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84 lines
3.5 KiB
C
84 lines
3.5 KiB
C
/*-
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* SPDX-License-Identifier: BSD-3-Clause
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*
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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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#ifndef _MACHINE_MD_VAR_H_
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#define _MACHINE_MD_VAR_H_
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#include <x86/x86_var.h>
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extern u_int cpu_fxsr;
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extern u_int cyrix_did;
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#if defined(I586_CPU) && !defined(NO_F00F_HACK)
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extern int has_f00f_bug;
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#endif
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#ifdef COMPAT_FREEBSD4
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extern int szfreebsd4_sigcode;
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#endif
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#ifdef COMPAT_43
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extern int szosigcode;
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extern int sz_lcall_tramp;
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#endif
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extern vm_offset_t proc0kstack;
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extern size_t setidt_disp;
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struct segment_descriptor;
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union savefpu;
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int cp_slow0(vm_offset_t uva, size_t len, bool write,
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void (*f)(vm_offset_t, void *), void *arg);
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void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
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void copyout_init_tramp(void);
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void doreti_iret(void) __asm(__STRING(doreti_iret));
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void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
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void doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
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void doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
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void doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
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void doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
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void doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
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void doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
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void fill_based_sd(struct segment_descriptor *sdp, uint32_t base);
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void i686_pagezero(void *addr);
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void sse2_pagezero(void *addr);
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int cpu_minidumpsys_nopae(struct dumperinfo *, const struct minidumpstate *);
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int cpu_minidumpsys_pae(struct dumperinfo *, const struct minidumpstate *);
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void init_AMD_Elan_sc520(void);
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vm_paddr_t kvtop(void *addr);
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void panicifcpuunsupported(void);
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void ppro_reenable_apic(void);
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void set_fsbase(struct thread *td, uint32_t base);
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void set_gsbase(struct thread *td, uint32_t base);
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void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
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void setidt_nodisp(int idx, uintptr_t func, int typ, int dpl, int selec);
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union savefpu *get_pcb_user_save_td(struct thread *td);
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union savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
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#endif /* !_MACHINE_MD_VAR_H_ */
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