| 1 | /* $NetBSD: mpbiosreg.h,v 1.6 2010/04/18 23:47:51 jym Exp $ */ |
| 2 | |
| 3 | /*- |
| 4 | * Copyright (c) 2000 The NetBSD Foundation, Inc. |
| 5 | * All rights reserved. |
| 6 | * |
| 7 | * This code is derived from software contributed to The NetBSD Foundation |
| 8 | * by RedBack Networks Inc. |
| 9 | * |
| 10 | * Author: Bill Sommerfeld |
| 11 | * |
| 12 | * Redistribution and use in source and binary forms, with or without |
| 13 | * modification, are permitted provided that the following conditions |
| 14 | * are met: |
| 15 | * 1. Redistributions of source code must retain the above copyright |
| 16 | * notice, this list of conditions and the following disclaimer. |
| 17 | * 2. Redistributions in binary form must reproduce the above copyright |
| 18 | * notice, this list of conditions and the following disclaimer in the |
| 19 | * documentation and/or other materials provided with the distribution. |
| 20 | * |
| 21 | * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS |
| 22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED |
| 23 | * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| 24 | * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS |
| 25 | * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR |
| 26 | * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF |
| 27 | * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS |
| 28 | * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN |
| 29 | * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) |
| 30 | * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| 31 | * POSSIBILITY OF SUCH DAMAGE. |
| 32 | */ |
| 33 | |
| 34 | #ifndef _X86_MPBIOSREG_H_ |
| 35 | #define _X86_MPBIOSREG_H_ |
| 36 | |
| 37 | #define BIOS_BASE (0xf0000) |
| 38 | #define BIOS_SIZE (0x10000) |
| 39 | #define BIOS_COUNT (BIOS_SIZE) |
| 40 | |
| 41 | /* |
| 42 | * Multiprocessor config table entry types. |
| 43 | */ |
| 44 | |
| 45 | #define MPS_MCT_CPU 0 |
| 46 | #define MPS_MCT_BUS 1 |
| 47 | #define MPS_MCT_IOAPIC 2 |
| 48 | #define MPS_MCT_IOINT 3 |
| 49 | #define MPS_MCT_LINT 4 |
| 50 | |
| 51 | #define MPS_MCT_NTYPES 5 |
| 52 | |
| 53 | /* MP Floating Pointer Structure */ |
| 54 | struct mpbios_fps { |
| 55 | uint32_t signature; |
| 56 | /* string defined by the Intel MP Spec as identifying the MP table */ |
| 57 | #define MP_FP_SIG 0x5f504d5f /* _MP_ */ |
| 58 | |
| 59 | uint32_t pap; |
| 60 | uint8_t length; |
| 61 | uint8_t spec_rev; |
| 62 | uint8_t checksum; |
| 63 | uint8_t mpfb1; /* system configuration */ |
| 64 | uint8_t mpfb2; /* flags */ |
| 65 | #define MPFPS_FLAG_IMCR 0x80 /* IMCR present */ |
| 66 | uint8_t mpfb3; /* unused */ |
| 67 | uint8_t mpfb4; /* unused */ |
| 68 | uint8_t mpfb5; /* unused */ |
| 69 | }; |
| 70 | |
| 71 | /* MP Configuration Table Header */ |
| 72 | struct mpbios_cth { |
| 73 | uint32_t signature; |
| 74 | #define MP_CT_SIG 0x504d4350 /* PCMP */ |
| 75 | |
| 76 | uint16_t base_len; |
| 77 | uint8_t spec_rev; |
| 78 | uint8_t checksum; |
| 79 | uint8_t oem_id[8]; |
| 80 | uint8_t product_id[12]; |
| 81 | uint32_t oem_table_pointer; |
| 82 | uint16_t oem_table_size; |
| 83 | uint16_t entry_count; |
| 84 | uint32_t apic_address; |
| 85 | uint16_t ext_len; |
| 86 | uint8_t ext_cksum; |
| 87 | uint8_t reserved; |
| 88 | }; |
| 89 | |
| 90 | struct mpbios_proc { |
| 91 | uint8_t type; |
| 92 | uint8_t apic_id; |
| 93 | uint8_t apic_version; |
| 94 | uint8_t cpu_flags; |
| 95 | #define PROCENTRY_FLAG_EN 0x01 |
| 96 | #define PROCENTRY_FLAG_BP 0x02 |
| 97 | uint32_t reserved1; |
| 98 | uint32_t reserved2; |
| 99 | }; |
| 100 | |
| 101 | struct mpbios_bus { |
| 102 | uint8_t type; |
| 103 | uint8_t bus_id; |
| 104 | char bus_type[6]; |
| 105 | }; |
| 106 | |
| 107 | struct mpbios_ioapic { |
| 108 | uint8_t type; |
| 109 | uint8_t apic_id; |
| 110 | uint8_t apic_version; |
| 111 | uint8_t apic_flags; |
| 112 | #define IOAPICENTRY_FLAG_EN 0x01 |
| 113 | uint32_t apic_address; |
| 114 | }; |
| 115 | |
| 116 | struct mpbios_int { |
| 117 | uint8_t type; |
| 118 | uint8_t int_type; |
| 119 | uint16_t int_flags; |
| 120 | uint8_t src_bus_id; |
| 121 | uint8_t src_bus_irq; |
| 122 | uint8_t dst_apic_id; |
| 123 | #define MPS_ALL_APICS 0xff |
| 124 | uint8_t dst_apic_int; |
| 125 | }; |
| 126 | |
| 127 | |
| 128 | #endif /* !_X86_MPBIOSREG_H_ */ |
| 129 | |