Commit Graph

4 Commits

Author SHA1 Message Date
Ceping Sun 5bb4f9694a OvmfPkg/PlatformPei: Build gCcEventEntryHobGuid at First
Since the PEI Hob service is ready after PEIM loaded,
TDVF should build the Hob for TdHob and Cfv event
at first.

Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Ceping Sun <cepingx.sun@intel.com>
2024-09-03 17:06:40 +00:00
Ceping Sun 9d5a9940e4 OvmfPkg: Refactor PcdSetNxForStack usage in TDVF
In the current code, TDVF reads the PcdSetNxForStack value via fw_cfg ,
but overwrites it with a fixed value after the read is complete.

In this patch, TDVF removes the redundant logic code.

Cc: Erdem Aktas <erdemaktas@google.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Min Xu <min.m.xu@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Elena Reshetova <elena.reshetova@intel.com>
Signed-off-by: Ceping Sun <cepingx.sun@intel.com>
2024-08-30 15:45:40 +00:00
Min M Xu 1f9bd937b3 OvmfPkg/PlatformPei: Build GuidHob for Tdx measurement
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4243

TdxHelperBuildGuidHobForTdxMeasurement is called in PlatformPei to build
GuidHob for Tdx measurement.

Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Michael Roth <michael.roth@amd.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
2023-02-04 03:38:15 +00:00
Min Xu cf17156d7d OvmfPkg: Update PlatformPei to support Tdx guest
RFC: https://bugzilla.tianocore.org/show_bug.cgi?id=3429

OvmfPkg/PlatformPei is updated to support Tdx guest. There are below
major changes.
 - Set Tdx related PCDs
 - Publish Tdx RamRegions

In this patch there is another new function BuildPlatformInfoHob ().
This function builds EFI_HOB_PLATFORM_INFO which contains the
HostBridgeDevId. The hob is built in both Td guest and Non-Td guest.

Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Cc: Erdem Aktas <erdemaktas@google.com>
Cc: James Bottomley <jejb@linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao@intel.com>
Cc: Tom Lendacky <thomas.lendacky@amd.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Acked-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Jiewen Yao <jiewen.yao@intel.com>
Signed-off-by: Min Xu <min.m.xu@intel.com>
2022-04-02 08:15:12 +00:00