1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #ifndef _SYS_BOOTREGS_H 28*7c478bd9Sstevel@tonic-gate #define _SYS_BOOTREGS_H 29*7c478bd9Sstevel@tonic-gate 30*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 31*7c478bd9Sstevel@tonic-gate extern "C" { 32*7c478bd9Sstevel@tonic-gate #endif 33*7c478bd9Sstevel@tonic-gate 34*7c478bd9Sstevel@tonic-gate #if defined(_KERNEL) || defined(_BOOT) 35*7c478bd9Sstevel@tonic-gate 36*7c478bd9Sstevel@tonic-gate /* 37*7c478bd9Sstevel@tonic-gate * This structure is used by bootops to save/restore registers when 38*7c478bd9Sstevel@tonic-gate * transferring between protected and realmode code. 39*7c478bd9Sstevel@tonic-gate * 40*7c478bd9Sstevel@tonic-gate * NOTE: The following macros require an ANSI compiler! 41*7c478bd9Sstevel@tonic-gate */ 42*7c478bd9Sstevel@tonic-gate 43*7c478bd9Sstevel@tonic-gate #define i8080reg(r) union { /* 8080-like "general purpose" registers */\ 44*7c478bd9Sstevel@tonic-gate uint32_t e ## r ## x; \ 45*7c478bd9Sstevel@tonic-gate struct { uint16_t r ## x; } word; \ 46*7c478bd9Sstevel@tonic-gate struct { uint8_t r ## l, r ## h; } byte; \ 47*7c478bd9Sstevel@tonic-gate } 48*7c478bd9Sstevel@tonic-gate 49*7c478bd9Sstevel@tonic-gate #define i8086reg(r) union { /* 16/32-bit "special purpose" registers */\ 50*7c478bd9Sstevel@tonic-gate uint32_t e ## r; \ 51*7c478bd9Sstevel@tonic-gate struct { uint16_t r; } word; \ 52*7c478bd9Sstevel@tonic-gate } 53*7c478bd9Sstevel@tonic-gate 54*7c478bd9Sstevel@tonic-gate struct bop_regs { 55*7c478bd9Sstevel@tonic-gate /* 56*7c478bd9Sstevel@tonic-gate * Machine state structure for realmode <-> protected mode callout 57*7c478bd9Sstevel@tonic-gate * operations: 58*7c478bd9Sstevel@tonic-gate */ 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate i8080reg(a) eax; /* The so-called "general purpose" registers */ 61*7c478bd9Sstevel@tonic-gate i8080reg(d) edx; 62*7c478bd9Sstevel@tonic-gate i8080reg(c) ecx; 63*7c478bd9Sstevel@tonic-gate i8080reg(b) ebx; 64*7c478bd9Sstevel@tonic-gate 65*7c478bd9Sstevel@tonic-gate i8086reg(bp) ebp; /* 16/32-bit "pointer" registers */ 66*7c478bd9Sstevel@tonic-gate i8086reg(si) esi; 67*7c478bd9Sstevel@tonic-gate i8086reg(di) edi; 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate uint16_t ds; /* Segment registers */ 70*7c478bd9Sstevel@tonic-gate uint16_t es; 71*7c478bd9Sstevel@tonic-gate uint16_t fs; 72*7c478bd9Sstevel@tonic-gate uint16_t gs; 73*7c478bd9Sstevel@tonic-gate 74*7c478bd9Sstevel@tonic-gate uint32_t eflags; 75*7c478bd9Sstevel@tonic-gate }; 76*7c478bd9Sstevel@tonic-gate 77*7c478bd9Sstevel@tonic-gate #undef i8080reg 78*7c478bd9Sstevel@tonic-gate #undef i8086reg 79*7c478bd9Sstevel@tonic-gate #endif /* _KERNEL || _BOOT */ 80*7c478bd9Sstevel@tonic-gate 81*7c478bd9Sstevel@tonic-gate #ifdef __cplusplus 82*7c478bd9Sstevel@tonic-gate } 83*7c478bd9Sstevel@tonic-gate #endif 84*7c478bd9Sstevel@tonic-gate 85*7c478bd9Sstevel@tonic-gate #endif /* _SYS_BOOTREGS_H */ 86