141 lines
4.5 KiB
C
141 lines
4.5 KiB
C
/* $NetBSD: kcore.h,v 1.4 2001/05/21 14:48:58 fredette Exp $ */
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/*-
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* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Gordon W. Ross, Jason R. Thorpe, and Leo Weppelman.
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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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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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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 _M68K_KCORE_H_
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#define _M68K_KCORE_H_
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/*
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* Unified m68k kcore header descriptions.
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*
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* NOTE: We must have all possible m68k kcore types defined in this
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* file. Otherwise, we require kernel sources for all m68k platforms
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* to build userland.
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*
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* We must provide STE/PTE bits in the kcore header for a couple
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* of reasons:
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*
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* - different platforms may have the MMUs configured for different
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* page sizes
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* - we may not have a specific platform's pte.h available to us
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*
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* These are on-disk structures; use fixed-sized types!
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*
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* The total size of the cpu_kcore_hdr should be <= DEV_BSIZE!
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*/
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/*
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* kcore information for Utah-derived pmaps
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*/
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#define M68K_NPHYS_RAM_SEGS 8 /* XXX */
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struct m68k_kcore_hdr {
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int32_t mmutype; /* MMU type */
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u_int32_t sg_v; /* STE bits */
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u_int32_t sg_frame;
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u_int32_t sg_ishift;
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u_int32_t sg_pmask;
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u_int32_t sg40_shift1;
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u_int32_t sg40_mask2;
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u_int32_t sg40_shift2;
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u_int32_t sg40_mask3;
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u_int32_t sg40_shift3;
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u_int32_t sg40_addr1;
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u_int32_t sg40_addr2;
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u_int32_t pg_v; /* PTE bits */
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u_int32_t pg_frame;
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u_int32_t sysseg_pa; /* PA of Sysseg[] */
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u_int32_t reloc; /* value added to relocate a symbol
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before address translation is
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enabled */
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u_int32_t relocend; /* if kernbase < va < relocend, we
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can do simple relocation to get
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the physical address */
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phys_ram_seg_t ram_segs[M68K_NPHYS_RAM_SEGS];
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};
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/*
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* kcore information for the sun2
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*/
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struct sun2_kcore_hdr {
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u_int32_t segshift;
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u_int32_t pg_frame; /* PTE bits */
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u_int32_t pg_valid;
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u_int8_t ksegmap[512]; /* kernel segment map */
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};
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/*
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* kcore information for the sun3
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*/
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struct sun3_kcore_hdr {
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u_int32_t segshift;
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u_int32_t pg_frame; /* PTE bits */
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u_int32_t pg_valid;
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u_int8_t ksegmap[256]; /* kernel segment map */
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};
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/*
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* kcore information for the sun3x; Motorola MMU, but a very
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* different pmap.
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*/
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#define SUN3X_NPHYS_RAM_SEGS 4
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struct sun3x_kcore_hdr {
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u_int32_t pg_frame; /* PTE bits */
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u_int32_t pg_valid;
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u_int32_t contig_end;
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u_int32_t kernCbase; /* VA of kernel level C page table */
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phys_ram_seg_t ram_segs[SUN3X_NPHYS_RAM_SEGS];
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};
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/*
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* Catch-all header. "un" is interpreted based on the contents of "name".
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*/
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struct cpu_kcore_hdr {
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char name[16]; /* machine name */
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u_int32_t page_size; /* hardware page size */
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u_int32_t kernbase; /* start of KVA space */
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union {
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struct m68k_kcore_hdr _m68k;
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struct sun2_kcore_hdr _sun2;
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struct sun3_kcore_hdr _sun3;
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struct sun3x_kcore_hdr _sun3x;
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} un;
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};
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typedef struct cpu_kcore_hdr cpu_kcore_hdr_t;
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#endif /* _M68K_KCORE_H_ */
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