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cpu.h revision 1.5 
      1 #ifndef _MACHINE_CPU_H_
      2 #define _MACHINE_CPU_H_
      3 
      4 #if defined(_KERNEL) && !defined(_LKM)
      5 #include "opt_lockdebug.h"
      6 #endif
      7 
      8 #include <machine/frame.h>
      9 #include <machine/psl.h>
     10 #include <machine/intr.h>
     11 
     12 #include <sys/sched.h>
     13 struct cpu_info {
     14 	struct schedstate_percpu ci_schedstate; /* scheduler state */
     15 #if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
     16 	u_long ci_spin_locks;		/* # of spin locks held */
     17 	u_long ci_simple_locks;		/* # of simple locks held */
     18 #endif
     19 };
     20 
     21 #ifdef _KERNEL
     22 extern struct cpu_info cpu_info_store;
     23 
     24 #define	curcpu()			(&cpu_info_store)
     25 
     26 u_long	clkread	__P((void));
     27 void	physaccess	__P((caddr_t, caddr_t, int, int));
     28 
     29 #endif /* _KERNEL */
     30 
     31 /* ADAM: taken from macppc/cpu.h */
     32 #define CLKF_USERMODE(frame)    (((frame)->srr1 & PSL_PR) != 0)
     33 #define CLKF_BASEPRI(frame)     ((frame)->pri == 0)
     34 #define CLKF_PC(frame)          ((frame)->srr0)
     35 #define CLKF_INTR(frame)        ((frame)->depth > 0)
     36 
     37 #define	PROC_PC(p)		(trapframe(p)->srr0)
     38 
     39 #define cpu_swapout(p)
     40 #define cpu_wait(p)
     41 #define cpu_number()            0
     42 
     43 extern void delay __P((unsigned));
     44 #define DELAY(n)                delay(n)
     45 
     46 extern __volatile int want_resched;
     47 extern __volatile int astpending;
     48 
     49 #define need_resched(ci)          (want_resched = 1, astpending = 1)
     50 #define need_proftick(p)        ((p)->p_flag |= P_OWEUPC, astpending = 1)
     51 #define signotify(p)            (astpending = 1)
     52 
     53 extern char bootpath[];
     54 
     55 #if defined(_KERNEL) || defined(_STANDALONE)
     56 #define CACHELINESIZE   32
     57 #endif
     58 
     59 /* ADAM: commented out to avoid CTL_MACHDEP_NAMES redefiniton (see below) */
     60 /*#include <powerpc/cpu.h>*/
     61 
     62 /* end of ADAM */
     63 
     64 
     65 /* ADAM: maybe we will need this??? */
     66 /* values for machineid (happen to be AFF_* settings of AttnFlags) */
     67 /*
     68 #define AMIGA_68020	(1L<<1)
     69 #define AMIGA_68030	(1L<<2)
     70 #define AMIGA_68040	(1L<<3)
     71 #define AMIGA_68881	(1L<<4)
     72 #define AMIGA_68882	(1L<<5)
     73 #define	AMIGA_FPU40	(1L<<6)
     74 #define AMIGA_68060	(1L<<7)
     75 */
     76 
     77 #ifdef _KERNEL
     78 int machineid;
     79 #endif
     80 
     81 /* ADAM: copied from powerpc/cpu.h */
     82 #ifndef _POWERPC_CPU_H_
     83 #define _POWERPC_CPU_H_
     84 
     85 extern void __syncicache __P((void *, int));
     86 
     87 /*
     88  * CTL_MACHDEP definitions.
     89  */
     90 #define CPU_CACHELINE   1
     91 #define CPU_MAXID       2
     92 
     93 #endif  /* _POWERPC_CPU_H_ */
     94 
     95 /* ADAM: copied from amiga/cpu.h */
     96 #define CTL_MACHDEP_NAMES { \
     97 	{ 0, 0 }, \
     98 	{ "console_device", CTLTYPE_STRUCT }, \
     99 }
    100 
    101 #ifdef _KERNEL
    102 /*
    103  * Prototypes from amiga_init.c
    104  */
    105 void    *alloc_z2mem __P((long));
    106 
    107 /*
    108  * Prototypes from autoconf.c
    109  */
    110 int     is_a1200 __P((void));
    111 int     is_a3000 __P((void));
    112 int     is_a4000 __P((void));
    113 #endif
    114 
    115 #endif /* !_MACHINE_CPU_H_ */
    116