1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #ifndef _SYS_BOOTREGS_H 28*0Sstevel@tonic-gate #define _SYS_BOOTREGS_H 29*0Sstevel@tonic-gate 30*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 31*0Sstevel@tonic-gate 32*0Sstevel@tonic-gate #ifdef __cplusplus 33*0Sstevel@tonic-gate extern "C" { 34*0Sstevel@tonic-gate #endif 35*0Sstevel@tonic-gate 36*0Sstevel@tonic-gate #if defined(_KERNEL) || defined(_BOOT) 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate /* 39*0Sstevel@tonic-gate * This structure is used by bootops to save/restore registers when 40*0Sstevel@tonic-gate * transferring between protected and realmode code. 41*0Sstevel@tonic-gate * 42*0Sstevel@tonic-gate * NOTE: The following macros require an ANSI compiler! 43*0Sstevel@tonic-gate */ 44*0Sstevel@tonic-gate 45*0Sstevel@tonic-gate #define i8080reg(r) union { /* 8080-like "general purpose" registers */\ 46*0Sstevel@tonic-gate uint32_t e ## r ## x; \ 47*0Sstevel@tonic-gate struct { uint16_t r ## x; } word; \ 48*0Sstevel@tonic-gate struct { uint8_t r ## l, r ## h; } byte; \ 49*0Sstevel@tonic-gate } 50*0Sstevel@tonic-gate 51*0Sstevel@tonic-gate #define i8086reg(r) union { /* 16/32-bit "special purpose" registers */\ 52*0Sstevel@tonic-gate uint32_t e ## r; \ 53*0Sstevel@tonic-gate struct { uint16_t r; } word; \ 54*0Sstevel@tonic-gate } 55*0Sstevel@tonic-gate 56*0Sstevel@tonic-gate struct bop_regs { 57*0Sstevel@tonic-gate /* 58*0Sstevel@tonic-gate * Machine state structure for realmode <-> protected mode callout 59*0Sstevel@tonic-gate * operations: 60*0Sstevel@tonic-gate */ 61*0Sstevel@tonic-gate 62*0Sstevel@tonic-gate i8080reg(a) eax; /* The so-called "general purpose" registers */ 63*0Sstevel@tonic-gate i8080reg(d) edx; 64*0Sstevel@tonic-gate i8080reg(c) ecx; 65*0Sstevel@tonic-gate i8080reg(b) ebx; 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate i8086reg(bp) ebp; /* 16/32-bit "pointer" registers */ 68*0Sstevel@tonic-gate i8086reg(si) esi; 69*0Sstevel@tonic-gate i8086reg(di) edi; 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate uint16_t ds; /* Segment registers */ 72*0Sstevel@tonic-gate uint16_t es; 73*0Sstevel@tonic-gate uint16_t fs; 74*0Sstevel@tonic-gate uint16_t gs; 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate uint32_t eflags; 77*0Sstevel@tonic-gate }; 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate #undef i8080reg 80*0Sstevel@tonic-gate #undef i8086reg 81*0Sstevel@tonic-gate #endif /* _KERNEL || _BOOT */ 82*0Sstevel@tonic-gate 83*0Sstevel@tonic-gate #ifdef __cplusplus 84*0Sstevel@tonic-gate } 85*0Sstevel@tonic-gate #endif 86*0Sstevel@tonic-gate 87*0Sstevel@tonic-gate #endif /* _SYS_BOOTREGS_H */ 88