1 /* 2 * Copyright (c) 1982 Regents of the University of California. 3 * All rights reserved. The Berkeley software License Agreement 4 * specifies the terms and conditions for redistribution. 5 * 6 * @(#)cpu.h 6.4 (Berkeley) 08/05/85 7 */ 8 9 #ifndef LOCORE 10 /* 11 * Cpu identification, from SID register. 12 */ 13 union cpusid { 14 int cpusid; 15 struct cpuany { 16 u_int :24, 17 cp_type:8; 18 } cpuany; 19 struct cpu8600 { 20 u_int cp_sno:12, /* serial number */ 21 cp_plant:4, /* plant number */ 22 cp_eco:8, /* eco level */ 23 cp_type:8; /* VAX_8600 */ 24 } cpu8600; 25 struct cpu780 { 26 u_int cp_sno:12, /* serial number */ 27 cp_plant:3, /* plant number */ 28 cp_eco:9, /* eco level */ 29 cp_type:8; /* VAX_780 */ 30 } cpu780; 31 struct cpu750 { 32 u_int cp_hrev:8, /* hardware rev level */ 33 cp_urev:8, /* ucode rev level */ 34 :8, 35 cp_type:8; /* VAX_750 */ 36 } cpu750; 37 struct cpu730 { 38 u_int :8, /* reserved */ 39 cp_urev:8, /* ucode rev level */ 40 :8, /* reserved */ 41 cp_type:8; /* VAX_730 */ 42 } cpu730; 43 }; 44 #endif 45 #define VAX_780 1 46 #define VAX_750 2 47 #define VAX_730 3 48 #define VAX_8600 4 49 50 #define VAX_MAX 4 51 52 #ifndef LOCORE 53 /* 54 * Per-cpu information for system. 55 */ 56 struct percpu { 57 short pc_cputype; /* cpu type code */ 58 short pc_nioa; /* number of IO adaptors/SBI's */ 59 caddr_t *pc_ioaaddr; /* phys addresses of IO adaptors */ 60 int pc_ioasize; /* size of a IO adaptor */ 61 short *pc_ioatype; /* io adaptor types if no cfg reg */ 62 }; 63 64 struct persbi { 65 short psb_nnexus; /* number of nexus slots */ 66 struct nexus *psb_nexbase; /* base of nexus space */ 67 /* we should be able to have just one address for the unibus memories */ 68 /* and calculate successive addresses by adding to the base, but the 750 */ 69 /* doesn't obey the sensible rule: uba1 has a lower address than uba0! */ 70 caddr_t *psb_umaddr; /* unibus memory addresses */ 71 short psb_nubabdp; /* number of bdp's per uba */ 72 short psb_haveubasr; /* have uba status register */ 73 /* the 750 has some slots which don't promise to tell you their types */ 74 /* if this pointer is non-zero, then you get the type from this array */ 75 /* rather than from the (much more sensible) low byte of the config register */ 76 short *psb_nextype; /* botch */ 77 }; 78 79 #ifdef KERNEL 80 int cpu; 81 struct percpu percpu[]; 82 #if VAX730 83 struct persbi xxx730; 84 #endif 85 #if VAX750 86 struct persbi cmi750; 87 #endif 88 #if VAX780 89 struct persbi sbi780; 90 #endif 91 #if VAX8600 92 struct persbi sbi8600[]; 93 #endif 94 #endif 95 #endif 96