1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1998 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 * 28 * $FreeBSD$ 29 */ 30 31 #ifndef _MACHINE_MD_VAR_H_ 32 #define _MACHINE_MD_VAR_H_ 33 34 /* 35 * Miscellaneous machine-dependent declarations. 36 */ 37 38 extern char sigcode32[]; 39 extern int szsigcode32; 40 41 #ifdef __powerpc64__ 42 extern char sigcode64[], sigcode64_elfv2[]; 43 extern int szsigcode64, szsigcode64_elfv2; 44 #endif 45 46 extern long Maxmem; 47 extern int busdma_swi_pending; 48 49 extern vm_offset_t kstack0; 50 extern vm_offset_t kstack0_phys; 51 52 extern int powerpc_pow_enabled; 53 extern int cacheline_size; 54 extern int hw_direct_map; 55 56 void __syncicache(void *, int); 57 58 void busdma_swi(void); 59 int is_physical_memory(vm_offset_t addr); 60 int mem_valid(vm_offset_t addr, int len); 61 62 void decr_init(void); 63 void decr_ap_init(void); 64 void decr_tc_init(void); 65 66 void cpu_feature_setup(void); 67 void cpu_setup(u_int); 68 69 struct trapframe; 70 void powerpc_interrupt(struct trapframe *); 71 72 #endif /* !_MACHINE_MD_VAR_H_ */ 73