ArmVirtPkg: enable non-executable DXE stack for all platforms

[mirror_edk2.git] / ArmVirtPkg / ArmVirt.dsc.inc

diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index 2b0a44e14d24dd120b435c02728f6067094bc0d5..e2d3dcce7945f560d9e0eb0ece0546b077c8b651 100644 (file)
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -18,7 +18,7 @@
   DEFINE TTY_TERMINAL            = FALSE\r
 \r
 [BuildOptions.common.EDKII.DXE_DRIVER,BuildOptions.common.EDKII.UEFI_DRIVER,BuildOptions.common.EDKII.UEFI_APPLICATION]\r
-  GCC:*_*_AARCH64_DLINK_FLAGS = -z common-page-size=0x1000\r
+  GCC:*_*_*_DLINK_FLAGS = -z common-page-size=0x1000\r
 \r
 [BuildOptions.common.EDKII.DXE_RUNTIME_DRIVER]\r
   GCC:*_*_ARM_DLINK_FLAGS = -z common-page-size=0x1000\r
@@ -373,16 +373,27 @@
   gArmVirtTokenSpaceGuid.PcdTerminalTypeGuidBuffer|{0x80, 0x6d, 0x91, 0x7d, 0xb1, 0x5b, 0x8c, 0x45, 0xa4, 0x8f, 0xe2, 0x5f, 0xdd, 0x51, 0xef, 0x94}\r
 !endif\r
 \r
-[PcdsFixedAtBuild.ARM]\r
-  gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|40\r
-\r
-[PcdsFixedAtBuild.AARCH64]\r
   #\r
   # Enable strict image permissions for all images. (This applies\r
   # only to images that were built with >= 4 KB section alignment.)\r
   #\r
   gEfiMdeModulePkgTokenSpaceGuid.PcdImageProtectionPolicy|0x3\r
 \r
+  #\r
+  # Enable NX memory protection for all non-code regions, including OEM and OS\r
+  # reserved ones, with the exception of LoaderData regions, of which OS loaders\r
+  # (i.e., GRUB) may assume that its contents are executable.\r
+  #\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdDxeNxMemoryProtectionPolicy|0xC000000000007FD1\r
+\r
+  #\r
+  # Enable the non-executable DXE stack. (This gets set up by DxeIpl)\r
+  #\r
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack|TRUE\r
+\r
+[PcdsFixedAtBuild.ARM]\r
+  gEmbeddedTokenSpaceGuid.PcdPrePiCpuMemorySize|40\r
+\r
 [Components.common]\r
   #\r
   # Networking stack\r