1 /* $NetBSD: cpu.h,v 1.24 2019/12/04 03:04:52 riastradh Exp $ */
2
3 /*
4 * Copyright (c) 2008-2011 Antti Kantee. All Rights Reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
16 * OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
17 * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
18 * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
21 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 */
27
28 /*
29 * CPU defitions for a generic arch. Unfortunately there are some
30 * MD #ifdefs here. They are required because of MD inlines and macros.
31 */
32
33 #ifndef _SYS_RUMP_CPU_H_
34 #define _SYS_RUMP_CPU_H_
35
36 #ifndef _LOCORE
37
38 #include <sys/cpu_data.h>
39 #include <machine/pcb.h>
40
41 #include "rump_curlwp.h"
42
43 struct cpu_info {
44 struct cpu_data ci_data;
45 cpuid_t ci_cpuid;
46 struct lwp *ci_curlwp;
47 struct lwp *ci_onproc;
48
49 struct cpu_info *ci_next;
50
51 #ifdef __alpha__
52 uint64_t ci_pcc_freq;
53 #endif
54
55 #ifdef __vax__
56 int ci_ipimsgs;
57 #define IPI_SEND_CNCHAR 0
58 #define IPI_DDB 0
59 #endif /* __vax__ */
60
61 #ifdef __powerpc__
62 struct cache_info {
63 int dcache_size;
64 int dcache_line_size;
65 int icache_size;
66 int icache_line_size;
67 } ci_ci;
68 #endif /* __powerpc */
69 };
70
71 #ifdef __vax__
cpu_handle_ipi(void)72 static __inline void cpu_handle_ipi(void) {}
73 #endif /* __vax__ */
74
75 #ifdef __powerpc__
76 void __syncicache(void *, size_t);
77 #endif /* __powerpc__ */
78
79 #define curlwp rump_curlwp_fast()
80
81 #define curcpu() (curlwp->l_cpu)
82 #define cpu_number() (cpu_index(curcpu()))
83
84 extern struct cpu_info *rumpcpu_info_list;
85 #define CPU_INFO_ITERATOR int __unused
86 #define CPU_INFO_FOREACH(_cii_, _ci_) _cii_ = 0, _ci_ = rumpcpu_info_list; \
87 _ci_ != NULL; _ci_ = _ci_->ci_next
88 #define CPU_IS_PRIMARY(_ci_) (_ci_->ci_index == 0)
89
90 #define CLKF_USERMODE(framep) 0
91 #define CLKF_PC(framep) 0
92 #define CLKF_INTR(framep) 0
93
94 #endif /* !_LOCORE */
95
96 #endif /* _SYS_RUMP_CPU_H_ */
97