defined(_KERNEL) || defined(_STANDALONE)
     83 #define CACHELINESIZE   32
     84 #endif
     85 
     86 #include <powerpc/cpu.h>
     87 
     88 /* end of ADAM */
     89 
     90 
     91 /* ADAM: maybe we will need this??? */
     92 /* values for machineid (happen to be AFF_* settings of AttnFlags) */
     93 /*
     94 #define AMIGA_68020	(1L<<1)
     95 #define AMIGA_68030	(1L<<2)
     96 #define AMIGA_68040	(1L<<3)
     97 #define AMIGA_68881	(1L<<4)
     98 #define AMIGA_68882	(1L<<5)
     99 #define	AMIGA_FPU40	(1L<<6)
    100 #define AMIGA_68060	(1L<<7)
    101 */
    102 
    103 #ifdef _KERNEL
    104 int machineid;
    105 #endif
    106 
    107 #ifdef _KERNEL
    108 /*
    109  * Prototypes from amiga_init.c
    110  */
    111 void    *alloc_z2mem __P((long));
    112 
    113 /*
    114  * Prototypes from autoconf.c
    115  */
    116 int     is_a1200 __P((void));
    117 int     is_a3000 __P((void));
    118 int     is_a4000 __P((void));
    119 #endif
    120 
    121 #endif /* !_MACHINE_CPU_H_ */
    122