1 /* $NetBSD: intr.h,v 1.15 2021/11/02 11:26:04 ryo Exp $ */
2
3 /*-
4 * Copyright (c) 2002 The NetBSD Foundation, Inc.
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
17 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26 * POSSIBILITY OF SUCH DAMAGE.
27 */
28
29 #ifndef _EVBSH3_INTR_H_
30 #define _EVBSH3_INTR_H_
31
32 #include <sh3/intr.h>
33
34 /* Number of interrupt source */
35 #define _INTR_N 16 /* TMU0, TMU1, TMU2, (SCIF and SCI) * 4 */
36
37 /* Interrupt priority levels */
38 #define IPL_VM 12
39 #define IPL_SCHED 14 /* clock */
40 #define IPL_HIGH 15 /* everything */
41
42 typedef uint8_t ipl_t;
43 typedef struct {
44 ipl_t _ipl;
45 } ipl_cookie_t;
46
47 static inline __always_inline ipl_cookie_t
makeiplcookie(ipl_t ipl)48 makeiplcookie(ipl_t ipl)
49 {
50
51 return (ipl_cookie_t){._ipl = ipl << 4};
52 }
53
54 static inline __always_inline int
splraiseipl(ipl_cookie_t icookie)55 splraiseipl(ipl_cookie_t icookie)
56 {
57
58 return _cpu_intr_raise(icookie._ipl);
59 }
60
61 #include <sys/spl.h>
62
63 #define spl0() _cpu_intr_resume(0)
64 #define splx(x) _cpu_intr_resume(x)
65
66 #endif /* !_EVBSH3_INTR_H_ */
67