xref: /netbsd/sys/arch/i386/include/kcore.h (revision 22e594a0)
1 /*	$NetBSD: kcore.h,v 1.7 2020/04/25 15:26:17 bouyer Exp $	*/
2 
3 /*
4  * Copyright (c) 1996 Carnegie-Mellon University.
5  * All rights reserved.
6  *
7  * Author: Chris G. Demetriou
8  *
9  * Permission to use, copy, modify and distribute this software and
10  * its 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
17  * FOR 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 
30 /*
31  * Modified for NetBSD/i386 by Jason R. Thorpe, Numerical Aerospace
32  * Simulation Facility, NASA Ames Research Center.
33  */
34 
35 #ifndef _I386_KCORE_H_
36 #define _I386_KCORE_H_
37 
38 typedef struct cpu_kcore_hdr {
39 	uint32_t	pdppaddr;		/* PA of PDP */
40 	uint32_t	nmemsegs;		/* Number of RAM segments */
41 #if 0
42 	phys_ram_seg_t  memsegs[];		/* RAM segments */
43 #endif
44 } cpu_kcore_hdr_t;
45 
46 /*
47  * Used to indicate that PAE should be used for virtual address
48  * translation. As PDPpaddr is expected to be PAGE_SIZE aligned,
49  * this can be safely OR'ed in pdppaddr.
50  * To avoid any kind of conflict with existing MMU bits, we chose one
51  * ignored by hardware
52  */
53 #define I386_KCORE_PAE	PTE_AVL1
54 
55 #ifdef _KERNEL
56 void	dumpsys(void);
57 
58 extern struct pcb dumppcb;
59 extern int	sparse_dump;
60 #endif
61 
62 #endif /* _I386_KCORE_H_ */
63