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fuchsia / third_party / edk2 / 16b918bbaf51211a32ae04d9d8a5ba6ccca25a6a
commit16b918bbaf51211a32ae04d9d8a5ba6ccca25a6a[log] [tgz]
authorJian J Wang <jian.j.wang@intel.com>Thu Aug 09 16:17:19 2018 +0800
committerJian J Wang <jian.j.wang@intel.com>Thu Aug 30 07:22:29 2018 +0800
treee860f3d6a6c77f63b63b7ba6ce95a06e171da88b
parent8f2613628acf601a2a17bb64bb49ef73f85cfe2c [diff]
UefiCpuPkg/CpuExceptionHandlerLib: Setup single step in #PF handler

Once the #PF handler has set the page to be 'present', there should
be a way to reset it to 'not-present'. 'TF' bit in EFLAGS can be used
for this purpose. 'TF' bit will be set in interrupted function context
so that it can be triggered once the cpu control returns back to the
instruction causing #PF and re-execute it.

This is an necessary step to implement non-stop mode for Heap Guard
and NULL Pointer Detection feature.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Cc: Ruiyu Ni <ruiyu.ni@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
Reviewed-by: Eric Dong <eric.dong@intel.com>
Acked-by: Laszlo Ersek <lersek@redhat.com>
3 files changed
tree: e860f3d6a6c77f63b63b7ba6ce95a06e171da88b
  1. AppPkg/
  2. ArmPkg/
  3. ArmPlatformPkg/
  4. ArmVirtPkg/
  5. BaseTools/
  6. BeagleBoardPkg/
  7. Conf/
  8. CorebootModulePkg/
  9. CorebootPayloadPkg/
  10. CryptoPkg/
  11. DuetPkg/
  12. EdkCompatibilityPkg/
  13. EdkShellBinPkg/
  14. EdkShellPkg/
  15. EmbeddedPkg/
  16. EmulatorPkg/
  17. FatBinPkg/
  18. FatPkg/
  19. FmpDevicePkg/
  20. IntelFrameworkModulePkg/
  21. IntelFrameworkPkg/
  22. IntelFsp2Pkg/
  23. IntelFsp2WrapperPkg/
  24. IntelFspPkg/
  25. IntelFspWrapperPkg/
  26. IntelSiliconPkg/
  27. MdeModulePkg/
  28. MdePkg/
  29. NetworkPkg/
  30. Nt32Pkg/
  31. Omap35xxPkg/
  32. OptionRomPkg/
  33. OvmfPkg/
  34. PcAtChipsetPkg/
  35. QuarkPlatformPkg/
  36. QuarkSocPkg/
  37. SecurityPkg/
  38. ShellBinPkg/
  39. ShellPkg/
  40. SignedCapsulePkg/
  41. SourceLevelDebugPkg/
  42. StandaloneMmPkg/
  43. StdLib/
  44. StdLibPrivateInternalFiles/
  45. UefiCpuPkg/
  46. UnixPkg/
  47. Vlv2DeviceRefCodePkg/
  48. Vlv2TbltDevicePkg/
  49. .gitignore
  50. .gitmodules
  51. BuildNotes2.txt
  52. Contributions.txt
  53. edksetup.bat
  54. edksetup.sh
  55. License.txt
  56. Maintainers.txt
  57. Readme.md
Readme.md

EDK II Project

A modern, feature-rich, cross-platform firmware development environment for the UEFI and PI specifications from www.uefi.org.

Contributions to the EDK II open source project are covered by the TianoCore Contribution Agreement 1.1

The majority of the content in the EDK II open source project uses a BSD 2-Clause License. The EDK II open source project contains the following components that are covered by additional licenses:

The EDK II Project is composed of packages. The maintainers for each package are listed in Maintainers.txt.

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