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authorLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 21:23:53 +0400
committerLinus Torvalds <torvalds@linux-foundation.org>2009-03-30 21:23:53 +0400
commitebc8eca169be0283d5a7ab54c4411dd59cfb0f27 (patch)
tree831f6d577da3469e3154bf29409281c640bb67df /arch/powerpc/include/asm/pte-hash64-4k.h
parent25c1a411e8a0a709abe3449866125dc290711ea8 (diff)
parent9ff9a26b786c35ee8d2a66222924a807ec851a9f (diff)
downloadlinux-ebc8eca169be0283d5a7ab54c4411dd59cfb0f27.tar.xz
Merge branch 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc
* 'next' of git://git.kernel.org/pub/scm/linux/kernel/git/benh/powerpc: (180 commits) powerpc: clean up ssi.txt, add definition for fsl,ssi-asynchronous powerpc/85xx: Add support for the "socrates" board (MPC8544). powerpc: Fix bugs introduced by sysfs changes powerpc: Sanitize stack pointer in signal handling code powerpc: Add write barrier before enabling DTL flags powerpc/83xx: Update ranges in gianfar node to match other dts powerpc/86xx: Move gianfar mdio nodes under the ethernet nodes powerpc/85xx: Move gianfar mdio nodes under the ethernet nodes powerpc/83xx: Move gianfar mdio nodes under the ethernet nodes powerpc/83xx: Add power management support for MPC837x boards powerpc/mm: Introduce early_init_mmu() on 64-bit powerpc/mm: Add option for non-atomic PTE updates to ppc64 powerpc/mm: Fix printk type warning in mmu_context_nohash powerpc/mm: Rename arch/powerpc/kernel/mmap.c to mmap_64.c powerpc/mm: Merge various PTE bits and accessors definitions powerpc/mm: Tweak PTE bit combination definitions powerpc/cell: Fix iommu exception reporting powerpc/mm: e300c2/c3/c4 TLB errata workaround powerpc/mm: Used free register to save a few cycles in SW TLB miss handling powerpc/mm: Remove unused register usage in SW TLB miss handling ...
Diffstat (limited to 'arch/powerpc/include/asm/pte-hash64-4k.h')
-rw-r--r--arch/powerpc/include/asm/pte-hash64-4k.h17
1 files changed, 17 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 000000000000..c134e809aac3
--- /dev/null
+++ b/arch/powerpc/include/asm/pte-hash64-4k.h
@@ -0,0 +1,17 @@
+/* To be include by pgtable-hash64.h only */
+
+/* PTE bits */
+#define _PAGE_HASHPTE 0x0400 /* software: pte has an associated HPTE */
+#define _PAGE_SECONDARY 0x8000 /* software: HPTE is in secondary group */
+#define _PAGE_GROUP_IX 0x7000 /* software: HPTE index within group */
+#define _PAGE_F_SECOND _PAGE_SECONDARY
+#define _PAGE_F_GIX _PAGE_GROUP_IX
+#define _PAGE_SPECIAL 0x10000 /* software: special page */
+
+/* PTE flags to conserve for HPTE identification */
+#define _PAGE_HPTEFLAGS (_PAGE_BUSY | _PAGE_HASHPTE | \
+ _PAGE_SECONDARY | _PAGE_GROUP_IX)
+
+/* shift to put page number into pte */
+#define PTE_RPN_SHIFT (17)
+