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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 */
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