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2013-05-10ArmPlatform/ArmPlatformLib: Introduced ArmPlatformPeiBootAction()oliviermartin
This function allows platform to do any specific actions prior to the start the PEI phase. For instance, this function could be used by some platforms to initialize clocks that are required at the early stage of the PEI phase. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> Acked-by: Ryan Harkin <ryan.harkin@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14347 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10ARM Packages: Replaced the macro GetCorePositionFromMpId() by the ↵oliviermartin
ArmPlatformGetCorePosition() Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> Acked-by: Ryan Harkin <ryan.harkin@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14346 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10ArmPlatformPkg/ArmPlatformLib: Added ArmPlatformGetPrimaryCoreMpId()oliviermartin
ArmPlatformGetPrimaryCoreMpId returns the MPID of the primary core. The primary core might not be known at build time (eg: the platform allows the boot CPU to be changed through board config). This function is used during the secondary core stack initialization to know the position of the secondary core in the SoC. A secondary core that is at the position N, with N greater than the primary core position, will be at the position N-1 in the list of secondary stacks (the primary core has its own separate bigger stack). Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> Acked-by: Ryan Harkin <ryan.harkin@linaro.org> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14345 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10ArmPlatformPkg/ArmPlatformLib: Added support for ArmPlatformIsPrimaryCore()oliviermartin
Checking if a core if the primary/boot core used to be done with the macro IS_PRIMARY_CORE(). Some platforms exposes configuration registers to change the primary core. Replacing the macro IS_PRIMARY_CORE() by ArmPlatformIsPrimaryCore() allows some flexibility in the way to check the primary core. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> Reviewed-by: Leif Lindholm <leif.lindholm@linaro.org> Acked-by: Ryan Harkin <ryan.harkin@linaro.org> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14344 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10ArmPlatformPkg/ArmPlatformLib.h: Removed non-required header fileoliviermartin
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14343 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10ArmPlatformPkg/Sec: Replaced non-required 'blx' by 'bl'oliviermartin
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14342 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10MdeMdeModulePkg/Xhci: Clear BIOS_OWN semaphore before halting XHCI controllererictian
Signed-off-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Steven Shi <steven.shi@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14339 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-10MdeMdeModulePkg/UsbBusDxe: Break device enumeration process if the device ↵erictian
descriptor includes 0 configuration. Signed-off-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Mike Wu <mike.wu@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14338 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-09ShellPkg: Update behavior for GetTime() errors.jcarsey
Please find the attached patch that fixes the ShellPkg when gRT->GetTime() returns an error (eg: early UEFI platform bringup with a RTC controller that is not supported). On some platforms, gRT->GetTime() might not return EFI_SUCCESS. The Shell must check the return status before to assume the returned time is valid. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <Olivier.Martin@arm.com> Reviewed-by: Jaben Carsey <Jaben.Carsey@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14337 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-09ShellPkg: Return an error when it happensjcarsey
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jaben Carsey <Jaben.Carsey@intel.com> Reviewed-by: Erik Bjorge <Erik.c.Bjorge@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14336 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-09Check if video device exists before trying to install Video OpROM.li-elvin
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14335 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-09Skip PXE prompt/menu/discover if PXE_DISCOVERY_CONTROL tag bit 3 set.sfu5
Signed-off-by: Laszlo Ersek <lersek@redhat.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14332 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-08Updated connecting HOST version information from 1.3 to 1.3.1.vanjeff
Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14328 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-07ShellPkg: Fixed build error 'variable set but not used'jcarsey
GCC toolchain cannot build ShellPkg. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Harry Liebel <Harry.Liebel@arm.com> Signed-off-by: Olivier Martin <Olivier.Martin@arm.com> Reviewed-by: Jaben Carsey <Jaben.Carsey@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14326 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-071. Fix TOCTOU issue in VariableSmm, FtwSmm, FpdtSmm, SmmCorePerformance SMM ↵lzeng14
