/* * 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. */ #ifndef __ASM_SH_ADDRSPACE_H #define __ASM_SH_ADDRSPACE_H #ifdef __KERNEL__ #include <asm/cpu/addrspace.h> /* Memory segments (32bit Privileged mode addresses) */ #ifndef CONFIG_CPU_SH2A #define P0SEG 0x00000000 #define P1SEG 0x80000000 #define P2SEG 0xa0000000 #define P3SEG 0xc0000000 #define P4SEG 0xe0000000 #else #define P0SEG 0x00000000 #define P1SEG 0x00000000 #define P2SEG 0x20000000 #define P3SEG 0x00000000 #define P4SEG 0x80000000 #endif /* 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 */