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Commit	Line	Data
	1	/*-
	2	* Copyright (c) 1995 Bruce D. Evans.
	3	* All rights reserved.
	4	*
	5	* Redistribution and use in source and binary forms, with or without
	6	* modification, are permitted provided that the following conditions
	7	* are met:
	8	* 1. Redistributions of source code must retain the above copyright
	9	* notice, this list of conditions and the following disclaimer.
	10	* 2. Redistributions in binary form must reproduce the above copyright
	11	* notice, this list of conditions and the following disclaimer in the
	12	* documentation and/or other materials provided with the distribution.
	13	* 3. Neither the name of the author nor the names of contributors
	14	* may be used to endorse or promote products derived from this software
	15	* without specific prior written permission.
	16	*
	17	* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
	18	* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
	19	* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
	20	* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
	21	* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
	22	* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
	23	* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
	24	* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
	25	* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
	26	* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
	27	* SUCH DAMAGE.
	28	*
	29	* $FreeBSD: src/sys/i386/include/md_var.h,v 1.35.2.4 2003/01/22 20:14:53 jhb Exp $
	30	* $DragonFly: src/sys/platform/pc32/include/md_var.h,v 1.26 2007/12/12 23:49:20 dillon Exp $
	31	*/
	32
	33	#ifndef _MACHINE_MD_VAR_H_
	34	#define _MACHINE_MD_VAR_H_
	35
	36	#ifndef _SYS_TYPES_H_
	37	#include <sys/types.h>
	38	#endif
	39
	40	/*
	41	* Miscellaneous machine-dependent declarations.
	42	*/
	43
	44	extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
	45	extern void **bcopy_vector;
	46	extern void **memcpy_vector;
	47	extern void **ovbcopy_vector;
	48	extern int busdma_swi_pending;
	49	extern int (copyin_vector) (const void udaddr, void *kaddr,
	50	size_t len);
	51	extern int (copyout_vector) (const void kaddr, void *udaddr,
	52	size_t len);
	53	extern void (*cpu_idle_hook)(void);
	54	extern u_int cpu_exthigh;
	55	extern u_int via_feature_rng;
	56	extern u_int via_feature_xcrypt;
	57	extern u_int cpu_fxsr;
	58	extern u_int cpu_high;
	59	extern u_int cpu_id;
	60	extern u_int cpu_procinfo;
	61	extern char cpu_vendor[];
	62	extern u_int cyrix_did;
	63	extern char kstack[];
	64	extern char sigcode[];
	65	extern int szsigcode;
	66
	67	typedef void alias_for_inthand_t (u_int cs, u_int ef, u_int esp, u_int ss);
	68	struct lwp;
	69	struct reg;
	70	struct fpreg;
	71	struct dbreg;
	72	struct mdglobaldata;
	73	struct thread;
	74	struct __mcontext;
	75
	76	void busdma_swi (void);
	77	void cpu_gdinit (struct mdglobaldata *gd, int cpu);
	78	void cpu_idle (void);
	79	void cpu_setregs (void);
	80	void cpu_switch_load_gs (void) __asm(__STRING(cpu_switch_load_gs));
	81	void cpu_heavy_restore (void); /* cannot be called from C */
	82	void cpu_lwkt_restore (void); /* cannot be called from C */
	83	void cpu_idle_restore (void); /* cannot be called from C */
	84	void cpu_kthread_restore (void);/* cannot be called from C */
	85	void cpu_exit_idleptd (void); /* disassociate proc MMU */
	86	void cpu_exit_switch (struct thread *next);
	87	void doreti_iret (void) __asm(__STRING(doreti_iret));
	88	void doreti_iret_fault (void) __asm(__STRING(doreti_iret_fault));
	89	void doreti_popl_ds (void) __asm(__STRING(doreti_popl_ds));
	90	void doreti_popl_ds_fault (void) __asm(__STRING(doreti_popl_ds_fault));
	91	void doreti_popl_es (void) __asm(__STRING(doreti_popl_es));
	92	void doreti_popl_es_fault (void) __asm(__STRING(doreti_popl_es_fault));
	93	void doreti_popl_fs (void) __asm(__STRING(doreti_popl_fs));
	94	void doreti_popl_fs_fault (void) __asm(__STRING(doreti_popl_fs_fault));
	95	void doreti_popl_gs (void) __asm(__STRING(doreti_popl_gs));
	96	void doreti_popl_gs_fault (void) __asm(__STRING(doreti_popl_gs_fault));
	97	void enable_sse (void);
	98	void fillw (int /u_short/ pat, void *base, size_t cnt);
	99	#if 0
	100	void i486_bzero (volatile void *buf, size_t len);
	101	void i586_bzero (volatile void *buf, size_t len);
	102	void i586_bcopy (const void from, void to, size_t len);
	103	int i586_copyin (const void udaddr, void kaddr, size_t len);
	104	int i586_copyout (const void kaddr, void udaddr, size_t len);
	105	#endif
	106	void asm_generic_memcpy(void);
	107	void asm_mmx_memcpy(void);
	108	void asm_xmm_memcpy(void);
	109	void asm_generic_bcopy(void);
	110	void asm_mmx_bcopy(void);
	111	void asm_xmm_bcopy(void);
	112	void i686_pagezero (void *addr);
	113	void init_AMD_Elan_sc520(void);
	114	void setidt (int idx, alias_for_inthand_t *func, int typ, int dpl,
	115	int selec);
	116	void userconfig (void);
	117	int user_dbreg_trap (void);
	118	int npxdna(void);
	119	void npxpush(struct __mcontext *mctx);
	120	void npxpop(struct __mcontext *mctx);
	121
	122	#endif /* !_MACHINE_MD_VAR_H_ */