[edk2-devel] [PATCH V11 23/47] OvmfPkg/PlatformPei: Refactor MaxCpuCountInitialization
Min Xu
min.m.xu at intel.com
Mon Mar 28 08:08:02 UTC 2022
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=3863
MaxCpuCountInitialization is splitted into two:
- PlatformMaxCpuCountInitialization is for PlatformInitLib
- MaxCpuCountInitialization is for PlatformPei. It calls
PlatformMaxCpuCountInitialization then sets PCDs.
Cc: Ard Biesheuvel <ardb+tianocore at kernel.org>
Cc: Jordan Justen <jordan.l.justen at intel.com>
Cc: Brijesh Singh <brijesh.singh at amd.com>
Cc: Erdem Aktas <erdemaktas at google.com>
Cc: James Bottomley <jejb at linux.ibm.com>
Cc: Jiewen Yao <jiewen.yao at intel.com>
Cc: Tom Lendacky <thomas.lendacky at amd.com>
Cc: Gerd Hoffmann <kraxel at redhat.com>
Cc: Sebastien Boeuf <sebastien.boeuf at intel.com>
Acked-by: Gerd Hoffmann <kraxel at redhat.com>
Signed-off-by: Min Xu <min.m.xu at intel.com>
---
OvmfPkg/PlatformPei/Platform.c | 33 +++++++++++++++++++++++----------
1 file changed, 23 insertions(+), 10 deletions(-)
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index 7d370c9b8fa8..20e38a098d52 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -539,16 +539,15 @@ Q35BoardVerification (
/**
Fetch the boot CPU count and the possible CPU count from QEMU, and expose
- them to UefiCpuPkg modules. Set the mMaxCpuCount variable.
+ them to UefiCpuPkg modules. Set the MaxCpuCount field in PlatformInfoHob.
**/
VOID
-MaxCpuCountInitialization (
+PlatformMaxCpuCountInitialization (
IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
)
{
- UINT16 BootCpuCount;
- UINT32 MaxCpuCount;
- RETURN_STATUS PcdStatus;
+ UINT16 BootCpuCount;
+ UINT32 MaxCpuCount;
//
// Try to fetch the boot CPU count.
@@ -705,15 +704,29 @@ MaxCpuCountInitialization (
));
ASSERT (BootCpuCount <= MaxCpuCount);
- PcdStatus = PcdSet32S (PcdCpuBootLogicalProcessorNumber, BootCpuCount);
- ASSERT_RETURN_ERROR (PcdStatus);
- PcdStatus = PcdSet32S (PcdCpuMaxLogicalProcessorNumber, MaxCpuCount);
- ASSERT_RETURN_ERROR (PcdStatus);
-
PlatformInfoHob->PcdCpuMaxLogicalProcessorNumber = MaxCpuCount;
PlatformInfoHob->PcdCpuBootLogicalProcessorNumber = BootCpuCount;
}
+/**
+ Fetch the boot CPU count and the possible CPU count from QEMU, and expose
+ them to UefiCpuPkg modules. Set the MaxCpuCount field in PlatformInfoHob.
+**/
+VOID
+MaxCpuCountInitialization (
+ IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
+ )
+{
+ RETURN_STATUS PcdStatus;
+
+ PlatformMaxCpuCountInitialization (PlatformInfoHob);
+
+ PcdStatus = PcdSet32S (PcdCpuBootLogicalProcessorNumber, PlatformInfoHob->PcdCpuBootLogicalProcessorNumber);
+ ASSERT_RETURN_ERROR (PcdStatus);
+ PcdStatus = PcdSet32S (PcdCpuMaxLogicalProcessorNumber, PlatformInfoHob->PcdCpuMaxLogicalProcessorNumber);
+ ASSERT_RETURN_ERROR (PcdStatus);
+}
+
/**
Perform Platform PEI initialization.
--
2.29.2.windows.2
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#88113): https://edk2.groups.io/g/devel/message/88113
Mute This Topic: https://groups.io/mt/90079998/1813853
Group Owner: devel+owner at edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [edk2-devel-archive at redhat.com]
-=-=-=-=-=-=-=-=-=-=-=-
More information about the edk2-devel-archive
mailing list