aboutsummaryrefslogtreecommitdiffstats
path: root/arch/powerpc/include/asm/pte-hash64-4k.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/include/asm/pte-hash64-4k.h')
-rw-r--r--arch/powerpc/include/asm/pte-hash64-4k.h20
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/pte-hash64-4k.h b/arch/powerpc/include/asm/pte-hash64-4k.h
new file mode 100644
index 00000000000..29fdc158fe3
--- /dev/null
+++ b/arch/powerpc/include/asm/pte-hash64-4k.h
@@ -0,0 +1,20 @@
1/* To be include by pgtable-hash64.h only */
2
3/* PTE bits */
4#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */
5#define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */
6#define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */
7#define _PAGE_F_SECOND _PAGE_SECONDARY
8#define _PAGE_F_GIX _PAGE_GROUP_IX
9#define _PAGE_SPECIAL 0x10000 /* software: special page */
10
11/* There is no 4K PFN hack on 4K pages */
12#define _PAGE_4K_PFN 0
13
14/* PTE flags to conserve for HPTE identification */
15#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
16 _PAGE_SECONDARY | _PAGE_GROUP_IX)
17
18/* shift to put page number into pte */
19#define PTE_RPN_SHIFT (17)
20