PciLib:

	For PciRead/WriteBuffer(): A fix to handle boundary cases when Size is 0;
	DevicePathLib:
	For FileDevicePath(): Change to use AppendDevicePath () in place of AppendDevicePathNode(). 
	PrintLib:
	For type %p, according to current MWG, it should ignore flag 0, +, space, l, & L
	Misc:
	Fix a bug in EBC interpreter for Ia32. 


git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@796 6f19259b-4bc3-4df7-8a09-765794883524

5 files changed, 59 insertions, 31 deletions

diff --git a/MdePkg/Library/BasePciCf8Lib/PciLib.c b/MdePkg/Library/BasePciCf8Lib/PciLib.c
index a3897bfaa4..9421d8b99d 100644
--- a/MdePkg/Library/BasePciCf8Lib/PciLib.c
+++ b/MdePkg/Library/BasePciCf8Lib/PciLib.c
@@ -1299,11 +1299,16 @@ PciCf8ReadBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress, 0);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x100);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != NULL);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1) != 0)) {

+  if ((StartAddress & 1) != 0) {

     //

     // Read a byte if StartAddress is byte aligned

     //

@@ -1386,11 +1391,16 @@ PciCf8WriteBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress, 0);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x100);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != 0);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1)!= 0)) {

+  if ((StartAddress & 1)!= 0) {

     //

     // Write a byte if StartAddress is byte aligned

     //

diff --git a/MdePkg/Library/BasePciExpressLib/PciLib.c b/MdePkg/Library/BasePciExpressLib/PciLib.c
index 036994aa7b..acd3103483 100644
--- a/MdePkg/Library/BasePciExpressLib/PciLib.c
+++ b/MdePkg/Library/BasePciExpressLib/PciLib.c
@@ -1196,11 +1196,16 @@ PciExpressReadBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != NULL);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1) != 0)) {

+  if ((StartAddress & 1) != 0) {

     //

     // Read a byte if StartAddress is byte aligned

     //

@@ -1282,11 +1287,16 @@ PciExpressWriteBuffer (
 

   ASSERT_INVALID_PCI_ADDRESS (StartAddress);

   ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);

-  ASSERT ((Buffer != NULL) || (Size == 0));

+

+  if (Size == 0) {

+    return 0;

+  }

+

+  ASSERT (Buffer != NULL);

 

   EndAddress = StartAddress + Size;

 

-  if ((StartAddress < EndAddress) && ((StartAddress & 1) != 0)) {

+  if ((StartAddress & 1) != 0) {

     //

     // Write a byte if StartAddress is byte aligned

     //

diff --git a/MdePkg/Library/BasePrintLib/PrintLib.c b/MdePkg/Library/BasePrintLib/PrintLib.c
index d33f49d388..33da6cb6b0 100644
--- a/MdePkg/Library/BasePrintLib/PrintLib.c
+++ b/MdePkg/Library/BasePrintLib/PrintLib.c
@@ -236,7 +236,7 @@ BasePrintLibVSPrint (
           Format   -= BytesPerFormatCharacter;

           Precision = 0;

           //

-          // break skiped on purpose.

+          // break skipped on purpose.

           //

         default:

           Done = TRUE;

@@ -256,18 +256,22 @@ BasePrintLibVSPrint (
       //

       switch (FormatCharacter) {

       case 'p':

+        //

+        // Flag space, +, 0, L & l are invalid for type p.

+        //

+        Flags &= ~(PREFIX_BLANK | PREFIX_SIGN | PREFIX_ZERO | LONG_TYPE);

         if (sizeof (VOID *) > 4) {

           Flags |= LONG_TYPE;

         }

       case 'X':

         Flags |= PREFIX_ZERO;

         //

-        // break skiped on purpose

+        // break skipped on purpose

         //

       case 'x':

         Flags |= RADIX_HEX;

         //

-        // break skiped on purpose

+        // break skipped on purpose

         //

       case 'd':

         if ((Flags & LONG_TYPE) == 0) {

diff --git a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
index 31a0462f07..e05736bbb7 100644
--- a/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
+++ b/MdePkg/Library/UefiDevicePathLib/UefiDevicePathLib.c
@@ -496,24 +496,26 @@ FileDevicePath (
   UINTN                     Size;

