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From: "Gerd Hoffmann" <kraxel@redhat.com>
To: devel@edk2.groups.io
Cc: Tom Lendacky <thomas.lendacky@amd.com>,
	Jiewen Yao <jiewen.yao@intel.com>,
	Oliver Steffen <osteffen@redhat.com>,
	Laszlo Ersek <lersek@redhat.com>,
	Erdem Aktas <erdemaktas@google.com>,
	Michael Roth <michael.roth@amd.com>,
	Ard Biesheuvel <ardb+tianocore@kernel.org>,
	Gerd Hoffmann <kraxel@redhat.com>, Min Xu <min.m.xu@intel.com>
Subject: [edk2-devel] [PATCH 00/10] OvmfPkg/ResetVector: cleanup and add 5-level paging support.
Date: Thu, 22 Feb 2024 12:54:25 +0100	[thread overview]
Message-ID: <20240222115435.85794-1-kraxel@redhat.com> (raw)

So I ran with the suggestion by Laszlo to move the page table setup into
macros and untangle the non-CoCo / TDX / SEV code paths.  The first five
patches of the series are doing that (without functional changes).

Support for 5-level paging is added by the following five patches.  This
way it is indeed easier to understand.  Additional bonus is that the
patches can be splitted into smaller pieces and 5-level paging for the
three cases (non-CoCo / TDX / SEC) can be enabled independently.

The SEV patches (#9 + #10) are included here for completeness, but it is
probably a good idea to merge them only after 5-level paging support was
added to BaseMemEncryptSevLib.  This way we can turn on 5-level paging
support without breaking SEV.

Gerd Hoffmann (10):
  OvmfPkg/ResetVector: improve page table flag names
  OvmfPkg/ResetVector: add ClearOvmfPageTables macro
  OvmfPkg/ResetVector: add CreatePageTables4Level macro
  OvmfPkg/ResetVector: split TDX BSP workflow
  OvmfPkg/ResetVector: split SEV and non-CoCo workflows
  OvmfPkg/ResetVector: add 5-level paging support
  OvmfPkg/ResetVector: print post codes for 4/5 level paging
  OvmfPkg/ResetVector: wire up 5-level paging for TDX
  OvmfPkg/ResetVector: leave SEV VC handler installed longer
  OvmfPkg/ResetVector: wire up 5-level paging for SEV

 OvmfPkg/ResetVector/ResetVector.inf       |   1 +
 OvmfPkg/ResetVector/Ia32/AmdSev.asm       |  34 +--
 OvmfPkg/ResetVector/Ia32/IntelTdx.asm     |  17 +-
 OvmfPkg/ResetVector/Ia32/PageTables64.asm | 300 +++++++++++++++++-----
 OvmfPkg/ResetVector/Main.asm              |   4 +
 OvmfPkg/ResetVector/ResetVector.nasmb     |   1 +
 6 files changed, 264 insertions(+), 93 deletions(-)

-- 
2.43.2



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             reply	other threads:[~2024-02-22 11:54 UTC|newest]

Thread overview: 23+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-02-22 11:54 Gerd Hoffmann [this message]
2024-02-22 11:54 ` [edk2-devel] [PATCH 01/10] OvmfPkg/ResetVector: improve page table flag names Gerd Hoffmann
2024-02-22 11:54 ` [edk2-devel] [PATCH 02/10] OvmfPkg/ResetVector: add ClearOvmfPageTables macro Gerd Hoffmann
2024-02-28  4:09   ` Laszlo Ersek
2024-02-28  8:22     ` Gerd Hoffmann
2024-02-29  7:42       ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 03/10] OvmfPkg/ResetVector: add CreatePageTables4Level macro Gerd Hoffmann
2024-02-28  4:14   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 04/10] OvmfPkg/ResetVector: split TDX BSP workflow Gerd Hoffmann
2024-02-28  4:34   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 05/10] OvmfPkg/ResetVector: split SEV and non-CoCo workflows Gerd Hoffmann
2024-02-28  4:51   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 06/10] OvmfPkg/ResetVector: add 5-level paging support Gerd Hoffmann
2024-02-28  5:33   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 07/10] OvmfPkg/ResetVector: print post codes for 4/5 level paging Gerd Hoffmann
2024-02-28  5:35   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 08/10] OvmfPkg/ResetVector: wire up 5-level paging for TDX Gerd Hoffmann
2024-02-28  5:44   ` Laszlo Ersek
2024-02-22 11:54 ` [edk2-devel] [PATCH 09/10] OvmfPkg/ResetVector: leave SEV VC handler installed longer Gerd Hoffmann
2024-02-28  5:52   ` Laszlo Ersek
2024-02-29 15:47   ` Lendacky, Thomas via groups.io
2024-02-22 11:54 ` [edk2-devel] [PATCH 10/10] OvmfPkg/ResetVector: wire up 5-level paging for SEV Gerd Hoffmann
2024-02-28  5:51   ` Laszlo Ersek

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