This wires up the existing code for processing capsule: it enables
CapsulePei, which preserves capsules left in memory by the OS, and
combined with the PlatformBootManagerLib and other changes in previous
patches, this will ensure that capsules are handed back to the OS
via the system table if it requested so. This enables features like
the capsule-pstore for Linux, which is currently under review (sadly,
Gmane nor marc.info archive the linux-efi mailing list)

Implementing the firmware management protocol on top of this should
certainly be doable, but has not been attempted yet.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Ard Biesheuvel <ard.biesheuvel@linaro.org>
---
 ArmVirtPkg/ArmVirtQemu.dsc | 7 ++++++-
 ArmVirtPkg/ArmVirtQemu.fdf | 2 ++
 2 files changed, 8 insertions(+), 1 deletion(-)

diff --git a/ArmVirtPkg/ArmVirtQemu.dsc b/ArmVirtPkg/ArmVirtQemu.dsc
index 477dfdcfc764..b44b3c82abac 100644
--- a/ArmVirtPkg/ArmVirtQemu.dsc
+++ b/ArmVirtPkg/ArmVirtQemu.dsc
@@ -59,7 +59,7 @@ [LibraryClasses.common]
   TimerLib|ArmPkg/Library/ArmArchTimerLib/ArmArchTimerLib.inf
   NorFlashPlatformLib|ArmVirtPkg/Library/NorFlashQemuLib/NorFlashQemuLib.inf
 
-  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibNull/DxeCapsuleLibNull.inf
+  CapsuleLib|MdeModulePkg/Library/DxeCapsuleLibFmp/DxeCapsuleLib.inf
   BootLogoLib|MdeModulePkg/Library/BootLogoLib/BootLogoLib.inf
   PlatformBootManagerLib|ArmVirtPkg/Library/PlatformBootManagerLib/PlatformBootManagerLib.inf
   CustomizedDisplayLib|MdeModulePkg/Library/CustomizedDisplayLib/CustomizedDisplayLib.inf
@@ -98,6 +98,9 @@ [PcdsFeatureFlag.common]
   gArmVirtTokenSpaceGuid.PcdPureAcpiBoot|TRUE
 !endif
 
+  gEfiMdeModulePkgTokenSpaceGuid.PcdSupportUpdateCapsuleReset|TRUE
+
+
 [PcdsFixedAtBuild.common]
   gArmPlatformTokenSpaceGuid.PcdCoreCount|1
 !if $(ARCH) == AARCH64
@@ -234,7 +237,9 @@ [Components.common]
   ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.inf
   ArmPkg/Drivers/CpuPei/CpuPei.inf
 
+  MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
   MdeModulePkg/Universal/Variable/Pei/VariablePei.inf
+  MdeModulePkg/Universal/CapsulePei/CapsulePei.inf
 
   MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf {
     <LibraryClasses>
diff --git a/ArmVirtPkg/ArmVirtQemu.fdf b/ArmVirtPkg/ArmVirtQemu.fdf
index c6a22dc018f3..28d10f2e85d6 100644
--- a/ArmVirtPkg/ArmVirtQemu.fdf
+++ b/ArmVirtPkg/ArmVirtQemu.fdf
@@ -108,7 +108,9 @@ [FV.FVMAIN_COMPACT]
   INF ArmPlatformPkg/MemoryInitPei/MemoryInitPeim.inf
   INF ArmPkg/Drivers/CpuPei/CpuPei.inf
   INF MdeModulePkg/Universal/PCD/Pei/Pcd.inf
+  INF MdeModulePkg/Universal/FaultTolerantWritePei/FaultTolerantWritePei.inf
   INF MdeModulePkg/Universal/Variable/Pei/VariablePei.inf
+  INF MdeModulePkg/Universal/CapsulePei/CapsulePei.inf
   INF MdeModulePkg/Core/DxeIplPeim/DxeIpl.inf
 
   FILE FV_IMAGE = 9E21FD93-9C72-4c15-8C4B-E77F1DB2D792 {
-- 
2.7.4

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