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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 <lersek@redhat.com>
Reviewed-by: Jordan Justen <jordan.l.justen@intel.com>

git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@14716 6f19259b-4bc3-4df7-8a09-765794883524
This commit is contained in:
Laszlo Ersek 2013-09-24 18:23:26 +00:00 committed by jljusten
parent c90e37b503
commit 98f378a7be
2 changed files with 1 additions and 3 deletions
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OvmfPkg/ResetVector/Bin/ResetVector.x64.raw
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OvmfPkg/ResetVector/Ia32/PageTables64.asm
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@ -28,14 +28,12 @@ BITS 32
%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)