diff options
| author | Jiewen Yao <jiewen.yao@intel.com> | 2016-11-17 21:37:40 +0800 |
|---|---|---|
| committer | Jiewen Yao <jiewen.yao@intel.com> | 2016-11-18 10:57:21 +0800 |
| commit | 2f790bcb0a70057e38ae6f4beab72cbf16c8b812 (patch) | |
| tree | 28fa222437f64787e526ae136ab229f0a9100e30 /OvmfPkg | |
| parent | 750ec4cabd074e0d8d4958efc0788c20e229d352 (diff) | |
| download | edk2-platforms-2f790bcb0a70057e38ae6f4beab72cbf16c8b812.tar.xz | |
OvmfPkg: Add 4K PE alignment to enable SMM page level protection.
Tested boot with below configuration:
IA32
IA32X64
X64
Tested boot with XD enabled/disabled.
Requested-by: Laszlo Ersek <lersek@redhat.com>
Cc: Jordan Justen <jordan.l.justen@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Jiewen Yao <jiewen.yao@intel.com>
Tested-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
Diffstat (limited to 'OvmfPkg')
| -rw-r--r-- | OvmfPkg/OvmfPkgIa32.dsc | 5 | ||||
| -rw-r--r-- | OvmfPkg/OvmfPkgIa32X64.dsc | 5 | ||||
| -rw-r--r-- | OvmfPkg/OvmfPkgX64.dsc | 5 |
3 files changed, 15 insertions, 0 deletions
diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 3f4d42d856..ed43c45144 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -56,6 +56,11 @@ [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+# Force PE/COFF sections to be aligned at 4KB boundaries to support page level
+# protection of DXE_SMM_DRIVER/SMM_CORE modules
+[BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+
################################################################################
#
# SKU Identification section - list of all SKU IDs supported by this Platform.
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 568847531a..ccd156d923 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -61,6 +61,11 @@ [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+# Force PE/COFF sections to be aligned at 4KB boundaries to support page level
+# protection of DXE_SMM_DRIVER/SMM_CORE modules
+[BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+
################################################################################
#
# SKU Identification section - list of all SKU IDs supported by this Platform.
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index dcf64b9d6a..012ce85462 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -61,6 +61,11 @@ [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]
GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+# Force PE/COFF sections to be aligned at 4KB boundaries to support page level
+# protection of DXE_SMM_DRIVER/SMM_CORE modules
+[BuildOptions.common.EDKII.DXE_SMM_DRIVER, BuildOptions.common.EDKII.SMM_CORE]
+ GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000
+
################################################################################
#
# SKU Identification section - list of all SKU IDs supported by this Platform.
|