From ddd89cd50dd3a989e58a75ed38011168e3ec0954 Mon Sep 17 00:00:00 2001 From: Ard Biesheuvel Date: Wed, 30 Sep 2015 08:53:00 +0000 Subject: [PATCH] OvmfPkg: set 4 KB section alignment for DXE_RUNTIME_DRIVER modules Increase the section alignment to 4 KB for DXE_RUNTIME_DRIVER modules. This allows the OS to map them with tightened permissions (i.e., R-X for .text and RW- for .data). This is a prerequisite for enabling the EFI_PROPERTIES_RUNTIME_MEMORY_PROTECTION_NON_EXECUTABLE_PE_DATA (sic) feature that was introduced in UEFIv2.5. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ard Biesheuvel Reviewed-by: Laszlo Ersek Reviewed-by: Jordan Justen Tested-by: Laszlo Ersek git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18564 6f19259b-4bc3-4df7-8a09-765794883524 --- OvmfPkg/OvmfPkgIa32.dsc | 3 +++ OvmfPkg/OvmfPkgIa32X64.dsc | 3 +++ OvmfPkg/OvmfPkgX64.dsc | 3 +++ 3 files changed, 9 insertions(+) diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 5d651e30cd..77fd21cd59 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -44,6 +44,9 @@ MSFT:RELEASE_*_*_CC_FLAGS = /D MDEPKG_NDEBUG GCC:*_*_*_CC_FLAGS = -mno-mmx -mno-sse +[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER] + 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 8c053b887a..47cc311165 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -48,6 +48,9 @@ GCC:*_*_X64_GENFW_FLAGS = --keepexceptiontable INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif + +[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER] + GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000 ################################################################################ # diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 024ee81fdc..44b9c792e1 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -49,6 +49,9 @@ INTEL:*_*_X64_GENFW_FLAGS = --keepexceptiontable !endif +[BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER] + GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000 + ################################################################################ # # SKU Identification section - list of all SKU IDs supported by this Platform. -- 2.39.2