2 * Copyright (c) 1998 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _MACHINE_MD_VAR_H_
30 #define _MACHINE_MD_VAR_H_
33 * Miscellaneous machine-dependent declarations.
36 extern char sigcode[];
37 extern char esigcode[];
40 extern int busdma_swi_pending;
42 extern vm_offset_t kstack0;
43 extern vm_offset_t kstack0_phys;
45 extern u_long ns_per_tick;
47 extern int powerpc_pow_enabled;
48 extern int cacheline_size;
49 extern int hw_direct_map;
51 void __syncicache(void *, int);
53 void busdma_swi(void);
54 int is_physical_memory(vm_offset_t addr);
55 int mem_valid(vm_offset_t addr, int len);
58 void decr_ap_init(void);
59 void decr_tc_init(void);
61 void cpu_setup(u_int);
64 void powerpc_interrupt(struct trapframe *);
66 #endif /* !_MACHINE_MD_VAR_H_ */