diff options
| author | Min Xu <min.m.xu@intel.com> | 2022-02-12 14:06:46 +0800 |
|---|---|---|
| committer | mergify[bot] <37929162+mergify[bot]@users.noreply.github.com> | 2022-04-02 08:15:12 +0000 |
| commit | 57bcfc3b06ad6edd7999313280f8d99b47f13ad5 (patch) | |
| tree | 1d3ee44cb6eda6393347e60bf14da41690a9cc63 /OvmfPkg/CloudHv | |
| parent | 6a608255bb431a1b71e49899763ca72108f8ed3f (diff) | |
| download | edk2-57bcfc3b06ad6edd7999313280f8d99b47f13ad5.tar.gz edk2-57bcfc3b06ad6edd7999313280f8d99b47f13ad5.tar.bz2 edk2-57bcfc3b06ad6edd7999313280f8d99b47f13ad5.zip | |
OvmfPkg: Create initial version of PlatformInitLib
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
There are 3 variants of PlatformPei in OvmfPkg:
- OvmfPkg/PlatformPei
- OvmfPkg/XenPlatformPei
- OvmfPkg/Bhyve/PlatformPei/PlatformPei.inf
These PlatformPeis can share many common codes, such as
Cmos / Hob / Memory / Platform related functions. This commit
(and its following several patches) are to create a PlatformInitLib
which wraps the common code called in above PlatformPeis.
In this initial version of PlatformInitLib, below Cmos related functions
are introduced:
- PlatformCmosRead8
- PlatformCmosWrite8
- PlatformDebugDumpCmos
They correspond to the functions in OvmfPkg/PlatformPei:
- CmosRead8
- CmosWrite8
- DebugDumpCmos
Considering this PlatformInitLib will be used in SEC phase, global
variables and dynamic PCDs are avoided. We use PlatformInfoHob
to exchange information between functions.
EFI_HOB_PLATFORM_INFO is the data struct which contains the platform
information, such as HostBridgeDevId, BootMode, S3Supported,
SmmSmramRequire, etc.
After PlatformInitLib is created, OvmfPkg/PlatformPei is refactored
with this library.
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>
Diffstat (limited to 'OvmfPkg/CloudHv')
| -rw-r--r-- | OvmfPkg/CloudHv/CloudHvX64.dsc | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc index b4d855d80f..b8a8238020 100644 --- a/OvmfPkg/CloudHv/CloudHvX64.dsc +++ b/OvmfPkg/CloudHv/CloudHvX64.dsc @@ -307,6 +307,7 @@ !include OvmfPkg/OvmfTpmLibsPeim.dsc.inc
MemEncryptSevLib|OvmfPkg/Library/BaseMemEncryptSevLib/PeiMemEncryptSevLib.inf
+ PlatformInitLib|OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf
[LibraryClasses.common.DXE_CORE]
HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf
|