From: "Laszlo Ersek" <lersek@redhat.com>
To: devel@edk2.groups.io, guomin.jiang@intel.com
Cc: Michael Kubacki <michael.a.kubacki@intel.com>,
Jian J Wang <jian.j.wang@intel.com>,
Hao A Wu <hao.a.wu@intel.com>, Dandan Bi <dandan.bi@intel.com>,
Liming Gao <liming.gao@intel.com>,
Debkumar De <debkumar.de@intel.com>,
Harry Han <harry.han@intel.com>,
Catharine West <catharine.west@intel.com>
Subject: Re: [edk2-devel] [PATCH v2 1/9] MdeModulePkg/PeiCore: Enable T-RAM evacuation in PeiCore (CVE-2019-11098)
Date: Fri, 3 Jul 2020 15:52:56 +0200 [thread overview]
Message-ID: <1a79edf7-e6f8-3241-67d8-f43490276150@redhat.com> (raw)
In-Reply-To: <20200702051525.1102-2-guomin.jiang@intel.com>
On 07/02/20 07:15, Guomin Jiang wrote:
> From: Michael Kubacki <michael.a.kubacki@intel.com>
>
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=1614
>
> Introduces new changes to PeiCore to move the contents of temporary
> RAM visible to the PeiCore to permanent memory. This expands on
> pre-existing shadowing support in the PeiCore to perform the following
> additional actions:
>
> 1. Migrate pointers in PPIs installed in PeiCore to the permanent
> memory copy of PeiCore.
>
> 2. Copy all installed firmware volumes to permanent memory.
>
> 3. Relocate and fix up the PEIMs within the firmware volumes.
>
> 4. Convert all PPIs into the migrated firmware volume to the corresponding
> PPI address in the permanent memory location.
>
> This applies to PPIs and PEI notifications.
>
> 5. Convert all status code callbacks in the migrated firmware volume to
> the corresponding address in the permanent memory location.
>
> 6. Update the FV HOB to the corresponding firmware volume in permanent
> memory.
>
> Cc: Jian J Wang <jian.j.wang@intel.com>
> Cc: Hao A Wu <hao.a.wu@intel.com>
> Cc: Dandan Bi <dandan.bi@intel.com>
> Cc: Liming Gao <liming.gao@intel.com>
> Cc: Debkumar De <debkumar.de@intel.com>
> Cc: Harry Han <harry.han@intel.com>
> Cc: Catharine West <catharine.west@intel.com>
> Signed-off-by: Michael Kubacki <michael.a.kubacki@intel.com>
> ---
> MdeModulePkg/Core/Pei/Dispatcher/Dispatcher.c | 402 ++++++++++++++++++
> MdeModulePkg/Core/Pei/Image/Image.c | 115 +++++
> MdeModulePkg/Core/Pei/Memory/MemoryServices.c | 82 ++++
> MdeModulePkg/Core/Pei/PeiMain.h | 168 ++++++++
> MdeModulePkg/Core/Pei/PeiMain.inf | 1 +
> MdeModulePkg/Core/Pei/PeiMain/PeiMain.c | 16 +
> MdeModulePkg/Core/Pei/Ppi/Ppi.c | 287 +++++++++++++
> 7 files changed, 1071 insertions(+)
(2) The commit message of this patch should be extended with a
simplified call tree of *all* the functions introduced. As follows:
PeiCore()
DumpPpiList()
EvacuateTempRam()
ConvertPeiCorePpiPointers()
PeiGetPe32Data()
ConvertPpiPointersFv()
MigrateSecModulesInFv()
LoadAndRelocatePeCoffImageInPlace()
MigratePeimsInFv()
MigratePeim()
PeiGetPe32Data()
LoadAndRelocatePeCoffImageInPlace()
ConvertPpiPointersFv()
ConvertStatusCodeCallbacks()
ConvertFvHob()
RemoveFvHobsInTemporaryMemory()
DumpPpiList()
Thanks
Laszlo
next prev parent reply other threads:[~2020-07-03 13:53 UTC|newest]
Thread overview: 25+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-07-02 5:15 [PATCH v2 0/9] Migrate Pointer from flash to permanent memory (CVE-2019-11098) Guomin Jiang
2020-07-02 5:15 ` [PATCH v2 1/9] MdeModulePkg/PeiCore: Enable T-RAM evacuation in PeiCore (CVE-2019-11098) Guomin Jiang
2020-07-03 12:22 ` [edk2-devel] " Laszlo Ersek
2020-07-03 13:52 ` Laszlo Ersek [this message]
2020-07-02 5:15 ` [PATCH v2 2/9] UefiCpuPkg/CpuMpPei: Add GDT and IDT migration support (CVE-2019-11098) Guomin Jiang
2020-07-02 7:36 ` [edk2-devel] " Ni, Ray
2020-07-03 11:36 ` Laszlo Ersek
2020-07-03 11:52 ` Laszlo Ersek
2020-07-03 13:57 ` Laszlo Ersek
2020-07-03 14:33 ` Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 3/9] UefiCpuPkg/SecMigrationPei: Add initial PEIM (CVE-2019-11098) Guomin Jiang
2020-07-03 11:38 ` [edk2-devel] " Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 4/9] MdeModulePkg/DxeIplPeim: Register for shadow on S3 shadowed boot (CVE-2019-11098) Guomin Jiang
2020-07-03 14:00 ` [edk2-devel] " Laszlo Ersek
2020-07-03 14:23 ` Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 5/9] MdeModulePkg/Core: Create Migrated FV Info Hob for calculating hash (CVE-2019-11098) Guomin Jiang
2020-07-03 14:03 ` [edk2-devel] " Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 6/9] SecurityPkg/Tcg2Pei: Use " Guomin Jiang
2020-07-02 5:15 ` [PATCH v2 7/9] MdeModulePkg/Core: Add switch to enable or disable TOCTOU feature (CVE-2019-11098) Guomin Jiang
2020-07-03 12:48 ` [edk2-devel] " Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 8/9] UefiCpuPkg/SecMigrationPei: Add switch to control if produce PPI (CVE-2019-11098) Guomin Jiang
2020-07-03 14:05 ` [edk2-devel] " Laszlo Ersek
2020-07-02 5:15 ` [PATCH v2 9/9] UefiCpuPkg/CpuMpPei: Enable paging and set NP flag to avoid TOCTOU (CVE-2019-11098) Guomin Jiang
2020-07-03 13:11 ` [edk2-devel] " Laszlo Ersek
2020-07-03 14:06 ` [edk2-devel] [PATCH v2 0/9] Migrate Pointer from flash to permanent memory (CVE-2019-11098) Laszlo Ersek
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