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| File: [Development] / linux-2.6-xfs / include / asm-m32r / addrspace.h (download)
Revision 1.1, Fri Oct 1 15:10:15 2004 UTC (13 years ago) by nathans.longdrop.melbourne.sgi.com
Upgrade kernel to 2.6.9-rc3 and kdb to 4.4 Merge of 2.6.x-xfs-melb:linux:19628a by kenmcd. |
/* $Id: addrspace.h,v 1.1 2004/10/01 15:10:15 nathans.longdrop.melbourne.sgi.com Exp $ */ /* * This file is subject to the terms and conditions of the GNU General Public * License. See the file "COPYING" in the main directory of this archive * for more details. * * Copyright (C) 2001 by Hiroyuki Kondo * * Defitions for the address spaces of the M32R CPUs. */ #ifndef __ASM_M32R_ADDRSPACE_H #define __ASM_M32R_ADDRSPACE_H /* * Memory segments (32bit kernel mode addresses) */ #define KUSEG 0x00000000 #define KSEG0 0x80000000 #define KSEG1 0xa0000000 #define KSEG2 0xc0000000 #define KSEG3 0xe0000000 #define K0BASE KSEG0 /* * Returns the kernel segment base of a given address */ #ifndef __ASSEMBLY__ #define KSEGX(a) (((unsigned long)(a)) & 0xe0000000) #else #define KSEGX(a) ((a) & 0xe0000000) #endif /* * Returns the physical address of a KSEG0/KSEG1 address */ #ifndef __ASSEMBLY__ #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) #else #define PHYSADDR(a) ((a) & 0x1fffffff) #endif /* * Map an address to a certain kernel segment */ #ifndef __ASSEMBLY__ #define KSEG0ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG0)) #define KSEG1ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG1)) #define KSEG2ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG2)) #define KSEG3ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG3)) #else #define KSEG0ADDR(a) (((a) & 0x1fffffff) | KSEG0) #define KSEG1ADDR(a) (((a) & 0x1fffffff) | KSEG1) #define KSEG2ADDR(a) (((a) & 0x1fffffff) | KSEG2) #define KSEG3ADDR(a) (((a) & 0x1fffffff) | KSEG3) #endif #endif /* __ASM_M32R_ADDRSPACE_H */