x86, efi: Set runtime_version to the EFI spec revision
[linux/fpc-iii.git] / arch / sparc / include / asm / vaddrs.h
blobc3dbcf902034dc2fa3e566beeec1f6e62022a130
1 #ifndef _SPARC_VADDRS_H
2 #define _SPARC_VADDRS_H
4 #include <asm/head.h>
6 /*
7 * asm/vaddrs.h: Here we define the virtual addresses at
8 * which important things will be mapped.
10 * Copyright (C) 1995 David S. Miller (davem@caip.rutgers.edu)
11 * Copyright (C) 2000 Anton Blanchard (anton@samba.org)
14 #define SRMMU_MAXMEM 0x0c000000
16 #define SRMMU_NOCACHE_VADDR (KERNBASE + SRMMU_MAXMEM)
17 /* = 0x0fc000000 */
18 /* XXX Empiricals - this needs to go away - KMW */
19 #define SRMMU_MIN_NOCACHE_PAGES (550)
20 #define SRMMU_MAX_NOCACHE_PAGES (1280)
22 /* The following constant is used in mm/srmmu.c::srmmu_nocache_calcsize()
23 * to determine the amount of memory that will be reserved as nocache:
25 * 256 pages will be taken as nocache per each
26 * SRMMU_NOCACHE_ALCRATIO MB of system memory.
28 * limits enforced: nocache minimum = 256 pages
29 * nocache maximum = 1280 pages
31 #define SRMMU_NOCACHE_ALCRATIO 64 /* 256 pages per 64MB of system RAM */
33 #ifndef __ASSEMBLY__
34 #include <asm/kmap_types.h>
36 enum fixed_addresses {
37 FIX_HOLE,
38 #ifdef CONFIG_HIGHMEM
39 FIX_KMAP_BEGIN,
40 FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS),
41 #endif
42 __end_of_fixed_addresses
44 #endif
46 /* Leave one empty page between IO pages at 0xfd000000 and
47 * the top of the fixmap.
49 #define FIXADDR_TOP (0xfcfff000UL)
50 #define FIXADDR_SIZE ((FIX_KMAP_END + 1) << PAGE_SHIFT)
51 #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE)
53 #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT))
55 #define SUN4M_IOBASE_VADDR 0xfd000000 /* Base for mapping pages */
56 #define IOBASE_VADDR 0xfe000000
57 #define IOBASE_END 0xfe600000
59 #define KADB_DEBUGGER_BEGVM 0xffc00000 /* Where kern debugger is in virt-mem */
60 #define KADB_DEBUGGER_ENDVM 0xffd00000
61 #define DEBUG_FIRSTVADDR KADB_DEBUGGER_BEGVM
62 #define DEBUG_LASTVADDR KADB_DEBUGGER_ENDVM
64 #define LINUX_OPPROM_BEGVM 0xffd00000
65 #define LINUX_OPPROM_ENDVM 0xfff00000
67 #define DVMA_VADDR 0xfff00000 /* Base area of the DVMA on suns */
68 #define DVMA_END 0xfffc0000
70 #endif /* !(_SPARC_VADDRS_H) */