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OvmfPkg/PlatformPei: Refactor NoexecDxeInitialization 

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

NoexecDxeInitialization is split into 2 functions:
 - PlatformNoexecDxeInitialization is for PlatformInitLib
 - NoexecDxeInitialization calls PlatformNoexecDxeInitialization and
   then sets PCD.

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 2022-03-06 22:20:22 +08:00 committed by mergify[bot]
parent 12e860a1e8
commit cec82a64cf
1 changed files with 21 additions and 13 deletions
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34
OvmfPkg/PlatformPei/Platform.c
View File

@ -59,7 +59,6 @@ PlatformMemMapInitialization (
{
UINT64 PciIoBase;
UINT64 PciIoSize;
RETURN_STATUS PcdStatus;
UINT32 TopOfLowRam;
UINT64 PciExBarBase;
UINT32 PciBase;
@ -199,24 +198,33 @@ MemMapInitialization (
ASSERT_RETURN_ERROR (PcdStatus);
}
#define UPDATE_BOOLEAN_PCD_FROM_FW_CFG(TokenName) \
do { \
BOOLEAN Setting; \
RETURN_STATUS PcdStatus; \
\
if (!RETURN_ERROR (QemuFwCfgParseBool ( \
"opt/ovmf/" #TokenName, &Setting))) { \
PcdStatus = PcdSetBoolS (TokenName, Setting); \
ASSERT_RETURN_ERROR (PcdStatus); \
} \
} while (0)
/**
* Fetch "opt/ovmf/PcdSetNxForStack" from QEMU
*
* @param Setting The pointer to the setting of "/opt/ovmf/PcdSetNxForStack".
* @return EFI_SUCCESS Successfully fetch the settings.
*/
EFI_STATUS
EFIAPI
PlatformNoexecDxeInitialization (
IN OUT EFI_HOB_PLATFORM_INFO *PlatformInfoHob
)
{
return QemuFwCfgParseBool ("opt/ovmf/PcdSetNxForStack", &PlatformInfoHob->PcdSetNxForStack);
}
VOID
NoexecDxeInitialization (
VOID
)
{
UPDATE_BOOLEAN_PCD_FROM_FW_CFG (PcdSetNxForStack);
RETURN_STATUS Status;
Status = PlatformNoexecDxeInitialization (&mPlatformInfoHob);
if (!RETURN_ERROR (Status)) {
Status = PcdSetBoolS (PcdSetNxForStack, mPlatformInfoHob.PcdSetNxForStack);
ASSERT_RETURN_ERROR (Status);
}
}
VOID