| /* |
| * 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 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 */ |