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/* $NetBSD: mpbiosreg.h,v 1.6 2010/04/18 23:47:51 jym Exp $ */
/*-
* Copyright (c) 2000 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by RedBack Networks Inc.
*
* Author: Bill Sommerfeld
*
* 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 _X86_MPBIOSREG_H_
#define _X86_MPBIOSREG_H_
#define BIOS_BASE (0xf0000)
#define BIOS_SIZE (0x10000)
#define BIOS_COUNT (BIOS_SIZE)
/*
* Multiprocessor config table entry types.
*/
#define MPS_MCT_CPU 0
#define MPS_MCT_BUS 1
#define MPS_MCT_IOAPIC 2
#define MPS_MCT_IOINT 3
#define MPS_MCT_LINT 4
#define MPS_MCT_NTYPES 5
/* MP Floating Pointer Structure */
struct mpbios_fps {
uint32_t signature;
/* string defined by the Intel MP Spec as identifying the MP table */
#define MP_FP_SIG 0x5f504d5f /* _MP_ */
uint32_t pap;
uint8_t length;
uint8_t spec_rev;
uint8_t checksum;
uint8_t mpfb1; /* system configuration */
uint8_t mpfb2; /* flags */
#define MPFPS_FLAG_IMCR 0x80 /* IMCR present */
uint8_t mpfb3; /* unused */
uint8_t mpfb4; /* unused */
uint8_t mpfb5; /* unused */
};
/* MP Configuration Table Header */
struct mpbios_cth {
uint32_t signature;
#define MP_CT_SIG 0x504d4350 /* PCMP */
uint16_t base_len;
uint8_t spec_rev;
uint8_t checksum;
uint8_t oem_id[8];
uint8_t product_id[12];
uint32_t oem_table_pointer;
uint16_t oem_table_size;
uint16_t entry_count;
uint32_t apic_address;
uint16_t ext_len;
uint8_t ext_cksum;
uint8_t reserved;
};
struct mpbios_proc {
uint8_t type;
uint8_t apic_id;
uint8_t apic_version;
uint8_t cpu_flags;
#define PROCENTRY_FLAG_EN 0x01
#define PROCENTRY_FLAG_BP 0x02
uint32_t reserved1;
uint32_t reserved2;
};
struct mpbios_bus {
uint8_t type;
uint8_t bus_id;
char bus_type[6];
};
struct mpbios_ioapic {
uint8_t type;
uint8_t apic_id;
uint8_t apic_version;
uint8_t apic_flags;
#define IOAPICENTRY_FLAG_EN 0x01
uint32_t apic_address;
};
struct mpbios_int {
uint8_t type;
uint8_t int_type;
uint16_t int_flags;
uint8_t src_bus_id;
uint8_t src_bus_irq;
uint8_t dst_apic_id;
#define MPS_ALL_APICS 0xff
uint8_t dst_apic_int;
};
#endif /* !_X86_MPBIOSREG_H_ */
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