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MdePkg/BaseLib.h: Update IA32_CR4 structure for 5-level paging 

5-level paging is documented in white paper:
https://software.intel.com/sites/default/files/managed/2b/80/5-level_paging_white_paper.pdf

Commit f8113e2500
changed Cpuid.h already.

This patch updates IA32_CR4 structure to include LA57 field.

Signed-off-by: Ray Ni <ray.ni@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Reviewed-by: Michael D Kinney <michael.d.kinney@intel.com>
(cherry picked from commit 7c5010c7f8)
This commit is contained in:
Ray Ni 2019-06-12 11:04:52 +08:00
parent deb90ac03a
commit 6e5a33d1fb
1 changed files with 2 additions and 1 deletions
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MdePkg/Include/Library/BaseLib.h
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@ -5324,7 +5324,8 @@ typedef union {
UINT32 OSXMMEXCPT:1; ///< Operating System Support for
///< Unmasked SIMD Floating Point
///< Exceptions.
UINT32 Reserved_0:2; ///< Reserved.
UINT32 Reserved_2:1; ///< Reserved.
UINT32 LA57:1; ///< Linear Address 57bit.
UINT32 VMXE:1; ///< VMX Enable
UINT32 Reserved_1:18; ///< Reserved.
} Bits;