1 /* $NetBSD: pcb.h,v 1.10 2003/10/13 21:46:39 scw Exp $ */
4 * Copyright (c) 2001 Matt Thomas <matt@3am-software.com>.
5 * Copyright (c) 1994 Mark Brinicombe.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
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.
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
38 #ifndef _MACHINE_PCB_H_
39 #define _MACHINE_PCB_H_
41 #include <machine/frame.h>
42 #include <machine/fp.h>
48 vm_offset_t pcb32_pagedir; /* PT hooks */
49 uint32_t *pcb32_pl1vec; /* PTR to vector_base L1 entry*/
50 uint32_t pcb32_l1vec; /* Value to stuff on ctx sw */
51 u_int pcb32_dacr; /* Domain Access Control Reg */
54 * cpuswitch.S relies on pcb32_r8 being quad-aligned in struct pcb
55 * (due to the use of "strd" when compiled for XSCALE)
57 u_int pcb32_r8; /* used */
58 u_int pcb32_r9; /* used */
59 u_int pcb32_r10; /* used */
60 u_int pcb32_r11; /* used */
61 u_int pcb32_r12; /* used */
62 u_int pcb32_sp; /* used */
67 #define pcb_pagedir un_32.pcb32_pagedir
68 #define pcb_pl1vec un_32.pcb32_pl1vec
69 #define pcb_l1vec un_32.pcb32_l1vec
70 #define pcb_dacr un_32.pcb32_dacr
71 #define pcb_cstate un_32.pcb32_cstate
75 * See warning for struct pcb_arm32, above, before changing struct pcb!
79 #define PCB_OWNFPU 0x00000001
80 #define PCB_NOALIGNFLT 0x00000002
81 caddr_t pcb_onfault; /* On fault handler */
82 struct pcb_arm32 un_32;
83 struct vfp_state pcb_vfpstate; /* VP/NEON state */
84 u_int pcb_vfpcpu; /* VP/NEON last cpu */
88 * No additional data for core dumps.
94 void makectx(struct trapframe *tf, struct pcb *pcb);
98 void savectx(struct pcb *) __returns_twice;
101 #endif /* !_MACHINE_PCB_H_ */