xref: /freebsd/sys/arm64/include/md_var.h (revision e6dbc99d47ddb254d75822817592bb82b5ce4d97)
1e5acd89cSAndrew Turner /*-
2e5acd89cSAndrew Turner  * Copyright (c) 1995 Bruce D. Evans.
3e5acd89cSAndrew Turner  * All rights reserved.
4e5acd89cSAndrew Turner  *
5e5acd89cSAndrew Turner  * Redistribution and use in source and binary forms, with or without
6e5acd89cSAndrew Turner  * modification, are permitted provided that the following conditions
7e5acd89cSAndrew Turner  * are met:
8e5acd89cSAndrew Turner  * 1. Redistributions of source code must retain the above copyright
9e5acd89cSAndrew Turner  *    notice, this list of conditions and the following disclaimer.
10e5acd89cSAndrew Turner  * 2. Redistributions in binary form must reproduce the above copyright
11e5acd89cSAndrew Turner  *    notice, this list of conditions and the following disclaimer in the
12e5acd89cSAndrew Turner  *    documentation and/or other materials provided with the distribution.
13e5acd89cSAndrew Turner  * 3. Neither the name of the author nor the names of contributors
14e5acd89cSAndrew Turner  *    may be used to endorse or promote products derived from this software
15e5acd89cSAndrew Turner  *    without specific prior written permission.
16e5acd89cSAndrew Turner  *
17e5acd89cSAndrew Turner  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18e5acd89cSAndrew Turner  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19e5acd89cSAndrew Turner  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20e5acd89cSAndrew Turner  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21e5acd89cSAndrew Turner  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22e5acd89cSAndrew Turner  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23e5acd89cSAndrew Turner  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24e5acd89cSAndrew Turner  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25e5acd89cSAndrew Turner  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26e5acd89cSAndrew Turner  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27e5acd89cSAndrew Turner  * SUCH DAMAGE.
28e5acd89cSAndrew Turner  *
29e5acd89cSAndrew Turner  *	from: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
30e5acd89cSAndrew Turner  */
31e5acd89cSAndrew Turner 
32e5acd89cSAndrew Turner #ifndef	_MACHINE_MD_VAR_H_
33e5acd89cSAndrew Turner #define	_MACHINE_MD_VAR_H_
34e5acd89cSAndrew Turner 
35e5acd89cSAndrew Turner extern long Maxmem;
36e5acd89cSAndrew Turner extern char sigcode[];
37e5acd89cSAndrew Turner extern int szsigcode;
38752eb6a9SMitchell Horne extern u_long elf_hwcap;
39752eb6a9SMitchell Horne extern u_long elf_hwcap2;
40*e6dbc99dSAndrew Turner extern u_long linux_elf_hwcap;
41*e6dbc99dSAndrew Turner extern u_long linux_elf_hwcap2;
42bbe80bffSPeter Grehan #ifdef COMPAT_FREEBSD32
43bbe80bffSPeter Grehan extern u_long elf32_hwcap;
44bbe80bffSPeter Grehan extern u_long elf32_hwcap2;
45bbe80bffSPeter Grehan #endif
46e5acd89cSAndrew Turner 
47e5acd89cSAndrew Turner struct dumperinfo;
481adebe3cSMitchell Horne struct minidumpstate;
49b0d415fcSAndrew Turner 
501adebe3cSMitchell Horne int cpu_minidumpsys(struct dumperinfo *, const struct minidumpstate *);
5195a85c12SMichal Meloun void generic_bs_fault(void) __asm(__STRING(generic_bs_fault));
5295a85c12SMichal Meloun void generic_bs_peek_1(void) __asm(__STRING(generic_bs_peek_1));
5395a85c12SMichal Meloun void generic_bs_peek_2(void) __asm(__STRING(generic_bs_peek_2));
5495a85c12SMichal Meloun void generic_bs_peek_4(void) __asm(__STRING(generic_bs_peek_4));
5595a85c12SMichal Meloun void generic_bs_peek_8(void) __asm(__STRING(generic_bs_peek_8));
5695a85c12SMichal Meloun void generic_bs_poke_1(void) __asm(__STRING(generic_bs_poke_1));
5795a85c12SMichal Meloun void generic_bs_poke_2(void) __asm(__STRING(generic_bs_poke_2));
5895a85c12SMichal Meloun void generic_bs_poke_4(void) __asm(__STRING(generic_bs_poke_4));
5995a85c12SMichal Meloun void generic_bs_poke_8(void) __asm(__STRING(generic_bs_poke_8));
60e5acd89cSAndrew Turner 
6186c31acaSKyle Evans #ifdef _MD_WANT_SWAPWORD
6286c31acaSKyle Evans /*
6386c31acaSKyle Evans  * XXX These are implemented primarily for swp/swpb emulation at the moment, and
6486c31acaSKyle Evans  * should be used sparingly with consideration -- they aren't implemented for
6586c31acaSKyle Evans  * any other platform.  If we use them anywhere else, at a minimum they need
6686c31acaSKyle Evans  * KASAN/KMSAN interceptors added.
6786c31acaSKyle Evans  */
6886c31acaSKyle Evans int	swapueword8(volatile uint8_t *base, uint8_t *val);
6986c31acaSKyle Evans int	swapueword32(volatile uint32_t *base, uint32_t *val);
7086c31acaSKyle Evans #endif
7186c31acaSKyle Evans 
72e5acd89cSAndrew Turner #endif /* !_MACHINE_MD_VAR_H_ */
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