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/*- * Copyright (c) 1990 The Regents of the University of California. * All rights reserved. * * This code is derived from software contributed to Berkeley by * William Jolitz. * * 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. * 4. Neither the name of the University 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 REGENTS 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 REGENTS 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. * * from: @(#)isa.h 5.7 (Berkeley) 5/9/91 * $FreeBSD: release/9.1.0/sys/x86/isa/isa.h 204309 2010-02-25 14:13:39Z attilio $ */ #ifdef PC98 #error isa.h is included from PC-9801 source #endif #ifndef _X86_ISA_ISA_H_ #define _X86_ISA_ISA_H_ /* BEWARE: Included in both assembler and C code */ /* * ISA Bus conventions */ /* * Input / Output Port Assignments */ #ifndef IO_ISABEGIN #define IO_ISABEGIN 0x000 /* 0x000 - Beginning of I/O Registers */ /* CPU Board */ #define IO_ICU1 0x020 /* 8259A Interrupt Controller #1 */ #define IO_PMP1 0x026 /* 82347 Power Management Peripheral */ #define IO_KBD 0x060 /* 8042 Keyboard */ #define IO_RTC 0x070 /* RTC */ #define IO_NMI IO_RTC /* NMI Control */ #define IO_ICU2 0x0A0 /* 8259A Interrupt Controller #2 */ /* Cards */ #define IO_VGA 0x3C0 /* E/VGA Ports */ #define IO_CGA 0x3D0 /* CGA Ports */ #define IO_MDA 0x3B0 /* Monochome Adapter */ #define IO_ISAEND 0x3FF /* End (actually Max) of I/O Regs */ #endif /* !IO_ISABEGIN */ /* * Input / Output Port Sizes - these are from several sources, and tend * to be the larger of what was found. */ #ifndef IO_ISASIZES #define IO_ISASIZES #define IO_CGASIZE 12 /* CGA controllers */ #define IO_MDASIZE 12 /* Monochrome display controllers */ #define IO_VGASIZE 16 /* VGA controllers */ #endif /* !IO_ISASIZES */ /* * Input / Output Memory Physical Addresses */ #ifndef IOM_BEGIN #define IOM_BEGIN 0x0A0000 /* Start of I/O Memory "hole" */ #define IOM_END 0x100000 /* End of I/O Memory "hole" */ #define IOM_SIZE (IOM_END - IOM_BEGIN) #endif /* !IOM_BEGIN */ /* * RAM Physical Address Space (ignoring the above mentioned "hole") */ #ifndef RAM_BEGIN #define RAM_BEGIN 0x0000000 /* Start of RAM Memory */ #define RAM_END 0x1000000 /* End of RAM Memory */ #define RAM_SIZE (RAM_END - RAM_BEGIN) #endif /* !RAM_BEGIN */ #endif /* !_X86_ISA_ISA_H_ */