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authorPaul Mundt <lethal@linux-sh.org>2007-11-08 18:42:46 +0900
committerPaul Mundt <lethal@linux-sh.org>2008-01-28 13:18:38 +0900
commit5a668651bf0da3891c46ea2cfcac227ded783a5a (patch)
tree7cc74e8a20a05f68b365e0afd5711fc156a1d014 /include/asm-sh/addrspace.h
parent39d28a2dbe3886d84335f69da4c18972a31a217d (diff)
downloadop-kernel-dev-5a668651bf0da3891c46ea2cfcac227ded783a5a.zip
op-kernel-dev-5a668651bf0da3891c46ea2cfcac227ded783a5a.tar.gz
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 b860218..cb9da99 100644
--- a/include/asm-sh/addrspace.h
+++ b/include/asm-sh/addrspace.h
@@ -9,24 +9,13 @@
*/
#ifndef __ASM_SH_ADDRSPACE_H
#define __ASM_SH_ADDRSPACE_H
+
#ifdef __KERNEL__
#include <asm/cpu/addrspace.h>
-/* Memory segments (32bit Privileged mode addresses) */
-#ifndef CONFIG_CPU_SH2A
-#define P0SEG 0x00000000
-#define P1SEG 0x80000000
-#define P2SEG 0xa0000000
-#define P3SEG 0xc0000000
-#define P4SEG 0xe0000000
-#else
-#define P0SEG 0x00000000
-#define P1SEG 0x00000000
-#define P2SEG 0x20000000
-#define P3SEG 0x00000000
-#define P4SEG 0x80000000
-#endif
+/* If this CPU supports segmentation, hook up the helpers */
+#ifdef P1SEG
/* Returns the privileged segment base of a given address */
#define PXSEG(a) (((unsigned long)(a)) & 0xe0000000)
@@ -37,10 +26,16 @@
/*
* 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))
+#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 /* P1SEG */
#endif /* __KERNEL__ */
#endif /* __ASM_SH_ADDRSPACE_H */
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