1 /* $OpenBSD: proc.h,v 1.2 1998/09/15 10:50:12 pefo Exp $ */
2
3 /*-
4 * SPDX-License-Identifier: BSD-3-Clause
5 *
6 * Copyright (c) 1992, 1993
7 * The Regents of the University of California. All rights reserved.
8 *
9 * This code is derived from software contributed to Berkeley by
10 * Ralph Campbell.
11 *
12 * Redistribution and use in source and binary forms, with or without
13 * modification, are permitted provided that the following conditions
14 * are met:
15 * 1. Redistributions of source code must retain the above copyright
16 * notice, this list of conditions and the following disclaimer.
17 * 2. Redistributions in binary form must reproduce the above copyright
18 * notice, this list of conditions and the following disclaimer in the
19 * documentation and/or other materials provided with the distribution.
20 * 3. Neither the name of the University nor the names of its contributors
21 * may be used to endorse or promote products derived from this software
22 * without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
25 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
26 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
27 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
28 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
29 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
30 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
31 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
32 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
33 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
34 * SUCH DAMAGE.
35 *
36 * @(#)proc.h 8.1 (Berkeley) 6/10/93
37 * JNPR: proc.h,v 1.7.2.1 2007/09/10 06:25:24 girish
38 * $FreeBSD$
39 */
40
41 #ifndef _MACHINE_PROC_H_
42 #define _MACHINE_PROC_H_
43
44 #ifdef CPU_CNMIPS
45 #include <machine/octeon_cop2.h>
46 #endif
47
48 /*
49 * Machine-dependent part of the proc structure.
50 */
51 struct mdthread {
52 int md_flags; /* machine-dependent flags */
53 #if defined(__mips_n64) || defined(__mips_n32) /* PHYSADDR_64_BIT */
54 uint64_t md_upte[KSTACK_PAGES]; /* ptes for mapping u pcb */
55 #else
56 int md_upte[KSTACK_PAGES];
57 #endif
58 uintptr_t md_ss_addr; /* single step address for ptrace */
59 int md_ss_instr; /* single step instruction for ptrace */
60 register_t md_saved_intr;
61 u_int md_spinlock_count;
62 /* The following is CPU dependent, but kept in for compatibility */
63 int md_pc_ctrl; /* performance counter control */
64 int md_pc_count; /* performance counter */
65 int md_pc_spill; /* performance counter spill */
66 void *md_tls;
67 #ifdef CPU_CNMIPS
68 struct octeon_cop2_state *md_cop2; /* kernel context */
69 struct octeon_cop2_state *md_ucop2; /* userland context */
70 #define COP2_OWNER_USERLAND 0x0000 /* Userland owns COP2 */
71 #define COP2_OWNER_KERNEL 0x0001 /* Kernel owns COP2 */
72 int md_cop2owner;
73 #endif
74 };
75
76 /* md_flags */
77 #define MDTD_FPUSED 0x0001 /* Process used the FPU */
78 #define MDTD_COP2USED 0x0002 /* Process used the COP2 */
79
80 struct mdproc {
81 size_t md_tls_tcb_offset; /* TCB offset */
82 };
83
84 #define MAXARGS 8
85 struct syscall_args {
86 u_int code;
87 struct sysent *callp;
88 register_t args[MAXARGS];
89 };
90
91 #ifdef __mips_n64
92 #define KINFO_PROC_SIZE 1088
93 #define KINFO_PROC32_SIZE 816
94 #else
95 #define KINFO_PROC_SIZE 816
96 #endif
97
98 #endif /* !_MACHINE_PROC_H_ */
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