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MdeModulePkg: Added PcdEnableUserSpace.

This commit is contained in:
Mikhail Krichanov 2024-09-02 12:15:38 +03:00
parent 7ad8cac11d
commit 940a7e2074
4 changed files with 21 additions and 8 deletions
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1
MdeModulePkg/Core/Dxe/DxeMain.inf
View File

@ -216,6 +216,7 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdFwVolDxeMaxEncapsulationDepth ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdImageLargeAddressLoad ## CONSUMES
gEfiMdeModulePkgTokenSpaceGuid.PcdEnableUserSpace ## CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdDebugRaisePropertyMask ## CONSUMES
gEfiMdePkgTokenSpaceGuid.PcdImageProtectionPolicy ## CONSUMES
gUefiOvmfPkgTokenSpaceGuid.PcdOvmfWorkAreaBase ## CONSUMES

21
MdeModulePkg/Core/Dxe/Misc/MemoryProtection.c
View File

@ -236,14 +236,19 @@ ProtectUefiImage (
//
// CPU ARCH present. Update memory attribute directly.
//
if (AsciiStrStr (PdbPointer, "Fat") != NULL) {
SetUefiImageProtectionAttributes (ImageRecord, TRUE);
*IsUserImage = TRUE;
} else if (AsciiStrStr (PdbPointer, "Ring3") != NULL) {
SetUefiImageProtectionAttributes (ImageRecord, TRUE);
*IsUserImage = TRUE;
*IsRing3EntryPoint = TRUE;
} else {
if (PcdGetBool (PcdEnableUserSpace)) {
if (AsciiStrStr (PdbPointer, "Fat") != NULL) {
SetUefiImageProtectionAttributes (ImageRecord, TRUE);
*IsUserImage = TRUE;
} else if (AsciiStrStr (PdbPointer, "Ring3") != NULL) {
SetUefiImageProtectionAttributes (ImageRecord, TRUE);
*IsUserImage = TRUE;
*IsRing3EntryPoint = TRUE;
} else {
SetUefiImageProtectionAttributes (ImageRecord, FALSE);
*IsUserImage = FALSE;
}
} else {
SetUefiImageProtectionAttributes (ImageRecord, FALSE);
*IsUserImage = FALSE;
}

6
MdeModulePkg/MdeModulePkg.dec
View File

@ -1156,6 +1156,12 @@
# @Prompt Delay access XHCI register after it issues HCRST (us)
gEfiMdeModulePkgTokenSpaceGuid.PcdDelayXhciHCReset|2000|UINT16|0x30001060
## Indicates whether some DXE drivers will be loaded in user memory.
# TRUE - Some DXE drivers will be loaded in user memory.<BR>
# FALSE - All DXE drivers will be loaded in supervisor memory.<BR>
# @Prompt Enable User Space.
gEfiMdeModulePkgTokenSpaceGuid.PcdEnableUserSpace|FALSE|BOOLEAN|0x30001061
[PcdsFixedAtBuild, PcdsPatchableInModule]
## Dynamic type PCD can be registered callback function for Pcd setting action.
# PcdMaxPeiPcdCallBackNumberPerPcdEntry indicates the maximum number of callback function

1
OvmfPkg/OvmfPkgX64.dsc
View File

@ -622,6 +622,7 @@
gEfiMdePkgTokenSpaceGuid.PcdImageProtectionPolicy|0x00000003
!endif
gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard|TRUE
gEfiMdeModulePkgTokenSpaceGuid.PcdEnableUserSpace|TRUE
#
# Firmware volume supports UE, and may require PE.