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92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
/* $NetBSD: cpu.h,v 1.15 2011/03/21 16:41:08 pooka Exp $ */
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/*
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* Copyright (c) 2008-2011 Antti Kantee. 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 AUTHOR ``AS IS'' AND ANY EXPRESS
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* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
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* DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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#ifndef _SYS_RUMP_CPU_H_
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#define _SYS_RUMP_CPU_H_
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#ifndef _LOCORE
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#include <sys/cpu_data.h>
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#include <machine/pcb.h>
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struct cpu_info {
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struct cpu_data ci_data;
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cpuid_t ci_cpuid;
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struct lwp *ci_curlwp;
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struct cpu_info *ci_next;
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/*
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* XXX: horrible workaround for vax lock.h.
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* I eventually want to nuke rump include/machine, so don't waste
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* energy fighting with this.
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*/
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#ifdef __vax__
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int ci_ipimsgs;
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#define IPI_SEND_CNCHAR 0
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#define IPI_DDB 0
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#endif /* __vax__ */
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/*
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* More stinky hacks, this time for powerpc. Will go away eventually.
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*/
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#ifdef __powerpc__
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struct cache_info {
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int dcache_size;
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int dcache_line_size;
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int icache_size;
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int icache_line_size;
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} ci_ci;
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#endif /* __powerpc */
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};
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/* more dirty rotten vax kludges */
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#ifdef __vax__
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static __inline void cpu_handle_ipi(void) {}
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#endif /* __vax__ */
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#ifdef __powerpc__
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void __syncicache(void *, size_t);
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#endif
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struct lwp *rumpuser_get_curlwp(void);
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#define curlwp rumpuser_get_curlwp()
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#define curcpu() (curlwp->l_cpu)
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#define cpu_number() (cpu_index(curcpu))
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extern struct cpu_info *rumpcpu_info_list;
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#define CPU_INFO_ITERATOR int
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#define CPU_INFO_FOREACH(_cii_, _ci_) _cii_ = 0, _ci_ = rumpcpu_info_list; \
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_ci_ != NULL; _ci_ = _ci_->ci_next
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#define CPU_IS_PRIMARY(_ci_) (_ci_->ci_index == 0)
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#endif /* !_LOCORE */
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#endif /* _SYS_RUMP_CPU_H_ */
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