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 2005 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_BOOTSVCS_H 28*0Sstevel@tonic-gate #define _SYS_BOOTSVCS_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 /* 37*0Sstevel@tonic-gate * Boot time configuration information objects 38*0Sstevel@tonic-gate * 39*0Sstevel@tonic-gate * The BS_VERSION version number should be incremented when adding 40*0Sstevel@tonic-gate * new boot_syscalls entry points. The kernel can check the boot_syscalls 41*0Sstevel@tonic-gate * version number by looking up the BS_VERSION_PROP property in the 42*0Sstevel@tonic-gate * device tree. This version number allows the kernel to detect if the 43*0Sstevel@tonic-gate * version of boot.bin that loaded it supports newer boot_syscalls entry 44*0Sstevel@tonic-gate * points. This in turn allows the kernel to potentially support 45*0Sstevel@tonic-gate * backward compatibility with older versions of boot.bin that don't 46*0Sstevel@tonic-gate * support newer entry points. 47*0Sstevel@tonic-gate * 48*0Sstevel@tonic-gate * (Before we get too carried away with extending this interface, 49*0Sstevel@tonic-gate * realize how broken it is. Even with a cleaner namespace than 50*0Sstevel@tonic-gate * we used to have prior to S10, it is -extremely- difficult to 51*0Sstevel@tonic-gate * interpose upon because the method pointer is NOT passed to the 52*0Sstevel@tonic-gate * methods. We would do well to extend the bootops and EOL this 53*0Sstevel@tonic-gate * interface as fast as possible, rather than to add more to it.) 54*0Sstevel@tonic-gate */ 55*0Sstevel@tonic-gate #define BS_VERSION 4 56*0Sstevel@tonic-gate #define BS_VERSION_PROP "bs-version" 57*0Sstevel@tonic-gate 58*0Sstevel@tonic-gate typedef struct boot_syscalls { /* offset */ 59*0Sstevel@tonic-gate int (*bsvc_getchar)(); /* 7 - getchar */ 60*0Sstevel@tonic-gate void (*bsvc_putchar)(int); /* 8 - putchar */ 61*0Sstevel@tonic-gate int (*bsvc_ischar)(); /* 9 - ischar */ 62*0Sstevel@tonic-gate } boot_syscalls_t; 63*0Sstevel@tonic-gate 64*0Sstevel@tonic-gate #ifdef _KMDB 65*0Sstevel@tonic-gate extern boot_syscalls_t *kmdb_sysp; 66*0Sstevel@tonic-gate #define SYSP kmdb_sysp 67*0Sstevel@tonic-gate #else /* !_KMDB */ 68*0Sstevel@tonic-gate extern boot_syscalls_t *sysp; 69*0Sstevel@tonic-gate #define SYSP sysp 70*0Sstevel@tonic-gate #endif 71*0Sstevel@tonic-gate 72*0Sstevel@tonic-gate #define BSVC_GETCHAR(sysp) (((sysp)->bsvc_getchar)()) 73*0Sstevel@tonic-gate #define BSVC_PUTCHAR(sysp, c) (((sysp)->bsvc_putchar)(c)) 74*0Sstevel@tonic-gate #define BSVC_ISCHAR(sysp) (((sysp)->bsvc_ischar)()) 75*0Sstevel@tonic-gate 76*0Sstevel@tonic-gate #ifdef __cplusplus 77*0Sstevel@tonic-gate } 78*0Sstevel@tonic-gate #endif 79*0Sstevel@tonic-gate 80*0Sstevel@tonic-gate #endif /* _SYS_BOOTSVCS_H */ 81