1 /* $NetBSD: proc.h,v 1.7 2004/03/24 15:38:41 wiz 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. Neither the name of the University nor the names of its contributors 17 * may be used to endorse or promote products derived from this software 18 * without specific prior written permission. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 23 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 24 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 25 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 26 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 27 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 28 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 29 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 30 * SUCH DAMAGE. 31 * 32 * @(#)proc.h 7.1 (Berkeley) 5/15/91 33 */ 34 35 #ifndef _SH3_PROC_H_ 36 #define _SH3_PROC_H_ 37 38 /* 39 * Machine-dependent part of the proc structure for sh3. 40 */ 41 42 #include <machine/param.h> 43 44 /* Kernel stack PTE */ 45 struct md_upte { 46 u_int32_t addr; 47 u_int32_t data; 48 }; 49 50 struct mdlwp { 51 struct trapframe *md_regs; /* user context */ 52 struct pcb *md_pcb; /* pcb access address */ 53 int md_flags; /* machine-dependent flags */ 54 /* u-area PTE: *2 .. SH4 data/address data array access */ 55 struct md_upte md_upte[UPAGES * 2]; 56 }; 57 58 /* md_flags */ 59 #define MDP_USEDFPU 0x0001 /* has used the FPU */ 60 61 struct mdproc { 62 __volatile int md_astpending; /* AST pending on return to userland */ 63 }; 64 65 #ifdef _KERNEL 66 #ifndef _LOCORE 67 void sh_proc0_init(void); 68 extern struct md_upte *curupte; /* SH3 wired u-area hack */ 69 #endif /* _LOCORE */ 70 #endif /* _KERNEL */ 71 #endif /* !_SH3_PROC_H_ */ 72