Ard: Can you submit one BZ for this new feature? I will add it into the stable tag feature planning.
For this patch set, Reviewed-by: Liming Gao <gaolim...@byosoft.com.cn> Thanks Liming > -----邮件原件----- > 发件人: devel@edk2.groups.io <devel@edk2.groups.io> 代表 Ard > Biesheuvel > 发送时间: 2023年4月4日 23:40 > 收件人: devel@edk2.groups.io > 抄送: Ard Biesheuvel <a...@kernel.org>; Michael Kinney > <michael.d.kin...@intel.com>; Liming Gao <gaolim...@byosoft.com.cn>; > Jiewen Yao <jiewen....@intel.com>; Michael Kubacki > <michael.kuba...@microsoft.com>; Sean Brogan > <sean.bro...@microsoft.com>; Rebecca Cran <quic_rc...@quicinc.com>; > Leif Lindholm <quic_llind...@quicinc.com>; Sami Mujawar > <sami.muja...@arm.com>; Taylor Beebe <t...@taylorbeebe.com>; Marvin > Häuser <mhaeu...@posteo.de>; Bob Feng <bob.c.f...@intel.com>; Oliver > Smith-Denny <o...@linux.microsoft.com> > 主题: [edk2-devel] [PATCH v3 0/4] Enable BTI support in memory attributes > table > > Implement version 2 of the memory attributes table, which now contains a > > flag informing the OS whether or not code regions may be mapped with CFI > > mitigations such as IBT or BTI enabled. > > > > This series covers the remaining parts after the AArch64 specific > > changes were merged: > > > > - Update the BaseTools to emit the appropriate PE/COFF annotation when a > > BTI/IBT compatible ELF executable is converted to PE/COFF > > - Take this PE/COFF annotation into account when populating the memory > > attributes table in the DXE core > > > > TODO: > > - X64 changes to make the code IBT compatible and emit the ELF note > > - Figure out how to generate such executables with native PE toolchains > > - Implement BTI/IBT enforcement at boot time - this is something I > > intend to look into next. > > > > Can be tested with the CLANG38 toolchain (both Clang compiler and LLD > > linker, version 3.8 or newer) with the following build options. > > > > [BuildOptions] > > GCC:*_*_AARCH64_PP_FLAGS = -mbranch-protection=bti > > GCC:*_*_AARCH64_CC_FLAGS = -mbranch-protection=bti > > GCC:*_*_AARCH64_DLINK_FLAGS = -fuse-ld=lld > -Wl,--no-relax,--no-pie,-z,bti-report=error > > > > Changes since v2: > > - increase DllCharacteristicsEx field to 4 bytes > > - add Oliver's Rb > > > > If no comments or objections have been raised by the end of the week, I > > will go ahead and merge this - thanks. > > > > Cc: Michael Kinney <michael.d.kin...@intel.com> > > Cc: Liming Gao <gaolim...@byosoft.com.cn> > > Cc: Jiewen Yao <jiewen....@intel.com> > > Cc: Michael Kubacki <michael.kuba...@microsoft.com> > > Cc: Sean Brogan <sean.bro...@microsoft.com> > > Cc: Rebecca Cran <quic_rc...@quicinc.com> > > Cc: Leif Lindholm <quic_llind...@quicinc.com> > > Cc: Sami Mujawar <sami.muja...@arm.com> > > Cc: Taylor Beebe <t...@taylorbeebe.com> > > Cc: Marvin Häuser <mhaeu...@posteo.de> > > Cc: Bob Feng <bob.c.f...@intel.com> > > Cc: Oliver Smith-Denny <o...@linux.microsoft.com> > > > > Ard Biesheuvel (4): > > BaseTools/GenFw: Parse IBT/BTI support status from ELF note > > BaseTools/GenFw: Add DllCharacteristicsEx field to debug data > > MdePkg/PeCoffLib: Capture DLL characteristics fields in image context > > MdeModulePkg: Enable forward edge CFI in mem attributes table > > > > BaseTools/Source/C/GenFw/Elf64Convert.c | 104 > +++++++++++++++++--- > > BaseTools/Source/C/GenFw/GenFw.c | 3 +- > > BaseTools/Source/C/GenFw/elf_common.h | 9 ++ > > BaseTools/Source/C/Include/IndustryStandard/PeImage.h | 13 ++- > > MdeModulePkg/Core/Dxe/DxeMain.h | 2 + > > MdeModulePkg/Core/Dxe/Image/Image.c | 10 ++ > > MdeModulePkg/Core/Dxe/Misc/MemoryAttributesTable.c | 8 +- > > MdePkg/Include/IndustryStandard/PeImage.h | 13 ++- > > MdePkg/Include/Library/PeCoffLib.h | 6 ++ > > MdePkg/Library/BasePeCoffLib/BasePeCoff.c | 46 > ++++++--- > > 10 files changed, 186 insertions(+), 28 deletions(-) > > > > -- > > 2.39.2 > > > > > > -=-=-=-=-=-= > Groups.io Links: You receive all messages sent to this group. > View/Reply Online (#102491): > https://edk2.groups.io/g/devel/message/102491 > Mute This Topic: https://groups.io/mt/98062730/4905953 > Group Owner: devel+ow...@edk2.groups.io > Unsubscribe: https://edk2.groups.io/g/devel/unsub > [gaolim...@byosoft.com.cn] > -=-=-=-=-=-= > -=-=-=-=-=-=-=-=-=-=-=- Groups.io Links: You receive all messages sent to this group. View/Reply Online (#102582): https://edk2.groups.io/g/devel/message/102582 Mute This Topic: https://groups.io/mt/98096794/21656 Group Owner: devel+ow...@edk2.groups.io Unsubscribe: https://edk2.groups.io/g/devel/unsub [arch...@mail-archive.com] -=-=-=-=-=-=-=-=-=-=-=-