   FILEPATH_DEVICE_PATH      *FilePath;

   EFI_DEVICE_PATH_PROTOCOL  *DevicePath;

-  EFI_DEVICE_PATH_PROTOCOL  *FileDevicePathNode;

+  EFI_DEVICE_PATH_PROTOCOL  *FileDevicePath;

 

   DevicePath = NULL;

 

   Size = StrSize (FileName);

-  FileDevicePathNode = CreateDeviceNode (

-                         MEDIA_DEVICE_PATH,

-                         MEDIA_FILEPATH_DP,

-                         (UINT16) (Size + SIZE_OF_FILEPATH_DEVICE_PATH)

-                         );

-  if (FileDevicePathNode != NULL) {

-    FilePath = (FILEPATH_DEVICE_PATH *) FileDevicePathNode;

+  FileDevicePath = AllocatePool (Size + SIZE_OF_FILEPATH_DEVICE_PATH + EFI_END_DEVICE_PATH_LENGTH);

+  if (FileDevicePath != NULL) {

+    FilePath = (FILEPATH_DEVICE_PATH *) FileDevicePath;

+    FilePath->Header.Type    = MEDIA_DEVICE_PATH;

+    FilePath->Header.SubType = MEDIA_FILEPATH_DP;

     CopyMem (&FilePath->PathName, FileName, Size);

+    SetDevicePathNodeLength (&FilePath->Header, Size + SIZE_OF_FILEPATH_DEVICE_PATH);

+    SetDevicePathEndNode (NextDevicePathNode (&FilePath->Header));

+

     if (Device != NULL) {

       DevicePath = DevicePathFromHandle (Device);

     }

-    DevicePath = AppendDevicePathNode (DevicePath, FileDevicePathNode);

-    FreePool (FileDevicePathNode);

+

+    DevicePath = AppendDevicePath (DevicePath, FileDevicePath);

+    FreePool (FileDevicePath);

   }

 

   return DevicePath;

diff --git a/MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLib.c b/MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLib.c
index ec4325cf39..ec9b4aa321 100644
--- a/MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLib.c
+++ b/MdePkg/Library/UefiDevicePathLibDevicePathProtocol/UefiDevicePathLib.c
@@ -321,24 +321,26 @@ FileDevicePath (
   UINTN                     Size;

   FILEPATH_DEVICE_PATH      *FilePath;

   EFI_DEVICE_PATH_PROTOCOL  *DevicePath;

-  EFI_DEVICE_PATH_PROTOCOL  *FileDevicePathNode;

+  EFI_DEVICE_PATH_PROTOCOL  *FileDevicePath;

 

   DevicePath = NULL;

 

   Size = StrSize (FileName);

-  FileDevicePathNode = CreateDeviceNode (

-                         MEDIA_DEVICE_PATH,

-                         MEDIA_FILEPATH_DP,

-                         (UINT16) (Size + SIZE_OF_FILEPATH_DEVICE_PATH)

-                         );

-  if (FileDevicePathNode != NULL) {

-    FilePath = (FILEPATH_DEVICE_PATH *) FileDevicePathNode;

+  FileDevicePath = AllocatePool (Size + SIZE_OF_FILEPATH_DEVICE_PATH + EFI_END_DEVICE_PATH_LENGTH);

+  if (FileDevicePath != NULL) {

+    FilePath = (FILEPATH_DEVICE_PATH *) FileDevicePath;

+    FilePath->Header.Type    = MEDIA_DEVICE_PATH;

+    FilePath->Header.SubType = MEDIA_FILEPATH_DP;

     CopyMem (&FilePath->PathName, FileName, Size);

+    SetDevicePathNodeLength (&FilePath->Header, Size + SIZE_OF_FILEPATH_DEVICE_PATH);

+    SetDevicePathEndNode (NextDevicePathNode (&FilePath->Header));

+

     if (Device != NULL) {

       DevicePath = DevicePathFromHandle (Device);

     }

-    DevicePath = AppendDevicePathNode (DevicePath, FileDevicePathNode);

-    FreePool (FileDevicePathNode);

+

+    DevicePath = AppendDevicePath (DevicePath, FileDevicePath);

+    FreePool (FileDevicePath);

   }

 

   return DevicePath;