[PATCH 2/2] ArmVirtPkg: Add Ramdisk support to ArmVirtPkg platforms

[Vikas C Sajjan <vikas.cha.sajjan@hpe.com>]

Adds the RAMDisk support to ArmVirtPkg platforms.
This patch actually ports OvmfPkg commit 259d87146b07 to
ArmVirtPkg.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Vikas C Sajjan <vikas.cha.sajjan@hpe.com>
---
 ArmVirtPkg/ArmVirt.dsc.inc           | 7 +++++++
 ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc | 3 +++
 ArmVirtPkg/ArmVirtRules.fdf.inc      | 2 ++
 ArmVirtPkg/ArmVirtXen.fdf            | 3 +++
 4 files changed, 15 insertions(+)

diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index 9e215c2..66068f7 100644
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -253,6 +253,10 @@
   gEfiMdePkgTokenSpaceGuid.PcdComponentName2Disable|TRUE
   gEfiMdePkgTokenSpaceGuid.PcdDriverDiagnostics2Disable|TRUE
 
+[PcdsFeatureFlag.AARCH64]
+  # Activate AcpiSdtProtocol
+  gEfiMdeModulePkgTokenSpaceGuid.PcdInstallAcpiSdtProtocol|TRUE
+
   #
   # Control what commands are supported from the UI
   # Turn these on and off to add features or save size
@@ -382,6 +386,9 @@
   MdeModulePkg/Universal/Network/UefiPxeBcDxe/UefiPxeBcDxe.inf
   MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
 
+  # Ramdisk support
+  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
+
 [Components.AARCH64]
   #
   # ACPI Support
diff --git a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
index ad7037f..14d06bb 100644
--- a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
+++ b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
@@ -177,3 +177,6 @@ READ_LOCK_STATUS   = TRUE
   FILE FREEFORM = PCD(gEfiIntelFrameworkModulePkgTokenSpaceGuid.PcdLogoFile) {
     SECTION RAW = MdeModulePkg/Logo/Logo.bmp
   }
+
+  # Ramdisk support
+  INF MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
diff --git a/ArmVirtPkg/ArmVirtRules.fdf.inc b/ArmVirtPkg/ArmVirtRules.fdf.inc
index 8952c67..5ff3004 100644
--- a/ArmVirtPkg/ArmVirtRules.fdf.inc
+++ b/ArmVirtPkg/ArmVirtRules.fdf.inc
@@ -85,6 +85,8 @@
     DXE_DEPEX    DXE_DEPEX              Optional $(INF_OUTPUT)/$(MODULE_NAME).depex
     PE32         PE32                   $(INF_OUTPUT)/$(MODULE_NAME).efi
     UI           STRING="$(MODULE_NAME)" Optional
+    RAW          ACPI  Optional               |.acpi
+    RAW          ASL   Optional               |.aml
   }
 
 [Rule.Common.DXE_RUNTIME_DRIVER]
diff --git a/ArmVirtPkg/ArmVirtXen.fdf b/ArmVirtPkg/ArmVirtXen.fdf
index 0a97bd8..36671a8 100644
--- a/ArmVirtPkg/ArmVirtXen.fdf
+++ b/ArmVirtPkg/ArmVirtXen.fdf
@@ -188,6 +188,9 @@ READ_LOCK_STATUS   = TRUE
   INF ArmVirtPkg/XenAcpiPlatformDxe/XenAcpiPlatformDxe.inf
 !endif
 
+ # Ramdisk support
+ INF MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
+
 [FV.FVMAIN_COMPACT]
 FvAlignment        = 16
 ERASE_POLARITY     = 1
-- 
1.9.1