public inbox for devel@edk2.groups.io
 help / color / mirror / Atom feed
From: Liming Gao <liming.gao@intel.com>
To: edk2-devel@lists.01.org
Subject: [Patch 2/3] MdeModulePkg: Update PeiCore consumes PCD to get the init value in temp stack
Date: Thu,  2 Nov 2017 10:59:14 +0800	[thread overview]
Message-ID: <20171102025915.23160-3-liming.gao@intel.com> (raw)
In-Reply-To: <20171102025915.23160-1-liming.gao@intel.com>

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Liming Gao <liming.gao@intel.com>
---
 MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c | 7 +------
 MdeModulePkg/Core/Pei/PeiMain.inf             | 1 +
 2 files changed, 2 insertions(+), 6 deletions(-)

diff --git a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
index 38299c5d98..467066a0bf 100644
--- a/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
+++ b/MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c
@@ -15,11 +15,6 @@ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
 
 #include "PeiMain.h"
 
-///
-/// temporary memory is filled with this initial value during SEC phase
-///
-#define INIT_CAR_VALUE 0x5AA55AA5
-
 /**
 
   Discover all Peims and optional Apriori file in one FV. There is at most one
@@ -680,7 +675,7 @@ PeiCheckAndSwitchStack (
 
       for (StackPointer = (UINT32*)SecCoreData->StackBase;
            (StackPointer < (UINT32*)((UINTN)SecCoreData->StackBase + SecCoreData->StackSize)) \
-           && (*StackPointer == INIT_CAR_VALUE);
+           && (*StackPointer == PcdGet32 (PcdInitValueInTempStack));
            StackPointer ++);
 
       DEBUG ((DEBUG_INFO, "Temp Stack : BaseAddress=0x%p Length=0x%X\n", SecCoreData->StackBase, (UINT32)SecCoreData->StackSize));
diff --git a/MdeModulePkg/Core/Pei/PeiMain.inf b/MdeModulePkg/Core/Pei/PeiMain.inf
index 21ce2be778..7d9cdaa2f0 100644
--- a/MdeModulePkg/Core/Pei/PeiMain.inf
+++ b/MdeModulePkg/Core/Pei/PeiMain.inf
@@ -116,6 +116,7 @@
   gEfiMdeModulePkgTokenSpaceGuid.PcdLoadModuleAtFixAddressEnable            ## CONSUMES
   gEfiMdeModulePkgTokenSpaceGuid.PcdShadowPeimOnS3Boot                      ## CONSUMES 
   gEfiMdeModulePkgTokenSpaceGuid.PcdShadowPeimOnBoot                        ## CONSUMES 
+  gEfiMdeModulePkgTokenSpaceGuid.PcdInitValueInTempStack                    ## CONSUMES
 
 # [BootMode]
 # S3_RESUME             ## SOMETIMES_CONSUMES
-- 
2.11.0.windows.1



  parent reply	other threads:[~2017-11-02  2:55 UTC|newest]

Thread overview: 8+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2017-11-02  2:59 [Patch 0/3] Add new PCD PcdInitValueInTempStack Liming Gao
2017-11-02  2:59 ` [Patch 1/3] MdeModulePkg: " Liming Gao
2017-11-03  1:14   ` Zeng, Star
2017-11-03  7:24     ` Gao, Liming
2017-11-03  7:27       ` Zeng, Star
2017-11-02  2:59 ` Liming Gao [this message]
2017-11-02  2:59 ` [Patch 3/3] Nt32Pkg: Update SecMain consumes PCD to get the init value in temp stack Liming Gao
2017-11-02 23:06 ` [Patch 0/3] Add new PCD PcdInitValueInTempStack Ard Biesheuvel

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-list from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20171102025915.23160-3-liming.gao@intel.com \
    --to=devel@edk2.groups.io \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox