x86: local.h fix checkpatch warnings
[linux-2.6/openmoko-kernel/knife-kernel.git] / include / asm-sh / addrspace.h
blobfa544fc38c233cc546a51c309e203dcd93570cf7
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.
6 * Copyright (C) 1999 by Kaz Kojima
8 * Defitions for the address spaces of the SH CPUs.
9 */
10 #ifndef __ASM_SH_ADDRSPACE_H
11 #define __ASM_SH_ADDRSPACE_H
13 #ifdef __KERNEL__
15 #include <asm/cpu/addrspace.h>
17 /* If this CPU supports segmentation, hook up the helpers */
18 #ifdef P1SEG
21 [ P0/U0 (virtual) ] 0x00000000 <------ User space
22 [ P1 (fixed) cached ] 0x80000000 <------ Kernel space
23 [ P2 (fixed) non-cachable] 0xA0000000 <------ Physical access
24 [ P3 (virtual) cached] 0xC0000000 <------ vmalloced area
25 [ P4 control ] 0xE0000000
28 /* Returns the privileged segment base of a given address */
29 #define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
31 /* Returns the physical address of a PnSEG (n=1,2) address */
32 #define PHYSADDR(a) (((unsigned long)(a)) & 0x1fffffff)
34 #ifdef CONFIG_29BIT
36 * Map an address to a certain privileged segment
38 #define P1SEGADDR(a) \
39 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
40 #define P2SEGADDR(a) \
41 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG))
42 #define P3SEGADDR(a) \
43 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG))
44 #define P4SEGADDR(a) \
45 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG))
46 #endif /* 29BIT */
47 #endif /* P1SEG */
49 /* Check if an address can be reached in 29 bits */
50 #define IS_29BIT(a) (((unsigned long)(a)) < 0x20000000)
52 #endif /* __KERNEL__ */
53 #endif /* __ASM_SH_ADDRSPACE_H */