2 * Copyright (c) 2003 John Baldwin <jhb@FreeBSD.org>
3 * Copyright (c) 1996, by Steve Passe
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. The name of the developer may NOT be used to endorse or promote products
12 * derived from this software without specific prior written permission.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
30 #include <sys/param.h>
32 #include <sys/kernel.h>
35 #include <vm/vm_param.h>
38 #include <machine/frame.h>
39 #include <machine/intr_machdep.h>
40 #include <machine/apicvar.h>
42 #include <xen/hypervisor.h>
43 #include <xen/xen-os.h>
44 #include <machine/smp.h>
45 #include <xen/interface/vcpu.h>
48 static int mptable_probe(void);
49 static int mptable_probe_cpus(void);
50 static void mptable_register(void *dummy);
51 static int mptable_setup_local(void);
52 static int mptable_setup_io(void);
54 static struct apic_enumerator mptable_enumerator = {
70 mptable_probe_cpus(void)
74 for (i = 0; i < MAXCPU; i++) {
75 rc = HYPERVISOR_vcpu_op(VCPUOP_is_up, i, NULL);
84 * Initialize the local APIC on the BSP.
87 mptable_setup_local(void)
96 mptable_setup_io(void)
103 mptable_register(void *dummy __unused)
106 apic_register_enumerator(&mptable_enumerator);
108 SYSINIT(mptable_register, SI_SUB_TUNABLES - 1, SI_ORDER_FIRST, mptable_register,