/* $OpenBSD: mpbiosreg.h,v 1.2 2004/06/13 21:49:16 niklas 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. * 3. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by the NetBSD * Foundation, Inc. and its contributors. * 4. Neither the name of The NetBSD Foundation nor the names of its * contributors may be used to endorse or promote products derived * from this software without specific prior written permission. * * 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 _I386_MPBIOSREG_H_ #define _I386_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_INTTR_DEF 0 #define MPS_INTTR_EDGE 1 #define MPS_INTTR_LEVEL 3 /* 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 /* !_I386_MPBIOSREG_H_ */