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 <sys/sysctl.h>
34 #include <machine/pcb.h>
37 u_long pcs_nasts; /* IPI_AST counter. */
38 u_long pcs_nclks; /* Clock interrupt counter. */
39 u_long pcs_nextints; /* ExtINT counter. */
40 u_long pcs_nhardclocks; /* IPI_HARDCLOCK counter. */
41 u_long pcs_nhighfps; /* IPI_HIGH_FP counter. */
42 u_long pcs_nhwints; /* Hardware int. counter. */
43 u_long pcs_npreempts; /* IPI_PREEMPT counter. */
44 u_long pcs_nrdvs; /* IPI_RENDEZVOUS counter. */
45 u_long pcs_nstops; /* IPI_STOP counter. */
46 u_long pcs_nstrays; /* Stray interrupt counter. */
50 struct pcb pcb; /* Used by IPI_STOP */
51 struct pmap *current_pmap; /* active pmap */
52 vm_offset_t vhpt; /* Address of VHPT */
53 uint64_t lid; /* local CPU ID */
54 uint64_t clock; /* Clock counter. */
55 uint64_t clock_load; /* Clock reload value. */
56 uint32_t clock_mode; /* Clock ET mode */
57 uint32_t awake:1; /* CPU is awake? */
58 struct pcpu_stats stats; /* Interrupt stats. */
60 struct sysctl_ctx_list sysctl_ctx;
61 struct sysctl_oid *sysctl_tree;
65 #define PCPU_MD_FIELDS \
66 uint32_t pc_acpi_id; /* ACPI CPU id. */ \
67 struct pcpu_md pc_md; /* MD fields. */ \
74 register struct pcpu * volatile pcpup __asm__("r13");
76 static __inline __pure2 struct thread *
81 __asm("ld8.acq %0=[r13]" : "=r"(td));
84 #define curthread (__curthread())
86 #define PCPU_GET(member) (pcpup->pc_ ## member)
89 * XXX The implementation of this operation should be made atomic
90 * with respect to preemption.
92 #define PCPU_ADD(member, value) (pcpup->pc_ ## member += (value))
93 #define PCPU_INC(member) PCPU_ADD(member, 1)
94 #define PCPU_PTR(member) (&pcpup->pc_ ## member)
95 #define PCPU_SET(member,value) (pcpup->pc_ ## member = (value))
99 #endif /* !_MACHINE_PCPU_H_ */