Message ID | 20180915132859.25727-1-ard.biesheuvel@linaro.org |
---|---|
Headers | show |
Series | MdeModulePkg: add support for dispatching foreign arch PE/COFF images | expand |
HI Ard This is a great feature. May I know what test has been done for this patch series? Would you please share that information? No matter your unit test, or system level test. Thank you Yao Jiewen > -----Original Message----- > From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of > Ard Biesheuvel > Sent: Saturday, September 15, 2018 9:29 PM > To: edk2-devel@lists.01.org > Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent > <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; Andrew > Fish <afish@apple.com>; Carsey, Jaben <jaben.carsey@intel.com>; > Richardson, Brian <brian.richardson@intel.com>; Gao, Liming > <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; > Zeng, Star <star.zeng@intel.com> > Subject: [edk2] [PATCH v2 0/7] MdeModulePkg: add support for dispatching > foreign arch PE/COFF images > > Add the basic plumbing to DXE core, the PCI bus driver and the boot manager > to allow PE/COFF images to be dispatched that target an architecture that is > not native for the platform, but which is supported by one of potentially > several available emulators. > > One implementation of such an emulator can be found here: > https://github.com/ardbiesheuvel/X86EmulatorPkg > > This also allows us to get rid of the special treatment of EBC images in > core code. Instead, the EbcDxe driver is augmented with an implementation > of the EDK2 PE/COFF image emulator so that internal knowledge of how EBC > is implemented (I-cache flushing, thunks) is removed from the DXE core. > > Changes since v2: > - subsume the EBC handling into the EDK2 emulator protocol and abstract > away from EBC specifics in core code. > - allow multiple emulator implementations to co-exist > - incorporate Star's review feedback > > Cc: Vincent Zimmer <vincent.zimmer@intel.com> > Cc: Brian Richardson <brian.richardson@intel.com> > Cc: Michael D Kinney <michael.d.kinney@intel.com> > Cc: Andrew Fish <afish@apple.com> > Cc: Leif Lindholm <leif.lindholm@linaro.org> > Cc: Star Zeng <star.zeng@intel.com> > Cc: Eric Dong <eric.dong@intel.com> > Cc: Ruiyu Ni <ruiyu.ni@intel.com> > Cc: Liming Gao <liming.gao@intel.com> > Cc: Jaben Carsey <jaben.carsey@intel.com> > Cc: Steven Shi <steven.shi@intel.com> > > Ard Biesheuvel (7): > MdeModulePkg: introduce PE/COFF image emulator protocol > MdeModulePkg/DxeCore: invoke the emulator protocol for foreign > images > MdeModulePkg/PciBusDxe: invoke PE/COFF emulator for foreign option > ROMs > MdeModulePkg/UefiBootManagerLib: allow foreign Driver#### images > MdeModulePkg/EbcDxe: implement the PE/COFF emulator protocol > MdePkg/UefiBaseType.h: treat EBC as a non-native machine type > MdeModulePkg/DxeCore: remove explicit EBC handling > > MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h | 1 + > MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf | 1 + > .../Bus/Pci/PciBusDxe/PciOptionRomSupport.c | 51 ++++++- > MdeModulePkg/Core/Dxe/DxeMain.h | 6 +- > MdeModulePkg/Core/Dxe/DxeMain.inf | 2 +- > MdeModulePkg/Core/Dxe/Image/Image.c | 141 > +++++++++++------- > .../Include/Protocol/PeCoffImageEmulator.h | 99 ++++++++++++ > .../Library/UefiBootManagerLib/BmLoadOption.c | 51 ++++++- > .../Library/UefiBootManagerLib/InternalBm.h | 1 + > .../UefiBootManagerLib/UefiBootManagerLib.inf | 1 + > MdeModulePkg/MdeModulePkg.dec | 4 + > MdeModulePkg/Universal/EbcDxe/EbcDxe.inf | 3 + > MdeModulePkg/Universal/EbcDxe/EbcInt.c | 124 > +++++++++++++++ > MdeModulePkg/Universal/EbcDxe/EbcInt.h | 3 + > MdePkg/Include/Uefi/UefiBaseType.h | 8 +- > 15 files changed, 432 insertions(+), 64 deletions(-) > create mode 100644 > MdeModulePkg/Include/Protocol/PeCoffImageEmulator.h > > -- > 2.17.1 > > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
