/* $NetBSD: kcore.h,v 1.10 2026/04/09 12:49:34 thorpej 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 the new generic 68k pmap module. This works * for all pmap implementations that support the 68851, 68030, 68040, * and 68060 MMUs (as well as the 68851-like HP MMU), because it relies * entirely on generic hardware configuration information, and not * any software-defined usage. * * The hardware description is in 68851 terms. Both the 68040/68060 * and HP MMU can be described that way. All of the configuration * information necessary is in the Translation Control Register. * * Transparent Translation information is also included, as is the * kernel's MMU_* value for this system. */ #define GEN68K_NPHYS_RAM_SEGS 8 /* XXX */ struct gen68k_kcore_hdr { uint32_t tcr; /* Translation Control Register */ uint32_t srp[2]; /* Supervisor Root Pointer */ uint32_t tt0; /* 68030 TT0 / 68040 DTT0 */ uint32_t tt1; /* 68030 TT1 / 68040 DTT1 */ uint32_t itt0; /* 68040 ITT0 */ uint32_t itt1; /* 68040 ITT1 */ int32_t mmutype; /* MMU_* value */ 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[GEN68K_NPHYS_RAM_SEGS]; }; /* * 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 gen68k_kcore_hdr _gen68k; 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; #ifdef _KERNEL void dumpsys(void); #endif #endif /* _M68K_KCORE_H_ */
