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
6 * Copyright (C) 1999 by Kaz Kojima
8 * Defitions for the address spaces of the SH CPUs.
10 #ifndef __ASM_SH_ADDRSPACE_H
11 #define __ASM_SH_ADDRSPACE_H
15 #include <asm/cpu/addrspace.h>
17 /* If this CPU supports segmentation, hook up the helpers */
20 /* Returns the privileged segment base of a given address */
21 #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
23 /* Returns the physical address of a PnSEG (n=1,2) address */
24 #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
27 * Map an address to a certain privileged segment
29 #define P1SEGADDR(a) \
30 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
31 #define P2SEGADDR(a) \
32 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
33 #define P3SEGADDR(a) \
34 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
35 #define P4SEGADDR(a) \
36 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
40 #endif /* __KERNEL__ */
41 #endif /* __ASM_SH_ADDRSPACE_H */