On 18 September 2018 at 00:32, Yao, Jiewen <jiewen.yao@intel.com> wrote: > HI Ard > This is a great feature. > Thanks! > May I know what test has been done for this patch series? > > Would you please share that information? No matter your unit test, or system level test. > I have used ArmVirtPkg/ArmVirtQemu.dsc built for AARCH64 in two configurations: - one replacing the native FAT driver built from source with the EBC binary version - another one replacing the FAT driver and including the X86 emulator [0] The tests involved accessing a FAT partition (both builds) and running the X86 version of iPXE (the latter build only) [0] https://github.com/ardbiesheuvel/X86EmulatorPkg >> -----Original Message----- >> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of >> Ard Biesheuvel >> Sent: Saturday, September 15, 2018 9:29 PM >> To: edk2-devel@lists.01.org >> Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent >> <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; Andrew >> Fish <afish@apple.com>; Carsey, Jaben <jaben.carsey@intel.com>; >> Richardson, Brian <brian.richardson@intel.com>; Gao, Liming >> <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; >> Zeng, Star <star.zeng@intel.com> >> Subject: [edk2] [PATCH v2 0/7] MdeModulePkg: add support for dispatching >> foreign arch PE/COFF images >> >> Add the basic plumbing to DXE core, the PCI bus driver and the boot manager >> to allow PE/COFF images to be dispatched that target an architecture that is >> not native for the platform, but which is supported by one of potentially >> several available emulators. >> >> One implementation of such an emulator can be found here: >> https://github.com/ardbiesheuvel/X86EmulatorPkg >> >> This also allows us to get rid of the special treatment of EBC images in >> core code. Instead, the EbcDxe driver is augmented with an implementation >> of the EDK2 PE/COFF image emulator so that internal knowledge of how EBC >> is implemented (I-cache flushing, thunks) is removed from the DXE core. >> >> Changes since v2: >> - subsume the EBC handling into the EDK2 emulator protocol and abstract >> away from EBC specifics in core code. >> - allow multiple emulator implementations to co-exist >> - incorporate Star's review feedback >> >> Cc: Vincent Zimmer <vincent.zimmer@intel.com> >> Cc: Brian Richardson <brian.richardson@intel.com> >> Cc: Michael D Kinney <michael.d.kinney@intel.com> >> Cc: Andrew Fish <afish@apple.com> >> Cc: Leif Lindholm <leif.lindholm@linaro.org> >> Cc: Star Zeng <star.zeng@intel.com> >> Cc: Eric Dong <eric.dong@intel.com> >> Cc: Ruiyu Ni <ruiyu.ni@intel.com> >> Cc: Liming Gao <liming.gao@intel.com> >> Cc: Jaben Carsey <jaben.carsey@intel.com> >> Cc: Steven Shi <steven.shi@intel.com> >> >> Ard Biesheuvel (7): >> MdeModulePkg: introduce PE/COFF image emulator protocol >> MdeModulePkg/DxeCore: invoke the emulator protocol for foreign >> images >> MdeModulePkg/PciBusDxe: invoke PE/COFF emulator for foreign option >> ROMs >> MdeModulePkg/UefiBootManagerLib: allow foreign Driver#### images >> MdeModulePkg/EbcDxe: implement