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897cd717a5
work in progress and has never booted a real machine. Initial development and testing was done using SimOS (see http://simos.stanford.edu for details). On the SimOS simulator, this port successfully reaches single-user mode and has been tested with loads as high as one copy of /bin/ls :-). Obtained from: partly from NetBSD/alpha
92 lines
2.9 KiB
C
92 lines
2.9 KiB
C
/* $NetBSD: tlsbmem.c,v 1.6 1998/01/12 10:21:25 thorpej Exp $ */
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/*
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* Copyright (c) 1997 by Matthew Jacob
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* NASA AMES Research Center.
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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 immediately at the beginning of the file, without modification,
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* 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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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR 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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/*
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* Dummy Node for TLSB Memory Modules found on
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* AlphaServer 8200 and 8400 systems.
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*/
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#include <sys/cdefs.h> /* RCS ID & Copyright macro defns */
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__KERNEL_RCSID(0, "$NetBSD: tlsbmem.c,v 1.6 1998/01/12 10:21:25 thorpej Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/device.h>
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#include <sys/malloc.h>
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#include <machine/autoconf.h>
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#include <machine/rpb.h>
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#include <machine/pte.h>
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#include <alpha/tlsb/tlsbreg.h>
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#include <alpha/tlsb/tlsbvar.h>
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struct tlsbmem_softc {
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struct device sc_dv;
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int sc_node; /* TLSB node */
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u_int16_t sc_dtype; /* device type */
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};
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static int tlsbmemmatch __P((struct device *, struct cfdata *, void *));
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static void tlsbmemattach __P((struct device *, struct device *, void *));
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struct cfattach tlsbmem_ca = {
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sizeof (struct tlsbmem_softc), tlsbmemmatch, tlsbmemattach
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};
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static int
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tlsbmemmatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct tlsb_dev_attach_args *ta = aux;
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if (TLDEV_ISMEM(ta->ta_dtype))
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return (1);
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return (0);
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}
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static void
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tlsbmemattach(parent, self, aux)
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struct device *parent;
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struct device *self;
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void *aux;
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{
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struct tlsb_dev_attach_args *ta = aux;
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struct tlsbmem_softc *sc = (struct tlsbmem_softc *)self;
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sc->sc_node = ta->ta_node;
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sc->sc_dtype = ta->ta_dtype;
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printf("\n");
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}
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