1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
|
/* $OpenBSD: intr.h,v 1.13 2002/04/29 07:35:18 miod Exp $ */
/*
* Copyright (c) 1990,1991,1992,1994 The University of Utah and
* the Computer Systems Laboratory at the University of Utah (CSL).
* All rights reserved.
*
* Permission to use, copy, modify and distribute this software is hereby
* granted provided that (1) source code retains these copyright, permission,
* and disclaimer notices, and (2) redistributions including binaries
* reproduce the notices in supporting documentation, and (3) all advertising
* materials mentioning features or use of this software display the following
* acknowledgement: ``This product includes software developed by the
* Computer Systems Laboratory at the University of Utah.''
*
* THE UNIVERSITY OF UTAH AND CSL ALLOW FREE USE OF THIS SOFTWARE IN ITS "AS
* IS" CONDITION. THE UNIVERSITY OF UTAH AND CSL DISCLAIM ANY LIABILITY OF
* ANY KIND FOR ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* CSL requests users of this software to return to csl-dist@cs.utah.edu any
* improvements that they make and grant CSL redistribution rights.
*
* Utah $Hdr: machspl.h 1.16 94/12/14$
* Author: Jeff Forys, Bob Wheeler, University of Utah CSL
*/
#ifndef _MACHINE_INTR_H_
#define _MACHINE_INTR_H_
#include <machine/psl.h>
#define CPU_NINTS 32
#define CPU_INTITMR (0x80000000)
#define IPL_NONE (0xffffffff)
#define IPL_BIO (0x80000000)
#define IPL_NET (0x80000000)
#define IPL_TTY (0x80000000)
#define IPL_IO (IPL_BIO|IPL_NET|IPL_TTY)
#define IPL_CLOCK (0)
#define IPL_HIGH (0)
#define IST_NONE 0
#define IST_PULSE 1
#define IST_EDGE 2
#define IST_LEVEL 3
#if !defined(_LOCORE)
/* SPL asserts */
#define splassert(wantipl) /* nothing */
/*
* Define the machine-independent SPL routines in terms of splx().
*/
#define splraise(splhval) ({ \
register u_int _ctl_r; \
__asm __volatile("mfctl %%cr15,%0\n\t" \
"mtctl %1,%%cr15" \
: "=&r" (_ctl_r): "r" (splhval)); \
_ctl_r; \
})
#define spllower(spllval) ({ \
register u_int _ctl_r; \
__asm __volatile("mfctl %%cr15,%0\n\t" \
"mtctl %1,%%cr15" \
: "=&r" (_ctl_r): "r" (spllval)); \
_ctl_r; \
})
#define splx(splval) ({ \
register u_int _ctl_r; \
__asm __volatile("mfctl %%cr15,%0\n\t" \
"mtctl %1,%%cr15\n\t" \
: "=&r" (_ctl_r): "r" (splval)); \
_ctl_r; \
})
#define spl0() spllower(IPL_NONE)
#define splsoft() spllower(IPL_CLOCK)
#define splsoftnet() splsoft()
#define spllowersoftclock() splsoft()
#define splsoftclock() splsoft()
#define splbio() spllower(IPL_BIO)
#define splnet() spllower(IPL_NET)
#define spltty() spllower(IPL_TTY)
#define splimp() spllower(IPL_CLOCK)
#define splclock() spllower(IPL_CLOCK)
#define splstatclock() spllower(IPL_CLOCK)
#define splvm() spllower(IPL_CLOCK)
#define splhigh() splraise(IPL_HIGH)
/* software interrupt register */
extern u_int32_t sir;
extern int astpending;
#define SIR_CLOCK 0x01
#define SIR_NET 0x02
#define setsoftclock() (sir |= SIR_CLOCK)
#define setsoftnet() (sir |= SIR_NET)
#define setsoftast() (astpending = 1)
#endif /* !_LOCORE */
#endif /* _MACHINE_INTR_H_ */
|
