1 /* $NetBSD: proc.h,v 1.4 2002/05/09 12:28:08 uch Exp $ */ 2 3 /* 4 * Copyright (c) 2002 The NetBSD Foundation, Inc. All rights reserved. 5 * Copyright (c) 1991 Regents of the University of California. 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by the University of 19 * California, Berkeley and its contributors. 20 * 4. Neither the name of the University nor the names of its contributors 21 * may be used to endorse or promote products derived from this software 22 * without specific prior written permission. 23 * 24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 34 * SUCH DAMAGE. 35 * 36 * @(#)proc.h 7.1 (Berkeley) 5/15/91 37 */ 38 39 #ifndef _SH3_PROC_H_ 40 #define _SH3_PROC_H_ 41 /* 42 * Machine-dependent part of the proc structure for sh3. 43 */ 44 45 /* Kernel stack PTE */ 46 struct md_upte { 47 u_int32_t addr; 48 u_int32_t data; 49 }; 50 51 struct mdproc { 52 struct trapframe *md_regs; /* user context */ 53 struct pcb *md_pcb; /* pcb access address */ 54 int md_flags; /* machine-dependent flags */ 55 /* u-area PTE: *2 .. SH4 data/address data array access */ 56 struct md_upte md_upte[UPAGES * 2]; 57 __volatile int md_astpending; /* AST pending on return to userland */ 58 }; 59 60 /* md_flags */ 61 #define MDP_USEDFPU 0x0001 /* has used the FPU */ 62 63 #ifdef _KERNEL 64 #ifndef _LOCORE 65 void sh_proc0_init(void); 66 extern struct md_upte *curupte; /* SH3 wired u-area hack */ 67 #endif /* _LOCORE */ 68 #endif /* _KERNEL */ 69 #endif /* !_SH3_PROC_H_ */ 70