text: /*	$OpenBSD: mpbiosreg.h,v 1.5 2011/03/23 16:54:35 pirofti Exp $	*/
  /* $NetBSD: mpbiosreg.h,v 1.1.2.3 2000/02/29 13:17:51 sommerfeld 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 _MACHINE_MPBIOSREG_H_
  #define _MACHINE_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
  
  /*
   * Interrupt typess
   */
  
  #define MPS_INTTYPE_INT		0
  #define MPS_INTTYPE_NMI		1
  #define MPS_INTTYPE_SMI		2
  #define MPS_INTTYPE_ExtINT	3
  
  #define MPS_INTPO_DEF		0
  #define MPS_INTPO_ACTHI		1
  #define MPS_INTPO_ACTLO		3
  #define MPS_INTPO_SHIFT		0
  #define MPS_INTPO_MASK		3
  
  #define MPS_INTTR_DEF		0
  #define MPS_INTTR_EDGE		1
  #define MPS_INTTR_LEVEL		3
  #define MPS_INTTR_SHIFT		2
  #define MPS_INTTR_MASK		3
  
  #define MPS_INT(p,t) \
      ((((p) & MPS_INTPO_MASK) << MPS_INTPO_SHIFT) | \
       (((t) & MPS_INTTR_MASK) << MPS_INTTR_SHIFT))
  
  /* MP Floating Pointer Structure */
  struct mpbios_fps {
  	u_int32_t	signature;
  /* string defined by the Intel MP Spec as identifying the MP table */
  #define MP_FP_SIG		0x5f504d5f	/* _MP_ */
  	
  	u_int32_t 	pap;
  	u_int8_t  	length;
  	u_int8_t  	spec_rev;
  	u_int8_t  	checksum;
  	u_int8_t  	mpfb1;	/* system configuration */
  	u_int8_t  	mpfb2;	/* flags */
  #define MPFPS_FLAG_IMCR		0x80	/* IMCR present */
  	u_int8_t  	mpfb3;	/* unused */
  	u_int8_t  	mpfb4;	/* unused */
  	u_int8_t  	mpfb5;	/* unused */
  };
  
  /* MP Configuration Table Header */
  struct mpbios_cth {
  	u_int32_t	signature;
  #define MP_CT_SIG		0x504d4350 	/* PCMP */
  	
  	u_int16_t 	base_len;
  	u_int8_t  	spec_rev;
  	u_int8_t  	checksum;
  	u_int8_t  	oem_id[8];
  	u_int8_t  	product_id[12];
  	u_int32_t	oem_table_pointer;
  	u_int16_t 	oem_table_size;
  	u_int16_t 	entry_count;
  	u_int32_t	apic_address;
  	u_int16_t	ext_len;
  	u_int8_t  	ext_cksum;
  	u_int8_t  	reserved;
  };
  
  struct mpbios_proc {
  	u_int8_t  type;
  	u_int8_t  apic_id;
  	u_int8_t  apic_version;
  	u_int8_t  cpu_flags;
  #define PROCENTRY_FLAG_EN	0x01
  #define PROCENTRY_FLAG_BP	0x02
  	u_long  cpu_signature;
  	u_long  feature_flags;
  	u_long  reserved1;
  	u_long  reserved2;
  };
  
  struct mpbios_bus {
  	u_int8_t  type;
  	u_int8_t  bus_id;
  	char    bus_type[6];
  };
  
  struct mpbios_ioapic {
  	u_int8_t  type;
  	u_int8_t  apic_id;
  	u_int8_t  apic_version;
  	u_int8_t  apic_flags;
  #define IOAPICENTRY_FLAG_EN	0x01
  	void   *apic_address;
  };
  
  struct mpbios_int {
  	u_int8_t  type;
  	u_int8_t  int_type;
  	u_int16_t int_flags;
  	u_int8_t  src_bus_id;
  	u_int8_t  src_bus_irq;
  	u_int8_t  dst_apic_id;
  #define MPS_ALL_APICS	0xff
  	u_int8_t  dst_apic_int;
  };
  
  #endif /* !_MACHINE_MPBIOSREG_H_ */
  