[edk2] [PATCH v4 2/2] ArmVirtPkg: Add Ramdisk support to ArmVirtPkg platforms

[Vikas C Sajjan]

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

Contributed-under: TianoCore Contribution Agreement 1.0
Reviewed-by: Laszlo Ersek <ler...@redhat.com>
Signed-off-by: Vikas C Sajjan <vikas.cha.saj...@hpe.com>
---
 ArmVirtPkg/ArmVirt.dsc.inc           | 16 ++++++++++++++++
 ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc |  5 +++++
 ArmVirtPkg/ArmVirtRules.fdf.inc      |  2 ++
 ArmVirtPkg/ArmVirtXen.fdf            |  5 +++++
 4 files changed, 28 insertions(+)

diff --git a/ArmVirtPkg/ArmVirt.dsc.inc b/ArmVirtPkg/ArmVirt.dsc.inc
index dcf5e50..730bec1 100644
--- a/ArmVirtPkg/ArmVirt.dsc.inc
+++ b/ArmVirtPkg/ArmVirt.dsc.inc
@@ -59,6 +59,11 @@
   
OrderedCollectionLib|MdePkg/Library/BaseOrderedCollectionRedBlackTreeLib/BaseOrderedCollectionRedBlackTreeLib.inf
 
   #
+  # Ramdisk Requirements
+  #
+  FileExplorerLib|MdeModulePkg/Library/FileExplorerLib/FileExplorerLib.inf
+
+  #
   # Allow dynamic PCDs
   #
   PcdLib|MdePkg/Library/DxePcdLib/DxePcdLib.inf
@@ -274,6 +279,12 @@
 
   gEfiMdeModulePkgTokenSpaceGuid.PcdTurnOffUsbLegacySupport|TRUE
 
+[PcdsFeatureFlag.AARCH64]
+  #
+  # Activate AcpiSdtProtocol
+  #
+  gEfiMdeModulePkgTokenSpaceGuid.PcdInstallAcpiSdtProtocol|TRUE
+
 [PcdsFixedAtBuild.common]
   gEfiMdePkgTokenSpaceGuid.PcdMaximumUnicodeStringLength|1000000
   gEfiMdePkgTokenSpaceGuid.PcdMaximumAsciiStringLength|1000000
@@ -383,6 +394,11 @@
   MdeModulePkg/Universal/Network/IScsiDxe/IScsiDxe.inf
 
   #
+  # Ramdisk support
+  #
+  MdeModulePkg/Universal/Disk/RamDiskDxe/RamDiskDxe.inf
+
+  #
   # UEFI application (Shell Embedded Boot Loader)
   #
   ShellPkg/Application/Shell/Shell.inf {
diff --git a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc 
b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
index ad7037f..f212123 100644
--- a/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
+++ b/ArmVirtPkg/ArmVirtQemuFvMain.fdf.inc
@@ -177,3 +177,8 @@ 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..da1b025 100644
--- a/ArmVirtPkg/ArmVirtXen.fdf
+++ b/ArmVirtPkg/ArmVirtXen.fdf
@@ -188,6 +188,11 @@ 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

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