the PE/COFF emulator protocol >> MdePkg/UefiBaseType.h: treat EBC as a non-native machine type >> MdeModulePkg/DxeCore: remove explicit EBC handling >> >> MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h | 1 + >> MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf | 1 + >> .../Bus/Pci/PciBusDxe/PciOptionRomSupport.c | 51 ++++++- >> MdeModulePkg/Core/Dxe/DxeMain.h | 6 +- >> MdeModulePkg/Core/Dxe/DxeMain.inf | 2 +- >> MdeModulePkg/Core/Dxe/Image/Image.c | 141 >> +++++++++++------- >> .../Include/Protocol/PeCoffImageEmulator.h | 99 ++++++++++++ >> .../Library/UefiBootManagerLib/BmLoadOption.c | 51 ++++++- >> .../Library/UefiBootManagerLib/InternalBm.h | 1 + >> .../UefiBootManagerLib/UefiBootManagerLib.inf | 1 + >> MdeModulePkg/MdeModulePkg.dec | 4 + >> MdeModulePkg/Universal/EbcDxe/EbcDxe.inf | 3 + >> MdeModulePkg/Universal/EbcDxe/EbcInt.c | 124 >> +++++++++++++++ >> MdeModulePkg/Universal/EbcDxe/EbcInt.h | 3 + >> MdePkg/Include/Uefi/UefiBaseType.h | 8 +- >> 15 files changed, 432 insertions(+), 64 deletions(-) >> create mode 100644 >> MdeModulePkg/Include/Protocol/PeCoffImageEmulator.h >> >> -- >> 2.17.1 >> >> _______________________________________________ >> edk2-devel mailing list >> edk2-devel@lists.01.org >> https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
Thank you Ard. Good to know. Did you also try some security test, such as input a bad image to see if the code can return failure gracefully? Or enable secure boot to see if the image verification process still works well ? thank you! Yao, Jiewen > 在 2018年9月18日,下午9:53,Ard Biesheuvel <ard.biesheuvel@linaro.org> 写道: > >> On 18 September 2018 at 00:32, Yao, Jiewen <jiewen.yao@intel.com> wrote: >> HI Ard >> This is a great feature. >> > > Thanks! > >> May I know what test has been done for this patch series? >> >> Would you please share that information? No matter your unit test, or system level test. >> > > I have used ArmVirtPkg/ArmVirtQemu.dsc built for AARCH64 in two configurations: > - one replacing the native FAT driver built from source with the EBC > binary version > - another one replacing the FAT driver and including the X86 emulator [0] > > The tests involved accessing a FAT partition (both builds) and running > the X86 version of iPXE (the latter build only) > > > > [0] https://github.com/ardbiesheuvel/X86EmulatorPkg > > >>> -----Original Message----- >>> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of >>> Ard Biesheuvel >>> Sent: Saturday, September 15, 2018 9:29 PM >>> To: edk2-devel@lists.01.org >>> Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent >>> <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; Andrew >>> Fish <afish@apple.com>; Carsey, Jaben <jaben.carsey@intel.com>; >>> Richardson, Brian <brian.richardson@intel.com>; Gao, Liming >>> <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; >>> Zeng, Star <star.zeng@intel.com> >>> Subject: [edk2] [PATCH v2 0/7] MdeModulePkg: add support for dispatching >>> foreign arch PE/COFF images >>> >>> Add the basic plumbing to DXE core, the PCI bus driver and the boot manager >>> to allow PE/COFF images to be dispatched that target an architecture that is >>> not native for the platform, but which is supported by one of potentially >>> several available emulators. >>> >>> One implementation of such an emulator can be found here: >>> https://github.com/ardbiesheuvel/X86EmulatorPkg >>> >>> This also allows us to get rid of the special treatment of EBC images in >>> core