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authorPaul Mundt <lethal@linux-sh.org>2010-01-20 16:40:48 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-01-20 16:40:48 +0900
commit2efa53b269ec1e9289a108e1506f53f6f1de440b (patch)
treea5825e18be1044b2472cba5776e1ef47377f9834 /arch/sh/include/asm/mmu.h
parentsh: mach-sdk7786: Split out FPGA IRQ controller setup. (diff)
downloadlinux-dev-2efa53b269ec1e9289a108e1506f53f6f1de440b.tar.xz
linux-dev-2efa53b269ec1e9289a108e1506f53f6f1de440b.zip
sh: Make 29/32-bit mode check helper generally available.
Presently __in_29bit_mode() is only defined for the PMB case, but it's also easily derived from the CONFIG_29BIT and CONFIG_32BIT && CONFIG_PMB=n cases. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to '')
-rw-r--r--arch/sh/include/asm/mmu.h10
1 files changed, 9 insertions, 1 deletions
diff --git a/arch/sh/include/asm/mmu.h b/arch/sh/include/asm/mmu.h
index e5e8f48830ef..ca7d91e8aa72 100644
--- a/arch/sh/include/asm/mmu.h
+++ b/arch/sh/include/asm/mmu.h
@@ -31,6 +31,7 @@
#ifndef __ASSEMBLY__
#include <linux/errno.h>
+#include <linux/threads.h>
/* Default "unsigned long" context */
typedef unsigned long mm_context_id_t[NR_CPUS];
@@ -72,6 +73,7 @@ long pmb_remap(unsigned long virt, unsigned long phys,
unsigned long size, unsigned long flags);
void pmb_unmap(unsigned long addr);
int pmb_init(void);
+bool __in_29bit_mode(void);
#else
static inline long pmb_remap(unsigned long virt, unsigned long phys,
unsigned long size, unsigned long flags)
@@ -87,8 +89,14 @@ static inline int pmb_init(void)
{
return -ENODEV;
}
-#endif /* CONFIG_PMB */
+#ifdef CONFIG_29BIT
+#define __in_29bit_mode() (1)
+#else
+#define __in_29bit_mode() (0)
+#endif
+
+#endif /* CONFIG_PMB */
#endif /* __ASSEMBLY__ */
#endif /* __MMU_H */