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1.1 root 1: /*
2: * Copyright (c) 1982, 1986, 1988 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 7.6 (Berkeley) 8/27/88
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 cpu8200 {
26: u_int cp_urev:8, /* ucode rev */
27: cp_secp:1, /* secondary patch? */
28: cp_patch:10, /* patch number */
29: cp_hrev:4, /* hardware rev */
30: cp_5:1, /* true iff KA825 */
31: cp_type:8; /* VAX_8200 */
32: } cpu8200;
33: struct cpu780 {
34: u_int cp_sno:12, /* serial number */
35: cp_plant:3, /* plant number */
36: cp_eco:8, /* eco level */
37: cp_5:1, /* true iff 785 */
38: cp_type:8; /* VAX_780 */
39: } cpu780;
40: struct cpu750 {
41: u_int cp_hrev:8, /* hardware rev level */
42: cp_urev:8, /* ucode rev level */
43: :8,
44: cp_type:8; /* VAX_750 */
45: } cpu750;
46: struct cpu730 {
47: u_int :8, /* reserved */
48: cp_urev:8, /* ucode rev level */
49: :8, /* reserved */
50: cp_type:8; /* VAX_730 */
51: } cpu730;
52: struct cpu630 {
53: u_int cp_hrev:8, /* hardware rev level */
54: cp_urev:8, /* ucode rev level */
55: :8,
56: cp_type:8; /* VAX_630 */
57: } cpu630;
58: struct cpu650 {
59: u_int cp_urev:8, /* ucode rev level */
60: :16, /* reserved */
61: cp_type:8; /* VAX_650 */
62: } cpu650;
63: };
64: #endif
65: /*
66: * Vax CPU types.
67: * Similar types are grouped with their earliest example.
68: */
69: #define VAX_780 1
70: #define VAX_750 2
71: #define VAX_730 3
72: #define VAX_8600 4
73: #define VAX_8200 5
74: #define VAX_8800 6
75: #define VAX_8500 6 /* same as 8800, 8700 */
76: #define VAX_610 7 /* uVAX I */
77: #define VAX_630 8 /* uVAX II */
78: #define VAX_650 10 /* uVAX 3000 */
79:
80: #define VAX_MAX 10
81:
82: /*
83: * Main IO backplane types.
84: * This gives us a handle on how to do autoconfiguration.
85: */
86: #define IO_SBI780 1
87: #define IO_CMI750 2
88: #define IO_XXX730 3
89: #define IO_ABUS 4
90: #define IO_QBUS 5
91: #define IO_BI 6
92: #define IO_NMI 7
93:
94: #ifndef LOCORE
95: /*
96: * CPU-dependent operations.
97: */
98: struct clockops {
99: int (*clkstartrt)(); /* start real time clock */
100: int (*clkread)(); /* set system time from clock */
101: int (*clkwrite)(); /* reset clock from system time */
102: };
103:
104: struct cpuops {
105: struct clockops *cpu_clock; /* clock operations */
106: int (*cpu_memenable)(); /* memory error (CRD intr) enable */
107: int (*cpu_memerr)(); /* memory error handler */
108: int (*cpu_mchk)(); /* machine check handler */
109: int (*cpu_init)(); /* special initialisation, if any */
110: };
111:
112: /* return values from cpu_mchk */
113: #define MCHK_PANIC -1
114: #define MCHK_RECOVERED 0
115:
116: /*
117: * Per-cpu information for system.
118: */
119: struct percpu {
120: short pc_cputype; /* cpu type code */
121: short pc_cpuspeed; /* relative speed of cpu */
122: short pc_nioa; /* number of IO adaptors/nexus blocks */
123: struct iobus *pc_io; /* descriptions of IO adaptors */
124: struct cpuops *pc_ops; /* per-cpu operations */
125: };
126:
127: /*
128: * Generic description of an I/O "adaptor"
129: * (any top-level I/O bus visible to software
130: * and requiring autoconfiguration).
131: * The remainder of the description
132: * is pointed to by io_details.
133: */
134: struct iobus {
135: int io_type; /* io adaptor types */
136: caddr_t io_addr; /* phys address of IO adaptor */
137: int io_size; /* size of an IO space */
138: caddr_t io_details; /* specific to adaptor types */
139: };
140:
141: /*
142: * Description of a main bus that maps "nexi", ala the 780 SBI.
143: */
144: struct nexusconnect {
145: short psb_nnexus; /* number of nexus slots */
146: struct nexus *psb_nexbase; /* base of nexus space */
147: short psb_ubatype; /* type of "unibus adaptor" */
148: short psb_nubabdp; /* number of bdp's per uba */
149: caddr_t *psb_umaddr; /* unibus memory addresses */
150: /* the 750 has some slots which don't promise to tell you their types */
151: /* if this pointer is non-zero, then you get the type from this array */
152: /* rather than from the (much more sensible) low byte of the config register */
153: short *psb_nextype; /* botch */
154: };
155:
156: /*
157: * Description of a BI bus configuration.
158: */
159: struct bibus {
160: struct bi_node *pbi_base; /* base of node space */
161: /* that cannot possibly be all! */
162: };
163:
164: /*
165: * Description of a Q-bus configuration.
166: */
167: struct qbus {
168: int qb_type; /* type of "unibus adaptor" */
169: int qb_memsize; /* size of (used) memory, pages */
170: struct pte *qb_map; /* base of map registers */
171: caddr_t qb_maddr; /* "unibus" memory address */
172: caddr_t qb_iopage; /* "unibus" IO page address */
173: };
174:
175: #ifdef KERNEL
176: int cpu;
177: #if VAX8800 || VAX8200
178: int mastercpu; /* if multiple cpus, this identifies master */
179: #endif
180: struct percpu percpu[];
181: struct cpuops *cpuops;
182: #endif
183:
184: /*
185: * Enable realtime clock (always enabled).
186: */
187: #define enablertclock()
188: #endif /* LOCORE */
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