1 /* $NetBSD: proc.h,v 1.10 2011/01/18 01:02:54 matt Exp $ */ 2 3 /*- 4 * Copyright (C) 1995, 1996 Wolfgang Solfrank. 5 * Copyright (C) 1995, 1996 TooLs GmbH. 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 TooLs GmbH. 19 * 4. The name of TooLs GmbH may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 27 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; 28 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, 29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR 30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF 31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #ifndef _POWERPC_PROC_H_ 35 #define _POWERPC_PROC_H_ 36 37 /* 38 * Machine-dependent part of the lwp structure 39 */ 40 struct mdlwp { 41 volatile int md_flags; 42 struct cpu_info * volatile md_fpucpu; /* last cpu FP was used on */ 43 struct cpu_info * volatile md_veccpu; /* last cpu VEC was used on */ 44 struct trapframe *md_utf; /* user trampframe */ 45 }; 46 #define MDLWP_USEDFPU 0x0001 /* this thread has used the FPU */ 47 #define MDLWP_OWNFPU 0x0002 /* this thread is using the FPU */ 48 #define MDLWP_USEDVEC 0x0010 /* this thread has used the VEC */ 49 #define MDLWP_OWNVEC 0x0020 /* this thread is using the VEC */ 50 51 struct trapframe; 52 53 struct mdproc { 54 void (*md_syscall)(struct trapframe *); 55 }; 56 57 #ifdef _KERNEL 58 #define LWP0_CPU_INFO &cpu_info[0] 59 #define LWP0_MD_INITIALIZER { \ 60 .md_flags = 0, \ 61 .md_fpucpu = LWP0_CPU_INFO, \ 62 .md_veccpu = LWP0_CPU_INFO, \ 63 .md_utf = (void *)0xdeadbeef, \ 64 } 65 #endif /* _KERNEL */ 66 67 #endif /* _POWERPC_PROC_H_ */ 68