Remove upc_{control,register} syscalls and everything that has to do with it.
[dragonfly.git] / sys / cpu / x86_64 / 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 $
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38 */
39
40#ifndef _CPU_CPU_H_
41#define _CPU_CPU_H_
42
46d4e165 43/*
b2b3ffcd 44 * Definitions unique to x86_64 cpu support.
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45 */
46#ifndef _CPU_PSL_H_
47#include <machine/psl.h>
48#endif
49#ifndef _CPU_FRAME_H_
50#include <machine/frame.h>
51#endif
52#ifndef _CPU_SEGMENTS_H_
53#include <machine/segments.h>
54#endif
55
56/*
57 * definitions of cpu-dependent requirements
58 * referenced in generic code
59 */
60
61#define cpu_exec(p) /* nothing */
62#define cpu_swapin(p) /* nothing */
63#define cpu_setstack(lp, ap) ((lp)->lwp_md.md_regs[SP] = (ap))
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)
46d4e165 67#define CLKF_PC(framep) ((framep)->if_rip)
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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 *
73 * We do not have to use a locked bus cycle but we do have to use an
74 * atomic instruction because an interrupt on the local cpu can modify
75 * the gd_reqflags field.
76 */
46d4e165 77#define need_lwkt_resched() \
b12defdc 78 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
46d4e165 79#define need_user_resched() \
2a418930 80 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
46d4e165 81#define need_proftick() \
2a418930 82 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_OWEUPC)
46d4e165 83#define need_ipiq() \
2a418930 84 atomic_set_int(&mycpu->gd_reqflags, RQF_IPIQ)
46d4e165 85#define signotify() \
2a418930 86 atomic_set_int(&mycpu->gd_reqflags, RQF_AST_SIGNAL)
46d4e165 87#define clear_user_resched() \
2a418930 88 atomic_clear_int(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
46d4e165 89#define clear_lwkt_resched() \
2a418930 90 atomic_clear_int(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
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91#define clear_quickret() \
92 atomic_clear_int(&mycpu->gd_reqflags, RQF_QUICKRET)
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93#define user_resched_wanted() \
94 (mycpu->gd_reqflags & RQF_AST_USER_RESCHED)
95#define lwkt_resched_wanted() \
96 (mycpu->gd_reqflags & RQF_AST_LWKT_RESCHED)
97#define any_resched_wanted() \
98 (mycpu->gd_reqflags & (RQF_AST_LWKT_RESCHED|RQF_AST_USER_RESCHED))
d7f50089 99
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100/*
101 * CTL_MACHDEP definitions.
102 */
103#define CPU_CONSDEV 1 /* cdev_t: console terminal device */
104#define CPU_ADJKERNTZ 2 /* int: timezone offset (seconds) */
105#define CPU_DISRTCSET 3 /* int: disable resettodr() call */
106#define CPU_BOOTINFO 4 /* struct: bootinfo */
107#define CPU_WALLCLOCK 5 /* int: indicates wall CMOS clock */
108#define CPU_MAXID 6 /* number of valid machdep ids */
109
110#define CTL_MACHDEP_NAMES { \
111 { 0, 0 }, \
112 { "console_device", CTLTYPE_STRUCT }, \
113 { "adjkerntz", CTLTYPE_INT }, \
114 { "disable_rtc_set", CTLTYPE_INT }, \
115 { "bootinfo", CTLTYPE_STRUCT }, \
116 { "wall_cmos_clock", CTLTYPE_INT }, \
117}
118
d7f50089 119#ifdef _KERNEL
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120
121struct lwp;
122
123extern char btext[];
124extern char etext[];
125
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126void fork_trampoline (void);
127void generic_lwp_return (struct lwp *, struct trapframe *);
128void fork_return (struct lwp *, struct trapframe *);
46d4e165 129
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130#endif
131
fc3f9779 132#endif /* !_CPU_CPU_H_ */