xref: /freebsd/sys/arm/include/stack.h (revision ea906c4152774dff300bb26fbfc1e4188351c89a)
1 /*-
2  * Copyright (c) 2000, 2001 Ben Harris
3  * Copyright (c) 1996 Scott K. Stevens
4  *
5  * Mach Operating System
6  * Copyright (c) 1991,1990 Carnegie Mellon University
7  * All Rights Reserved.
8  *
9  * Permission to use, copy, modify and distribute this software and its
10  * documentation is hereby granted, provided that both the copyright
11  * notice and this permission notice appear in all copies of the
12  * software, derivative works or modified versions, and any portions
13  * thereof, and that both notices appear in supporting documentation.
14  *
15  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
17  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18  *
19  * Carnegie Mellon requests users of this software to return to
20  *
21  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22  *  School of Computer Science
23  *  Carnegie Mellon University
24  *  Pittsburgh PA 15213-3890
25  *
26  * any improvements or extensions that they make and grant Carnegie the
27  * rights to redistribute these changes.
28  *
29  * $FreeBSD$
30  */
31 
32 #ifndef _MACHINE_STACK_H_
33 #define	_MACHINE_STACK_H_
34 
35 #define INKERNEL(va)	(((vm_offset_t)(va)) >= VM_MIN_KERNEL_ADDRESS)
36 
37 #define FR_SCP	(0)
38 #define FR_RLV	(-1)
39 #define FR_RSP	(-2)
40 #define FR_RFP	(-3)
41 
42 #endif /* !_MACHINE_STACK_H_ */
43