8a5ac5d56f
when memory page caching attributes changed, and CPU does not support self-snoop, but implemented clflush, for i386. Take care of possible mappings of the page by sf buffer by utilizing the mapping for clflush, otherwise map the page transiently. Amd64 used direct map. Proposed and reviewed by: alc Approved by: re (kensmith)
116 lines
4.3 KiB
C
116 lines
4.3 KiB
C
/*-
|
|
* 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 void (*bcopy_vector)(const void *from, void *to, size_t len);
|
|
extern void (*bzero_vector)(void *buf, size_t len);
|
|
extern int (*copyin_vector)(const void *udaddr, void *kaddr, size_t len);
|
|
extern int (*copyout_vector)(const void *kaddr, void *udaddr, size_t len);
|
|
|
|
extern long Maxmem;
|
|
extern u_int basemem; /* PA of original top of base memory */
|
|
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_fxsr;
|
|
extern u_int cpu_high;
|
|
extern u_int cpu_id;
|
|
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 cyrix_did;
|
|
extern char kstack[];
|
|
extern char sigcode[];
|
|
extern int szsigcode;
|
|
#ifdef COMPAT_FREEBSD4
|
|
extern int szfreebsd4_sigcode;
|
|
#endif
|
|
#ifdef COMPAT_43
|
|
extern int szosigcode;
|
|
#endif
|
|
extern uint32_t *vm_page_dump;
|
|
extern int vm_page_dump_size;
|
|
|
|
typedef void alias_for_inthand_t(u_int cs, u_int ef, u_int esp, u_int ss);
|
|
struct thread;
|
|
struct reg;
|
|
struct fpreg;
|
|
struct dbreg;
|
|
struct dumperinfo;
|
|
|
|
void bcopyb(const void *from, void *to, size_t len);
|
|
void busdma_swi(void);
|
|
void cpu_setregs(void);
|
|
void cpu_switch_load_gs(void) __asm(__STRING(cpu_switch_load_gs));
|
|
void doreti_iret(void) __asm(__STRING(doreti_iret));
|
|
void doreti_iret_fault(void) __asm(__STRING(doreti_iret_fault));
|
|
void doreti_popl_ds(void) __asm(__STRING(doreti_popl_ds));
|
|
void doreti_popl_ds_fault(void) __asm(__STRING(doreti_popl_ds_fault));
|
|
void doreti_popl_es(void) __asm(__STRING(doreti_popl_es));
|
|
void doreti_popl_es_fault(void) __asm(__STRING(doreti_popl_es_fault));
|
|
void doreti_popl_fs(void) __asm(__STRING(doreti_popl_fs));
|
|
void doreti_popl_fs_fault(void) __asm(__STRING(doreti_popl_fs_fault));
|
|
void dump_add_page(vm_paddr_t);
|
|
void dump_drop_page(vm_paddr_t);
|
|
void enable_sse(void);
|
|
void fillw(int /*u_short*/ pat, void *base, size_t cnt);
|
|
void i486_bzero(void *buf, size_t len);
|
|
void i586_bcopy(const void *from, void *to, size_t len);
|
|
void i586_bzero(void *buf, size_t len);
|
|
int i586_copyin(const void *udaddr, void *kaddr, size_t len);
|
|
int i586_copyout(const void *kaddr, void *udaddr, size_t len);
|
|
void i686_pagezero(void *addr);
|
|
void sse2_pagezero(void *addr);
|
|
void init_AMD_Elan_sc520(void);
|
|
int is_physical_memory(vm_paddr_t addr);
|
|
int isa_nmi(int cd);
|
|
vm_paddr_t kvtop(void *addr);
|
|
void setidt(int idx, alias_for_inthand_t *func, int typ, int dpl, int selec);
|
|
int user_dbreg_trap(void);
|
|
void minidumpsys(struct dumperinfo *);
|
|
|
|
#endif /* !_MACHINE_MD_VAR_H_ */
|