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authorPaul Mundt <lethal@linux-sh.org>2007-11-08 04:42:46 -0500
committerPaul Mundt <lethal@linux-sh.org>2008-01-27 23:18:38 -0500
commit5a668651bf0da3891c46ea2cfcac227ded783a5a (patch)
tree7cc74e8a20a05f68b365e0afd5711fc156a1d014 /include/asm-sh/addrspace.h
parent39d28a2dbe3886d84335f69da4c18972a31a217d (diff)
sh: Split out PXSEG segmentation per-CPU family.
The CPU family abstraction already exists, so move out the PXSEG definition for each one. SH-2A already has this special cased, and SH-5 will as well. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/addrspace.h')
-rw-r--r--include/asm-sh/addrspace.h31
1 files changed, 13 insertions, 18 deletions
diff --git a/include/asm-sh/addrspace.h b/include/asm-sh/addrspace.h
index b860218e402e..cb9da9992fa0 100644
--- a/include/asm-sh/addrspace.h
+++ b/include/asm-sh/addrspace.h
@@ -9,24 +9,13 @@
9 */ 9 */
10#ifndef __ASM_SH_ADDRSPACE_H 10#ifndef __ASM_SH_ADDRSPACE_H
11#define __ASM_SH_ADDRSPACE_H 11#define __ASM_SH_ADDRSPACE_H
12
12#ifdef __KERNEL__ 13#ifdef __KERNEL__
13 14
14#include <asm/cpu/addrspace.h> 15#include <asm/cpu/addrspace.h>
15 16
16/* Memory segments (32bit Privileged mode addresses) */ 17/* If this CPU supports segmentation, hook up the helpers */
17#ifndef CONFIG_CPU_SH2A 18#ifdef P1SEG
18#define P0SEG 0x00000000
19#define P1SEG 0x80000000
20#define P2SEG 0xa0000000
21#define P3SEG 0xc0000000
22#define P4SEG 0xe0000000
23#else
24#define P0SEG 0x00000000
25#define P1SEG 0x00000000
26#define P2SEG 0x20000000
27#define P3SEG 0x00000000
28#define P4SEG 0x80000000
29#endif
30 19
31/* Returns the privileged segment base of a given address */ 20/* Returns the privileged segment base of a given address */
32#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000) 21#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
@@ -37,10 +26,16 @@
37/* 26/*
38 * Map an address to a certain privileged segment 27 * Map an address to a certain privileged segment
39 */ 28 */
40#define P1SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG)) 29#define P1SEGADDR(a) \
41#define P2SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P2SEG)) 30 ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P1SEG))
42#define P3SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P3SEG)) 31#define P2SEGADDR(a) \
43#define P4SEGADDR(a) ((__typeof__(a))(((unsigned long)(a) & 0x1fffffff) | P4SEG)) 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))
37
38#endif /* P1SEG */
44 39
45#endif /* __KERNEL__ */ 40#endif /* __KERNEL__ */
46#endif /* __ASM_SH_ADDRSPACE_H */ 41#endif /* __ASM_SH_ADDRSPACE_H */