1/* $FreeBSD: head/sys/ia64/include/cpu.h 118607 2003-08-07 15:04:27Z jhb $ */
2/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
3
4/*
5 * Copyright (c) 1988 University of Utah.
6 * Copyright (c) 1982, 1990, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * the Systems Programming Group of the University of Utah Computer
11 * Science Department.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 * from: Utah $Hdr: cpu.h 1.16 91/03/25$
42 *
43 * @(#)cpu.h 8.4 (Berkeley) 1/5/94
44 */
45
46#ifndef _MACHINE_CPU_H_
47#define _MACHINE_CPU_H_
48
49#include <machine/frame.h>
50
51/*
52 * Arguments to hardclock and gatherstats encapsulate the previous machine
53 * state in an opaque clockframe.
54 */
55struct clockframe {
56 struct trapframe cf_tf;
57};
58#define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip)
59#define CLKF_USERMODE(cf) ((CLKF_PC(cf) >> 61) < 5)
60
61/* Used by signaling code. */
62#define cpu_getstack(td) ((td)->td_frame->tf_special.sp)
63
64#define TRAPF_PC(tf) ((tf)->tf_special.iip)
65#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL)
66/*
67 * User mode for use by ast() and VM faults. It's takes into account
68 * that the gateway page is kernel space when looking at the VA, but
69 * is to be treated as user space when running with user priveleges.
70 */
71#define TRAPF_USERMODE(tf) \
72 ((TRAPF_PC(tf) >> 61) < 5 || TRAPF_CPL(tf) == IA64_PSR_CPL_USER)
73
74/*
75 * CTL_MACHDEP definitions.
76 */
77#define CPU_CONSDEV 1 /* dev_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_WALLCLOCK 4 /* int: indicates wall CMOS clock */
81#define CPU_MAXID 5 /* valid machdep IDs */
82
83#define CTL_MACHDEP_NAMES { \
84 { 0, 0 }, \
85 { "console_device", CTLTYPE_STRUCT }, \
86 { "adjkerntz", CTLTYPE_INT }, \
87 { "disable_rtc_set", CTLTYPE_INT }, \
88 { "wall_cmos_clock", CTLTYPE_INT }, \
89}
90
91#ifdef _KERNEL
92
93struct pcb;
94struct thread;
95struct reg;
96struct rpb;
97struct trapframe;
98
99u_int64_t console_restart(u_int64_t, u_int64_t, u_int64_t);
100int do_ast(struct trapframe *);
101void dumpconf(void);
102void frametoreg(struct trapframe *, struct reg *);
103long fswintrberr(void); /* MAGIC */
104int ia64_highfp_drop(struct thread *);
105int ia64_highfp_load(struct thread *);
106int ia64_highfp_save(struct thread *);
107void ia64_init(void);
108void init_prom_interface(struct rpb*);
109void interrupt(u_int64_t, struct trapframe *);
110void machine_check(unsigned long, struct trapframe *, unsigned long,
111 unsigned long);
112void regdump(struct trapframe *);
113void regtoframe(struct reg *, struct trapframe *);
114void set_iointr(void (*)(void *, unsigned long));
115void fork_trampoline(void); /* MAGIC */
116int syscall(struct trapframe *);
117void trap(int vector, struct trapframe *framep);
118void ia64_probe_sapics(void);
119int ia64_count_cpus(void);
120void map_gateway_page(void);
121void map_pal_code(void);
122void map_port_space(void);
123void cpu_mp_add(u_int, u_int, u_int);
124
125/*
126 * Return contents of in-cpu fast counter as a sort of "bogo-time"
127 * for non-critical timing.
128 */
129static __inline u_int64_t
130get_cyclecount(void)
131{
132 return (ia64_get_itc());
133}
134
135#endif /* _KERNEL */
136
137#endif /* _MACHINE_CPU_H_ */
2/* From: NetBSD: cpu.h,v 1.18 1997/09/23 23:17:49 mjacob Exp */
3
4/*
5 * Copyright (c) 1988 University of Utah.
6 * Copyright (c) 1982, 1990, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * the Systems Programming Group of the University of Utah Computer
11 * Science Department.
12 *
13 * Redistribution and use in source and binary forms, with or without
14 * modification, are permitted provided that the following conditions
15 * are met:
16 * 1. Redistributions of source code must retain the above copyright
17 * notice, this list of conditions and the following disclaimer.
