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/* * 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 */