4 * Copyright (c) 2003 Matthew Dillon <dillon@backplane.com>
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
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.
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
28 * $DragonFly: src/lib/libcaps/globaldata.c,v 1.2 2003/12/04 22:06:19 dillon Exp $
33 struct globaldata gdary[MAXVCPU];
37 u_int32_t stopped_cpus;
41 * Master globaldata init
44 globaldata_init(thread_t td)
46 mi_gdinit(&gdary[0], 0);
48 gdary[0].gd_curthread = td;
49 lwkt_init_thread(td, NULL, TDF_RUNNING, mycpu);
54 * per-cpu globaldata init. Calls lwkt_gdinit() and md_gdinit(). Returns
55 * with the target cpu left in a critical section.
58 mi_gdinit(globaldata_t gd, int cpuid)
60 bzero(gd, sizeof(*gd));
61 TAILQ_INIT(&gd->gd_tdfreeq);
64 gd->gd_upcall.magic = UPCALL_MAGIC;
65 gd->gd_upcall.crit_count = UPC_CRITADD;
66 gd->gd_upcid = upc_register(&gd->gd_upcall, upc_callused_wrapper,
67 (void *)lwkt_process_ipiq, gd);
68 gd->gd_ipiq = malloc(sizeof(lwkt_ipiq) * MAXVCPU);
69 bzero(gd->gd_ipiq, sizeof(lwkt_ipiq) * MAXVCPU);
71 panic("upc_register: failed on cpu %d\n", cpuid);
77 globaldata_find(int cpu)
79 KKASSERT(cpu >= 0 && cpu < ncpus);
84 libcaps_alloc_stack(int stksize)
86 return(malloc(stksize));
90 libcaps_free_stack(void *stk, int stksize)
107 cpu_send_ipiq(int dcpu)
109 upc_control(UPC_CONTROL_DISPATCH, gdary[dcpu].gd_upcid, (void *)TDPRI_CRIT);
113 panic(const char *ctl, ...)
118 vfprintf(stderr, ctl, va);