59 lines
1.7 KiB
C
59 lines
1.7 KiB
C
/* $Id$ */
|
|
/*
|
|
* 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 */
|