diff options
Diffstat (limited to 'arch/powerpc/include')
| -rw-r--r-- | arch/powerpc/include/asm/pte-8xx.h | 13 |
1 files changed, 6 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index dd5ea95..68ba861 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h @@ -33,21 +33,20 @@ #define _PAGE_NO_CACHE 0x0002 /* I: cache inhibit */ #define _PAGE_SHARED 0x0004 /* No ASID (context) compare */ #define _PAGE_SPECIAL 0x0008 /* SW entry, forced to 0 by the TLB miss */ +#define _PAGE_DIRTY 0x0100 /* C: page changed */ -/* These five software bits must be masked out when the entry is loaded - * into the TLB. +/* These 3 software bits must be masked out when the entry is loaded + * into the TLB, 2 SW bits left. */ #define _PAGE_GUARDED 0x0010 /* software: guarded access */ -#define _PAGE_DIRTY 0x0020 /* software: page changed */ -#define _PAGE_RW 0x0040 /* software: user write access allowed */ -#define _PAGE_ACCESSED 0x0080 /* software: page referenced */ +#define _PAGE_ACCESSED 0x0020 /* software: page referenced */ /* Setting any bits in the nibble with the follow two controls will * require a TLB exception handler change. It is assumed unused bits * are always zero. */ -#define _PAGE_HWWRITE 0x0100 /* h/w write enable: never set in Linux PTE */ -#define _PAGE_USER 0x0800 /* One of the PP bits, the other is USER&~RW */ +#define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ +#define _PAGE_USER 0x0800 /* msb PP bits */ #define _PMD_PRESENT 0x0001 #define _PMD_BAD 0x0ff0 |