Revision: 14716
http://sourceforge.net/p/edk2/code/14716
Author: jljusten
Date: 2013-09-24 18:23:26 +0000 (Tue, 24 Sep 2013)
Log Message:
-----------
OvmfPkg/ResetVector: enable caching in initial page tables
In UEFI X64 we use other mechanisms to disable caching.
(CD/NW in CR0 and MTRRs.)
This fixes a slow boot issue with SVM.
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Laszlo Ersek <[email protected]>
Reviewed-by: Jordan Justen <[email protected]>
Modified Paths:
--------------
trunk/edk2/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw
trunk/edk2/OvmfPkg/ResetVector/Ia32/PageTables64.asm
Modified: trunk/edk2/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw
===================================================================
--- trunk/edk2/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw 2013-09-24
18:23:20 UTC (rev 14715)
+++ trunk/edk2/OvmfPkg/ResetVector/Bin/ResetVector.x64.raw 2013-09-24
18:23:26 UTC (rev 14716)
@@ -1,2 +1,2 @@
-\x90\x90\x90\x901\xC0-+\x90\x90\x90\x901\xC0-
\xBFAP\xEBf\x89\xC4\xEB\xEB\xF9\xEB\x8A\xE9\xD8\xFD\xFF\xFF\xE9$\xFE\xFF\xFF\xE9\xE4\xFE\xFF\xFF\xB8\xFF\xFF\xFF\xFFH!\xC6H!\xC5H!\xC4H\x89\xE0\xFF搐\x90\x90\x90\x90\x90\x90\x90\x90\x90\xEBÐ\x90\x90\x90\x90\x90\
No newline at end of file
Modified: trunk/edk2/OvmfPkg/ResetVector/Ia32/PageTables64.asm
===================================================================
--- trunk/edk2/OvmfPkg/ResetVector/Ia32/PageTables64.asm 2013-09-24
18:23:20 UTC (rev 14715)
+++ trunk/edk2/OvmfPkg/ResetVector/Ia32/PageTables64.asm 2013-09-24
18:23:26 UTC (rev 14716)
@@ -28,14 +28,12 @@
%define PAGE_2M_PAT 0x01000
%define PAGE_2M_PDE_ATTR (PAGE_2M_MBO + \
- PAGE_CACHE_DISABLE + \
PAGE_ACCESSED + \
PAGE_DIRTY + \
PAGE_READ_WRITE + \
PAGE_PRESENT)
-%define PAGE_PDP_ATTR (PAGE_CACHE_DISABLE + \
- PAGE_ACCESSED + \
+%define PAGE_PDP_ATTR (PAGE_ACCESSED + \
PAGE_READ_WRITE + \
PAGE_PRESENT)
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