94 lines
2.7 KiB
C
94 lines
2.7 KiB
C
/* $NetBSD: cpu.h,v 1.9 2012/01/19 12:14:49 reinoud Exp $ */
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/*-
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* Copyright (c) 2007 Jared D. McNeill <jmcneill@invisible.ca>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _ARCH_USERMODE_INCLUDE_CPU_H
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#define _ARCH_USERMODE_INCLUDE_CPU_H
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#include <sys/device.h>
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#include <sys/cpu_data.h>
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#include <machine/intrdefs.h>
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extern void cpu_signotify(struct lwp *);
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extern void cpu_need_proftick(struct lwp *);
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extern void userret(struct lwp *);
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#define curcpu() usermode_curcpu()
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#define cpu_number() 0
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#define cpu_proc_fork(p1, p2)
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struct cpu_info;
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extern int astpending;
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#define aston(ci) (astpending++)
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extern void cpu_need_resched(struct cpu_info *ci, int flags);
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struct cpu_info {
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device_t ci_dev;
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struct cpu_info *ci_self;
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struct cpu_info *ci_next;
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struct cpu_data ci_data;
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u_int ci_cpuid;
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int ci_want_resched;
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int ci_idepth;
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volatile int ci_mtx_count;
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volatile int ci_mtx_oldspl;
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lwp_t *ci_curlwp;
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lwp_t *ci_stash;
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};
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__inline static struct cpu_info * __attribute__((__unused__))
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usermode_curcpu(void)
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{
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extern struct cpu_info cpu_info_primary;
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return &cpu_info_primary;
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}
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__inline static void
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usermode_delay(unsigned int ms)
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{
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extern int thunk_usleep(unsigned int);
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thunk_usleep(ms);
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}
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#define delay(ms) usermode_delay(ms)
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#define DELAY(ms) usermode_delay(ms)
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/* XXXJDM */
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struct clockframe {
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uint8_t cf_dummy;
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};
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#define CLKF_USERMODE(frame) 0
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#define CLKF_PC(frame) 0
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#define CLKF_INTR(frame) 0
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#endif /* !_ARCH_USERMODE_INCLUDE_CPU_H */
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