1897cd717SDoug Rabson /*- 2897cd717SDoug Rabson * Copyright (c) 1998 Doug Rabson 3897cd717SDoug Rabson * All rights reserved. 4897cd717SDoug Rabson * 5897cd717SDoug Rabson * Redistribution and use in source and binary forms, with or without 6897cd717SDoug Rabson * modification, are permitted provided that the following conditions 7897cd717SDoug Rabson * are met: 8897cd717SDoug Rabson * 1. Redistributions of source code must retain the above copyright 9897cd717SDoug Rabson * notice, this list of conditions and the following disclaimer. 10897cd717SDoug Rabson * 2. Redistributions in binary form must reproduce the above copyright 11897cd717SDoug Rabson * notice, this list of conditions and the following disclaimer in the 12897cd717SDoug Rabson * documentation and/or other materials provided with the distribution. 13897cd717SDoug Rabson * 14897cd717SDoug Rabson * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15897cd717SDoug Rabson * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16897cd717SDoug Rabson * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17897cd717SDoug Rabson * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18897cd717SDoug Rabson * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19897cd717SDoug Rabson * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20897cd717SDoug Rabson * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21897cd717SDoug Rabson * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22897cd717SDoug Rabson * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23897cd717SDoug Rabson * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24897cd717SDoug Rabson * SUCH DAMAGE. 25897cd717SDoug Rabson * 26c3aac50fSPeter Wemm * $FreeBSD$ 27897cd717SDoug Rabson */ 28897cd717SDoug Rabson 29897cd717SDoug Rabson #ifndef _MACHINE_MD_VAR_H_ 30897cd717SDoug Rabson #define _MACHINE_MD_VAR_H_ 31897cd717SDoug Rabson 32897cd717SDoug Rabson /* 33897cd717SDoug Rabson * Miscellaneous machine-dependent declarations. 34897cd717SDoug Rabson */ 35897cd717SDoug Rabson 36897cd717SDoug Rabson extern char sigcode[]; 3752c008e8SDoug Rabson extern char esigcode[]; 38897cd717SDoug Rabson extern int szsigcode; 39447b3772SPeter Wemm extern long Maxmem; 4049c0f52eSAndrew Gallatin extern int busdma_swi_pending; 41897cd717SDoug Rabson 425244eac9SBenno Rice extern vm_offset_t kstack0; 435244eac9SBenno Rice extern vm_offset_t kstack0_phys; 445244eac9SBenno Rice 45d8e36186SBenno Rice extern u_long ns_per_tick; 46d8e36186SBenno Rice 478a109fa3SMarcel Moolenaar extern int powerpc_pow_enabled; 484c01c0b9SNathan Whitehorn extern int cacheline_size; 491c96bdd1SNathan Whitehorn extern int ppc64; 501c96bdd1SNathan Whitehorn extern int hw_direct_map; 5101bd17ccSMarcel Moolenaar 5201bd17ccSMarcel Moolenaar void __syncicache(void *, int); 5301bd17ccSMarcel Moolenaar 54812344bcSAlfred Perlstein void busdma_swi(void); 55812344bcSAlfred Perlstein int is_physical_memory(vm_offset_t addr); 56949313b7SMarcel Moolenaar int mem_valid(vm_offset_t addr, int len); 57897cd717SDoug Rabson 586b7ba544SRafal Jaworowski void decr_config(unsigned long); 598bc7bc1eSBenno Rice void decr_init(void); 6020588444SPeter Grehan void decr_tc_init(void); 618bc7bc1eSBenno Rice 62fb954d9dSBenno Rice void cpu_setup(u_int); 63fb954d9dSBenno Rice 6477d40ffdSMarcel Moolenaar struct trapframe; 6577d40ffdSMarcel Moolenaar void powerpc_interrupt(struct trapframe *); 6677d40ffdSMarcel Moolenaar 67897cd717SDoug Rabson #endif /* !_MACHINE_MD_VAR_H_ */ 68