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MdePkg/BaseLib: add support for RMPADJUST instruction

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BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3275

The RMPADJUST instruction will be used by the SEV-SNP guest to modify the
RMP permissions for a guest page. See AMD APM volume 3 for further
details.

Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Michael D Kinney <michael.d.kinney@intel.com>
Cc: Liming Gao <gaoliming@byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu@intel.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Liming Gao <gaoliming@byosoft.com.cn>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Signed-off-by: Brijesh Singh <brijesh.singh@amd.com>
Message-Id: <20210519181949.6574-9-brijesh.singh@amd.com>
This commit is contained in:
Tom Lendacky
2021-05-19 13:19:44 -05:00
committed by mergify[bot]
parent 5a7cbd54a1
commit 2b5b2ff04d
4 changed files with 84 additions and 0 deletions
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1
MdePkg/Library/BaseLib/BaseLib.inf
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@@ -319,6 +319,7 @@
X64/DisablePaging64.nasm
X64/Pvalidate.nasm
X64/RdRand.nasm
X64/RmpAdjust.nasm
X64/XGetBv.nasm
X64/XSetBv.nasm
X64/VmgExit.nasm