MdeModulePkg: Replace BSD License with BSD+Patent License

[mirror_edk2.git] / MdeModulePkg / Bus / Pci / PciBusDxe / PciRomTable.c

diff --git a/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c b/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
index 9addcf920af3cc028de07dae928b7e281ab55d25..5575a364a15ddd449c550838bdbdc122c6b4d0b3 100644 (file)
--- a/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
+++ b/MdeModulePkg/Bus/Pci/PciBusDxe/PciRomTable.c
@@ -1,14 +1,8 @@
 /** @file\r
   Set up ROM Table for PCI Bus module.\r
 \r
-Copyright (c) 2006 - 2009, Intel Corporation\r
-All rights reserved. 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
-http://opensource.org/licenses/bsd-license.php\r
-\r
-THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
-WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+Copyright (c) 2006 - 2017, Intel Corporation. All rights reserved.<BR>\r
+SPDX-License-Identifier: BSD-2-Clause-Patent\r
 \r
 **/\r
 \r
@@ -23,13 +17,13 @@ typedef struct {
   UINT8       Bus;\r
   UINT8       Dev;\r
   UINT8       Func;\r
-  UINT64      RomAddress;\r
-  UINT64      RomLength;\r
-} EFI_PCI_ROM_IMAGE_MAPPING;\r
+  VOID        *RomImage;\r
+  UINT64      RomSize;\r
+} PCI_ROM_IMAGE;\r
 \r
-UINTN                      mNumberOfPciRomImages     = 0;\r
-UINTN                      mMaxNumberOfPciRomImages  = 0;\r
-EFI_PCI_ROM_IMAGE_MAPPING  *mRomImageTable           = NULL;\r
+UINTN          mNumberOfPciRomImages     = 0;\r
+UINTN          mMaxNumberOfPciRomImages  = 0;\r
+PCI_ROM_IMAGE  *mRomImageTable           = NULL;\r
 \r
 /**\r
   Add the Rom Image to internal database for later PCI light enumeration.\r
@@ -39,9 +33,8 @@ EFI_PCI_ROM_IMAGE_MAPPING  *mRomImageTable           = NULL;
   @param Bus            Bus NO of PCI space.\r
   @param Dev            Dev NO of PCI space.\r
   @param Func           Func NO of PCI space.\r
-  @param RomAddress     Base address of OptionRom.\r
-  @param RomLength      Length of rom image.\r
-\r
+  @param RomImage       Option Rom buffer.\r
+  @param RomSize        Size of Option Rom buffer.\r
 **/\r
 VOID\r
 PciRomAddImageMapping (\r
@@ -50,39 +43,58 @@ PciRomAddImageMapping (
   IN  UINT8       Bus,\r
   IN  UINT8       Dev,\r
   IN  UINT8       Func,\r
-  IN  UINT64      RomAddress,\r
-  IN  UINT64      RomLength\r
+  IN  VOID        *RomImage,\r
+  IN  UINT64      RomSize\r
   )\r
 {\r
-  EFI_PCI_ROM_IMAGE_MAPPING *TempMapping;\r
-\r
-  if (mNumberOfPciRomImages >= mMaxNumberOfPciRomImages) {\r
-\r
-    mMaxNumberOfPciRomImages += 0x20;\r
+  UINTN           Index;\r
+  PCI_ROM_IMAGE   *NewTable;\r
 \r
-    TempMapping = NULL;\r
-    TempMapping = AllocatePool (mMaxNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r
-    if (TempMapping == NULL) {\r
-      return ;\r
+  for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r
+    if (mRomImageTable[Index].Seg  == Seg &&\r
+        mRomImageTable[Index].Bus  == Bus &&\r
+        mRomImageTable[Index].Dev  == Dev &&\r
+        mRomImageTable[Index].Func == Func) {\r
+      //\r
+      // Expect once RomImage and RomSize are recorded, they will be passed in\r
+      // later when updating ImageHandle\r
+      //\r
