Add DevicePathFromText support for ACPI _ADR node.

[mirror_edk2.git] / MdeModulePkg / Universal / DevicePathDxe / DevicePathFromText.c

diff --git a/MdeModulePkg/Universal/DevicePathDxe/DevicePathFromText.c b/MdeModulePkg/Universal/DevicePathDxe/DevicePathFromText.c
index 162b0e9ef4f89ada7d9888c3cfc9610cd190cf4a..00f44f803c60e6796491268642bfa49e959da161 100644 (file)
--- a/MdeModulePkg/Universal/DevicePathDxe/DevicePathFromText.c
+++ b/MdeModulePkg/Universal/DevicePathDxe/DevicePathFromText.c
@@ -1,7 +1,7 @@
 /** @file\r
   DevicePathFromText protocol as defined in the UEFI 2.0 specification.\r
 \r
-Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>\r
+Copyright (c) 2006 - 2011, Intel Corporation. All rights reserved.<BR>\r
 This program and the accompanying materials\r
 are licensed and made available under the terms and conditions of the BSD License\r
 which accompanies this distribution.  The full text of the license may be found at\r
@@ -1137,6 +1137,51 @@ DevPathFromTextAcpiExp (
   return (EFI_DEVICE_PATH_PROTOCOL *) AcpiEx;\r
 }\r
 \r
+/**\r
+  Converts a text device path node to ACPI _ADR device path structure.\r
+\r
+  @param TextDeviceNode  The input Text device path node.\r
+\r
+  @return A pointer to the newly-created ACPI _ADR device path structure.\r
+\r
+**/\r
+EFI_DEVICE_PATH_PROTOCOL *\r
+DevPathFromTextAcpiAdr (\r
+  IN CHAR16 *TextDeviceNode\r
+  )\r
+{\r
+  CHAR16                *DisplayDeviceStr;\r
+  ACPI_ADR_DEVICE_PATH  *AcpiAdr;\r
+  UINTN                 Index;\r
+\r
+  AcpiAdr = (ACPI_ADR_DEVICE_PATH *) CreateDeviceNode (\r
+                                       ACPI_DEVICE_PATH,\r
+                                       ACPI_ADR_DP,\r
+                                       sizeof (ACPI_ADR_DEVICE_PATH)\r
+                                       );\r
+  ASSERT (AcpiAdr != NULL);\r
+\r
+  for (Index = 0; ; Index++) {\r
+    DisplayDeviceStr = GetNextParamStr (&TextDeviceNode);\r
+    if (IS_NULL (*DisplayDeviceStr)) {\r
+      break;\r
+    }\r
+    if (Index > 0) {\r
+      AcpiAdr = ReallocatePool (\r
+                  DevicePathNodeLength (AcpiAdr),\r
+                  DevicePathNodeLength (AcpiAdr) + sizeof (UINT32),\r
+                  AcpiAdr\r
+                  );\r
+      ASSERT (AcpiAdr != NULL);\r
+      SetDevicePathNodeLength (AcpiAdr, DevicePathNodeLength (AcpiAdr) + sizeof (UINT32));\r
+    }\r
+    \r
+    (&AcpiAdr->ADR)[Index] = (UINT32) Strtoi (DisplayDeviceStr);\r
+  }\r
+\r
+  return (EFI_DEVICE_PATH_PROTOCOL *) AcpiAdr;\r
+}\r
+\r
 /**\r
   Converts a text device path node to Parallel Port device path structure.\r
 \r
@@ -2769,6 +2814,7 @@ GLOBAL_REMOVE_IF_UNREFERENCED DEVICE_PATH_FROM_TEXT_TABLE DevPathFromTextTable[]
   {L"ParallelPort", DevPathFromTextParallelPort},\r
   {L"AcpiEx", DevPathFromTextAcpiEx},\r
   {L"AcpiExp", DevPathFromTextAcpiExp},\r
+  {L"AcpiAdr", DevPathFromTextAcpiAdr},\r
   {L"Ata", DevPathFromTextAta},\r
   {L"Scsi", DevPathFromTextScsi},\r
   {L"Fibre", DevPathFromTextFibre},\r