AMD64 - Fix many compile-time warnings. int/ptr type mismatches, %llx, etc.
[dragonfly.git] / sys / cpu / amd64 / 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 $
d7f50089 38 * $DragonFly: src/sys/cpu/amd64/include/cpu.h,v 1.2 2007/09/23 04:29:30 yanyh Exp $
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39 */
40
41#ifndef _CPU_CPU_H_
42#define _CPU_CPU_H_
43
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44#define CLKF_INTR(framep) (mycpu->gd_intr_nesting_level > 1 || (curthread->td_flags & TDF_INTTHREAD))
45#define CLKF_PC(framep) ((framep)->if_rip)
46
47/*
48 * Preempt the current process if in interrupt from user mode,
49 * or after the current trap/syscall if in system mode.
50 *
51 * We do not have to use a locked bus cycle but we do have to use an
52 * atomic instruction because an interrupt on the local cpu can modify
53 * the gd_reqflags field.
54 */
55#define need_lwkt_resched() \
56 atomic_set_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
57#define need_user_resched() \
58 atomic_set_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
59#define need_proftick() \
60 atomic_set_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_OWEUPC)
61#define signotify() \
62 atomic_set_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_SIGNAL)
63#define sigupcall() \
64 atomic_set_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_UPCALL)
65#define clear_lwkt_resched() \
66 atomic_clear_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_LWKT_RESCHED)
67#define clear_user_resched() \
68 atomic_clear_int_nonlocked(&mycpu->gd_reqflags, RQF_AST_USER_RESCHED)
69#define user_resched_wanted() \
70 (mycpu->gd_reqflags & RQF_AST_USER_RESCHED)
71#define lwkt_resched_wanted() \
72 (mycpu->gd_reqflags & RQF_AST_LWKT_RESCHED)
73
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74/*
75 * CTL_MACHDEP definitions.
76 */
77#define CPU_CONSDEV 1 /* cdev_t: console terminal device */
78#define CPU_ADJKERNTZ 2 /* int: timezone offset (seconds) */
79#define CPU_DISRTCSET 3 /* int: disable resettodr() call */
80#define CPU_BOOTINFO 4 /* struct: bootinfo */
81#define CPU_WALLCLOCK 5 /* int: indicates wall CMOS clock */
82#define CPU_MAXID 6 /* number of valid machdep ids */
83
84#define CTL_MACHDEP_NAMES { \
85 { 0, 0 }, \
86 { "console_device", CTLTYPE_STRUCT }, \
87 { "adjkerntz", CTLTYPE_INT }, \
88 { "disable_rtc_set", CTLTYPE_INT }, \
89 { "bootinfo", CTLTYPE_STRUCT }, \
90 { "wall_cmos_clock", CTLTYPE_INT }, \
91}
92
d7f50089 93#ifdef _KERNEL
973c11b9 94struct lwp;
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95void fork_trampoline (void);
96void generic_lwp_return (struct lwp *, struct trapframe *);
97void fork_return (struct lwp *, struct trapframe *);
98#endif
99
fc3f9779 100#endif /* !_CPU_CPU_H_ */