[PATCH v3 3/4] OvmfPkg: add QemuRamfb to platform console

[Gerd Hoffmann <kraxel@redhat.com>]

Add QemuRamfbDxe device path to the list of platform console devices,
so ConSplitter will pick up the device even though it isn't a PCI GPU.

Contributed-under: TianoCore Contribution Agreement 1.1
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Laszlo Ersek <lersek@redhat.com>
---
 .../Library/PlatformBootManagerLib/PlatformData.c  | 51 ++++++++++++++++++++++
 1 file changed, 51 insertions(+)

diff --git a/OvmfPkg/Library/PlatformBootManagerLib/PlatformData.c b/OvmfPkg/Library/PlatformBootManagerLib/PlatformData.c
index a50cd7bcaf..1250a6d351 100644
--- a/OvmfPkg/Library/PlatformBootManagerLib/PlatformData.c
+++ b/OvmfPkg/Library/PlatformBootManagerLib/PlatformData.c
@@ -14,6 +14,7 @@
 **/
 
 #include "BdsPlatform.h"
+#include <Guid/QemuRamfb.h>
 
 //
 // Debug Agent UART Device Path structure
@@ -37,6 +38,17 @@ typedef struct {
 } USB_KEYBOARD_DEVICE_PATH;
 #pragma pack ()
 
+//
+// QemuRamfb Device Path structure
+//
+#pragma pack (1)
+typedef struct {
+  VENDOR_DEVICE_PATH        Vendor;
+  ACPI_ADR_DEVICE_PATH      AcpiAdr;
+  EFI_DEVICE_PATH_PROTOCOL  End;
+} VENDOR_RAMFB_DEVICE_PATH;
+#pragma pack ()
+
 ACPI_HID_DEVICE_PATH       gPnpPs2KeyboardDeviceNode  = gPnpPs2Keyboard;
 ACPI_HID_DEVICE_PATH       gPnp16550ComPortDeviceNode = gPnp16550ComPort;
 UART_DEVICE_PATH           gUartDeviceNode            = gUart;
@@ -100,6 +112,41 @@ STATIC USB_KEYBOARD_DEVICE_PATH gUsbKeyboardDevicePath = {
   gEndEntire
 };
 
+STATIC VENDOR_RAMFB_DEVICE_PATH gQemuRamfbDevicePath = {
+  {
+    {
+      HARDWARE_DEVICE_PATH,
+      HW_VENDOR_DP,
+      {
+        (UINT8) (sizeof (VENDOR_DEVICE_PATH)),
+        (UINT8) ((sizeof (VENDOR_DEVICE_PATH)) >> 8)
+      }
+    },
+    QEMU_RAMFB_GUID,
+  },
+  {
+    {
+      ACPI_DEVICE_PATH,
+      ACPI_ADR_DP,
+      {
+        (UINT8) (sizeof (ACPI_ADR_DEVICE_PATH)),
+        (UINT8) ((sizeof (ACPI_ADR_DEVICE_PATH)) >> 8)
+      }
+    },
+    ACPI_DISPLAY_ADR (
+      1,                                       // DeviceIdScheme
+      0,                                       // HeadId
+      0,                                       // NonVgaOutput
+      1,                                       // BiosCanDetect
+      0,                                       // VendorInfo
+      ACPI_ADR_DISPLAY_TYPE_EXTERNAL_DIGITAL,  // Type
+      0,                                       // Port
+      0                                        // Index
+      ),
+  },
+  gEndEntire
+};
+
 //
 // Predefined platform default console device path
 //
@@ -113,6 +160,10 @@ PLATFORM_CONSOLE_CONNECT_ENTRY   gPlatformConsole[] = {
     CONSOLE_IN
   },
   {
+    (EFI_DEVICE_PATH_PROTOCOL *)&gQemuRamfbDevicePath,
+    CONSOLE_OUT
+  },
+  {
     NULL,
     0
   }
-- 
2.9.3