1 /*- 2 * Copyright (c) 1998 Doug Rabson 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 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD$ 27 */ 28 29 #ifndef _MACHINE_MD_VAR_H_ 30 #define _MACHINE_MD_VAR_H_ 31 32 /* 33 * Miscellaneous machine-dependent declarations. 34 */ 35 36 extern char sigcode[]; 37 extern char esigcode[]; 38 extern int szsigcode; 39 extern long Maxmem; 40 extern int busdma_swi_pending; 41 42 extern vm_offset_t kstack0; 43 extern vm_offset_t kstack0_phys; 44 45 extern u_long ns_per_tick; 46 47 extern int powerpc_pow_enabled; 48 49 #if defined(_KERNEL) || defined(_STANDALONE) 50 #define CACHELINESIZE 32 51 #endif 52 53 void __syncicache(void *, int); 54 55 void busdma_swi(void); 56 int is_physical_memory(vm_offset_t addr); 57 int mem_valid(vm_offset_t addr, int len); 58 59 void decr_config(unsigned long); 60 void decr_init(void); 61 void decr_tc_init(void); 62 63 void cpu_setup(u_int); 64 65 struct trapframe; 66 void powerpc_interrupt(struct trapframe *); 67 68 #endif /* !_MACHINE_MD_VAR_H_ */ 69