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cd6421ca76
CPU's structure.
88 lines
3.0 KiB
C
88 lines
3.0 KiB
C
/* $FreeBSD$ */
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/* $NetBSD: tlsbvar.h,v 1.5 1998/05/13 23:23:23 thorpej Exp $ */
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/*
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* Copyright (c) 1997, 2000 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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* Based in part upon a prototype version by Jason Thorpe
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* Copyright (c) 1996 by Jason Thorpe.
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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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* Definitions for the TurboLaser System Bus found on
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* AlphaServer 8200/8400 systems.
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*/
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enum tlsb_device_instvars {
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TLSB_IVAR_NODE,
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TLSB_IVAR_DTYPE,
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TLSB_IVAR_SWREV,
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TLSB_IVAR_HWREV
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};
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/*
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* Simplified accessors for turbolaser devices
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*/
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#define TLSB_ACCESSOR(A, B, T) \
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\
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static __inline T tlsb_get_ ## A(device_t dev) \
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{ \
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u_long v; \
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BUS_READ_IVAR(device_get_parent(dev), dev, TLSB_IVAR_ ## B, &v); \
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return v; \
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}
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TLSB_ACCESSOR(node, NODE, int)
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TLSB_ACCESSOR(dtype, DTYPE, u_int16_t)
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TLSB_ACCESSOR(hwrev, HWREV, u_int8_t)
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TLSB_ACCESSOR(swrev, SWREV, u_int8_t)
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/*
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* Bus-dependent structure for CPUs. This is dynamically allocated
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* for each CPU on the TurboLaser, and glued into the cpu_softc
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* as sc_busdep (when there is a cpu_softc to do this to).
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*/
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struct tlsb_cpu_busdep {
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u_int8_t tcpu_vid; /* virtual ID of CPU */
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int tcpu_node; /* TurboLaser node */
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};
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/*
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* The structure used to attach devices to the TurboLaser.
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*/
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struct tlsb_device {
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int td_node; /* node number (TLSB slot) */
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u_int32_t td_tldev; /* tl device id */
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};
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#define DEVTOTLSB(dev) ((struct tlsb_device *) device_get_ivars(dev))
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#ifdef _KERNEL
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extern struct tlsb_device *tlsb_primary_cpu;
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#endif
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