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cpu.h revision 1.2 
      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 struct cpu_info {
     13 	struct schedstate_percpu ci_schedstate; /* scheduler state */
     14 #if defined(DIAGNOSTIC) || defined(LOCKDEBUG)
     15 	u_long ci_spin_locks;		/* # of spin locks held */
     16 	u_long ci_simple_locks;		/* # of simple locks held */
     17 #endif
     18 };
     19 
     20 #ifdef _KERNEL
     21 extern struct cpu_info cpu_info_store;
     22 
     23 #define	curcpu()			(&cpu_info_store)
     24 
     25 u_long	clkread	__P((void));
     26 void	physaccess	__P((caddr_t, caddr_t, int, int));
     27 
     28 #endif /* _KERNEL */
     29 
     30 /* ADAM: taken from macppc/cpu.h */
     31 #define CLKF_USERMODE(frame)    (((frame)->srr1 & PSL_PR) != 0)
     32 #define CLKF_BASEPRI(frame)     ((frame)->pri == 0)
     33 #define CLKF_PC(frame)          ((frame)->srr0)
     34 #define CLKF_INTR(frame)        ((frame)->depth > 0)
     35 
     36 #define cpu_swapout(p)
     37 #define cpu_wait(p)
     38 #define cpu_number()            0
     39 
     40 extern void delay __P((unsigned));
     41 #define DELAY(n)                delay(n)
     42 
     43 extern __volatile int want_resched;
     44 extern __volatile int astpending;
     45 
     46 #define need_resched()          (want_resched = 1, astpending = 1)
     47 #define need_proftick(p)        ((p)->p_flag |= P_OWEUPC, astpending = 1)
     48 #define signotify(p)            (astpending = 1)
     49 
     50 extern char bootpath[];
     51 
     52 #if defined(_KERNEL) || defined(_STANDALONE)
     53 #define CACHELINESIZE   32
     54 #endif
     55 
     56 /* ADAM: commented out to avoid CTL_MACHDEP_NAMES redefiniton (see below) */
     57 /*#include <powerpc/cpu.h>*/
     58 
     59 /* end of ADAM */
     60 
     61 
     62 /* ADAM: maybe we will need this??? */
     63 /* values for machineid (happen to be AFF_* settings of AttnFlags) */
     64 /*
     65 #define AMIGA_68020	(1L<<1)
     66 #define AMIGA_68030	(1L<<2)
     67 #define AMIGA_68040	(1L<<3)
     68 #define AMIGA_68881	(1L<<4)
     69 #define AMIGA_68882	(1L<<5)
     70 #define	AMIGA_FPU40	(1L<<6)
     71 #define AMIGA_68060	(1L<<7)
     72 */
     73 
     74 #ifdef _KERNEL
     75 int machineid;
     76 #endif
     77 
     78 /* ADAM: copied from powerpc/cpu.h */
     79 #ifndef _POWERPC_CPU_H_
     80 #define _POWERPC_CPU_H_
     81 
     82 extern void __syncicache __P((void *, int));
     83 
     84 /*
     85  * CTL_MACHDEP definitions.
     86  */
     87 #define CPU_CACHELINE   1
     88 #define CPU_MAXID       2
     89 
     90 #endif  /* _POWERPC_CPU_H_ */
     91 
     92 /* ADAM: copied from amiga/cpu.h */
     93 #define CTL_MACHDEP_NAMES { \
     94 	{ 0, 0 }, \
     95 	{ "console_device", CTLTYPE_STRUCT }, \
     96 }
     97 
     98 #ifdef _KERNEL
     99 /*
    100  * Prototypes from amiga_init.c
    101  */
    102 void    *alloc_z2mem __P((long));
    103 
    104 /*
    105  * Prototypes from autoconf.c
    106  */
    107 int     is_a1200 __P((void));
    108 int     is_a3000 __P((void));
    109 int     is_a4000 __P((void));
    110 #endif
    111 
    112 #endif /* !_MACHINE_CPU_H_ */
    113