[PATCH v2 4/5] OvmfPkg/PlatformDebugLibIoPort: Introduce a Nocheck variant

["Anthony PERARD" <anthony.perard@citrix.com>]

Introduce PlatformRomDebugLibIoPortNocheck which doesn't try to detect
the debug IO port. Instead, debug logs are always written to the IO port.

Signed-off-by: Anthony PERARD <anthony.perard@citrix.com>
---
 ...f => PlatformRomDebugLibIoPortNocheck.inf} | 15 ++++++-----
 .../DebugIoPortNocheck.c                      | 25 +++++++++++++++++++
 2 files changed, 32 insertions(+), 8 deletions(-)
 copy OvmfPkg/Library/PlatformDebugLibIoPort/{PlatformRomDebugLibIoPort.inf => PlatformRomDebugLibIoPortNocheck.inf} (65%)
 create mode 100644 OvmfPkg/Library/PlatformDebugLibIoPort/DebugIoPortNocheck.c

diff --git a/OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPort.inf b/OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPortNocheck.inf
similarity index 65%
copy from OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPort.inf
copy to OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPortNocheck.inf
index 8f721d249dd5..34034e1eb887 100644
--- a/OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPort.inf
+++ b/OvmfPkg/Library/PlatformDebugLibIoPort/PlatformRomDebugLibIoPortNocheck.inf
@@ -1,9 +1,8 @@
 ## @file
-#  Instance of Debug Library for the QEMU debug console port.
+#  Instance of Debug Library for an hypervisor debug console port.
 #  It uses Print Library to produce formatted output strings.
 #
-#  Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
-#  Copyright (c) 2017, Red Hat, Inc.<BR>
+#  Copyright (c) 2020, Citrix Systems, Inc.
 #
 #  SPDX-License-Identifier: BSD-2-Clause-Patent
 #
@@ -12,11 +11,11 @@
 
 [Defines]
   INF_VERSION                    = 0x00010005
-  BASE_NAME                      = PlatformRomDebugLibIoPort
-  FILE_GUID                      = CEB0D9D3-328F-4C24-8C02-28FA1986AE1B
+  BASE_NAME                      = PlatformRomDebugLibIoPortNocheck
+  FILE_GUID                      = 92AEB68E-C2CF-466E-9AB2-3F5E713F7DE6
   MODULE_TYPE                    = BASE
   VERSION_STRING                 = 1.0
-  LIBRARY_CLASS                  = DebugLib|SEC
+  LIBRARY_CLASS                  = DebugLib|SEC PEI_CORE PEIM DXE_CORE DXE_DRIVER DXE_RUNTIME_DRIVER SMM_CORE DXE_SMM_DRIVER UEFI_DRIVER UEFI_APPLICATION
   CONSTRUCTOR                    = PlatformRomDebugLibIoPortConstructor
 
 #
@@ -24,10 +23,10 @@ [Defines]
 #
 
 [Sources]
-  DebugIoPortQemu.c
+  DebugIoPortNocheck.c
   DebugLib.c
-  DebugLibDetect.h
   DebugLibDetectRom.c
+  DebugLibDetect.h
 
 [Packages]
   MdePkg/MdePkg.dec
diff --git a/OvmfPkg/Library/PlatformDebugLibIoPort/DebugIoPortNocheck.c b/OvmfPkg/Library/PlatformDebugLibIoPort/DebugIoPortNocheck.c
new file mode 100644
index 000000000000..0ef7920a8fb8
--- /dev/null
+++ b/OvmfPkg/Library/PlatformDebugLibIoPort/DebugIoPortNocheck.c
@@ -0,0 +1,25 @@
+/** @file
+  Dectection code for hypervisor debug port.
+
+  Copyright (c) 2020, Citrix Systems, Inc.
+  SPDX-License-Identifier: BSD-2-Clause-Patent
+
+**/
+
+#include "DebugLibDetect.h"
+
+/**
+  Always return TRUE without detection as the debug I/O port is always
+  present.
+
+  @retval TRUE   The debug I/O port is always present.
+
+**/
+BOOLEAN
+EFIAPI
+PlatformDebugLibIoPortDetect (
+  VOID
+  )
+{
+  return TRUE;
+}
-- 
Anthony PERARD