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OvmfPkg/PlatformPei: Refactor InitializeRamRegions

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BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863

InitializeRamRegions is refactored into 3 calls:
 - PlatformQemuInitializeRam
 - SevInitializeRam
 - PlatformQemuInitializeRamForS3

SevInitializeRam is not in PlatformInitLib. Because in the first stage
PlatformInitLib only support the basic platform featues.

PlatformQemuInitializeRamForS3 wraps the code which was previously in
InitializeRamRegions (many code in 2 if-checks).

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>
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>
This commit is contained in:
Min Xu
2022-03-07 21:54:30 +08:00
committed by mergify[bot]
parent f3801cf26c
commit e510326245
3 changed files with 28 additions and 17 deletions
Download Patch File Download Diff File Expand all files Collapse all files

2
OvmfPkg/PlatformPei/Platform.c
View File

@@ -79,7 +79,7 @@ MemMapInitialization (
return;
}
TopOfLowRam = GetSystemMemorySizeBelow4gb (PlatformInfoHob);
TopOfLowRam = PlatformGetSystemMemorySizeBelow4gb (PlatformInfoHob);
PciExBarBase = 0;
if (PlatformInfoHob->HostBridgeDevId == INTEL_Q35_MCH_DEVICE_ID) {
//