| 1 | /* cpu.h 4.7 82/05/26 */ |
| 2 | |
| 3 | #ifndef LOCORE |
| 4 | /* |
| 5 | * Cpu identification, from SID register. |
| 6 | */ |
| 7 | union cpusid { |
| 8 | int cpusid; |
| 9 | struct cpuany { |
| 10 | u_int :24, |
| 11 | cp_type:8; |
| 12 | } cpuany; |
| 13 | struct cpu780 { |
| 14 | u_int cp_sno:12, /* serial number */ |
| 15 | cp_plant:3, /* plant number */ |
| 16 | cp_eco:9, /* eco level */ |
| 17 | cp_type:8; /* VAX_780 */ |
| 18 | } cpu780; |
| 19 | struct cpu750 { |
| 20 | u_int cp_hrev:8, /* hardware rev level */ |
| 21 | cp_urev:8, /* ucode rev level */ |
| 22 | :8, |
| 23 | cp_type:8; /* VAX_750 */ |
| 24 | } cpu750; |
| 25 | /* need structure for 730 */ |
| 26 | }; |
| 27 | #endif |
| 28 | #define VAX_780 1 |
| 29 | #define VAX_750 2 |
| 30 | #define VAX_730 3 |
| 31 | |
| 32 | #define VAX_MAX 3 |
| 33 | |
| 34 | #ifndef LOCORE |
| 35 | /* |
| 36 | * Per-cpu information for system. |
| 37 | */ |
| 38 | struct percpu { |
| 39 | short pc_cputype; /* cpu type code */ |
| 40 | short pc_nnexus; /* number of nexus slots */ |
| 41 | struct nexus *pc_nexbase; /* base of nexus space */ |
| 42 | /* we should be able to have just one address for the unibus memories */ |
| 43 | /* and calculate successive addresses by adding to the base, but the 750 */ |
| 44 | /* doesn't obey the sensible rule: uba1 has a lower address than uba0! */ |
| 45 | caddr_t *pc_umaddr; /* unibus memory addresses */ |
| 46 | short pc_nubabdp; /* number of bdp's per uba */ |
| 47 | short pc_haveubasr; /* have uba status register */ |
| 48 | /* the 750 has some slots which don't promise to tell you their types */ |
| 49 | /* if this pointer is non-zero, then you get the type from this array */ |
| 50 | /* rather than from the (much more sensible) low byte of the config register */ |
| 51 | short *pc_nextype; /* botch */ |
| 52 | }; |
| 53 | |
| 54 | #ifdef KERNEL |
| 55 | int cpu; |
| 56 | struct percpu percpu[]; |
| 57 | #endif |
| 58 | #endif |