proc.h revision 1.6 1 1.6 skrll /* $NetBSD: proc.h,v 1.6 2024/08/04 08:16:25 skrll Exp $ */
2 1.1 matt
3 1.1 matt /*-
4 1.1 matt * Copyright (c) 2014 The NetBSD Foundation, Inc.
5 1.1 matt * All rights reserved.
6 1.1 matt *
7 1.1 matt * This code is derived from software contributed to The NetBSD Foundation
8 1.1 matt * by Matt Thomas of 3am Software Foundry.
9 1.1 matt *
10 1.1 matt * Redistribution and use in source and binary forms, with or without
11 1.1 matt * modification, are permitted provided that the following conditions
12 1.1 matt * are met:
13 1.1 matt * 1. Redistributions of source code must retain the above copyright
14 1.1 matt * notice, this list of conditions and the following disclaimer.
15 1.1 matt * 2. Redistributions in binary form must reproduce the above copyright
16 1.1 matt * notice, this list of conditions and the following disclaimer in the
17 1.1 matt * documentation and/or other materials provided with the distribution.
18 1.1 matt *
19 1.1 matt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.1 matt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.1 matt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.1 matt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.1 matt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.1 matt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.1 matt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.1 matt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.1 matt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.1 matt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.1 matt * POSSIBILITY OF SUCH DAMAGE.
30 1.1 matt */
31 1.1 matt
32 1.1 matt #ifndef _RISCV_PROC_H_
33 1.1 matt #define _RISCV_PROC_H_
34 1.1 matt
35 1.1 matt #include <sys/param.h>
36 1.1 matt #include <riscv/vmparam.h>
37 1.1 matt
38 1.1 matt struct lwp;
39 1.1 matt
40 1.1 matt /*
41 1.1 matt * Machine-dependent part of the lwp structure for RISCV
42 1.1 matt */
43 1.1 matt struct trapframe;
44 1.1 matt
45 1.1 matt struct mdlwp {
46 1.1 matt struct trapframe *md_utf; /* trapframe from userspace */
47 1.1 matt struct trapframe *md_ktf; /* trapframe from userspace */
48 1.1 matt struct faultbuf *md_onfault; /* registers to store on fault */
49 1.5 skrll unsigned long md_usp; /* for locore.S */
50 1.5 skrll unsigned long md_ss_addr; /* single step address for ptrace */
51 1.1 matt int md_ss_instr; /* single step instruction for ptrace */
52 1.1 matt volatile int md_astpending; /* AST pending on return to userland */
53 1.1 matt #if 0
54 1.1 matt #if USPACE > PAGE_SIZE
55 1.1 matt int md_upte[USPACE/4096]; /* ptes for mapping u page */
56 1.1 matt #else
57 1.1 matt int md_dpte[USPACE/4096]; /* dummy ptes to keep the same */
58 1.1 matt #endif
59 1.1 matt #endif
60 1.1 matt };
61 1.1 matt
62 1.1 matt struct mdproc {
63 1.1 matt /* syscall entry for this process */
64 1.1 matt void (*md_syscall)(struct trapframe *);
65 1.1 matt };
66 1.1 matt
67 1.1 matt #ifdef _KERNEL
68 1.4 skrll #define LWP0_CPU_INFO &cpu_info_store[0] /* staticly set in lwp0 */
69 1.4 skrll #if 0
70 1.4 skrll #define LWP0_MD_INITIALIZER { \
71 1.6 skrll .md_utf = (void *)0xdeadbeef, \
72 1.6 skrll }
73 1.4 skrll #endif
74 1.1 matt #endif /* _KERNEL */
75 1.1 matt
76 1.1 matt #endif /* _RISCV_PROC_H_ */
77