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author | Michael Trimarchi <trimarchimichael@yahoo.it> | 2009-08-20 00:27:44 -0400 |
---|---|---|
committer | Paul Mundt <lethal@linux-sh.org> | 2009-08-20 00:27:44 -0400 |
commit | 6503fe4a6508673c15a509ec4ac3ca5979ae9593 (patch) | |
tree | fb5b77f9dfc320b7834c8a1ada22469cf247f36b /arch/sh/include/asm/pgtable_32.h | |
parent | 5c9740a8b797c9141a39e8115f5652d7bb28a67d (diff) |
sh: Better description of SH-4 PTEA register update.
Signed-off-by: Michael Trimarchi <trimarchimichael@yahoo.it>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/include/asm/pgtable_32.h')
-rw-r--r-- | arch/sh/include/asm/pgtable_32.h | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/sh/include/asm/pgtable_32.h b/arch/sh/include/asm/pgtable_32.h index 0db19db913c7..4c4429cda56d 100644 --- a/arch/sh/include/asm/pgtable_32.h +++ b/arch/sh/include/asm/pgtable_32.h | |||
@@ -87,6 +87,14 @@ | |||
87 | #define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */ | 87 | #define _PAGE_PCC_ATR8 0x60000000 /* Attribute Memory space, 8 bit bus */ |
88 | #define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */ | 88 | #define _PAGE_PCC_ATR16 0x60000001 /* Attribute Memory space, 6 bit bus */ |
89 | 89 | ||
90 | #ifndef CONFIG_X2TLB | ||
91 | /* copy the ptea attributes */ | ||
92 | static inline unsigned long copy_ptea_attributes(unsigned long x) | ||
93 | { | ||
94 | return ((x >> 28) & 0xe) | (x & 0x1); | ||
95 | } | ||
96 | #endif | ||
97 | |||
90 | /* Mask which drops unused bits from the PTEL value */ | 98 | /* Mask which drops unused bits from the PTEL value */ |
91 | #if defined(CONFIG_CPU_SH3) | 99 | #if defined(CONFIG_CPU_SH3) |
92 | #define _PAGE_CLEAR_FLAGS (_PAGE_PROTNONE | _PAGE_ACCESSED| \ | 100 | #define _PAGE_CLEAR_FLAGS (_PAGE_PROTNONE | _PAGE_ACCESSED| \ |