1 /*-
2 * SPDX-License-Identifier: BSD-3-Clause
3 *
4 * Copyright (c) 1995 Bruce D. Evans.
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. Neither the name of the author nor the names of contributors
16 * may be used to endorse or promote products derived from this software
17 * without specific prior written permission.
18 *
19 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
20 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
23 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
24 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
25 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
26 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
27 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
28 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 * SUCH DAMAGE.
30 *
31 * from: src/sys/i386/include/md_var.h,v 1.35 2000/02/20 20:51:23 bsd
32 * JNPR: md_var.h,v 1.4 2006/10/16 12:30:34 katta
33 * $FreeBSD$
34 */
35
36 #ifndef _MACHINE_MD_VAR_H_
37 #define _MACHINE_MD_VAR_H_
38
39 #include <machine/reg.h>
40
41 /*
42 * Miscellaneous machine-dependent declarations.
43 */
44 extern long Maxmem;
45 extern char cpu_board[];
46 extern char cpu_model[];
47 extern char sigcode[];
48 extern int szsigcode;
49 #if defined(__mips_n32) || defined(__mips_n64)
50 extern char sigcode32[];
51 extern int szsigcode32;
52 #endif
53
54 extern vm_offset_t kstack0;
55 extern vm_offset_t kernel_kseg0_end;
56
57 uint32_t MipsFPID(void);
58 void MipsSaveCurFPState(struct thread *);
59 void fork_trampoline(void);
60 uintptr_t MipsEmulateBranch(struct trapframe *, uintptr_t, int, uintptr_t);
61 void MipsSwitchFPState(struct thread *, struct trapframe *);
62 int is_cacheable_mem(vm_paddr_t addr);
63 void mips_wait(void);
64
65 #define MIPS_DEBUG 0
66
67 #if MIPS_DEBUG
68 #define MIPS_DEBUG_PRINT(fmt, args...) printf("%s: " fmt "\n" , __FUNCTION__ , ## args)
69 #else
70 #define MIPS_DEBUG_PRINT(fmt, args...)
71 #endif
72
73 void mips_vector_init(void);
74 void mips_cpu_init(void);
75 void mips_pcpu0_init(void);
76 void mips_proc0_init(void);
77 void mips_postboot_fixup(void);
78 void cpu_identify(void);
79 void cpu_switch_set_userlocal(void) __asm(__STRING(cpu_switch_set_userlocal));
80
81 extern int busdma_swi_pending;
82 void busdma_swi(void);
83
84 struct dumperinfo;
85 struct minidumpstate;
86 int cpu_minidumpsys(struct dumperinfo *, const struct minidumpstate *);
87
88 #endif /* !_MACHINE_MD_VAR_H_ */
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