handler. For VariableSmm, pre-allocate a mVariableBufferPayload buffer with mVariableBufferPayloadSize(match with mVariableBufferPayloadSize in VariableSmmRuntimeDxe) to hold communicate buffer payload to avoid TOCTOU issue. 2. Add check to ensure CommBufferPayloadSize not exceed mVariableBufferPayloadSize or is enough to hold function structure in VariableSmm and FtwSmm. 3. Align FtwGetLastWrite() in FaultTolerantWriteSmmDxe.c to FtwGetLastWrite() in FaultTolerantWrite.c. Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14325 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-06Read/Write memory space including MMIO range with the width requested from HOST.vanjeff
Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Kinney, Michael D <michael.d.kinney@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14324 6f19259b-4bc3-4df7-8a09-765794883524
2013-05-02Fix memory overflow & VariableSize check issue for SetVariable append write.czhang46
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by : Fu Siyuan <siyuan.fu@intel.com> Reviewed-by : Dong Guo <guo.dong@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14323 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-27Fix the bug which incorrectly programs the 64bit base address register in ↵niruiyu
the PCI to PCI bridge. Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Elvin Li <elvin.li@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14318 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-251. Use the check IsAddressValid() to prevent SMM communication buffer ↵lzeng14
overflow in SmmVariable, FtwSmm, FpdtSmm, SmmCorePerformance and SmmBaseHelper, and add check to prevent InfoSize overflows in SmmVariableHandler. 2. Refine the debug message. 3. Add check to make sure the input VariableName is A Null-terminated string. 4. Use local variable to hold StrSize (VariableName) to avoid duplicated StrSize calculation. Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> Reviewed-by: Chao Zhang <chao.b.zhang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14317 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-25Check for NULL pointer before free it.sfu5
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Dong Guo <guo.dong@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14316 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-25Update dual network stack drivers to produce multiple Driver Binding Protocol.sfu5
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14315 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-25Fix ping command issue in IP4 driver.sfu5
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14314 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-25Get ParentDevicePath by using attribute EFI_OPEN_PROTOCOL_GET_PROTOCOL ↵sfu5
instead of BY_CHILD. Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14313 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-24Mallicious code may use SmmFaultTolerantWriteHandler() to update some flash ↵lzeng14
area directly, like Variable region, so return EFI_ACCESS_DENIED after End Of Dxe in SmmFaultTolerantWriteHandler(). And add code to prevent InfoSize overflow. Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14312 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-23Remove the blank line between InitializeLangVariable() and it's function header.lzeng14
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14311 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-23Remove unused [Guids] section from PXE inf file.sfu5
Signed-off-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Ouyang Qian <qian.ouyang@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14310 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-23The openssl API RSA_public_decrypt() and RSA_private_encrypt() are ↵sfu5
deprecated, use RSA_sign(), RSA_verify() instead. Signed-off-by: Long Qin < qin.long@intel.com > Reviewed-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Dong Guo <guo.dong@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14309 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-23Fix GCC build failure caused by R14307.lzeng14
Signed-off-by: Signed-off-by: Isakov S.L. <isakov-sl@bk.ru> Reviewed-by: Star Zeng <star.zeng@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14308 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-22Enhance InitializeLanguage() to set PcdUefiVariableDefaultPlatformLang to ↵lzeng14
PlatformLang variable if the value of PlatformLang variable has been set an unsupported value(not one of PlatformLangCodes variable), and assert when default (Platform)Lang PCD value is not set to one of (Platform)LangCodes PCD value. Signed-off-by: Star Zeng <star.zeng@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14307 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-22Add security check.vanjeff
Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14306 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-22Fix potential overflow for SetVariable interfaceczhang46
Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by : Guo Dong <dong.guo@intel.com> Reviewed-by : Siyuan Fu <siyuan.fu@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14305 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-20Check-in missing part at r14302.vanjeff
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14303 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-201. Add CPU arch type in Mailbox, debug agent will not access HOB if CPU arch ↵vanjeff
changed. 2. Updated DxeDebugAgentLib instance to copy DebugPortHandler buffer into allocated ACPIMemoryNVS besides the mailbox. 3. Remove deprecated SendingPacket from mailbox. Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14302 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-19Add transit bit check for detecting partial response in iSCSI stack.tye1
