blob: da6535d88a724c6538730e95718c40dd81057bc5 (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
|
#ifndef _SPARC_VADDRS_H
#define _SPARC_VADDRS_H
#include <asm/head.h>
/*
* asm/vaddrs.h: Here we define the virtual addresses at
* which important things will be mapped.
*
* Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
* Copyright (C) 2000 Anton Blanchard (anton@samba.org)
*/
#define SRMMU_MAXMEM 0x0c000000
#define SRMMU_NOCACHE_VADDR (KERNBASE + SRMMU_MAXMEM)
/* = 0x0fc000000 */
/* XXX Empiricals - this needs to go away - KMW */
#define SRMMU_MIN_NOCACHE_PAGES (550)
#define SRMMU_MAX_NOCACHE_PAGES (1280)
/* The following constant is used in mm/srmmu.c::srmmu_nocache_calcsize()
* to determine the amount of memory that will be reserved as nocache:
*
* 256 pages will be taken as nocache per each
* SRMMU_NOCACHE_ALCRATIO MB of system memory.
*
* limits enforced: nocache minimum = 256 pages
* nocache maximum = 1280 pages
*/
#define SRMMU_NOCACHE_ALCRATIO 64 /* 256 pages per 64MB of system RAM */
#define SUN4M_IOBASE_VADDR 0xfd000000 /* Base for mapping pages */
#define IOBASE_VADDR 0xfe000000
#define IOBASE_END 0xfe600000
#define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */
#define KADB_DEBUGGER_ENDVM 0xffd00000
#define DEBUG_FIRSTVADDR KADB_DEBUGGER_BEGVM
#define DEBUG_LASTVADDR KADB_DEBUGGER_ENDVM
#define LINUX_OPPROM_BEGVM 0xffd00000
#define LINUX_OPPROM_ENDVM 0xfff00000
#define DVMA_VADDR 0xfff00000 /* Base area of the DVMA on suns */
#define DVMA_END 0xfffc0000
#endif /* !(_SPARC_VADDRS_H) */
|
