From: "Min Xu" <min.m.xu@intel.com>
To: "devel@edk2.groups.io" <devel@edk2.groups.io>,
"thomas.lendacky@amd.com" <thomas.lendacky@amd.com>,
Brijesh Singh <brijesh.singh@amd.com>
Cc: Ard Biesheuvel <ardb+tianocore@kernel.org>,
"Justen, Jordan L" <jordan.l.justen@intel.com>,
Gerd Hoffmann <kraxel@redhat.com>,
Erdem Aktas <erdemaktas@google.com>,
James Bottomley <jejb@linux.ibm.com>,
"Yao, Jiewen" <jiewen.yao@intel.com>
Subject: Re: [edk2-devel] [PATCH V9 2/4] OvmfPkg: Clear WORK_AREA_GUEST_TYPE in Main.asm
Date: Wed, 13 Oct 2021 00:58:33 +0000 [thread overview]
Message-ID: <PH0PR11MB5064CBC03D4D8D9448E92DA4C5B79@PH0PR11MB5064.namprd11.prod.outlook.com> (raw)
In-Reply-To: <8f9762e7-bcc2-16b1-8cb3-159cd5d78979@amd.com>
On October 12, 2021 9:23 PM, Lendacky Thomas wrote:
> On 10/11/21 9:37 PM, Min Xu wrote:
> > diff --git a/OvmfPkg/ResetVector/Main.asm
> > b/OvmfPkg/ResetVector/Main.asm index ae90a148fce7..a501fbe880f2
> 100644
> > --- a/OvmfPkg/ResetVector/Main.asm
> > +++ b/OvmfPkg/ResetVector/Main.asm
> > @@ -36,6 +36,14 @@ Main16:
> >
> > BITS 32
> >
> > +%ifdef ARCH_X64
>
> A regular SEV guest can be built in the hybrid IA32 and X64 configuration, so this
> will break existing SEV firmwares built in that manner. Only SEV-ES and SEV-SNP
> require the full X64 confguration.
>
WORK_AREA_GUEST_TYPE is defined in https://github.com/tianocore/edk2/blob/master/OvmfPkg/ResetVector/ResetVector.nasmb#L75 and previously it was cleared in https://github.com/tianocore/edk2/blob/master/OvmfPkg/ResetVector/Ia32/PageTables64.asm#L47. These 2 lines are both surrounded by ARCH_X64.
So in this commit, the clearance of WORK_AREA_GUEST_TYPE in Main.asm is surrounded by ARCH_X64 too.
Brijesh, what's your comments on this change?
Thanks!
Min
next prev parent reply other threads:[~2021-10-13 0:58 UTC|newest]
Thread overview: 17+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-10-12 2:37 [PATCH V9 0/4] Add Intel TDX support in OvmfPkg/ResetVector Min Xu
2021-10-12 2:37 ` [PATCH V9 1/4] OvmfPkg: Copy Main.asm from UefiCpuPkg to OvmfPkg's ResetVector Min Xu
2021-10-12 7:02 ` Gerd Hoffmann
2021-10-13 0:39 ` Min Xu
2021-10-12 2:37 ` [PATCH V9 2/4] OvmfPkg: Clear WORK_AREA_GUEST_TYPE in Main.asm Min Xu
2021-10-12 7:02 ` Gerd Hoffmann
2021-10-12 13:22 ` Lendacky, Thomas
2021-10-13 0:58 ` Min Xu [this message]
2021-10-13 15:45 ` [edk2-devel] " Brijesh Singh
2021-10-14 1:50 ` Min Xu
2021-10-12 2:37 ` [PATCH V9 3/4] OvmfPkg: Add IntelTdxMetadata.asm Min Xu
2021-10-12 7:22 ` Gerd Hoffmann
2021-10-13 11:44 ` [edk2-devel] " Brijesh Singh
2021-10-13 13:07 ` Gerd Hoffmann
2021-10-12 2:37 ` [PATCH V9 4/4] OvmfPkg: Enable TDX in ResetVector Min Xu
2021-10-12 7:43 ` Gerd Hoffmann
2021-10-13 5:16 ` [edk2-devel] " Min Xu
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