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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 7.5 (Berkeley) 7/9/88
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: };
59: #endif
60: /*
61: * Vax CPU types.
62: * Similar types are grouped with their earliest example.
63: */
64: #define VAX_780 1
65: #define VAX_750 2
66: #define VAX_730 3
67: #define VAX_8600 4
68: #define VAX_8200 5
69: #define VAX_8800 6
70: #define VAX_8500 6 /* same as 8800, 8700 */
71: #define VAX_610 7 /* uVAX I */
72: #define VAX_630 8 /* uVAX II */
73:
74: #define VAX_MAX 8
75:
76: /*
77: * Main IO backplane types.
78: * This gives us a handle on how to do autoconfiguration.
79: */
80: #define IO_SBI780 1
81: #define IO_CMI750 2
82: #define IO_XXX730 3
83: #define IO_ABUS 4
84: #define IO_QBUS 5
85: #define IO_BI 6
86: #define IO_NMI 7
87:
88: #ifndef LOCORE
89: /*
90: * CPU-dependent operations.
91: */
92: struct clockops {
93: int (*clkstartrt)(); /* start real time clock */
94: int (*clkread)(); /* set system time from clock */
95: int (*clkwrite)(); /* reset clock from system time */
96: };
97:
98: struct cpuops {
99: struct clockops *cpu_clock; /* clock operations */
100: int (*cpu_memenable)(); /* memory error (CRD intr) enable */
101: int (*cpu_memerr)(); /* memory error handler */
102: int (*cpu_mchk)(); /* machine check handler */
103: int (*cpu_init)(); /* special initialisation, if any */
104: };
105:
106: /* return values from cpu_mchk */
107: #define MCHK_PANIC -1
108: #define MCHK_RECOVERED 0
109:
110: /*
111: * Per-cpu information for system.
112: */
113: struct percpu {
114: short pc_cputype; /* cpu type code */
115: short pc_cpuspeed; /* relative speed of cpu */
116: short pc_nioa; /* number of IO adaptors/nexus blocks */
117: struct iobus *pc_io; /* descriptions of IO adaptors */
118: struct cpuops *pc_ops; /* per-cpu operations */
119: };
120:
121: /*
122: * Generic description of an I/O "adaptor"
123: * (any top-level I/O bus visible to software
124: * and requiring autoconfiguration).
125: * The remainder of the description
126: * is pointed to by io_details.
127: */
128: struct iobus {
129: int io_type; /* io adaptor types */
130: caddr_t io_addr; /* phys address of IO adaptor */
131: int io_size; /* size of an IO space */
132: caddr_t io_details; /* specific to adaptor types */
133: };
134:
135: /*
136: * Description of a main bus that maps "nexi", ala the 780 SBI.
137: */
138: struct nexusconnect {
139: short psb_nnexus; /* number of nexus slots */
140: struct nexus *psb_nexbase; /* base of nexus space */
141: short psb_ubatype; /* type of "unibus adaptor" */
142: short psb_nubabdp; /* number of bdp's per uba */
143: caddr_t *psb_umaddr; /* unibus memory addresses */
144: /* the 750 has some slots which don't promise to tell you their types */
145: /* if this pointer is non-zero, then you get the type from this array */
146: /* rather than from the (much more sensible) low byte of the config register */
147: short *psb_nextype; /* botch */
148: };
149:
150: /*
151: * Description of a BI bus configuration.
152: */
153: struct bibus {
154: struct bi_node *pbi_base; /* base of node space */
155: /* that cannot possibly be all! */
156: };
157:
158: /*
159: * Description of a Q-bus configuration.
160: */
161: struct qbus {
162: int qb_type; /* type of "unibus adaptor" */
163: int qb_memsize; /* size of (used) memory, pages */
164: struct pte *qb_map; /* base of map registers */
165: caddr_t qb_maddr; /* "unibus" memory address */
166: caddr_t qb_iopage; /* "unibus" IO page address */
167: };
168:
169: #ifdef KERNEL
170: int cpu;
171: #if VAX8800 || VAX8200
172: int mastercpu; /* if multiple cpus, this identifies master */
173: #endif
174: struct percpu percpu[];
175: struct cpuops *cpuops;
176: #endif
177:
178: /*
179: * Enable realtime clock (always enabled).
180: */
181: #define enablertclock()
182: #endif /* LOCORE */
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