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 sigcode32[]; 37 extern int szsigcode32; 38 39 #ifdef __powerpc64__ 40 extern char sigcode64[]; 41 extern int szsigcode64; 42 #endif 43 44 extern long Maxmem; 45 extern int busdma_swi_pending; 46 47 extern vm_offset_t kstack0; 48 extern vm_offset_t kstack0_phys; 49 50 extern int powerpc_pow_enabled; 51 extern int cacheline_size; 52 extern int hw_direct_map; 53 54 void __syncicache(void *, int); 55 56 void busdma_swi(void); 57 int is_physical_memory(vm_offset_t addr); 58 int mem_valid(vm_offset_t addr, int len); 59 60 void decr_init(void); 61 void decr_ap_init(void); 62 void decr_tc_init(void); 63 64 void cpu_setup(u_int); 65 66 struct trapframe; 67 void powerpc_interrupt(struct trapframe *); 68 69 #endif /* !_MACHINE_MD_VAR_H_ */ 70