From: "xueshengfeng via groups.io" <xueshengfeng=byosoft.com.cn@groups.io>
To: devel@edk2.groups.io, eric.dong@intel.com, ray.ni@intel.com,
rahul1.kumar@intel.com, kraxel@redhat.com, debkumar.de@intel.com,
catharine.west@intel.com
Cc: mingliangx.wu@intel.com, Wu
Subject: [edk2-devel] [PATCH V1 1/1] UefiCpuPkg/ResetVector: Cache Disable should not be set by default in CR0
Date: Wed, 26 Jul 2023 17:47:54 +0800 [thread overview]
Message-ID: <20230726094754.171-1-xueshengfeng@byosoft.com.cn> (raw)
From: "Wu, MingliangX" <mingliangx.wu@intel.com>
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=4511
With 64 bit build we are seeing the CD in control register CR 0 set.
This causes the NEM to disabled for some specific bios profiles.
Cc: Eric Dong <eric.dong@intel.com>
Cc: Ray Ni <ray.ni@intel.com>
Cc: Rahul Kumar <rahul1.kumar@intel.com>
Cc: Gerd Hoffmann <kraxel@redhat.com>
Cc: Debkumar De <debkumar.de@intel.com>
Cc: Catharine West <catharine.west@intel.com>
Signed-off-by: Wu, Mingliang <mingliangx.wu@intel.com>
---
UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm
index f59fc6ead4ba..4af2e875c31c 100644
--- a/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm
+++ b/UefiCpuPkg/ResetVector/Vtf0/Ia16/Real16ToFlat32.asm
@@ -7,7 +7,7 @@
;
;------------------------------------------------------------------------------
-%define SEC_DEFAULT_CR0 0x40000023
+%define SEC_DEFAULT_CR0 0x00000023
%define SEC_DEFAULT_CR4 0x640
BITS 16
--
2.26.2.windows.1
-=-=-=-=-=-=-=-=-=-=-=-
Groups.io Links: You receive all messages sent to this group.
View/Reply Online (#107303): https://edk2.groups.io/g/devel/message/107303
Mute This Topic: https://groups.io/mt/100367559/7686176
Group Owner: devel+owner@edk2.groups.io
Unsubscribe: https://edk2.groups.io/g/devel/unsub [rebecca@openfw.io]
-=-=-=-=-=-=-=-=-=-=-=-
next reply other threads:[~2023-07-27 15:40 UTC|newest]
Thread overview: 16+ messages / expand[flat|nested] mbox.gz Atom feed top
2023-07-26 9:47 xueshengfeng via groups.io [this message]
2023-07-26 9:55 ` [edk2-devel] [PATCH V1 1/1] UefiCpuPkg/ResetVector: Cache Disable should not be set by default in CR0 Ni, Ray
[not found] ` <177562550EF0534C.27380@groups.io>
2023-08-03 8:14 ` Ni, Ray
2024-01-10 7:51 ` Min Xu
2024-01-10 16:43 ` West, Catharine
2024-01-18 15:46 ` Gerd Hoffmann
2024-01-22 19:11 ` Brian J. Johnson
2024-01-23 5:01 ` Min Xu
2024-01-23 10:52 ` Gerd Hoffmann
2024-01-23 14:13 ` Laszlo Ersek
2024-01-23 16:11 ` Gerd Hoffmann
2024-01-24 3:06 ` Min Xu
2024-01-24 12:49 ` Laszlo Ersek
2024-01-24 13:26 ` Gerd Hoffmann
2024-01-24 14:45 ` Laszlo Ersek
2024-01-24 17:11 ` Gerd Hoffmann
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=20230726094754.171-1-xueshengfeng@byosoft.com.cn \
--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