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From: Jian J Wang <jian.j.wang@intel.com>
To: edk2-devel@lists.01.org
Cc: Star Zeng <star.zeng@intel.com>, Eric Dong <eric.dong@intel.com>
Subject: [PATCH v2 1/8] MdeModulePkg/metafile: Add PCD PcdCpuStackGuard
Date: Wed, 22 Nov 2017 16:45:41 +0800	[thread overview]
Message-ID: <20171122084548.6564-2-jian.j.wang@intel.com> (raw)
In-Reply-To: <20171122084548.6564-1-jian.j.wang@intel.com>

PcdCpuStackGuard is introduced to enable/disable Stack Guard feature.
Its value is FALSE by default.

Cc: Star Zeng <star.zeng@intel.com>
Cc: Eric Dong <eric.dong@intel.com>
Suggested-by: Ayellet Wolman <ayellet.wolman@intel.com>
Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Jian J Wang <jian.j.wang@intel.com>
---
 MdeModulePkg/MdeModulePkg.dec | 7 +++++++
 MdeModulePkg/MdeModulePkg.uni | 7 +++++++
 2 files changed, 14 insertions(+)

diff --git a/MdeModulePkg/MdeModulePkg.dec b/MdeModulePkg/MdeModulePkg.dec
index 856d67aceb..b3831a21ad 100644
--- a/MdeModulePkg/MdeModulePkg.dec
+++ b/MdeModulePkg/MdeModulePkg.dec
@@ -949,6 +949,13 @@
   # @Prompt The Heap Guard feature mask
   gEfiMdeModulePkgTokenSpaceGuid.PcdHeapGuardPropertyMask|0x0|UINT8|0x30001054
 
+  ## Indicates if UEFI Stack Guard will be enabled.
+  #  If enabled, stack overflow in UEFI can be caught, preventing chaotic consequences.<BR><BR>
+  #   TRUE  - UEFI Stack Guard will be enabled.<BR>
+  #   FALSE - UEFI Stack Guard will be disabled.<BR>
+  # @Prompt Enable UEFI Stack Guard.
+  gEfiMdeModulePkgTokenSpaceGuid.PcdCpuStackGuard|FALSE|BOOLEAN|0x30001055
+
 [PcdsFixedAtBuild, PcdsPatchableInModule]
   ## Dynamic type PCD can be registered callback function for Pcd setting action.
   #  PcdMaxPeiPcdCallBackNumberPerPcdEntry indicates the maximum number of callback function
diff --git a/MdeModulePkg/MdeModulePkg.uni b/MdeModulePkg/MdeModulePkg.uni
index 588905a9a1..43dd5103be 100644
--- a/MdeModulePkg/MdeModulePkg.uni
+++ b/MdeModulePkg/MdeModulePkg.uni
@@ -1204,3 +1204,10 @@
                                                                                             "          0 - The returned pool is adjacent to the bottom guard page.<BR>\n"
                                                                                             "          1 - The returned pool is adjacent to the top guard page.<BR>"
 
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCpuStackGuard_PROMPT  #language en-US "Enable UEFI Stack Guard"
+
+#string STR_gEfiMdeModulePkgTokenSpaceGuid_PcdCpuStackGuard_HELP    #language en-US "Indicates if UEFI Stack Guard will be enabled.\n"
+                                                                                    "  If enabled, stack overflow in UEFI can be caught, preventing chaotic consequences.<BR><BR>\n"
+                                                                                    "   TRUE  - UEFI Stack Guard will be enabled.<BR>\n"
+                                                                                    "   FALSE - UEFI Stack Guard will be disabled.<BR>"
+
-- 
2.14.1.windows.1



  reply	other threads:[~2017-11-22  8:41 UTC|newest]

Thread overview: 35+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-22  8:45 [PATCH v2 0/8] Implement stack guard feature Jian J Wang
2017-11-22  8:45 ` Jian J Wang [this message]
2017-11-22  8:45 ` [PATCH v2 2/8] MdeModulePkg/CpuExceptionHandlerLib.h: Add a new API Jian J Wang
2017-11-23  4:07   ` Yao, Jiewen
2017-11-23  5:06     ` Wang, Jian J
2017-11-25 13:17       ` 答复: " Fan Jeff
2017-11-27  2:20         ` Wang, Jian J
2017-11-22  8:45 ` [PATCH v2 3/8] MdePkg/BaseLib: Add stack switch related definitions for IA32 Jian J Wang
2017-11-22  8:45 ` [PATCH v2 4/8] MdeModulePkg/DxeIpl: Enable paging for Stack Guard Jian J Wang
2017-11-22  8:45 ` [PATCH v2 5/8] UefiCpuPkg/UefiCpuPkg.dec: Add two new PCDs for stack switch Jian J Wang
2017-11-22  8:45 ` [PATCH v2 6/8] UefiCpuPkg/MpLib: Add GDTR, IDTR and TR in saved AP data Jian J Wang
2017-11-22  8:45 ` [PATCH v2 7/8] UefiCpuPkg/CpuExceptionHandlerLib: Add stack switch support Jian J Wang
2017-11-23  5:50   ` Yao, Jiewen
2017-11-23  5:59     ` Yao, Jiewen
2017-11-23  6:09       ` Wang, Jian J
2017-11-23  6:25         ` Yao, Jiewen
2017-11-23  7:54           ` Wang, Jian J
2017-11-23  6:05     ` Wang, Jian J
2017-11-23  6:16       ` Yao, Jiewen
2017-11-23  6:43         ` Wang, Jian J
2017-11-25 13:27           ` 答复: " Fan Jeff
2017-11-27  2:21             ` Wang, Jian J
2017-11-28  1:38           ` Wang, Jian J
2017-11-28  2:06             ` Yao, Jiewen
2017-11-25 13:35   ` 答复: " Fan Jeff
2017-11-22  8:45 ` [PATCH v2 8/8] UefiCpuPkg/CpuDxe: Initialize stack switch for MP Jian J Wang
2017-11-23  4:13   ` Yao, Jiewen
2017-11-23  5:03     ` Wang, Jian J
2017-11-23  5:19       ` Wang, Jian J
2017-11-23  5:39         ` Yao, Jiewen
2017-11-23  3:47 ` [PATCH v2 0/8] Implement stack guard feature Yao, Jiewen
2017-11-23  5:09   ` Wang, Jian J
2017-11-23  5:40     ` Yao, Jiewen
2017-11-25 13:44       ` 答复: " Fan Jeff
2017-11-25 13:55         ` Yao, Jiewen

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