blob: dbb05d1a26d18f4e330ce773c5245304a589b9ce [file] [log] [blame]
* 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) 1999 by Kaz Kojima
* Defitions for the address spaces of the SH CPUs.
#ifdef __KERNEL__
#include <asm/cpu/addrspace.h>
/* Memory segments (32bit Priviledged mode addresses) */
#define P0SEG 0x00000000
#define P1SEG 0x80000000
#define P2SEG 0xa0000000
#define P3SEG 0xc0000000
#define P4SEG 0xe0000000
/* Returns the privileged segment base of a given address */
#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
/* Returns the physical address of a PnSEG (n=1,2) address */
#define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
* Map an address to a certain privileged segment
#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
#endif /* __KERNEL__ */
#endif /* __ASM_SH_ADDRSPACE_H */