bioscall.h revision 1.4
1 1.4 jtk /* $NetBSD: bioscall.h,v 1.4 1998/10/01 02:00:37 jtk Exp $ */ 2 1.2 jtk /* 3 1.2 jtk * Copyright (c) 1997 John T. Kohl 4 1.2 jtk * All rights reserved. 5 1.2 jtk * 6 1.2 jtk * Redistribution and use in source and binary forms, with or without 7 1.2 jtk * modification, are permitted provided that the following conditions 8 1.2 jtk * are met: 9 1.2 jtk * 1. Redistributions of source code must retain the above copyright 10 1.2 jtk * notice, this list of conditions and the following disclaimer. 11 1.2 jtk * 2. Redistributions in binary form must reproduce the above copyright 12 1.2 jtk * notice, this list of conditions and the following disclaimer in the 13 1.2 jtk * documentation and/or other materials provided with the distribution. 14 1.2 jtk * 3. The name of the author may not be used to endorse or promote products 15 1.2 jtk * derived from this software without specific prior written permission. 16 1.2 jtk * 17 1.2 jtk * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR 18 1.2 jtk * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED 19 1.2 jtk * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE 20 1.2 jtk * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, 21 1.2 jtk * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 22 1.2 jtk * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 23 1.2 jtk * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 24 1.2 jtk * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 25 1.2 jtk * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN 26 1.2 jtk * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 27 1.2 jtk * POSSIBILITY OF SUCH DAMAGE. 28 1.2 jtk * 29 1.2 jtk */ 30 1.2 jtk #ifndef __I386_BIOSCALL_H__ 31 1.2 jtk #define __I386_BIOSCALL_H__ 32 1.2 jtk 33 1.2 jtk /* 34 1.2 jtk * virtual & physical address of the trampoline 35 1.2 jtk * that we use: page 1. 36 1.2 jtk */ 37 1.1 christos #define BIOSTRAMP_BASE NBPG 38 1.2 jtk 39 1.2 jtk #ifndef _LOCORE 40 1.3 jtk typedef union bios_register { 41 1.3 jtk struct { 42 1.3 jtk u_short hw_lo; 43 1.3 jtk u_short hw_hi; 44 1.3 jtk } halfword; 45 1.3 jtk u_int longword; 46 1.3 jtk } bios_reg; 47 1.3 jtk 48 1.2 jtk struct bioscallregs { 49 1.3 jtk bios_reg r_ax; 50 1.3 jtk bios_reg r_bx; 51 1.3 jtk bios_reg r_cx; 52 1.3 jtk bios_reg r_dx; 53 1.3 jtk bios_reg r_si; 54 1.3 jtk bios_reg r_di; 55 1.3 jtk bios_reg r_flags; 56 1.2 jtk }; 57 1.3 jtk #define AX r_ax.halfword.hw_lo 58 1.3 jtk #define AX_HI r_ax.halfword.hw_hi 59 1.3 jtk #define EAX r_ax.longword 60 1.3 jtk #define BX r_bx.halfword.hw_lo 61 1.3 jtk #define BX_HI r_bx.halfword.hw_hi 62 1.3 jtk #define EBX r_bx.longword 63 1.3 jtk #define CX r_cx.halfword.hw_lo 64 1.3 jtk #define CX_HI r_cx.halfword.hw_hi 65 1.3 jtk #define ECX r_cx.longword 66 1.3 jtk #define DX r_dx.halfword.hw_lo 67 1.3 jtk #define DX_HI r_dx.halfword.hw_hi 68 1.3 jtk #define EDX r_dx.longword 69 1.3 jtk #define SI r_si.halfword.hw_lo 70 1.3 jtk #define SI_HI r_si.halfword.hw_hi 71 1.3 jtk #define ESI r_si.longword 72 1.3 jtk #define DI r_di.halfword.hw_lo 73 1.3 jtk #define DI_HI r_di.halfword.hw_hi 74 1.3 jtk #define EDI r_di.longword 75 1.3 jtk #define FLAGS r_flags.halfword.hw_lo 76 1.3 jtk #define FLAGS_HI r_flags.halfword.hw_hi 77 1.3 jtk #define EFLAGS r_flags.longword 78 1.3 jtk 79 1.4 jtk void bioscall __P((int /* function*/ , struct bioscallregs * /* regs */)); 80 1.2 jtk #endif 81 1.2 jtk #endif /* __I386_BIOSCALL_H__ */ 82
Indexes created Thu Sep 25 16:09:42 GMT 2025