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sh: Split out 29-bit and 32-bit physical mode definitions.

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Signed-off-by: Paul Mundt <lethal@linux-sh.org>
This commit is contained in:
Paul Mundt 2007-11-10 19:16:55 +09:00
commit 36bcd39dbc
3 changed files with 29 additions and 1 deletions
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17
include/asm-sh/pgtable.h
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@ -28,6 +28,23 @@ extern unsigned long empty_zero_page[PAGE_SIZE / sizeof(unsigned long)];
#endif /* !__ASSEMBLY__ */
/*
* Effective and physical address definitions, to aid with sign
* extension.
*/
#define NEFF 32
#define NEFF_SIGN (1LL << (NEFF - 1))
#define NEFF_MASK (-1LL << NEFF)
#ifdef CONFIG_29BIT
#define NPHYS 29
#else
#define NPHYS 32
#endif
#define NPHYS_SIGN (1LL << (NPHYS - 1))
#define NPHYS_MASK (-1LL << NPHYS)
/*
* traditional two-level paging structure
*/