Annotation of sys/arch/vax/include/cpu.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: cpu.h,v 1.25 2007/05/16 05:19:13 miod Exp $ */
2: /* $NetBSD: cpu.h,v 1.41 1999/10/21 20:01:36 ragge Exp $ */
3:
4: /*
5: * Copyright (c) 1994 Ludd, University of Lule}, Sweden
6: * All rights reserved.
7: *
8: * Redistribution and use in source and binary forms, with or without
9: * modification, are permitted provided that the following conditions
10: * are met:
11: * 1. Redistributions of source code must retain the above copyright
12: * notice, this list of conditions and the following disclaimer.
13: * 2. Redistributions in binary form must reproduce the above copyright
14: * notice, this list of conditions and the following disclaimer in the
15: * documentation and/or other materials provided with the distribution.
16: * 3. All advertising materials mentioning features or use of this software
17: * must display the following acknowledgement:
18: * This product includes software developed at Ludd, University of Lule}
19: * 4. The name of the author may not be used to endorse or promote products
20: * derived from this software without specific prior written permission
21: *
22: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32: */
33:
34: #ifndef _VAX_CPU_H_
35: #define _VAX_CPU_H_
36: #ifdef _KERNEL
37:
38: #include <sys/cdefs.h>
39: #include <sys/device.h>
40: #include <sys/evcount.h>
41:
42: #include <machine/mtpr.h>
43: #include <machine/pte.h>
44: #include <machine/pcb.h>
45: #include <machine/uvax.h>
46: #include <machine/psl.h>
47: #include <machine/trap.h>
48: #include <machine/intr.h>
49:
50: #define cpu_wait(p)
51:
52: #include <sys/sched.h>
53: struct cpu_info {
54: struct proc *ci_curproc;
55:
56: struct schedstate_percpu ci_schedstate; /* scheduler state */
57: };
58:
59: extern struct cpu_info cpu_info_store;
60: #define curcpu() (&cpu_info_store)
61: #define cpu_number() 0
62: #define CPU_IS_PRIMARY(ci) 1
63: #define CPU_INFO_ITERATOR int
64: #define CPU_INFO_FOREACH(cii, ci) \
65: for (cii = 0, ci = curcpu(); ci != NULL; ci = NULL)
66:
67: /*
68: * All cpu-dependent info is kept in this struct. Pointer to the
69: * struct for the current cpu is set up in locore.c.
70: */
71: struct cpu_dep {
72: void (*cpu_steal_pages)(void); /* pmap init before mm is on */
73: int (*cpu_mchk)(caddr_t); /* Machine check handling */
74: void (*cpu_memerr)(void); /* Memory subsystem errors */
75: /* Autoconfiguration */
76: void (*cpu_conf)(void);
77: int (*cpu_clkread)(time_t); /* Read cpu clock time */
78: void (*cpu_clkwrite)(void); /* Write system time to cpu */
79: short cpu_vups; /* speed of cpu */
80: short cpu_scbsz; /* (estimated) size of system control block */
81: void (*cpu_halt)(void); /* Cpu dependent halt call */
82: void (*cpu_reboot)(int); /* Cpu dependent reboot call */
83: void (*cpu_clrf)(void); /* Clear cold/warm start flags */
84: void (*cpu_subconf)(struct device *);/*config cpu dep. devs */
85: };
86:
87: extern struct cpu_dep *dep_call; /* Holds pointer to current CPU struct. */
88:
89: struct clockframe {
90: int pc;
91: int ps;
92: };
93:
94: extern struct device *booted_from;
95: extern int mastercpu;
96: extern int bootdev;
97:
98: #define setsoftnet() mtpr(IPL_SOFTNET,PR_SIRR)
99: #define setsoftclock() mtpr(IPL_SOFTCLOCK,PR_SIRR)
100: #define todr() mfpr(PR_TODR)
101: /*
102: * Preempt the current process if in interrupt from user mode,
103: * or after the current trap/syscall if in system mode.
104: */
105:
106: #define need_resched(ci){ \
107: want_resched++; \
108: mtpr(AST_OK,PR_ASTLVL); \
109: }
110:
111: /*
112: * Notify the current process (p) that it has a signal pending,
113: * process as soon as possible.
114: */
115:
116: #define signotify(p) mtpr(AST_OK,PR_ASTLVL);
117:
118: extern int want_resched; /* resched() was called */
119:
120: /*
121: * This is used during profiling to integrate system time.
122: */
123: #define PROC_PC(p) (((struct trapframe *)((p)->p_addr->u_pcb.framep))->pc)
124:
125: /*
126: * Give a profiling tick to the current process when the user profiling
127: * buffer pages are invalid. On the vax, request an ast to send us
128: * through trap, marking the proc as needing a profiling tick.
129: */
130: #define need_proftick(p) mtpr(AST_OK,PR_ASTLVL)
131:
132: /*
133: * This defines the I/O device register space size in pages.
134: */
135: #define IOSPSZ ((64*1024) / VAX_NBPG) /* 64k == 128 pages */
136:
137: struct device;
138:
139: extern char cpu_model[100];
140:
141: /* Some low-level prototypes */
142: int badaddr(caddr_t, int);
143: void dumpconf(void);
144: void dumpsys(void);
145: void swapconf(void);
146: void disk_printtype(int, int);
147: void disk_reallymapin(struct buf *, pt_entry_t *, int, int);
148: vaddr_t vax_map_physmem(paddr_t, int);
149: void vax_unmap_physmem(vaddr_t, int);
150: void ioaccess(vaddr_t, paddr_t, int);
151: void iounaccess(vaddr_t, int);
152: void findcpu(void);
153: #ifdef DDB
154: int kdbrint(int);
155: #endif
156: #endif /* _KERNEL */
157:
158: /*
159: * CTL_MACHDEP definitions.
160: */
161: #define CPU_CONSDEV 1 /* dev_t: console terminal device */
162: #define CPU_LED_BLINK 2 /* int: display led patterns */
163: #define CPU_MAXID 3 /* number of valid machdep ids */
164:
165: #define CTL_MACHDEP_NAMES { \
166: { 0, 0 }, \
167: { "console_device", CTLTYPE_STRUCT }, \
168: { "led_blink", CTLTYPE_INT } \
169: }
170:
171: #endif /* _VAX_CPU_H_ */
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