+      ASSERT ((mRomImageTable[Index].RomImage == NULL) || (RomImage == mRomImageTable[Index].RomImage));\r
+      ASSERT ((mRomImageTable[Index].RomSize  == 0   ) || (RomSize  == mRomImageTable[Index].RomSize ));\r
+      break;\r
     }\r
+  }\r
 \r
-    CopyMem (TempMapping, mRomImageTable, mNumberOfPciRomImages * sizeof (EFI_PCI_ROM_IMAGE_MAPPING));\r
+  if (Index == mNumberOfPciRomImages) {\r
+    //\r
+    // Rom Image Table buffer needs to grow.\r
+    //\r
+    if (mNumberOfPciRomImages == mMaxNumberOfPciRomImages) {\r
+      NewTable = ReallocatePool (\r
+                   mMaxNumberOfPciRomImages * sizeof (PCI_ROM_IMAGE),\r
+                   (mMaxNumberOfPciRomImages + 0x20) * sizeof (PCI_ROM_IMAGE),\r
+                   mRomImageTable\r
+                   );\r
+      if (NewTable == NULL) {\r
+        return ;\r
+      }\r
 \r
-    if (mRomImageTable != NULL) {\r
-      FreePool (mRomImageTable);\r
+      mRomImageTable            = NewTable;\r
+      mMaxNumberOfPciRomImages += 0x20;\r
     }\r
-\r
-    mRomImageTable = TempMapping;\r
+    //\r
+    // Record the new PCI device\r
+    //\r
+    mRomImageTable[Index].Seg  = Seg;\r
+    mRomImageTable[Index].Bus  = Bus;\r
+    mRomImageTable[Index].Dev  = Dev;\r
+    mRomImageTable[Index].Func = Func;\r
+    mNumberOfPciRomImages++;\r
   }\r
 \r
-  mRomImageTable[mNumberOfPciRomImages].ImageHandle = ImageHandle;\r
-  mRomImageTable[mNumberOfPciRomImages].Seg         = Seg;\r
-  mRomImageTable[mNumberOfPciRomImages].Bus         = Bus;\r
-  mRomImageTable[mNumberOfPciRomImages].Dev         = Dev;\r
-  mRomImageTable[mNumberOfPciRomImages].Func        = Func;\r
-  mRomImageTable[mNumberOfPciRomImages].RomAddress  = RomAddress;\r
-  mRomImageTable[mNumberOfPciRomImages].RomLength   = RomLength;\r
-  mNumberOfPciRomImages++;\r
+  mRomImageTable[Index].ImageHandle = ImageHandle;\r
+  mRomImageTable[Index].RomImage    = RomImage;\r
+  mRomImageTable[Index].RomSize     = RomSize;\r
 }\r
 \r
 /**\r
@@ -101,26 +113,23 @@ PciRomGetImageMapping (
 {\r
   EFI_PCI_ROOT_BRIDGE_IO_PROTOCOL *PciRootBridgeIo;\r
   UINTN                           Index;\r
-  BOOLEAN                         Found;\r
 \r
   PciRootBridgeIo = PciIoDevice->PciRootBridgeIo;\r
-  Found           = FALSE;\r
 \r
   for (Index = 0; Index < mNumberOfPciRomImages; Index++) {\r
     if (mRomImageTable[Index].Seg  == PciRootBridgeIo->SegmentNumber &&\r
         mRomImageTable[Index].Bus  == PciIoDevice->BusNumber         &&\r
         mRomImageTable[Index].Dev  == PciIoDevice->DeviceNumber      &&\r
         mRomImageTable[Index].Func == PciIoDevice->FunctionNumber    ) {\r
-        Found = TRUE;\r
 \r
       if (mRomImageTable[Index].ImageHandle != NULL) {\r
-        AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle);\r
-      } else {\r
-        PciIoDevice->PciIo.RomImage = (VOID *) (UINTN) mRomImageTable[Index].RomAddress;\r
-        PciIoDevice->PciIo.RomSize  = (UINTN) mRomImageTable[Index].RomLength;\r
+        AddDriver (PciIoDevice, mRomImageTable[Index].ImageHandle, NULL);\r
       }\r
+      PciIoDevice->PciIo.RomImage = mRomImageTable[Index].RomImage;\r
+      PciIoDevice->PciIo.RomSize  = mRomImageTable[Index].RomSize;\r
+      return TRUE;\r
     }\r
   }\r
 \r
-  return Found;\r
+  return FALSE;\r
 }\r