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/* $NetBSD: kcore.h,v 1.7 2023/01/29 09:24:33 mlelstv Exp $ */
/*-
* Copyright (c) 1996, 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Gordon W. Ross, Jason R. Thorpe, and Leo Weppelman.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#ifndef _M68K_KCORE_H_
#define _M68K_KCORE_H_
/*
* Unified m68k kcore header descriptions.
*
* NOTE: We must have all possible m68k kcore types defined in this
* file. Otherwise, we require kernel sources for all m68k platforms
* to build userland.
*
* We must provide STE/PTE bits in the kcore header for a couple
* of reasons:
*
* - different platforms may have the MMUs configured for different
* page sizes
* - we may not have a specific platform's pte.h available to us
*
* These are on-disk structures; use fixed-sized types!
*
* The total size of the cpu_kcore_hdr should be <= DEV_BSIZE!
*/
/*
* kcore information for Utah-derived pmaps
*/
#define M68K_NPHYS_RAM_SEGS 8 /* XXX */
struct m68k_kcore_hdr {
int32_t mmutype; /* MMU type */
uint32_t sg_v; /* STE bits */
uint32_t sg_frame;
uint32_t sg_ishift;
uint32_t sg_pmask;
uint32_t sg40_shift1;
uint32_t sg40_mask2;
uint32_t sg40_shift2;
uint32_t sg40_mask3;
uint32_t sg40_shift3;
uint32_t sg40_addr1;
uint32_t sg40_addr2;
uint32_t pg_v; /* PTE bits */
uint32_t pg_frame;
uint32_t sysseg_pa; /* PA of Sysseg[] */
uint32_t reloc; /* value added to relocate a symbol
before address translation is
enabled */
uint32_t relocend; /* if kernbase < va < relocend, we
can do simple relocation to get
the physical address */
phys_ram_seg_t ram_segs[M68K_NPHYS_RAM_SEGS];
};
/*
* kcore information for the sun2
*/
struct sun2_kcore_hdr {
uint32_t segshift;
uint32_t pg_frame; /* PTE bits */
uint32_t pg_valid;
uint8_t ksegmap[512]; /* kernel segment map */
};
/*
* kcore information for the sun3
*/
struct sun3_kcore_hdr {
uint32_t segshift;
uint32_t pg_frame; /* PTE bits */
uint32_t pg_valid;
uint8_t ksegmap[256]; /* kernel segment map */
};
/*
* kcore information for the sun3x; Motorola MMU, but a very
* different pmap.
*/
#define SUN3X_NPHYS_RAM_SEGS 4
struct sun3x_kcore_hdr {
uint32_t pg_frame; /* PTE bits */
uint32_t pg_valid;
uint32_t contig_end;
uint32_t kernCbase; /* VA of kernel level C page table */
phys_ram_seg_t ram_segs[SUN3X_NPHYS_RAM_SEGS];
};
/*
* Catch-all header. "un" is interpreted based on the contents of "name".
*/
struct cpu_kcore_hdr {
char name[16]; /* machine name */
uint32_t page_size; /* hardware page size */
uint32_t kernbase; /* start of KVA space */
union {
struct m68k_kcore_hdr _m68k;
struct sun2_kcore_hdr _sun2;
struct sun3_kcore_hdr _sun3;
struct sun3x_kcore_hdr _sun3x;
} un;
};
typedef struct cpu_kcore_hdr cpu_kcore_hdr_t;
#endif /* _M68K_KCORE_H_ */
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