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/*-
* Copyright (c) 1995 Bruce D. Evans.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the author nor the names of contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $FreeBSD$
*/
#ifndef _MACHINE_MD_VAR_H_
#define _MACHINE_MD_VAR_H_
/*
* Miscellaneous machine-dependent declarations.
*/
extern long Maxmem;
extern u_int basemem;
extern int busdma_swi_pending;
extern u_int cpu_exthigh;
extern u_int cpu_feature;
extern u_int cpu_feature2;
extern u_int amd_feature;
extern u_int amd_feature2;
extern u_int amd_pminfo;
extern u_int via_feature_rng;
extern u_int via_feature_xcrypt;
extern u_int cpu_clflush_line_size;
extern u_int cpu_stdext_feature;
extern u_int cpu_fxsr;
extern u_int cpu_high;
extern u_int cpu_id;
extern u_int cpu_max_ext_state_size;
extern u_int cpu_mxcsr_mask;
extern u_int cpu_procinfo;
extern u_int cpu_procinfo2;
extern char cpu_vendor[];
extern u_int cpu_vendor_id;
extern u_int cpu_mon_mwait_flags;
extern u_int cpu_mon_min_size;
extern u_int cpu_mon_max_size;
extern u_int cpu_maxphyaddr;
extern char ctx_switch_xsave[];
extern char kstack[];
extern char sigcode[];
extern int szsigcode;
extern uint64_t *vm_page_dump;
extern int vm_page_dump_size;
extern int workaround_erratum383;
extern int _udatasel;
extern int _ucodesel;
extern int _ucode32sel;
extern int _ufssel;
extern int _ugssel;
extern int use_xsave;
extern uint64_t xsave_mask;
typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
struct pcb;
struct savefpu;
struct thread;
struct reg;
struct fpreg;
struct dbreg;
struct dumperinfo;
void *alloc_fpusave(int flags);
void amd64_syscall(struct thread *td, int traced);
void busdma_swi(void);
void cpu_setregs(void);
void doreti_iret(void) __asm(__STRING(doreti_iret));
void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
void ld_ds(void) __asm(__STRING(ld_ds));
void ld_es(void) __asm(__STRING(ld_es));
void ld_fs(void) __asm(__STRING(ld_fs));
void ld_gs(void) __asm(__STRING(ld_gs));
void ld_fsbase(void) __asm(__STRING(ld_fsbase));
void ld_gsbase(void) __asm(__STRING(ld_gsbase));
void ds_load_fault(void) __asm(__STRING(ds_load_fault));
void es_load_fault(void) __asm(__STRING(es_load_fault));
void fs_load_fault(void) __asm(__STRING(fs_load_fault));
void gs_load_fault(void) __asm(__STRING(gs_load_fault));
void fsbase_load_fault(void) __asm(__STRING(fsbase_load_fault));
void gsbase_load_fault(void) __asm(__STRING(gsbase_load_fault));
void dump_add_page(vm_paddr_t);
void dump_drop_page(vm_paddr_t);
void identify_cpu(void);
void initializecpu(void);
void initializecpucache(void);
void fillw(int /*u_short*/ pat, void *base, size_t cnt);
void fpstate_drop(struct thread *td);
int is_physical_memory(vm_paddr_t addr);
int isa_nmi(int cd);
void panicifcpuunsupported(void);
void pagecopy(void *from, void *to);
void pagezero(void *addr);
void printcpuinfo(void);
void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int ist);
int user_dbreg_trap(void);
void minidumpsys(struct dumperinfo *);
struct savefpu *get_pcb_user_save_td(struct thread *td);
struct savefpu *get_pcb_user_save_pcb(struct pcb *pcb);
struct pcb *get_pcb_td(struct thread *td);
void amd64_db_resume_dbreg(void);
#endif /* !_MACHINE_MD_VAR_H_ */
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