1 /* $NetBSD: pcb.h,v 1.23 2021/10/27 18:20:23 christos 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 #ifndef _POWERPC_PCB_H_ 34 #define _POWERPC_PCB_H_ 35 36 #include <powerpc/reg.h> 37 #include <powerpc/frame.h> 38 39 struct faultbuf { 40 register_t fb_sp; /* R1 */ 41 register_t fb_r2; /* R2 (why?) */ 42 /* 43 * These are ordered so that one could use a stmw to save them. 44 */ 45 register_t fb_msr; /* MSR */ 46 register_t fb_pc; /* PC */ 47 register_t fb_cr; /* CR */ 48 register_t fb_fixreg[19]; /* R13-R31 */ 49 }; 50 51 struct pcb { 52 struct pmap *pcb_pm; /* pmap of our vmspace */ 53 register_t pcb_sp; /* saved SP */ 54 int pcb_flags; 55 #define PCB_FE1 PSL_FE1 /* 0x100 */ 56 #define PCB_FE0 PSL_FE0 /* 0x800 */ 57 struct faultbuf *pcb_onfault; /* For use during copyin/copyout */ 58 vaddr_t pcb_kmapsr; /* where to map user segment in kernel */ 59 vaddr_t pcb_umapsr; /* the user segment mapped in kernel */ 60 struct fpreg pcb_fpu; /* Floating point processor */ 61 struct vreg pcb_vr __attribute__((aligned(16))); 62 register_t pcb_usprg0; /* User Special-Purpose Register General 0 */ 63 }; 64 65 struct md_coredump { 66 struct trapframe frame; 67 struct fpreg fpstate; 68 struct vreg vstate; 69 }; 70 71 #ifdef _KERNEL 72 int setfault(struct faultbuf *); 73 #endif 74 75 #endif /* _POWERPC_PCB_H_ */ 76