projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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) 1999 by Kaz Kojima | |
| 7 | * | |
| 8 | * Defitions for the address spaces of the SH CPUs. | |
| 9 | */ | |
| 10 | #ifndef __ASM_SH_ADDRSPACE_H | |
| 11 | #define __ASM_SH_ADDRSPACE_H | |
| 12 | #ifdef __KERNEL__ | |
| 13 | ||
| 14 | #include <asm/cpu/addrspace.h> | |
| 15 | ||
| 7f927fcc | 16 | /* Memory segments (32bit Privileged mode addresses) */ |
| a2d1a5fa | 17 | #ifndef CONFIG_CPU_SH2A |
| 1da177e4 LT |
18 | #define P0SEG 0x00000000 |
| 19 | #define P1SEG 0x80000000 | |
| 20 | #define P2SEG 0xa0000000 | |
| 21 | #define P3SEG 0xc0000000 | |
| 22 | #define P4SEG 0xe0000000 | |
| e96636cc YS |
23 | #else |
| 24 | #define P0SEG 0x00000000 | |
| 25 | #define P1SEG 0x00000000 | |
| 26 | #define P2SEG 0x20000000 | |
| a2d1a5fa | 27 | #define P3SEG 0x00000000 |
| e96636cc YS |
28 | #define P4SEG 0x80000000 |
| 29 | #endif | |
| 1da177e4 LT |
30 | |
| 31 | /* Returns the privileged segment base of a given address */ | |
| 32 | #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) | |
| 33 | ||
| 34 | /* Returns the physical address of a PnSEG (n=1,2) address */ | |
| 35 | #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff) | |
| 36 | ||
| 37 | /* | |
| 38 | * Map an address to a certain privileged segment | |
| 39 | */ | |
| 40 | #define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) | |
| 41 | #define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) | |
| 42 | #define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) | |
| 43 | #define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) | |
| 44 | ||
| 45 | #endif /* __KERNEL__ */ | |
| 46 | #endif /* __ASM_SH_ADDRSPACE_H */ |