code. Instead, the EbcDxe driver is augmented with an implementation >>> of the EDK2 PE/COFF image emulator so that internal knowledge of how EBC >>> is implemented (I-cache flushing, thunks) is removed from the DXE core. >>> >>> Changes since v2: >>> - subsume the EBC handling into the EDK2 emulator protocol and abstract >>> away from EBC specifics in core code. >>> - allow multiple emulator implementations to co-exist >>> - incorporate Star's review feedback >>> >>> Cc: Vincent Zimmer <vincent.zimmer@intel.com> >>> Cc: Brian Richardson <brian.richardson@intel.com> >>> Cc: Michael D Kinney <michael.d.kinney@intel.com> >>> Cc: Andrew Fish <afish@apple.com> >>> Cc: Leif Lindholm <leif.lindholm@linaro.org> >>> Cc: Star Zeng <star.zeng@intel.com> >>> Cc: Eric Dong <eric.dong@intel.com> >>> Cc: Ruiyu Ni <ruiyu.ni@intel.com> >>> Cc: Liming Gao <liming.gao@intel.com> >>> Cc: Jaben Carsey <jaben.carsey@intel.com> >>> Cc: Steven Shi <steven.shi@intel.com> >>> >>> Ard Biesheuvel (7): >>> MdeModulePkg: introduce PE/COFF image emulator protocol >>> MdeModulePkg/DxeCore: invoke the emulator protocol for foreign >>> images >>> MdeModulePkg/PciBusDxe: invoke PE/COFF emulator for foreign option >>> ROMs >>> MdeModulePkg/UefiBootManagerLib: allow foreign Driver#### images >>> MdeModulePkg/EbcDxe: implement the PE/COFF emulator protocol >>> MdePkg/UefiBaseType.h: treat EBC as a non-native machine type >>> MdeModulePkg/DxeCore: remove explicit EBC handling >>> >>> MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h | 1 + >>> MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf | 1 + >>> .../Bus/Pci/PciBusDxe/PciOptionRomSupport.c | 51 ++++++- >>> MdeModulePkg/Core/Dxe/DxeMain.h | 6 +- >>> MdeModulePkg/Core/Dxe/DxeMain.inf | 2 +- >>> MdeModulePkg/Core/Dxe/Image/Image.c | 141 >>> +++++++++++------- >>> .../Include/Protocol/PeCoffImageEmulator.h | 99 ++++++++++++ >>> .../Library/UefiBootManagerLib/BmLoadOption.c | 51 ++++++- >>> .../Library/UefiBootManagerLib/InternalBm.h | 1 + >>> .../UefiBootManagerLib/UefiBootManagerLib.inf | 1 + >>> MdeModulePkg/MdeModulePkg.dec | 4 + >>> MdeModulePkg/Universal/EbcDxe/EbcDxe.inf | 3 + >>> MdeModulePkg/Universal/EbcDxe/EbcInt.c | 124 >>> +++++++++++++++ >>> MdeModulePkg/Universal/EbcDxe/EbcInt.h | 3 + >>> MdePkg/Include/Uefi/UefiBaseType.h | 8 +- >>> 15 files changed, 432 insertions(+), 64 deletions(-) >>> create mode 100644 >>> MdeModulePkg/Include/Protocol/PeCoffImageEmulator.h >>> >>> -- >>> 2.17.1 >>> >>> _______________________________________________ >>> edk2-devel mailing list >>> edk2-devel@lists.01.org >>> https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
One more, did you enable tpm to see if tpm measurement still works well ? Also did defer image solution still takes effect with this change? Sorry to ask many questions, I want to make sure the current security design still work with this new capability. thank you! Yao, Jiewen > 在 2018年9月19日,下午5:30,Yao, Jiewen <jiewen.yao@intel.com> 写道: > > Thank you Ard. Good to know. > > Did you also try some security test, such as input a bad image to see if the code can return failure gracefully? > > Or enable secure boot to see if the image verification process still works well ? > > thank you! > Yao, Jiewen > > >>> 在 2018年9月18日,下午9:53,Ard Biesheuvel <ard.biesheuvel@linaro.org> 写道: >>> >>> On 18 September 2018 at 00:32, Yao, Jiewen <jiewen.yao@intel.com> wrote: >>> HI Ard >>> This is a great feature. >>> >> >> Thanks! >> >>> May I know what