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* [PATCH 1/1] OvmfPkg: replace SECURE_BOOT_FEATURE_ENABLED with PcdSecureBootSupported
@ 2023-03-23 13:40 Gerd Hoffmann
  0 siblings, 0 replies; only message in thread
From: Gerd Hoffmann @ 2023-03-23 13:40 UTC (permalink / raw)
  To: devel
  Cc: Jordan Justen, Jiewen Yao, Oliver Steffen, Ard Biesheuvel,
	Gerd Hoffmann, Pawel Polawski, Sebastien Boeuf

Drop the '-D SECURE_BOOT_FEATURE_ENABLED' compile time option,
use a new FeaturePcd instead.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
---
 OvmfPkg/OvmfPkg.dec                             |  3 +++
 OvmfPkg/CloudHv/CloudHvX64.dsc                  | 10 +---------
 OvmfPkg/IntelTdx/IntelTdxX64.dsc                | 10 +---------
 OvmfPkg/Microvm/MicrovmX64.dsc                  | 10 +---------
 OvmfPkg/OvmfPkgIa32.dsc                         | 10 +---------
 OvmfPkg/OvmfPkgIa32X64.dsc                      | 10 +---------
 OvmfPkg/OvmfPkgX64.dsc                          | 10 +---------
 OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf |  2 ++
 OvmfPkg/PlatformPei/PlatformPei.inf             |  1 +
 OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c   | 11 ++++-------
 OvmfPkg/PlatformPei/Platform.c                  |  7 ++++---
 11 files changed, 20 insertions(+), 64 deletions(-)

diff --git a/OvmfPkg/OvmfPkg.dec b/OvmfPkg/OvmfPkg.dec
index 749fbd3b6bf4..03ae29e7b034 100644
--- a/OvmfPkg/OvmfPkg.dec
+++ b/OvmfPkg/OvmfPkg.dec
@@ -488,6 +488,9 @@ [PcdsFeatureFlag]
   #  used by OVMF, the varstore pflash chip, LockBox etc).
   gUefiOvmfPkgTokenSpaceGuid.PcdSmmSmramRequire|FALSE|BOOLEAN|0x1e
 
+  ## This feature flag indicates the firmware build supports secure boot.
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|FALSE|BOOLEAN|0x6d
+
   ## Informs modules (including pre-DXE-phase modules) whether the platform
   #  firmware contains a CSM (Compatibility Support Module).
   #
diff --git a/OvmfPkg/CloudHv/CloudHvX64.dsc b/OvmfPkg/CloudHv/CloudHvX64.dsc
index b9820cc14bee..5475d04271af 100644
--- a/OvmfPkg/CloudHv/CloudHvX64.dsc
+++ b/OvmfPkg/CloudHv/CloudHvX64.dsc
@@ -93,15 +93,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D DISABLE_NEW_DEPRECATED_INTERFACES
   GCC:*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 !include NetworkPkg/NetworkBuildOptions.dsc.inc
 
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
@@ -481,6 +472,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdEnableVariableRuntimeCache|FALSE
 !endif
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/IntelTdx/IntelTdxX64.dsc b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
index e6d85286e002..b6df7195166c 100644
--- a/OvmfPkg/IntelTdx/IntelTdxX64.dsc
+++ b/OvmfPkg/IntelTdx/IntelTdxX64.dsc
@@ -90,15 +90,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D TDX_PEI_LESS_BOOT
   GCC:*_*_*_CC_FLAGS = -D TDX_PEI_LESS_BOOT
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
   GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
   XCODE:*_*_*_DLINK_FLAGS = -seg1addr 0x1000 -segalign 0x1000
@@ -391,6 +382,7 @@ [PcdsFeatureFlag]
   gUefiOvmfPkgTokenSpaceGuid.PcdCsmEnable|TRUE
 !endif
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/Microvm/MicrovmX64.dsc b/OvmfPkg/Microvm/MicrovmX64.dsc
index 384b0b7afc74..3cba88006228 100644
--- a/OvmfPkg/Microvm/MicrovmX64.dsc
+++ b/OvmfPkg/Microvm/MicrovmX64.dsc
@@ -91,15 +91,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D DISABLE_NEW_DEPRECATED_INTERFACES
   GCC:*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 !include NetworkPkg/NetworkBuildOptions.dsc.inc
 
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
@@ -477,6 +468,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdConOutUgaSupport|FALSE
   gEfiMdeModulePkgTokenSpaceGuid.PcdInstallAcpiSdtProtocol|TRUE
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 9e4705f29b46..88d2c0d56bc3 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -94,15 +94,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D DISABLE_NEW_DEPRECATED_INTERFACES
   GCC:*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 !include NetworkPkg/NetworkBuildOptions.dsc.inc
 
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
@@ -488,6 +479,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdEnableVariableRuntimeCache|FALSE
 !endif
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index 86940e9af54c..00938f5f157f 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -98,15 +98,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D DISABLE_NEW_DEPRECATED_INTERFACES
   GCC:*_*_*_CC_FLAGS = -D DISABLE_NEW_DEPRECATED_INTERFACES
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 !include NetworkPkg/NetworkBuildOptions.dsc.inc
 
