diff options
Diffstat (limited to 'include/asm-sparc/vaddrs.h')
| -rw-r--r-- | include/asm-sparc/vaddrs.h | 64 |
1 files changed, 0 insertions, 64 deletions
diff --git a/include/asm-sparc/vaddrs.h b/include/asm-sparc/vaddrs.h deleted file mode 100644 index a22fed5a3c6..00000000000 --- a/include/asm-sparc/vaddrs.h +++ /dev/null @@ -1,64 +0,0 @@ -#ifndef _SPARC_VADDRS_H -#define _SPARC_VADDRS_H - -#include <asm/head.h> - -/* - * asm-sparc/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 - -/* - * On the sun4/4c we need a place - * to reliably map locked down kernel data. This includes the - * task_struct and kernel stack pages of each process plus the - * scsi buffers during dvma IO transfers, also the floppy buffers - * during pseudo dma which runs with traps off (no faults allowed). - * Some quick calculations yield: - * NR_TASKS <512> * (3 * PAGE_SIZE) == 0x600000 - * Subtract this from 0xc00000 and you get 0x927C0 of vm left - * over to map SCSI dvma + floppy pseudo-dma buffers. So be - * careful if you change NR_TASKS or else there won't be enough - * room for it all. - */ -#define SUN4C_LOCK_VADDR 0xff000000 -#define SUN4C_LOCK_END 0xffc00000 - -#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) */ |