md_var.h revision 210100
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 * from: src/sys/i386/include/md_var.h,v 1.35 2000/02/20 20:51:23 bsd 30 * JNPR: md_var.h,v 1.4 2006/10/16 12:30:34 katta 31 * $FreeBSD: head/sys/mips/include/md_var.h 210100 2010-07-15 01:58:20Z imp $ 32 */ 33 34#ifndef _MACHINE_MD_VAR_H_ 35#define _MACHINE_MD_VAR_H_ 36 37#include <machine/reg.h> 38 39/* 40 * Miscellaneous machine-dependent declarations. 41 */ 42extern long Maxmem; 43extern char sigcode[]; 44extern int szsigcode, szosigcode; 45 46extern vm_offset_t kstack0; 47extern vm_offset_t kernel_kseg0_end; 48 49void MipsSaveCurFPState(struct thread *); 50void fork_trampoline(void); 51void cpu_swapin(struct proc *); 52uintptr_t MipsEmulateBranch(struct trapframe *, uintptr_t, int, uintptr_t); 53void MipsSwitchFPState(struct thread *, struct trapframe *); 54u_long kvtop(void *addr); 55int is_physical_memory(vm_offset_t addr); 56void mips_generic_reset(void); 57 58#define is_cacheable_mem(pa) is_physical_memory((pa)) 59 60#define MIPS_DEBUG 0 61 62#if MIPS_DEBUG 63#define MIPS_DEBUG_PRINT(fmt, args...) printf("%s: " fmt "\n" , __FUNCTION__ , ## args) 64#else 65#define MIPS_DEBUG_PRINT(fmt, args...) 66#endif 67 68void mips_vector_init(void); 69void mips_cpu_init(void); 70void mips_pcpu0_init(void); 71void mips_proc0_init(void); 72void mips_postboot_fixup(void); 73 74/* Platform call-downs. */ 75void platform_identify(void); 76 77extern int busdma_swi_pending; 78void busdma_swi(void); 79 80u_int32_t set_intr_mask(u_int32_t); 81u_int32_t get_intr_mask(void); 82 83#endif /* !_MACHINE_MD_VAR_H_ */ 84