diff options
Diffstat (limited to 'arch/powerpc/include/asm/pte-8xx.h')
| -rw-r--r-- | arch/powerpc/include/asm/pte-8xx.h | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/arch/powerpc/include/asm/pte-8xx.h b/arch/powerpc/include/asm/pte-8xx.h index d44826e4ff97..daa4616e61c4 100644 --- a/arch/powerpc/include/asm/pte-8xx.h +++ b/arch/powerpc/include/asm/pte-8xx.h | |||
| @@ -48,19 +48,22 @@ | |||
| 48 | */ | 48 | */ |
| 49 | #define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ | 49 | #define _PAGE_RW 0x0400 /* lsb PP bits, inverted in HW */ |
| 50 | #define _PAGE_USER 0x0800 /* msb PP bits */ | 50 | #define _PAGE_USER 0x0800 /* msb PP bits */ |
| 51 | /* set when neither _PAGE_USER nor _PAGE_RW are set */ | ||
| 52 | #define _PAGE_KNLRO 0x0200 | ||
| 51 | 53 | ||
| 52 | #define _PMD_PRESENT 0x0001 | 54 | #define _PMD_PRESENT 0x0001 |
| 53 | #define _PMD_BAD 0x0ff0 | 55 | #define _PMD_BAD 0x0ff0 |
| 54 | #define _PMD_PAGE_MASK 0x000c | 56 | #define _PMD_PAGE_MASK 0x000c |
| 55 | #define _PMD_PAGE_8M 0x000c | 57 | #define _PMD_PAGE_8M 0x000c |
| 56 | 58 | ||
| 57 | #define _PTE_NONE_MASK _PAGE_ACCESSED | 59 | #define _PTE_NONE_MASK _PAGE_KNLRO |
| 58 | 60 | ||
| 59 | /* Until my rework is finished, 8xx still needs atomic PTE updates */ | 61 | /* Until my rework is finished, 8xx still needs atomic PTE updates */ |
| 60 | #define PTE_ATOMIC_UPDATES 1 | 62 | #define PTE_ATOMIC_UPDATES 1 |
| 61 | 63 | ||
| 62 | /* We need to add _PAGE_SHARED to kernel pages */ | 64 | /* We need to add _PAGE_SHARED to kernel pages */ |
| 63 | #define _PAGE_KERNEL_RO (_PAGE_SHARED) | 65 | #define _PAGE_KERNEL_RO (_PAGE_SHARED | _PAGE_KNLRO) |
| 66 | #define _PAGE_KERNEL_ROX (_PAGE_EXEC | _PAGE_KNLRO) | ||
| 64 | #define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE) | 67 | #define _PAGE_KERNEL_RW (_PAGE_DIRTY | _PAGE_RW | _PAGE_HWWRITE) |
| 65 | 68 | ||
| 66 | #endif /* __KERNEL__ */ | 69 | #endif /* __KERNEL__ */ |