1 /* $NetBSD: pcb.h,v 1.8 2003/04/18 11:08:27 scw Exp $ */ 2 3 /* 4 * Copyright (c) 2001 Matt Thomas <matt@3am-software.com>. 5 * Copyright (c) 1994 Mark Brinicombe. 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 RiscBSD team. 19 * 4. The name "RiscBSD" nor the name of the author may be used to 20 * endorse or promote products derived from this software without specific 21 * prior written permission. 22 * 23 * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED 24 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF 25 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 26 * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, 27 * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES 28 * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR 29 * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 33 * SUCH DAMAGE. 34 */ 35 36 #ifndef _ARM_PCB_H_ 37 #define _ARM_PCB_H_ 38 39 #include <machine/frame.h> 40 #include <machine/fp.h> 41 42 #include <arm/arm32/pte.h> 43 44 struct trapframe; 45 46 struct pcb_arm32 { 47 paddr_t pcb32_pagedir; /* PT hooks */ 48 #ifdef ARM32_PMAP_NEW 49 pd_entry_t *pcb32_pl1vec; /* PTR to vector_base L1 entry*/ 50 pd_entry_t pcb32_l1vec; /* Value to stuff on ctx sw */ 51 u_int pcb32_dacr; /* Domain Access Control Reg */ 52 void *pcb32_cstate; /* &pmap->pm_cstate */ 53 #endif 54 u_int pcb32_r8; /* used */ 55 u_int pcb32_r9; /* used */ 56 u_int pcb32_r10; /* used */ 57 u_int pcb32_r11; /* used */ 58 u_int pcb32_r12; /* used */ 59 u_int pcb32_sp; /* used */ 60 u_int pcb32_lr; 61 u_int pcb32_pc; 62 u_int pcb32_und_sp; 63 }; 64 #define pcb_pagedir pcb_un.un_32.pcb32_pagedir 65 #ifdef ARM32_PMAP_NEW 66 #define pcb_pl1vec pcb_un.un_32.pcb32_pl1vec 67 #define pcb_l1vec pcb_un.un_32.pcb32_l1vec 68 #define pcb_dacr pcb_un.un_32.pcb32_dacr 69 #define pcb_cstate pcb_un.un_32.pcb32_cstate 70 #endif 71 72 struct pcb_arm26 { 73 struct switchframe *pcb26_sf; 74 }; 75 #define pcb_sf pcb_un.un_26.pcb26_sf 76 77 struct pcb { 78 u_int pcb_flags; 79 #define PCB_OWNFPU 0x00000001 80 struct trapframe *pcb_tf; 81 caddr_t pcb_onfault; /* On fault handler */ 82 union { 83 struct pcb_arm32 un_32; 84 struct pcb_arm26 un_26; 85 } pcb_un; 86 struct fpe_sp_state pcb_fpstate; /* Floating Point state */ 87 }; 88 #define pcb_ff pcb_fpstate /* for arm26 */ 89 90 /* 91 * No additional data for core dumps. 92 */ 93 struct md_coredump { 94 int md_empty; 95 }; 96 97 #ifdef _KERNEL 98 #ifdef _KERNEL_OPT 99 #include "opt_multiprocessor.h" 100 #endif 101 #ifdef MULTIPROCESSOR 102 #define curpcb (curcpu()->ci_curpcb) 103 #else 104 extern struct pcb *curpcb; 105 #endif 106 #endif /* _KERNEL */ 107 108 #endif /* _ARM_PCB_H_ */ 109