2 * Copyright (c) 1999 Luoqi Chen <luoqi@freebsd.org>
3 * Copyright (c) Peter Wemm <peter@netplex.com.au>
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE 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
21 * OR 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
30 #ifndef _MACHINE_PCPU_H_
31 #define _MACHINE_PCPU_H_
33 #include <machine/pcb.h>
35 #define PCPU_MD_FIELDS \
36 struct pcb pc_pcb; /* Used by IPI_STOP */ \
37 struct pmap *pc_current_pmap; /* active pmap */ \
38 uint64_t pc_lid; /* local CPU ID */ \
39 uint64_t pc_clock; /* Clock counter. */ \
40 uint64_t pc_clockadj; /* Clock adjust. */ \
41 uint32_t pc_awake:1; /* CPU is awake? */ \
42 uint32_t pc_acpi_id /* ACPI CPU id. */
48 register struct pcpu *pcpup __asm__("r13");
50 #define PCPU_GET(member) (pcpup->pc_ ## member)
53 * XXX The implementation of this operation should be made atomic
54 * with respect to preemption.
56 #define PCPU_ADD(member, value) (pcpup->pc_ ## member += (value))
57 #define PCPU_INC(member) PCPU_ADD(member, 1)
58 #define PCPU_PTR(member) (&pcpup->pc_ ## member)
59 #define PCPU_SET(member,value) (pcpup->pc_ ## member = (value))
61 void pcpu_initclock(void);
65 #endif /* !_MACHINE_PCPU_H_ */