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OvmfPkg: PlatformPei: take no-exec DXE settings from the QEMU command line

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Control them with:

  -fw_cfg name=opt/ovmf/PcdPropertiesTableEnable,file=no.txt \
  -fw_cfg name=opt/ovmf/PcdSetNxForStack,file=yes.txt

where the contents of the text files can be

  [0nN1yY](\n|\r\n)?

The macro trickery is not optimal, but it is caused by PcdSetBool(), which
is itself a macro, and can only take open-coded PCD names (ie. no
variables, like function parameters).

Cc: Jordan Justen <jordan.l.justen@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18471 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Laszlo Ersek
2015-09-15 08:35:14 +00:00
committed by lersek
parent c075d250f6
commit ab081a50e5
2 changed files with 65 additions and 2 deletions
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2
OvmfPkg/PlatformPei/PlatformPei.inf
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@@ -83,6 +83,8 @@
gEfiMdeModulePkgTokenSpaceGuid.PcdPciDisableBusEnumeration
gEfiMdeModulePkgTokenSpaceGuid.PcdDxeIplSwitchToLongMode
gEfiMdeModulePkgTokenSpaceGuid.PcdUse1GPageTable
gEfiMdeModulePkgTokenSpaceGuid.PcdSetNxForStack
gEfiMdeModulePkgTokenSpaceGuid.PcdPropertiesTableEnable
gUefiCpuPkgTokenSpaceGuid.PcdCpuLocalApicBaseAddress
[Ppis]