Remove upc_{control,register} syscalls and everything that has to do with it.
[dragonfly.git] / sys / cpu / i386 / include / cpu.h
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1/*-
2 * Copyright (c) 1990 The Regents of the University of California.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to Berkeley by
6 * William Jolitz.
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 by the University of
19 * California, Berkeley and its contributors.
20 * 4. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * from: @(#)cpu.h 5.4 (Berkeley) 5/9/91
37 * $FreeBSD: src/sys/i386/include/cpu.h,v 1.43.2.2 2001/06/15 09:37:57 scottl Exp $
38 */
39
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40#ifndef _CPU_CPU_H_
41#define _CPU_CPU_H_
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42
43/*
44 * Definitions unique to i386 cpu support.
45 */
a9295349 46#ifndef _CPU_PSL_H_
f8334305 47#include <machine/psl.h>
1bd40720 48#endif
a9295349 49#ifndef _CPU_FRAME_H_
f8334305 50#include <machine/frame.h>
1bd40720 51#endif
a9295349 52#ifndef _CPU_SEGMENTS_H_
f8334305 53#include <machine/segments.h>
1bd40720 54#endif
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55
56/*
57 * definitions of cpu-dependent requirements
58 * referenced in generic code
59 */
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60
61#define cpu_exec(p) /* nothing */
62#define cpu_swapin(p) /* nothing */
08f2f1bb 63#define cpu_setstack(lp, ap) ((lp)->lwp_md.md_regs[SP] = (ap))
984263bc 64
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65#define CLKF_INTR(intr_nest) ((intr_nest) > 1)
66#define CLKF_INTR_TD(td) ((td)->td_flags & TDF_INTTHREAD)
88c4d2f6 67#define CLKF_PC(framep) ((framep)->if_eip)
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68
69/*
70 * Preempt the current process if in interrupt from user mode,
71 * or after the current trap/syscall if in system mode.
72 *
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73 * We now have to use a locked bus cycle due to LWKT_RESCHED/WAKEUP
74 * signalling by other cpus.
984263bc 75 */
0a3f9b47 76#define need_lwkt_resched() \
b12defdc 77 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
0a3f9b47 78#define need_user_resched() \
2a418930 79 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
235957ed 80#define need_proftick() \
2a418930 81 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_OWEUPC)
0f7a3396 82#define need_ipiq() \
2a418930 83 atomic_set_int(&mycpu->gd_reqflags, RQF_IPIQ)
235957ed 84#define signotify() \
2a418930 85 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_SIGNAL)
0a3f9b47 86#define clear_user_resched() \
2a418930 87 atomic_clear_int(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
0a3f9b47 88#define clear_lwkt_resched() \
2a418930 89 atomic_clear_int(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
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90#define clear_quickret() \
91 atomic_clear_int(&mycpu->gd_reqflags, RQF_QUICKRET)
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92#define user_resched_wanted() \
93 (mycpu->gd_reqflags & RQF_AST_USER_RESCHED)
94#define lwkt_resched_wanted() \
95 (mycpu->gd_reqflags & RQF_AST_LWKT_RESCHED)
96#define any_resched_wanted() \
97 (mycpu->gd_reqflags & (RQF_AST_LWKT_RESCHED|RQF_AST_USER_RESCHED))
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98
99/*
100 * CTL_MACHDEP definitions.
101 */
b13267a5 102#define CPU_CONSDEV 1 /* cdev_t: console terminal device */
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103#define CPU_ADJKERNTZ 2 /* int: timezone offset (seconds) */
104#define CPU_DISRTCSET 3 /* int: disable resettodr() call */
105#define CPU_BOOTINFO 4 /* struct: bootinfo */
106#define CPU_WALLCLOCK 5 /* int: indicates wall CMOS clock */
107#define CPU_MAXID 6 /* number of valid machdep ids */
108
109#define CTL_MACHDEP_NAMES { \
110 { 0, 0 }, \
111 { "console_device", CTLTYPE_STRUCT }, \
112 { "adjkerntz", CTLTYPE_INT }, \
113 { "disable_rtc_set", CTLTYPE_INT }, \
114 { "bootinfo", CTLTYPE_STRUCT }, \
115 { "wall_cmos_clock", CTLTYPE_INT }, \
116}
117
118#ifdef _KERNEL
1bd40720 119
bb3cd951 120struct lwp;
1bd40720 121
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122extern char btext[];
123extern char etext[];
984263bc 124
3ae0cd58 125void fork_trampoline (void);
91bd9c1e 126void generic_lwp_return (struct lwp *, struct trapframe *);
c7eb0589 127void fork_return (struct lwp *, struct trapframe *);
1bd40720 128
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129#endif
130
a7231bde 131#endif /* !_CPU_CPU_H_ */