xref: /netbsd-src/sys/arch/arc/include/vmparam.h (revision d48f14661dda8638fee055ba15d35bdfb29b9fa8)
1 /*	$NetBSD: vmparam.h,v 1.9 2005/12/11 12:16:39 christos Exp $	*/
2 /*	$OpenBSD: vmparam.h,v 1.3 1997/04/19 17:19:59 pefo Exp $	*/
3 /*	NetBSD: vmparam.h,v 1.5 1994/10/26 21:10:10 cgd Exp 	*/
4 
5 #include <mips/vmparam.h>
6 
7 /* VA 0xe0000000-0xffffffff is used for wired_map TLB entries. */
8 #undef  VM_MAX_KERNEL_ADDRESS
9 #define VM_MAX_KERNEL_ADDRESS		((vaddr_t)0xDFFFF000)
10 
11 #define VM_MIN_WIRED_MAP_ADDRESS	((vaddr_t)0xE0000000)
12 #define VM_MAX_WIRED_MAP_ADDRESS	((vaddr_t)0xFFFFC000)
13 
14 /*
15  * Maximum number of contigous physical memory segment.
16  */
17 #define	VM_PHYSSEG_MAX		16
18 
19 #define	VM_NFREELIST		1
20 #define	VM_FREELIST_DEFAULT	0
21 
22 #ifndef KSEG2IOBUFSIZE
23 #define KSEG2IOBUFSIZE	kseg2iobufsize	/* reserve PTEs for KSEG2 I/O space */
24 
25 extern vsize_t kseg2iobufsize;
26 #endif
27