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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 1.6 2003/06/27 01:53:24 dillon Exp $
	31	*/
	32
	33	#ifndef _MACHINE_MD_VAR_H_
	34	#define _MACHINE_MD_VAR_H_
	35
	36	/*
	37	* Miscellaneous machine-dependent declarations.
	38	*/
	39
	40	extern int Maxmem;
	41	extern u_int atdevbase; /* offset in virtual memory of ISA io mem */
	42	extern void (bcopy_vector) __P((const void from, void *to, size_t len));
	43	extern int busdma_swi_pending;
	44	extern int (copyin_vector) __P((const void udaddr, void *kaddr,
	45	size_t len));
	46	extern int (copyout_vector) __P((const void kaddr, void *udaddr,
	47	size_t len));
	48	extern u_int cpu_exthigh;
	49	extern u_int cpu_feature;
	50	extern u_int cpu_fxsr;
	51	extern u_int cpu_high;
	52	extern u_int cpu_id;
	53	extern u_int cpu_procinfo;
	54	extern char cpu_vendor[];
	55	extern u_int cyrix_did;
	56	extern char kstack[];
	57	#ifdef PC98
	58	extern int need_pre_dma_flush;
	59	extern int need_post_dma_flush;
	60	#endif
	61	extern void (*netisrs[32]) __P((void));
	62	extern int nfs_diskless_valid;
	63	extern void (ovbcopy_vector) __P((const void from, void *to, size_t len));
	64	extern char sigcode[];
	65	extern int szsigcode, szosigcode;
	66
	67	typedef void alias_for_inthand_t __P((u_int cs, u_int ef, u_int esp, u_int ss));
	68	struct proc;
	69	struct reg;
	70	struct fpreg;
	71	struct dbreg;
	72	struct globaldata;
	73	struct thread;
	74
	75	void bcopyb __P((const void from, void to, size_t len));
	76	void busdma_swi __P((void));
	77	void cpu_gdinit __P((struct globaldata *gd, int cpu));
	78	void cpu_halt __P((void));
	79	void cpu_idle __P((void));
	80	void cpu_reset __P((void));
	81	void cpu_setregs __P((void));
	82	void cpu_switch_load_gs __P((void)) __asm(__STRING(cpu_switch_load_gs));
	83	void cpu_heavy_restore __P((void)); /* cannot be called from C */
	84	void cpu_lwkt_restore __P((void)); /* cannot be called from C */
	85	void cpu_idle_restore __P((void)); /* cannot be called from C */
	86	void cpu_kthread_restore __P((void));/* cannot be called from C */
	87	void cpu_exit_idleptd __P((void)); /* disassociate proc MMU */
	88	void cpu_exit_switch __P((struct thread *next));
	89	void doreti_iret __P((void)) __asm(__STRING(doreti_iret));
	90	void doreti_iret_fault __P((void)) __asm(__STRING(doreti_iret_fault));
	91	void doreti_popl_ds __P((void)) __asm(__STRING(doreti_popl_ds));
	92	void doreti_popl_ds_fault __P((void)) __asm(__STRING(doreti_popl_ds_fault));
	93	void doreti_popl_es __P((void)) __asm(__STRING(doreti_popl_es));
	94	void doreti_popl_es_fault __P((void)) __asm(__STRING(doreti_popl_es_fault));
	95	void doreti_popl_fs __P((void)) __asm(__STRING(doreti_popl_fs));
	96	void doreti_popl_fs_fault __P((void)) __asm(__STRING(doreti_popl_fs_fault));
	97	void enable_sse __P((void));
	98	int fill_fpregs __P((struct proc , struct fpreg ));
	99	int fill_regs __P((struct proc p, struct reg regs));
	100	int fill_dbregs __P((struct proc p, struct dbreg dbregs));
	101	void fillw __P((int /u_short/ pat, void *base, size_t cnt));
	102	void i486_bzero __P((void *buf, size_t len));
	103	void i586_bcopy __P((const void from, void to, size_t len));
	104	void i586_bzero __P((void *buf, size_t len));
	105	int i586_copyin __P((const void udaddr, void kaddr, size_t len));
	106	int i586_copyout __P((const void kaddr, void udaddr, size_t len));
	107	void i686_pagezero __P((void *addr));
	108	void init_AMD_Elan_sc520(void);
	109	int is_physical_memory __P((vm_offset_t addr));
	110	u_long kvtop __P((void *addr));
	111	void setidt __P((int idx, alias_for_inthand_t *func, int typ, int dpl,
	112	int selec));
	113	void swi_vm __P((void));
	114	void userconfig __P((void));
	115	int user_dbreg_trap __P((void));
	116	int vm_page_zero_idle __P((void));
	117
	118	#endif /* !_MACHINE_MD_VAR_H_ */