test has been done for this patch series? >>> >>> Would you please share that information? No matter your unit test, or system level test. >>> >> >> I have used ArmVirtPkg/ArmVirtQemu.dsc built for AARCH64 in two configurations: >> - one replacing the native FAT driver built from source with the EBC >> binary version >> - another one replacing the FAT driver and including the X86 emulator [0] >> >> The tests involved accessing a FAT partition (both builds) and running >> the X86 version of iPXE (the latter build only) >> >> >> >> [0] https://github.com/ardbiesheuvel/X86EmulatorPkg >> >> >>>> -----Original Message----- >>>> From: edk2-devel [mailto:edk2-devel-bounces@lists.01.org] On Behalf Of >>>> Ard Biesheuvel >>>> Sent: Saturday, September 15, 2018 9:29 PM >>>> To: edk2-devel@lists.01.org >>>> Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent >>>> <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; Andrew >>>> Fish <afish@apple.com>; Carsey, Jaben <jaben.carsey@intel.com>; >>>> Richardson, Brian <brian.richardson@intel.com>; Gao, Liming >>>> <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; >>>> Zeng, Star <star.zeng@intel.com> >>>> Subject: [edk2] [PATCH v2 0/7] MdeModulePkg: add support for dispatching >>>> foreign arch PE/COFF images >>>> >>>> Add the basic plumbing to DXE core, the PCI bus driver and the boot manager >>>> to allow PE/COFF images to be dispatched that target an architecture that is >>>> not native for the platform, but which is supported by one of potentially >>>> several available emulators. >>>> >>>> One implementation of such an emulator can be found here: >>>> https://github.com/ardbiesheuvel/X86EmulatorPkg >>>> >>>> This also allows us to get rid of the special treatment of EBC images in >>>> core code. Instead, the EbcDxe driver is augmented with an implementation >>>> of the EDK2 PE/COFF image emulator so that internal knowledge of how EBC >>>> is implemented (I-cache flushing, thunks) is removed from the DXE core. >>>> >>>> Changes since v2: >>>> - subsume the EBC handling into the EDK2 emulator protocol and abstract >>>> away from EBC specifics in core code. >>>> - allow multiple emulator implementations to co-exist >>>> - incorporate Star's review feedback >>>> >>>> Cc: Vincent Zimmer <vincent.zimmer@intel.com> >>>> Cc: Brian Richardson <brian.richardson@intel.com> >>>> Cc: Michael D Kinney <michael.d.kinney@intel.com> >>>> Cc: Andrew Fish <afish@apple.com> >>>> Cc: Leif Lindholm <leif.lindholm@linaro.org> >>>> Cc: Star Zeng <star.zeng@intel.com> >>>> Cc: Eric Dong <eric.dong@intel.com> >>>> Cc: Ruiyu Ni <ruiyu.ni@intel.com> >>>> Cc: Liming Gao <liming.gao@intel.com> >>>> Cc: Jaben Carsey <jaben.carsey@intel.com> >>>> Cc: Steven Shi <steven.shi@intel.com> >>>> >>>> Ard Biesheuvel (7): >>>> MdeModulePkg: introduce PE/COFF image emulator protocol >>>> MdeModulePkg/DxeCore: invoke the emulator protocol for foreign >>>> images >>>> MdeModulePkg/PciBusDxe: invoke PE/COFF emulator for foreign option >>>> ROMs >>>> MdeModulePkg/UefiBootManagerLib: allow foreign Driver#### images >>>> MdeModulePkg/EbcDxe: implement the PE/COFF emulator protocol >>>> MdePkg/UefiBaseType.h: treat EBC as a non-native machine type >>>> MdeModulePkg/DxeCore: remove explicit EBC handling >>>> >>>> MdeModulePkg/Bus/Pci/PciBusDxe/PciBus.h | 1 + >>>> MdeModulePkg/Bus/Pci/PciBusDxe/PciBusDxe.inf | 1 + >>>> .../Bus/Pci/PciBusDxe/PciOptionRomSupport.c | 51 ++++++- >>>> MdeModulePkg/Core/Dxe/DxeMain.h | 6 +- >>>> MdeModulePkg/Core/Dxe/DxeMain.inf | 2 +- >>>> MdeModulePkg/Core/Dxe/Image/Image.c | 141 >>>> +++++++++++------- >>>> .../Include/Protocol/PeCoffImageEmulator.h | 99 ++++++++++++ >>>> .../Library/UefiBootManagerLib/BmLoadOption.c | 51 ++++++- >>>> .../Library/UefiBootManagerLib/InternalBm.h | 1 + >>>> .../UefiBootManagerLib/UefiBootManagerLib.inf | 1 + >>>> MdeModulePkg/MdeModulePkg.dec | 4 + >>>> MdeModulePkg/Universal/EbcDxe/EbcDxe.inf | 3 + >>>> MdeModulePkg/Universal/EbcDxe/EbcInt.c | 124 >>>> +++++++++++++++ >>>> MdeModulePkg/Universal/EbcDxe/EbcInt.h | 3 + >>>> MdePkg/Include/Uefi/UefiBaseType.h | 8 +- >>>> 15 files changed, 432 insertions(+), 64 deletions(-) >>>> create mode 100644 >>>> MdeModulePkg/Include/Protocol/PeCoffImageEmulator.h >>>> >>>> -- >>>> 2.17.1 >>>> >>>> _______________________________________________ >>>> edk2-devel mailing list >>>> edk2-devel@lists.01.org >>>> https://lists.01.org/mailman/listinfo/edk2-devel > _______________________________________________ > edk2-devel mailing list > edk2-devel@lists.01.org > https://lists.01.org/mailman/listinfo/edk2-devel _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
On 19 September 2018 at 02:29, Yao, Jiewen <jiewen.yao@intel.com> wrote: > Thank you Ard. Good to know. > > Did you also try some security test, such as input a bad image to see if the code can return failure gracefully? > > Or enable secure boot to see if the image verification process still works well ? > > One more, did you enable tpm to see if tpm measurement still works well ? > > Also did defer image solution still takes effect with this change? > > Sorry to ask many questions, I want to make sure the current security design still work with this new capability. > Hello Jiewen, As far as I can tell, all the security checks are done *before* CoreLoadPeImage() is called, and the code flow has not changed at all before that point. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
Ok. Cool! > -----Original Message----- > From: Ard Biesheuvel [mailto:ard.biesheuvel@linaro.org] > Sent: Wednesday, September 19, 2018 9:55 PM > To: Yao, Jiewen <jiewen.yao@intel.com> > Cc: Ni, Ruiyu <ruiyu.ni@intel.com>; Zimmer, Vincent > <vincent.zimmer@intel.com>; Dong, Eric <eric.dong@intel.com>; > edk2-devel@lists.01.org; Andrew Fish <afish@apple.com>; Gao, Liming > <liming.gao@intel.com>; Kinney, Michael D <michael.d.kinney@intel.com>; > Richardson, Brian <brian.richardson@intel.com>; Carsey, Jaben > <jaben.carsey@intel.com>; Zeng, Star <star.zeng@intel.com> > Subject: Re: [edk2] [PATCH v2 0/7] MdeModulePkg: add support for > dispatching foreign arch PE/COFF images > > On 19 September 2018 at 02:29, Yao, Jiewen <jiewen.yao@intel.com> > wrote: > > Thank you Ard. Good to know. > > > > Did you also try some security test, such as input a bad image to see if the > code can return failure gracefully? > > > > Or enable secure boot to see if the image verification process still works > well ? > > > > One more, did you enable tpm to see if tpm measurement still works well ? > > > > Also did defer image solution still takes effect with this change? > > > > Sorry to ask many questions, I want to make sure the current security > design still work with this new capability. > > > > Hello Jiewen, > > As far as I can tell, all the security checks are done *before* > CoreLoadPeImage() is called, and the code flow has not changed at all > before that point. _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel