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- /* $Id$ */
- /*
- * 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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