1 /* $NetBSD: kcore.h,v 1.7 2023/01/29 09:24:33 mlelstv 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 Utah-derived pmaps 56 */ 57 #define M68K_NPHYS_RAM_SEGS 8 /* XXX */ 58 struct m68k_kcore_hdr { 59 int32_t mmutype; /* MMU type */ 60 uint32_t sg_v; /* STE bits */ 61 uint32_t sg_frame; 62 uint32_t sg_ishift; 63 uint32_t sg_pmask; 64 uint32_t sg40_shift1; 65 uint32_t sg40_mask2; 66 uint32_t sg40_shift2; 67 uint32_t sg40_mask3; 68 uint32_t sg40_shift3; 69 uint32_t sg40_addr1; 70 uint32_t sg40_addr2; 71 uint32_t pg_v; /* PTE bits */ 72 uint32_t pg_frame; 73 uint32_t sysseg_pa; /* PA of Sysseg[] */ 74 uint32_t reloc; /* value added to relocate a symbol 75 before address translation is 76 enabled */ 77 uint32_t relocend; /* if kernbase < va < relocend, we 78 can do simple relocation to get 79 the physical address */ 80 phys_ram_seg_t ram_segs[M68K_NPHYS_RAM_SEGS]; 81 }; 82 83 /* 84 * kcore information for the sun2 85 */ 86 struct sun2_kcore_hdr { 87 uint32_t segshift; 88 uint32_t pg_frame; /* PTE bits */ 89 uint32_t pg_valid; 90 uint8_t ksegmap[512]; /* kernel segment map */ 91 }; 92 93 /* 94 * kcore information for the sun3 95 */ 96 struct sun3_kcore_hdr { 97 uint32_t segshift; 98 uint32_t pg_frame; /* PTE bits */ 99 uint32_t pg_valid; 100 uint8_t ksegmap[256]; /* kernel segment map */ 101 }; 102 103 /* 104 * kcore information for the sun3x; Motorola MMU, but a very 105 * different pmap. 106 */ 107 #define SUN3X_NPHYS_RAM_SEGS 4 108 struct sun3x_kcore_hdr { 109 uint32_t pg_frame; /* PTE bits */ 110 uint32_t pg_valid; 111 uint32_t contig_end; 112 uint32_t kernCbase; /* VA of kernel level C page table */ 113 phys_ram_seg_t ram_segs[SUN3X_NPHYS_RAM_SEGS]; 114 }; 115 116 /* 117 * Catch-all header. "un" is interpreted based on the contents of "name". 118 */ 119 struct cpu_kcore_hdr { 120 char name[16]; /* machine name */ 121 uint32_t page_size; /* hardware page size */ 122 uint32_t kernbase; /* start of KVA space */ 123 union { 124 struct m68k_kcore_hdr _m68k; 125 struct sun2_kcore_hdr _sun2; 126 struct sun3_kcore_hdr _sun3; 127 struct sun3x_kcore_hdr _sun3x; 128 } un; 129 }; 130 131 typedef struct cpu_kcore_hdr cpu_kcore_hdr_t; 132 133 #endif /* _M68K_KCORE_H_ */ 134