b40ce02a2f
new platform module. These are probed in early boot, and have the responsibility of determining the layout of physical memory, determining the CPU timebase frequency, and handling the zoo of SMP mechanisms found on PowerPC. Reviewed by: marcel, raj Book-E parts by: raj
56 lines
1.8 KiB
C
56 lines
1.8 KiB
C
/*-
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* Copyright (c) 2008 Marcel Moolenaar
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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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*
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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 OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#ifndef _MACHINE_SMP_H_
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#define _MACHINE_SMP_H_
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#ifdef _KERNEL
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#define IPI_AST 0
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#define IPI_PREEMPT 1
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#define IPI_RENDEZVOUS 2
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#define IPI_STOP 3
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#ifndef LOCORE
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void ipi_all_but_self(int ipi);
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void ipi_selected(cpumask_t cpus, int ipi);
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struct cpuref {
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uintptr_t cr_hwref;
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u_int cr_cpuid;
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};
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void pmap_cpu_bootstrap(int);
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uint32_t cpudep_ap_bootstrap(void);
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void machdep_ap_bootstrap(void);
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#endif /* !LOCORE */
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#endif /* _KERNEL */
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#endif /* !_MACHINE_SMP_H */
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