The series looks good to me, and I've tested your branch by building
CLOUDHV.fd and running it with Cloud Hypervisor, nothing's broken :)
Acked-by: Sebastien Boeuf <sebastien.boeuf@intel.com>
On Tue, 2022-03-08 at 10:36 +0800, Min Xu wrote:
> BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
>
> There are 3 variants of PlatformPei in OvmfPkg:
> - OvmfPkg/PlatformPei
> - OvmfPkg/Bhyve/PlatformPei
> - OvmfPkg/XenPlatformPei
>
> A lot of common code can be shared in above PlatformPeis. Further more,
> with the upstreaming of TDVF (Pei-less boot mode), a library which
> wraps the common functions is needed. PlatformInitLib is designed
> to meet this requirement.
>
> PlatformInitLib is designed to run in both PEI and SEC. So global
> variables and dynamic PCDs are avoided.
>
> As the first stage, OvmfPkg/PlatformPei will be refactored with
> PlatformInitLib. In the future we will refactor other PlatformPeis
> with this lib as well.
>
> Patch 1 - 2:
> Create initial version of PlatformInitLib and move Cmos / Hob functions
> to the lib.
>
> Patch 3:
> Move global variables in PlatformPei to PlatformInfoHob. Changes are
> all in OvmfPkg/PlatformPei.
>
> Patch 4 - 12:
> These patches restruct the functions which set PCDs into two, one for
> PlatformInitLib, one for PlatformPei.
>
> Patch 13 - 14:
> Pure move from PlatformPei to PlatformInitLib.
>
> Code at: https://github.com/mxu9/edk2/tree/platform-init-lib-v1
>
> 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>
> Cc: Sebastien Boeuf <sebastien.boeuf@intel.com>
> Signed-off-by: Min Xu <min.m.xu@intel.com>
>
> Min Xu (14):
> OvmfPkg: Create initial version of PlatformInitLib
> OvmfPkg/PlatformInitLib: Add hob functions
> OvmfPkg/PlatformPei: Move global variables to PlatformInfoHob
> OvmfPkg/PlatformPei: Refactor MiscInitialization
> OvmfPkg/PlatformPei: Refactor MiscInitialization for CloudHV
> OvmfPkg/PlatformPei: Refactor AddressWidthInitialization
> OvmfPkg/PlatformPei: Refactor MaxCpuCountInitialization
> OvmfPkg/PlatformPei: Refactor QemuUc32BaseInitialization
> OvmfPkg/PlatformPei: Refactor InitializeRamRegions
> OvmfPkg/PlatformPei: Refactor MemMapInitialization
> OvmfPkg/PlatformPei: Refactor NoexecDxeInitialization
> OvmfPkg/PlatformPei: Refactor MiscInitialization
> OvmfPkg/PlatformInitLib: Create MemDetect.c
> OvmfPkg/PlatformInitLib: Move functions to Platform.c
>
> OvmfPkg/AmdSev/AmdSevX64.dsc | 1 +
> OvmfPkg/CloudHv/CloudHvX64.dsc | 1 +
> OvmfPkg/Include/Library/PlatformInitLib.h | 206 +++++
> .../PlatformInitLib}/Cmos.c | 32 +-
> OvmfPkg/Library/PlatformInitLib/MemDetect.c | 842 +++++++++++++++++
> OvmfPkg/Library/PlatformInitLib/Platform.c | 571 ++++++++++++
> .../PlatformInitLib/PlatformInitLib.inf | 87 ++
> OvmfPkg/Microvm/MicrovmX64.dsc | 1 +
> OvmfPkg/OvmfPkg.dec | 4 +
> OvmfPkg/OvmfPkgIa32.dsc | 1 +
> OvmfPkg/OvmfPkgIa32X64.dsc | 1 +
> OvmfPkg/OvmfPkgX64.dsc | 1 +
> OvmfPkg/PlatformPei/AmdSev.c | 10 +-
> OvmfPkg/PlatformPei/Cmos.h | 48 -
> OvmfPkg/PlatformPei/Fv.c | 6 +-
> OvmfPkg/PlatformPei/MemDetect.c | 874 ++----------------
> OvmfPkg/PlatformPei/MemTypeInfo.c | 4 +-
> OvmfPkg/PlatformPei/Platform.c | 616 ++----------
> OvmfPkg/PlatformPei/Platform.h | 80 +-
> OvmfPkg/PlatformPei/PlatformPei.inf | 3 +-
> 20 files changed, 1912 insertions(+), 1477 deletions(-)
> create mode 100644 OvmfPkg/Include/Library/PlatformInitLib.h
> rename OvmfPkg/{PlatformPei => Library/PlatformInitLib}/Cmos.c (61%)
> create mode 100644 OvmfPkg/Library/PlatformInitLib/MemDetect.c
> create mode 100644 OvmfPkg/Library/PlatformInitLib/Platform.c
> create mode 100644 OvmfPkg/Library/PlatformInitLib/PlatformInitLib.inf
> delete mode 100644 OvmfPkg/PlatformPei/Cmos.h
>
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