18 * 2. Redistributions in binary form must reproduce the above copyright
19 * notice, this list of conditions and the following disclaimer in the
20 * documentation and/or other materials provided with the distribution.
21 * 3. All advertising materials mentioning features or use of this software
22 * must display the following acknowledgement:
23 * This product includes software developed by the University of
24 * California, Berkeley and its contributors.
25 * 4. Neither the name of the University nor the names of its contributors
26 * may be used to endorse or promote products derived from this software
27 * without specific prior written permission.
28 *
29 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
30 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
31 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
32 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
33 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
34 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
35 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
36 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
37 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
38 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
39 * SUCH DAMAGE.
40 *
41 * from: Utah $Hdr: cpu.h 1.16 91/03/25$
42 *
43 * @(#)cpu.h 8.4 (Berkeley) 1/5/94
44 */
45
46#ifndef _MACHINE_CPU_H_
47#define _MACHINE_CPU_H_
48
49#include <machine/frame.h>
50
51/*
52 * Arguments to hardclock and gatherstats encapsulate the previous machine
53 * state in an opaque clockframe.
54 */
55struct clockframe {
56 struct trapframe cf_tf;
57};
58#define CLKF_PC(cf) ((cf)->cf_tf.tf_special.iip)
59#define CLKF_USERMODE(cf) ((CLKF_PC(cf) >> 61) < 5)
60
61/* Used by signaling code. */
62#define cpu_getstack(td) ((td)->td_frame->tf_special.sp)
63
64#define TRAPF_PC(tf) ((tf)->tf_special.iip)
65#define TRAPF_CPL(tf) ((tf)->tf_special.psr & IA64_PSR_CPL)
66/*
67 * User mode for use by ast() and VM faults. It's takes into account
68 * that the gateway page is kernel space when looking at the VA, but
69 * is to be treated as user space when running with user priveleges.
70 */
71#define TRAPF_USERMODE(tf) \
72 ((TRAPF_PC(tf) >> 61) < 5 || TRAPF_CPL(tf) == IA64_PSR_CPL_USER)
73
74/*
75 * CTL_MACHDEP definitions.
76 */
77#define CPU_CONSDEV 1 /* dev_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_WALLCLOCK 4 /* int: indicates wall CMOS clock */
81#define CPU_MAXID 5 /* valid machdep IDs */
82
83#define CTL_MACHDEP_NAMES { \
84 { 0, 0 }, \
85 { "console_device", CTLTYPE_STRUCT }, \
86 { "adjkerntz", CTLTYPE_INT }, \
87 { "disable_rtc_set", CTLTYPE_INT }, \
88 { "wall_cmos_clock", CTLTYPE_INT }, \
89}
90
91#ifdef _KERNEL
92
93struct pcb;
94struct thread;
95struct reg;
96struct rpb;
97struct trapframe;
98
99u_int64_t console_restart(u_int64_t, u_int64_t, u_int64_t);
100int do_ast(struct trapframe *);
101void dumpconf(void);
102void frametoreg(struct trapframe *, struct reg *);
103long fswintrberr(void); /* MAGIC */
104int ia64_highfp_drop(struct thread *);
105int ia64_highfp_load(struct thread *);
106int ia64_highfp_save(struct thread *);
107void ia64_init(void);
108void init_prom_interface(struct rpb*);
109void interrupt(u_int64_t, struct trapframe *);
110void machine_check(unsigned long, struct trapframe *, unsigned long,
111 unsigned long);
112void regdump(struct trapframe *);
113void regtoframe(struct reg *, struct trapframe *);
114void set_iointr(void (*)(void *, unsigned long));
115void fork_trampoline(void); /* MAGIC */
116int syscall(struct trapframe *);
117void trap(int vector, struct trapframe *framep);
118void ia64_probe_sapics(void);
119int ia64_count_cpus(void);
120void map_gateway_page(void);
121void map_pal_code(void);
122void map_port_space(void);
123void cpu_mp_add(u_int, u_int, u_int);
124
125/*
126 * Return contents of in-cpu fast counter as a sort of "bogo-time"
127 * for non-critical timing.
128 */
129static __inline u_int64_t
130get_cyclecount(void)
131{
132 return (ia64_get_itc());
133}
134
135#endif /* _KERNEL */
136
137#endif /* _MACHINE_CPU_H_ */