1cd76c7513
. primary purpose is to synchronize with <ieeefp.h> which expects a fp_prec from sys/arch/x86/include/ieeefp.h
128 lines
3.4 KiB
C
128 lines
3.4 KiB
C
/* $NetBSD: mpbiosreg.h,v 1.6 2010/04/18 23:47:51 jym Exp $ */
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/*-
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* Copyright (c) 2000 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by RedBack Networks Inc.
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*
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* Author: Bill Sommerfeld
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef _X86_MPBIOSREG_H_
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#define _X86_MPBIOSREG_H_
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#define BIOS_BASE (0xf0000)
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#define BIOS_SIZE (0x10000)
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#define BIOS_COUNT (BIOS_SIZE)
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/*
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* Multiprocessor config table entry types.
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*/
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#define MPS_MCT_CPU 0
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#define MPS_MCT_BUS 1
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#define MPS_MCT_IOAPIC 2
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#define MPS_MCT_IOINT 3
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#define MPS_MCT_LINT 4
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#define MPS_MCT_NTYPES 5
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/* MP Floating Pointer Structure */
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struct mpbios_fps {
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uint32_t signature;
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/* string defined by the Intel MP Spec as identifying the MP table */
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#define MP_FP_SIG 0x5f504d5f /* _MP_ */
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uint32_t pap;
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uint8_t length;
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uint8_t spec_rev;
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uint8_t checksum;
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uint8_t mpfb1; /* system configuration */
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uint8_t mpfb2; /* flags */
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#define MPFPS_FLAG_IMCR 0x80 /* IMCR present */
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uint8_t mpfb3; /* unused */
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uint8_t mpfb4; /* unused */
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uint8_t mpfb5; /* unused */
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};
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/* MP Configuration Table Header */
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struct mpbios_cth {
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uint32_t signature;
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#define MP_CT_SIG 0x504d4350 /* PCMP */
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uint16_t base_len;
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uint8_t spec_rev;
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uint8_t checksum;
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uint8_t oem_id[8];
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uint8_t product_id[12];
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uint32_t oem_table_pointer;
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uint16_t oem_table_size;
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uint16_t entry_count;
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uint32_t apic_address;
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uint16_t ext_len;
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uint8_t ext_cksum;
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uint8_t reserved;
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};
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struct mpbios_proc {
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uint8_t type;
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uint8_t apic_id;
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uint8_t apic_version;
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uint8_t cpu_flags;
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#define PROCENTRY_FLAG_EN 0x01
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#define PROCENTRY_FLAG_BP 0x02
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uint32_t reserved1;
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uint32_t reserved2;
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};
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struct mpbios_bus {
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uint8_t type;
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uint8_t bus_id;
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char bus_type[6];
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};
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struct mpbios_ioapic {
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uint8_t type;
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uint8_t apic_id;
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uint8_t apic_version;
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uint8_t apic_flags;
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#define IOAPICENTRY_FLAG_EN 0x01
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uint32_t apic_address;
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};
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struct mpbios_int {
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uint8_t type;
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uint8_t int_type;
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uint16_t int_flags;
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uint8_t src_bus_id;
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uint8_t src_bus_irq;
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uint8_t dst_apic_id;
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#define MPS_ALL_APICS 0xff
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uint8_t dst_apic_int;
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};
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#endif /* !_X86_MPBIOSREG_H_ */
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