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authorKumar Gala <galak@kernel.crashing.org>2009-09-01 11:48:42 -0400
committerBenjamin Herrenschmidt <benh@kernel.crashing.org>2009-09-02 02:20:41 -0400
commit76acc2c1a7a9a8c2cae7e9cf8d0a8b374a48aa94 (patch)
tree3d65ea23c18d4a73ce55724de66ae9eb7eb2358d /arch/powerpc/include/asm/pte-fsl-booke.h
parent1d5d9527d8ed8d87beb22a4fd954366aeabd12c7 (diff)
powerpc/fsl-booke: Use HW PTE format if CONFIG_PTE_64BIT
Switch to using the Power ISA defined PTE format when we have a 64-bit PTE. This makes the code handling between fsl-booke and book3e-64 similiar for TLB faults. Additionally this lets use take advantage of the page size encodings and full permissions that the HW PTE defines. Also defined _PMD_PRESENT, _PMD_PRESENT_MASK, and _PMD_BAD since the 32-bit ppc arch code expects them. Signed-off-by: Kumar Gala <galak@kernel.crashing.org> Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
Diffstat (limited to 'arch/powerpc/include/asm/pte-fsl-booke.h')
-rw-r--r--arch/powerpc/include/asm/pte-fsl-booke.h7
1 files changed, 0 insertions, 7 deletions
diff --git a/arch/powerpc/include/asm/pte-fsl-booke.h b/arch/powerpc/include/asm/pte-fsl-booke.h
index ce8a9e94ce7f..2c12be5f677a 100644
--- a/arch/powerpc/include/asm/pte-fsl-booke.h
+++ b/arch/powerpc/include/asm/pte-fsl-booke.h
@@ -33,13 +33,6 @@
33#define _PAGE_WRITETHRU 0x00400 /* H: W bit */ 33#define _PAGE_WRITETHRU 0x00400 /* H: W bit */
34#define _PAGE_SPECIAL 0x00800 /* S: Special page */ 34#define _PAGE_SPECIAL 0x00800 /* S: Special page */
35 35
36#ifdef CONFIG_PTE_64BIT
37/* ERPN in a PTE never gets cleared, ignore it */
38#define _PTE_NONE_MASK 0xffffffffffff0000ULL
39/* We extend the size of the PTE flags area when using 64-bit PTEs */
40#define PTE_RPN_SHIFT (PAGE_SHIFT + 8)
41#endif
42
43#define _PMD_PRESENT 0 36#define _PMD_PRESENT 0
44#define _PMD_PRESENT_MASK (PAGE_MASK) 37#define _PMD_PRESENT_MASK (PAGE_MASK)
45#define _PMD_BAD (~PAGE_MASK) 38#define _PMD_BAD (~PAGE_MASK)