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e6dbc99d47
When adding support for new hardware extensions we may not want to enable support for the FreeBSD and Linux ABIs at the same time. To support this split the Linux ID register and hwcaps so they can be configured separately. Sponsored by: Arm Ltd Differential Revision: https://reviews.freebsd.org/D42372
73 lines
3 KiB
C
73 lines
3 KiB
C
/*-
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* Copyright (c) 1995 Bruce D. Evans.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. Neither the name of the author nor the names of contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: FreeBSD: src/sys/i386/include/md_var.h,v 1.40 2001/07/12
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*/
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#ifndef _MACHINE_MD_VAR_H_
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#define _MACHINE_MD_VAR_H_
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extern long Maxmem;
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extern char sigcode[];
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extern int szsigcode;
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extern u_long elf_hwcap;
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extern u_long elf_hwcap2;
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extern u_long linux_elf_hwcap;
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extern u_long linux_elf_hwcap2;
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#ifdef COMPAT_FREEBSD32
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extern u_long elf32_hwcap;
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extern u_long elf32_hwcap2;
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#endif
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struct dumperinfo;
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struct minidumpstate;
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int cpu_minidumpsys(struct dumperinfo *, const struct minidumpstate *);
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void generic_bs_fault(void) __asm(__STRING(generic_bs_fault));
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void generic_bs_peek_1(void) __asm(__STRING(generic_bs_peek_1));
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void generic_bs_peek_2(void) __asm(__STRING(generic_bs_peek_2));
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void generic_bs_peek_4(void) __asm(__STRING(generic_bs_peek_4));
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void generic_bs_peek_8(void) __asm(__STRING(generic_bs_peek_8));
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void generic_bs_poke_1(void) __asm(__STRING(generic_bs_poke_1));
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void generic_bs_poke_2(void) __asm(__STRING(generic_bs_poke_2));
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void generic_bs_poke_4(void) __asm(__STRING(generic_bs_poke_4));
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void generic_bs_poke_8(void) __asm(__STRING(generic_bs_poke_8));
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#ifdef _MD_WANT_SWAPWORD
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/*
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* XXX These are implemented primarily for swp/swpb emulation at the moment, and
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* should be used sparingly with consideration -- they aren't implemented for
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* any other platform. If we use them anywhere else, at a minimum they need
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* KASAN/KMSAN interceptors added.
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*/
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int swapueword8(volatile uint8_t *base, uint8_t *val);
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int swapueword32(volatile uint32_t *base, uint32_t *val);
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#endif
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#endif /* !_MACHINE_MD_VAR_H_ */
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