1 /*        $NetBSD: proc.h,v 1.20 2024/02/10 18:43:51 andvar Exp $     */
2 
3 /*
4  * Copyright (c) 1994 Mark Brinicombe.
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *        This product includes software developed by the RiscBSD team.
18  * 4. The name "RiscBSD" nor the name of the author may be used to
19  *    endorse or promote products derived from this software without specific
20  *    prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY RISCBSD ``AS IS'' AND ANY EXPRESS OR IMPLIED
23  * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
24  * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25  * IN NO EVENT SHALL RISCBSD OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
26  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
27  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
28  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
29  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
31  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
32  * SUCH DAMAGE.
33  */
34 
35 #ifndef _ARM_PROC_H_
36 #define _ARM_PROC_H_
37 
38 /*
39  * Machine-dependent part of the proc structure for arm.
40  */
41 
42 struct trapframe;
43 struct lwp;
44 
45 struct mdlwp {
46           struct trapframe *md_tf;
47           int       md_flags;
48           volatile uint32_t md_astpending;
49 };
50 
51 /* Flags settings for md_flags */
52 #define MDLWP_NOALIGNFLT      0x00000002          /* For EXEC_AOUT */
53 #define MDLWP_VFPINTR                   0x00000004          /* VFP used in intr */
54 
55 
56 struct mdproc {
57           void      (*md_syscall)(struct trapframe *, struct lwp *, uint32_t);
58           int       pmc_enabled;                  /* bitfield of enabled counters */
59           void      *pmc_state;                   /* port-specific pmc state */
60           char      md_march[12];                 /* machine arch of executable */
61 };
62 
63 #define   PROC_MACHINE_ARCH(P)          ((P)->p_md.md_march)
64 #define   PROC0_MD_INITIALIZERS         .p_md = { .md_march = MACHINE_ARCH },
65 
66 #endif /* _ARM_PROC_H_ */
67