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audk/UefiCpuPkg/Library/CpuExceptionHandlerLib
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Sheng, W 455b0347a7 UefiCpuPkg/PiSmmCpuDxeSmm: Use SMM Interrupt Shadow Stack 
When CET shadow stack feature is enabled, it needs to use IST for the
 exceptions, and uses interrupt shadow stack for the stack switch.
Shadow stack should be 32 bytes aligned.
Check IST field, when clear shadow stack token busy bit when using retf.

REF: https://bugzilla.tianocore.org/show_bug.cgi?id=3728

Signed-off-by: Sheng Wei <w.sheng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
 		2021-11-12 12:50:19 +00:00
..
Ia32 UefiCpuPkg: Correct some typos. 2020-07-28 01:43:16 +00:00
X64 UefiCpuPkg/PiSmmCpuDxeSmm: Use SMM Interrupt Shadow Stack 2021-11-12 12:50:19 +00:00
CpuExceptionCommon.c UefiCpuPkg/CpuExceptionHandler: Add missing comma to exception name array 2021-05-14 11:26:17 +00:00
CpuExceptionCommon.h UefiCpuPkg: Correct some typos. 2020-07-28 01:43:16 +00:00
DxeCpuExceptionHandlerLib.inf UefiCpuPkg/CpuExceptionHandlerLib: Clear CET shadow stack token busy bit 2021-03-02 05:11:55 +00:00
DxeCpuExceptionHandlerLib.uni UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
DxeException.c UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
PeiCpuException.c UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
PeiCpuExceptionHandlerLib.inf UefiCpuPkg/CpuExceptionHandlerLib: Clear CET shadow stack token busy bit 2021-03-02 05:11:55 +00:00
PeiCpuExceptionHandlerLib.uni UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
PeiDxeSmmCpuException.c UefiCpuPkg/CpuExceptionHandler: Add base support for the #VC exception 2020-08-17 02:46:39 +00:00
SecPeiCpuException.c UefiCpuPkg/CpuExceptionHandler: Add base support for the #VC exception 2020-08-17 02:46:39 +00:00
SecPeiCpuExceptionHandlerLib.inf UefiCpuPkg/CpuExceptionHandlerLib: Clear CET shadow stack token busy bit 2021-03-02 05:11:55 +00:00
SecPeiCpuExceptionHandlerLib.uni UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
SmmCpuExceptionHandlerLib.inf UefiCpuPkg/CpuExceptionHandlerLib: Clear CET shadow stack token busy bit 2021-03-02 05:11:55 +00:00
SmmCpuExceptionHandlerLib.uni UefiCpuPkg: Replace BSD License with BSD+Patent License 2019-04-09 10:58:28 -07:00
SmmException.c UefiCpuPkg/Smm: Fix various typos 2020-02-10 22:30:07 +00:00
Xcode5SecPeiCpuExceptionHandlerLib.inf UefiCpuPkg/CpuExceptionHandlerLib: Clear CET shadow stack token busy bit 2021-03-02 05:11:55 +00:00
Xcode5SecPeiCpuExceptionHandlerLib.uni UefiCpuPkg/CpuExceptionHandler: Make XCODE5 changes toolchain specific 2020-05-11 19:25:33 +00:00