[edk2-devel] [PATCH v2 0/2] Automatically set NXCOMPAT bit if requirements are met

Joey Vagedes via groups.io joeyvagedes=microsoft.com at groups.io
Wed Jun 28 17:39:05 UTC 2023


REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4487

v2: Adds --nonxcompat flag to GenFw; updates man page
v2: Updates PeImage.h to reference spec 9.3 rather then 8.3

Utilize GenFw to automatically set the NXCOMPAT bit of the DLL Characteristics
field of the Optional Header if the following requirements are met:

1. It is a 64bit PE
2. The section alignment is evently divisible by 4K
3. No section is both EFI_IMAGE_SCN_MEM_EXECUTE and EFI_IMAGE_SCN_MEM_WRITE

Cc: Michael D Kinney <michael.d.kinney at intel.com>
Cc: Liming Gao <gaoliming at byosoft.com.cn>
Cc: Zhiguang Liu <zhiguang.liu at intel.com>
Cc: Rebecca Cran <rebecca at bsdio.com>
Cc: Bob Feng <bob.c.feng at intel.com>
Cc: Yuwei Chen <yuwei.chen at intel.com>

Joey Vagedes (2):
  MdePkg: IndustryStandard: Add DLL Characteristics
  BaseTools: GenFw: auto-set nxcompat flag

 MdePkg/Include/IndustryStandard/PeImage.h        |  17 +-
 BaseTools/Source/C/GenFw/GenFw.c                 |  70 ++++
 BaseTools/UserManuals/GenFw_Utility_Man_Page.rtf | 420 +++++++++++---------
 3 files changed, 309 insertions(+), 198 deletions(-)

-- 
2.41.0.windows.1



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