/* SPDX-License-Identifier: GPL-2.0 */ #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 */ #ifndef __ASSEMBLY__ #include <asm/kmap_types.h> enum fixed_addresses { FIX_HOLE, #ifdef CONFIG_HIGHMEM FIX_KMAP_BEGIN, FIX_KMAP_END = (KM_TYPE_NR * NR_CPUS), #endif __end_of_fixed_addresses }; #endif /* Leave one empty page between IO pages at 0xfd000000 and * the top of the fixmap. */ #define FIXADDR_TOP (0xfcfff000UL) #define FIXADDR_SIZE ((FIX_KMAP_END + 1) << PAGE_SHIFT) #define FIXADDR_START (FIXADDR_TOP - FIXADDR_SIZE) #define __fix_to_virt(x) (FIXADDR_TOP - ((x) << PAGE_SHIFT)) #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) */Overall Contributors
| Person | Tokens | Prop | Commits | CommitProp |
| Linus Torvalds (pre-git) | 67 | 49.26% | 6 | 50.00% |
| Sam Ravnborg | 52 | 38.24% | 2 | 16.67% |
| Keith M. Wesolowski | 9 | 6.62% | 1 | 8.33% |
| Rob Radez | 6 | 4.41% | 1 | 8.33% |
| William Lee Irwin III | 1 | 0.74% | 1 | 8.33% |
| Greg Kroah-Hartman | 1 | 0.74% | 1 | 8.33% |
| Total | 136 | 100.00% | 12 | 100.00% |