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[edk2] ArmPkg: Expand AArch64 address width to 48 bits

Message ID 1432002249-5713-1-git-send-email-heyi.guo@linaro.org
State New
Headers show

Commit Message

gary guo May 19, 2015, 2:24 a.m. UTC 
The VA address space has a maximum address width of 48 bits in
AArch64 state; 48 bits address width limit will provide better
compatibility than 40 bits for future CPU.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Heyi Guo <heyi.guo@linaro.org>
---
 ArmPkg/Include/Chipset/AArch64Mmu.h | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)
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Patch

diff --git a/ArmPkg/Include/Chipset/AArch64Mmu.h b/ArmPkg/Include/Chipset/AArch64Mmu.h
index 77a96ec..2398ba2 100644
--- a/ArmPkg/Include/Chipset/AArch64Mmu.h
+++ b/ArmPkg/Include/Chipset/AArch64Mmu.h
@@ -51,8 +51,8 @@ 
 #define TT_ALIGNMENT_BLOCK_ENTRY                BIT12
 #define TT_ALIGNMENT_DESCRIPTION_TABLE          BIT12
 
-#define TT_ADDRESS_MASK_BLOCK_ENTRY             (0xFFFFFFFULL << 12)
-#define TT_ADDRESS_MASK_DESCRIPTION_TABLE       (0xFFFFFFFULL << 12)
+#define TT_ADDRESS_MASK_BLOCK_ENTRY             (0xFFFFFFFFFULL << 12)
+#define TT_ADDRESS_MASK_DESCRIPTION_TABLE       (0xFFFFFFFFFULL << 12)
 
 #define TT_TYPE_MASK                            0x3
 #define TT_TYPE_TABLE_ENTRY                     0x3