Signed-off-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Tian Feng <feng.tian@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14296 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-19Add transit bit check for detecting partial response in iSCSI stack.tye1
Signed-off-by: Ye Ting <ting.ye@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Tian Feng <feng.tian@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14294 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-19Fix a potential SMM memory dump issue. If pass communication buffer with ↵czhang46
DataBuffer to SMM SetVariable which is big enough to cover SMM range. Then GetVariable can dump SMM memory contents. Add more range check for SetVariable Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by : Dong Guo <guo.dong@intel.com> Reviewed-by : Jiewen Yao <jiewen.yao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14292 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-18ShellPkg: explicitly prevent dereferencing pointerjcarsey
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Jaben Carsey <Jaben.carsey@intel.com> reviewed-by: Erik Bjorge <Erik.c.Bjorge@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14291 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-18Enhance DebugCommunicationLibUsb to reset the debug port when the ↵niruiyu
PORT_ENABLE bit is not set. Signed-off-by: Ruiyu Ni <ruiyu.ni@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14289 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-18Allocate ACPImemoryNVS type memory to save mailbox and debug port handle ↵vanjeff
buffer since original allocated pool memory may be marked as free by DXE Core. Signed-off-by: Jeff Fan <jeff.fan@intel.com> Reviewed-by: Ruiyu Ni <ruiyu.ni@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14285 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-18MdeModulePkg/AtaBus: AtaBusDxe module would ignore ATA Pass Thru Protocol ↵erictian
instances that do not have the LOGICAL attribute set Signed-off-by: Michael Kinney <michael.d.kinney@intel.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14284 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-18Update code not to block application/driver load when event log is full.gdong1
Signed-off-by: Dong Guo <guo.dong@intel.com> Reviewed-by: Fu Siyuan <siyuan.fu@intel.com> Reviewed-by: Yao Jiewen <jiewen.yao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14283 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-17Revert change 14281, should not check in here.ydong10
Signed-off-by: Eric Dong git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14282 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-17Split browser with browser core and display engine.ydong10
First Version, goal: 1.Display Engine has the framework. 2.Browser core ready.(PasswordCheck, ValidateQuestionV not ready) Signed-off-by: Eric Dong git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14281 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-16Update the browser logic, make the storage as browser level instead of form ↵ydong10
set level. Signed-off-by: Eric Dong <eric.dong@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14280 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-16MdeMdeModulePkg/BootScriptExecutorDxe: Replaces absolute addressing that ↵erictian
requires a relocation entry with PC relative addressing that does not require a relocation entry. This patch is required to make this file assemble and link with Xcode Signed-off-by: Andrew Fish <afish@apple.com> Reviewed-by: Feng Tian <feng.tian@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14279 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-15Fix SMM Variable driver stack GetVariable return INVALID_PARAMETER when ↵czhang46
DataSize is bigger than SMM communication buffer. Signed-off-by: Chao Zhang <chao.b.zhang@intel.com> Reviewed-by : Dong Guo <guo.dong@intel.com> Reviewed-by : Fu Siyuan <siyuan.fu@intel.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14276 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-14ArmPkg/BdsLib: Added support for FDT alignment through PcdArmLinuxFdtAlignmentoliviermartin
Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14274 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-14ArmPkg: Delete PCD value PcdArmLinuxKernelFixedOffset.oliviermartin
PcdArmLinuxKernelFixedOffset is supposed to indicate the offset from the beginning of the system memory at which the kernel will be loaded. However, this PCD value is not used at all. Instead the kernel is loaded just below a certain limit indicated by PCD value PcdArmLinuxKernelMaxOffset. This patch deletes PCD value PcdArmLinuxKernelFixedOffset to avoid any confusion. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14273 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-14ArmPkg/BdsLib: Fix uInitrd detectionoliviermartin
This patch corrects a problem detecting uInitrd signature when booting with FDT. BdsBootLinuxFdt was attempting to read the signature from InitrdImage which is zero at this point in the code. The code now reads the signature from InitrdImageBase. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Ryan Harkin <ryan.harkin@linaro.org> Reviewed-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14272 6f19259b-4bc3-4df7-8a09-765794883524
2013-04-14ArmPkg/BdsLib: Do not create additional 'cpu' nodes if the 'cpus' node ↵oliviermartin
already exist UEFI must not add additional 'cpu' nodes if the 'cpus' node was already present. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Olivier Martin <olivier.martin@arm.com> git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@14271 6f19259b-4bc3-4df7-8a09-765794883524