usr/src/sys/vax/cpu.h

/*      cpu.h   6.1     83/07/29        */

#ifndef LOCORE
/*
 * Cpu identification, from SID register.
 */
union cpusid {
        int     cpusid;
        struct cpuany {
                u_int   :24,
                        cp_type:8;
        } cpuany;
        struct cpu780 {
                u_int   cp_sno:12,              /* serial number */
                        cp_plant:3,             /* plant number */
                        cp_eco:9,               /* eco level */
                        cp_type:8;              /* VAX_780 */
        } cpu780;
        struct cpu750 {
                u_int   cp_hrev:8,              /* hardware rev level */
                        cp_urev:8,              /* ucode rev level */
                        :8,
                        cp_type:8;              /* VAX_750 */
        } cpu750;
        /* need structure for 730 */
};
#endif
#define VAX_780         1
#define VAX_750         2
#define VAX_730         3

#define VAX_MAX         3

#ifndef LOCORE
/*
 * Per-cpu information for system.
 */
struct  percpu {
        short   pc_cputype;             /* cpu type code */
        short   pc_nnexus;              /* number of nexus slots */
        struct  nexus *pc_nexbase;      /* base of nexus space */
/* we should be able to have just one address for the unibus memories */
/* and calculate successive addresses by adding to the base, but the 750 */
/* doesn't obey the sensible rule: uba1 has a lower address than uba0! */
        caddr_t *pc_umaddr;             /* unibus memory addresses */
        short   pc_nubabdp;             /* number of bdp's per uba */
        short   pc_haveubasr;           /* have uba status register */
/* the 750 has some slots which don't promise to tell you their types */
/* if this pointer is non-zero, then you get the type from this array */
/* rather than from the (much more sensible) low byte of the config register */
        short   *pc_nextype;            /* botch */
};

#ifdef KERNEL
int     cpu;
struct  percpu percpu[];
#endif
#endif