1/* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Copyright (C) 2001 by Hiroyuki Kondo 7 * 8 * Defitions for the address spaces of the M32R CPUs. 9 */ 10#ifndef __ASM_M32R_ADDRSPACE_H 11#define __ASM_M32R_ADDRSPACE_H 12 13/* 14 * Memory segments (32bit kernel mode addresses) 15 */ 16#define KUSEG 0x00000000 17#define KSEG0 0x80000000 18#define KSEG1 0xa0000000 19#define KSEG2 0xc0000000 20#define KSEG3 0xe0000000 21 22#define K0BASE KSEG0 23 24/* 25 * Returns the kernel segment base of a given address 26 */ 27#ifndef __ASSEMBLY__ 28#define KSEGX(a) (((unsigned long)(a)) & 0xe0000000) 29#else 30#define KSEGX(a) ((a) & 0xe0000000) 31#endif 32 33/* 34 * Returns the physical address of a KSEG0/KSEG1 address 35 */ 36#ifndef __ASSEMBLY__ 37#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) 38#else 39#define PHYSADDR(a) ((a) & 0x1fffffff) 40#endif 41 42/* 43 * Map an address to a certain kernel segment 44 */ 45#ifndef __ASSEMBLY__ 46#define KSEG0ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG0)) 47#define KSEG1ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG1)) 48#define KSEG2ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG2)) 49#define KSEG3ADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | KSEG3)) 50#else 51#define KSEG0ADDR(a) (((a) & 0x1fffffff) | KSEG0) 52#define KSEG1ADDR(a) (((a) & 0x1fffffff) | KSEG1) 53#define KSEG2ADDR(a) (((a) & 0x1fffffff) | KSEG2) 54#define KSEG3ADDR(a) (((a) & 0x1fffffff) | KSEG3) 55#endif 56 57#endif /* __ASM_M32R_ADDRSPACE_H */ 58