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UefiCpuPkg/ExceptionLib: Add CET support.

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REF: https://bugzilla.tianocore.org/show_bug.cgi?id=1521

Add information dump for Control Protection exception.

Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Laszlo Ersek <lersek@redhat.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Yao Jiewen <jiewen.yao@intel.com>
Reviewed-by: Ray Ni <ray.ni@intel.com>
Regression-tested-by: Laszlo Ersek <lersek@redhat.com>
This commit is contained in:
Jiewen Yao
2019-02-22 21:30:35 +08:00
committed by Liming Gao
parent 0aac2f777a
commit 0d25074cbc
4 changed files with 12 additions and 8 deletions
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5
UefiCpuPkg/Library/CpuExceptionHandlerLib/X64/ArchExceptionHandler.c
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@@ -1,7 +1,7 @@
/** @file
x64 CPU Exception Handler.
Copyright (c) 2012 - 2018, Intel Corporation. All rights reserved.<BR>
Copyright (c) 2012 - 2019, Intel Corporation. All rights reserved.<BR>
This program and the accompanying materials
are licensed and made available under the terms and conditions of the BSD License
which accompanies this distribution. The full text of the license may be found at
@@ -299,13 +299,14 @@ DumpCpuContext (
);
if (ExceptionType == EXCEPT_IA32_PAGE_FAULT) {
InternalPrintMessage (
" I:%x R:%x U:%x W:%x P:%x PK:%x S:%x",
" I:%x R:%x U:%x W:%x P:%x PK:%x SS:%x SGX:%x",
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_ID) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_RSVD) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_US) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_WR) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_P) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_PK) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_SS) != 0,
(SystemContext.SystemContextX64->ExceptionData & IA32_PF_EC_SGX) != 0
);
}