This patch replace the XenDetected() function by the one in
XenPlatformLib.

Ref: https://bugzilla.tianocore.org/show_bug.cgi?id=1689
Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
---

Notes:
    v4:
    - removed gEfiXenInfoGuid from Guids list.
    
    v3:
    - new patch, splited from the next patch
      (which was OvmfPkg/AcpiPlatformDxe: Use PVH RSDP if exist)

 OvmfPkg/OvmfPkgIa32.dsc                     |  1 +
 OvmfPkg/OvmfPkgIa32X64.dsc                  |  1 +
 OvmfPkg/OvmfPkgX64.dsc                      |  1 +
 OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf |  3 +--
 OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h      |  6 +-----
 OvmfPkg/AcpiPlatformDxe/Xen.c               | 24 ---------------------
 6 files changed, 5 insertions(+), 31 deletions(-)

diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc
index 6ab7300186..66e944436a 100644
--- a/OvmfPkg/OvmfPkgIa32.dsc
+++ b/OvmfPkg/OvmfPkgIa32.dsc
@@ -200,6 +200,7 @@ [LibraryClasses]
   SmbusLib|MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf
   OrderedCollectionLib|MdePkg/Library/BaseOrderedCollectionRedBlackTreeLib/BaseOrderedCollectionRedBlackTreeLib.inf
   XenHypercallLib|OvmfPkg/Library/XenHypercallLib/XenHypercallLib.inf
+  XenPlatformLib|OvmfPkg/Library/XenPlatformLib/XenPlatformLib.inf
 
 !if $(TPM2_ENABLE) == TRUE
   Tpm2CommandLib|SecurityPkg/Library/Tpm2CommandLib/Tpm2CommandLib.inf
diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc
index f163aa2671..51c2bfb44f 100644
--- a/OvmfPkg/OvmfPkgIa32X64.dsc
+++ b/OvmfPkg/OvmfPkgIa32X64.dsc
@@ -205,6 +205,7 @@ [LibraryClasses]
   SmbusLib|MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf
   OrderedCollectionLib|MdePkg/Library/BaseOrderedCollectionRedBlackTreeLib/BaseOrderedCollectionRedBlackTreeLib.inf
   XenHypercallLib|OvmfPkg/Library/XenHypercallLib/XenHypercallLib.inf
+  XenPlatformLib|OvmfPkg/Library/XenPlatformLib/XenPlatformLib.inf
 
 !if $(TPM2_ENABLE) == TRUE
   Tpm2CommandLib|SecurityPkg/Library/Tpm2CommandLib/Tpm2CommandLib.inf
diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc
index fa98f16a3f..ba7a758844 100644
--- a/OvmfPkg/OvmfPkgX64.dsc
+++ b/OvmfPkg/OvmfPkgX64.dsc
@@ -205,6 +205,7 @@ [LibraryClasses]
   SmbusLib|MdePkg/Library/BaseSmbusLibNull/BaseSmbusLibNull.inf
   OrderedCollectionLib|MdePkg/Library/BaseOrderedCollectionRedBlackTreeLib/BaseOrderedCollectionRedBlackTreeLib.inf
   XenHypercallLib|OvmfPkg/Library/XenHypercallLib/XenHypercallLib.inf
+  XenPlatformLib|OvmfPkg/Library/XenPlatformLib/XenPlatformLib.inf
 
 !if $(TPM2_ENABLE) == TRUE
   Tpm2CommandLib|SecurityPkg/Library/Tpm2CommandLib/Tpm2CommandLib.inf
diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf b/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
index 24634eeae2..e486b8afa5 100644
--- a/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
+++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatformDxe.inf
@@ -44,13 +44,13 @@ [LibraryClasses]
   DebugLib
   UefiBootServicesTableLib
   UefiDriverEntryPoint
-  HobLib
   QemuFwCfgLib
   QemuFwCfgS3Lib
   MemoryAllocationLib
   BaseLib
   DxeServicesTableLib
   OrderedCollectionLib
+  XenPlatformLib
 
 [Protocols]
   gEfiAcpiTableProtocolGuid                     # PROTOCOL ALWAYS_CONSUMED
@@ -58,7 +58,6 @@ [Protocols]
   gEfiPciIoProtocolGuid                         # PROTOCOL SOMETIMES_CONSUMED
 
 [Guids]
-  gEfiXenInfoGuid
   gRootBridgesConnectedEventGroupGuid
 
 [Pcd]
diff --git a/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h
index 3037afcf18..9597e028e4 100644
--- a/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h
+++ b/OvmfPkg/AcpiPlatformDxe/AcpiPlatform.h
@@ -19,6 +19,7 @@
 #include <Library/UefiBootServicesTableLib.h>
 #include <Library/DebugLib.h>
 #include <Library/PcdLib.h>
+#include <Library/XenPlatformLib.h>
 
 #include <IndustryStandard/Acpi.h>
 
@@ -52,11 +53,6 @@ QemuInstallAcpiTable (
   OUT  UINTN                         *TableKey
   );
 
-BOOLEAN
-XenDetected (
-  VOID
-  );
-
 EFI_STATUS
 EFIAPI
 InstallXenTables (
diff --git a/OvmfPkg/AcpiPlatformDxe/Xen.c b/OvmfPkg/AcpiPlatformDxe/Xen.c
index e4e47bf0e8..82794b933e 100644
--- a/OvmfPkg/AcpiPlatformDxe/Xen.c
+++ b/OvmfPkg/AcpiPlatformDxe/Xen.c
@@ -9,8 +9,6 @@
 **/ 
 
 #include "AcpiPlatform.h"
-#include <Library/HobLib.h>
-#include <Guid/XenInfo.h>
 #include <Library/BaseLib.h>
 
 #define XEN_ACPI_PHYSICAL_ADDRESS         0x000EA020
@@ -18,28 +16,6 @@
 
 EFI_ACPI_2_0_ROOT_SYSTEM_DESCRIPTION_POINTER  *XenAcpiRsdpStructurePtr = NULL;
 
-/**
-  This function detects if OVMF is running on Xen.
-
-**/
-BOOLEAN
-XenDetected (
-  VOID
-  )
-{
-  EFI_HOB_GUID_TYPE         *GuidHob;
-
-  //
-  // See if a XenInfo HOB is available
-  //
-  GuidHob = GetFirstGuidHob (&gEfiXenInfoGuid);
-  if (GuidHob == NULL) {
-    return FALSE;
-  }
-
-  return TRUE;
-}
-
 /**
   Get the address of Xen ACPI Root System Description Pointer (RSDP)
   structure.
-- 
Anthony PERARD


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