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
@@ -494,6 +485,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdEnableVariableRuntimeCache|FALSE
 !endif
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index 00f7005fca40..d2a763fa5a7a 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -112,15 +112,6 @@ [BuildOptions]
   INTEL:*_*_*_CC_FLAGS = /D TDX_GUEST_SUPPORTED
   GCC:*_*_*_CC_FLAGS = -D TDX_GUEST_SUPPORTED
 
-  #
-  # SECURE_BOOT_FEATURE_ENABLED
-  #
-!if $(SECURE_BOOT_ENABLE) == TRUE
-  MSFT:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  INTEL:*_*_*_CC_FLAGS = /D SECURE_BOOT_FEATURE_ENABLED
-  GCC:*_*_*_CC_FLAGS = -D SECURE_BOOT_FEATURE_ENABLED
-!endif
-
 !include NetworkPkg/NetworkBuildOptions.dsc.inc
 
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
@@ -515,6 +506,7 @@ [PcdsFeatureFlag]
   gEfiMdeModulePkgTokenSpaceGuid.PcdEnableVariableRuntimeCache|FALSE
 !endif
 !if $(SECURE_BOOT_ENABLE) == TRUE
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported|TRUE
   gEfiMdeModulePkgTokenSpaceGuid.PcdRequireSelfSignedPk|TRUE
 !endif
 
diff --git a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
index 8cda78d0d0b4..f152c5504661 100644
--- a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
+++ b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.inf
@@ -47,6 +47,8 @@ [LibraryClasses]
 [Protocols]
   gEfiSimpleFileSystemProtocolGuid              ## CONSUMES
 
+[Pcd]
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported
 
 [Guids]
   gEfiFileInfoGuid
diff --git a/OvmfPkg/PlatformPei/PlatformPei.inf b/OvmfPkg/PlatformPei/PlatformPei.inf
index 1fadadeb5565..3934aeed9514 100644
--- a/OvmfPkg/PlatformPei/PlatformPei.inf
+++ b/OvmfPkg/PlatformPei/PlatformPei.inf
@@ -94,6 +94,7 @@ [Pcd]
   gUefiOvmfPkgTokenSpaceGuid.PcdQ35SmramAtDefaultSmbase
   gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtr
   gUefiOvmfPkgTokenSpaceGuid.PcdXenPvhStartOfDayStructPtrSize
+  gUefiOvmfPkgTokenSpaceGuid.PcdSecureBootSupported
   gEfiMdePkgTokenSpaceGuid.PcdGuidedExtractHandlerTableAddress
   gEfiMdePkgTokenSpaceGuid.PcdPciExpressBaseAddress
   gEfiMdeModulePkgTokenSpaceGuid.PcdFlashNvStorageFtwSpareSize
diff --git a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c
index 72289da35819..d4139b911528 100644
--- a/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c
+++ b/OvmfPkg/Library/NvVarsFileLib/NvVarsFileLib.c
@@ -28,14 +28,12 @@ ConnectNvVarsToFileSystem (
   IN EFI_HANDLE  FsHandle
   )
 {
- #ifdef SECURE_BOOT_FEATURE_ENABLED
-
-  return EFI_UNSUPPORTED;
-
- #else
-
   EFI_STATUS  Status;
 
+  if (FeaturePcdGet (PcdSecureBootSupported)) {
+    return EFI_UNSUPPORTED;
+  }
+
   //
   // We might fail to load the variable, since the file system initially
   // will not have the NvVars file.
@@ -52,7 +50,6 @@ ConnectNvVarsToFileSystem (
   }
 
   return Status;
- #endif
 }
 
 /**
diff --git a/OvmfPkg/PlatformPei/Platform.c b/OvmfPkg/PlatformPei/Platform.c
index 148240342b4b..6aa650ac9548 100644
--- a/OvmfPkg/PlatformPei/Platform.c
+++ b/OvmfPkg/PlatformPei/Platform.c
@@ -222,9 +222,10 @@ ReserveEmuVariableNvStore (
   VariableStore = (EFI_PHYSICAL_ADDRESS)(UINTN)PlatformReserveEmuVariableNvStore ();
   PcdStatus     = PcdSet64S (PcdEmuVariableNvStoreReserved, VariableStore);
 
- #ifdef SECURE_BOOT_FEATURE_ENABLED
-  PlatformInitEmuVariableNvStore ((VOID *)(UINTN)VariableStore);
- #endif
+  if (FeaturePcdGet (PcdSecureBootSupported)) {
+    // restore emulated VarStore from pristine ROM copy
+    PlatformInitEmuVariableNvStore ((VOID *)(UINTN)VariableStore);
+  }
 
   ASSERT_RETURN_ERROR (PcdStatus);
 }
-- 
2.39.2


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