1 /* $NetBSD: kcore.h,v 1.9 2025/11/26 23:02:11 thorpej Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Gordon W. Ross, Jason R. Thorpe, and Leo Weppelman. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _M68K_KCORE_H_ 33 #define _M68K_KCORE_H_ 34 35 /* 36 * Unified m68k kcore header descriptions. 37 * 38 * NOTE: We must have all possible m68k kcore types defined in this 39 * file. Otherwise, we require kernel sources for all m68k platforms 40 * to build userland. 41 * 42 * We must provide STE/PTE bits in the kcore header for a couple 43 * of reasons: 44 * 45 * - different platforms may have the MMUs configured for different 46 * page sizes 47 * - we may not have a specific platform's pte.h available to us 48 * 49 * These are on-disk structures; use fixed-sized types! 50 * 51 * The total size of the cpu_kcore_hdr should be <= DEV_BSIZE! 52 */ 53 54 /* 55 * kcore information for the new generic 68k pmap module. This works 56 * for all pmap implementations that support the 68851, 68030, 68040, 57 * and 68060 MMUs (as well as the 68851-like HP MMU), because it relies 58 * entirely on generic hardware configuration information, and not 59 * any software-defined usage. 60 * 61 * The hardware description is in 68851 terms. Both the 68040/68060 62 * and HP MMU can be described that way. All of the configuration 63 * information necessary is in the Translation Control Register. 64 * 65 * Transparent Translation information is also included, as is the 66 * kernel's MMU_* value for this system. 67 */ 68 #define GEN68K_NPHYS_RAM_SEGS 8 /* XXX */ 69 struct gen68k_kcore_hdr { 70 uint32_t tcr; /* Translation Control Register */ 71 uint32_t srp[2]; /* Supervisor Root Pointer */ 72 73 uint32_t tt0; /* 68030 TT0 / 68040 DTT0 */ 74 uint32_t tt1; /* 68030 TT1 / 68040 DTT1 */ 75 76 uint32_t itt0; /* 68040 ITT0 */ 77 uint32_t itt1; /* 68040 ITT1 */ 78 79 int32_t mmutype; /* MMU_* value */ 80 uint32_t reloc; /* value added to relocate a symbol 81 before address translation is 82 enabled */ 83 uint32_t relocend; /* if kernbase < va < relocend, we 84 can do simple relocation to get 85 the physical address */ 86 87 phys_ram_seg_t ram_segs[GEN68K_NPHYS_RAM_SEGS]; 88 }; 89 90 /* 91 * kcore information for Utah-derived pmaps 92 */ 93 #define M68K_NPHYS_RAM_SEGS 8 /* XXX */ 94 struct m68k_kcore_hdr { 95 int32_t mmutype; /* MMU type */ 96 uint32_t sg_v; /* STE bits */ 97 uint32_t sg_frame; 98 uint32_t sg_ishift; 99 uint32_t sg_pmask; 100 uint32_t sg40_shift1; 101 uint32_t sg40_mask2; 102 uint32_t sg40_shift2; 103 uint32_t sg40_mask3; 104 uint32_t sg40_shift3; 105 uint32_t sg40_addr1; 106 uint32_t sg40_addr2; 107 uint32_t pg_v; /* PTE bits */ 108 uint32_t pg_frame; 109 uint32_t sysseg_pa; /* PA of Sysseg[] */ 110 uint32_t reloc; /* value added to relocate a symbol 111 before address translation is 112 enabled */ 113 uint32_t relocend; /* if kernbase < va < relocend, we 114 can do simple relocation to get 115 the physical address */ 116 phys_ram_seg_t ram_segs[M68K_NPHYS_RAM_SEGS]; 117 }; 118 119 /* 120 * kcore information for the sun2 121 */ 122 struct sun2_kcore_hdr { 123 uint32_t segshift; 124 uint32_t pg_frame; /* PTE bits */ 125 uint32_t pg_valid; 126 uint8_t ksegmap[512]; /* kernel segment map */ 127 }; 128 129 /* 130 * kcore information for the sun3 131 */ 132 struct sun3_kcore_hdr { 133 uint32_t segshift; 134 uint32_t pg_frame; /* PTE bits */ 135 uint32_t pg_valid; 136 uint8_t ksegmap[256]; /* kernel segment map */ 137 }; 138 139 /* 140 * kcore information for the sun3x; Motorola MMU, but a very 141 * different pmap. 142 */ 143 #define SUN3X_NPHYS_RAM_SEGS 4 144 struct sun3x_kcore_hdr { 145 uint32_t pg_frame; /* PTE bits */ 146 uint32_t pg_valid; 147 uint32_t contig_end; 148 uint32_t kernCbase; /* VA of kernel level C page table */ 149 phys_ram_seg_t ram_segs[SUN3X_NPHYS_RAM_SEGS]; 150 }; 151 152 /* 153 * Catch-all header. "un" is interpreted based on the contents of "name". 154 */ 155 struct cpu_kcore_hdr { 156 char name[16]; /* machine name */ 157 uint32_t page_size; /* hardware page size */ 158 uint32_t kernbase; /* start of KVA space */ 159 union { 160 struct gen68k_kcore_hdr _gen68k; 161 struct m68k_kcore_hdr _m68k; 162 struct sun2_kcore_hdr _sun2; 163 struct sun3_kcore_hdr _sun3; 164 struct sun3x_kcore_hdr _sun3x; 165 } un; 166 }; 167 168 typedef struct cpu_kcore_hdr cpu_kcore_hdr_t; 169 170 #endif /* _M68K_KCORE_H_ */ 171
Indexes created Mon Feb 23 16:20:21 UTC 2026