1/*-
2 * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
| 1/*-
2 * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 * from: FreeBSD: src/sys/i386/include/globaldata.h,v 1.27 2001/04/27
|
27 * $FreeBSD: head/sys/arm/include/pcpu.h 249265 2013-04-08 19:19:10Z glebius $
| 27 * $FreeBSD: head/sys/arm/include/pcpu.h 254461 2013-08-17 18:51:38Z andrew $
|
28 */
29
30#ifndef _MACHINE_PCPU_H_
31#define _MACHINE_PCPU_H_
32
33#ifdef _KERNEL
34
35#include <machine/cpuconf.h>
36#include <machine/frame.h>
37
38#define ALT_STACK_SIZE 128
39
40struct vmspace;
41
42#endif /* _KERNEL */
43
| 28 */
29
30#ifndef _MACHINE_PCPU_H_
31#define _MACHINE_PCPU_H_
32
33#ifdef _KERNEL
34
35#include <machine/cpuconf.h>
36#include <machine/frame.h>
37
38#define ALT_STACK_SIZE 128
39
40struct vmspace;
41
42#endif /* _KERNEL */
43
|
44#ifdef ARM_VFP_SUPPORT
| 44#ifdef VFP
|
45#define PCPU_MD_FIELDS \
46 unsigned int pc_cpu; \
47 unsigned int pc_vfpsid; \
48 unsigned int pc_vfpmvfr0; \
49 unsigned int pc_vfpmvfr1; \
50 struct thread *pc_vfpcthread; \
51 struct pmap *pc_curpmap; \
52 char __pad[133]
53#else
54#define PCPU_MD_FIELDS \
55 char __pad[157]
56#endif
57
58#ifdef _KERNEL
59
60struct pcb;
61struct pcpu;
62
63extern struct pcpu *pcpup;
64#if ARM_ARCH_6 || ARM_ARCH_7A
65/* or ARM_TP_ADDRESS mark REMOVE ME NOTE */
66static inline struct pcpu *
67get_pcpu(void)
68{
69 void *pcpu;
70
71 __asm __volatile("mrc p15, 0, %0, c13, c0, 4" : "=r" (pcpu));
72 return (pcpu);
73}
74
75static inline void
76set_pcpu(void *pcpu)
77{
78
79 __asm __volatile("mcr p15, 0, %0, c13, c0, 4" : : "r" (pcpu));
80}
81
82static inline void *
83get_tls(void)
84{
85 void *tls;
86
87 __asm __volatile("mrc p15, 0, %0, c13, c0, 3" : "=r" (tls));
88 return (tls);
89}
90
91static inline void
92set_tls(void *tls)
93{
94
95 __asm __volatile("mcr p15, 0, %0, c13, c0, 3" : : "r" (tls));
96}
97#else
98#define get_pcpu() pcpup
99#endif
100
101#define PCPU_GET(member) (get_pcpu()->pc_ ## member)
102#define PCPU_ADD(member, value) (get_pcpu()->pc_ ## member += (value))
103#define PCPU_INC(member) PCPU_ADD(member, 1)
104#define PCPU_PTR(member) (&get_pcpu()->pc_ ## member)
105#define PCPU_SET(member,value) (get_pcpu()->pc_ ## member = (value))
106
107void pcpu0_init(void);
108#endif /* _KERNEL */
109
110#endif /* !_MACHINE_PCPU_H_ */
| 45#define PCPU_MD_FIELDS \
46 unsigned int pc_cpu; \
47 unsigned int pc_vfpsid; \
48 unsigned int pc_vfpmvfr0; \
49 unsigned int pc_vfpmvfr1; \
50 struct thread *pc_vfpcthread; \
51 struct pmap *pc_curpmap; \
52 char __pad[133]
53#else
54#define PCPU_MD_FIELDS \
55 char __pad[157]
56#endif
57
58#ifdef _KERNEL
59
60struct pcb;
61struct pcpu;
62
63extern struct pcpu *pcpup;
64#if ARM_ARCH_6 || ARM_ARCH_7A
65/* or ARM_TP_ADDRESS mark REMOVE ME NOTE */
66static inline struct pcpu *
67get_pcpu(void)
68{
69 void *pcpu;
70
71 __asm __volatile("mrc p15, 0, %0, c13, c0, 4" : "=r" (pcpu));
72 return (pcpu);
73}
74
75static inline void
76set_pcpu(void *pcpu)
77{
78
79 __asm __volatile("mcr p15, 0, %0, c13, c0, 4" : : "r" (pcpu));
80}
81
82static inline void *
83get_tls(void)
84{
85 void *tls;
86
87 __asm __volatile("mrc p15, 0, %0, c13, c0, 3" : "=r" (tls));
88 return (tls);
89}
90
91static inline void
92set_tls(void *tls)
93{
94
95 __asm __volatile("mcr p15, 0, %0, c13, c0, 3" : : "r" (tls));
96}
97#else
98#define get_pcpu() pcpup
99#endif
100
101#define PCPU_GET(member) (get_pcpu()->pc_ ## member)
102#define PCPU_ADD(member, value) (get_pcpu()->pc_ ## member += (value))
103#define PCPU_INC(member) PCPU_ADD(member, 1)
104#define PCPU_PTR(member) (&get_pcpu()->pc_ ## member)
105#define PCPU_SET(member,value) (get_pcpu()->pc_ ## member = (value))
106
107void pcpu0_init(void);
108#endif /* _KERNEL */
109
110#endif /* !_MACHINE_PCPU_H_ */
|