diff options
| author | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-19 07:09:45 +0000 |
|---|---|---|
| committer | xli24 <xli24@6f19259b-4bc3-4df7-8a09-765794883524> | 2009-05-19 07:09:45 +0000 |
| commit | 5dc4fd785603177d77d186f0d8d56ce7613db2cf (patch) | |
| tree | 47c9d5cf594bc5ff7aa8cabe36b46c7cf5904a09 /MdePkg/Library/UefiPciLibPciRootBridgeIo | |
| parent | dfbb47dbd515a8c6bb0468bc72c537830c82baf1 (diff) | |
| download | edk2-platforms-5dc4fd785603177d77d186f0d8d56ce7613db2cf.tar.xz | |
Fix the unaligned issue of PCI read/write buffer.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@8333 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/UefiPciLibPciRootBridgeIo')
| -rw-r--r-- | MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c | 12 |
1 files changed, 6 insertions, 6 deletions
diff --git a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c index 1f23675364..913b97cc1a 100644 --- a/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c +++ b/MdePkg/Library/UefiPciLibPciRootBridgeIo/PciLib.c @@ -1286,7 +1286,7 @@ PciReadBuffer ( //
// Read a word if StartAddress is word aligned
//
- *(volatile UINT16 *)Buffer = PciRead16 (StartAddress);
+ WriteUnaligned16 (Buffer, PciRead16 (StartAddress));
StartAddress += sizeof (UINT16);
Size -= sizeof (UINT16);
Buffer = (UINT16*)Buffer + 1;
@@ -1296,7 +1296,7 @@ PciReadBuffer ( //
// Read as many double words as possible
//
- *(volatile UINT32 *)Buffer = PciRead32 (StartAddress);
+ WriteUnaligned32 (Buffer, PciRead32 (StartAddress));
StartAddress += sizeof (UINT32);
Size -= sizeof (UINT32);
Buffer = (UINT32*)Buffer + 1;
@@ -1306,7 +1306,7 @@ PciReadBuffer ( //
// Read the last remaining word if exist
//
- *(volatile UINT16 *)Buffer = PciRead16 (StartAddress);
+ WriteUnaligned16 (Buffer, PciRead16 (StartAddress));
StartAddress += sizeof (UINT16);
Size -= sizeof (UINT16);
Buffer = (UINT16*)Buffer + 1;
@@ -1384,7 +1384,7 @@ PciWriteBuffer ( //
// Write a word if StartAddress is word aligned
//
- PciWrite16 (StartAddress, *(UINT16*)Buffer);
+ PciWrite16 (StartAddress, ReadUnaligned16 (Buffer));
StartAddress += sizeof (UINT16);
Size -= sizeof (UINT16);
Buffer = (UINT16*)Buffer + 1;
@@ -1394,7 +1394,7 @@ PciWriteBuffer ( //
// Write as many double words as possible
//
- PciWrite32 (StartAddress, *(UINT32*)Buffer);
+ PciWrite32 (StartAddress, ReadUnaligned32 (Buffer));
StartAddress += sizeof (UINT32);
Size -= sizeof (UINT32);
Buffer = (UINT32*)Buffer + 1;
@@ -1404,7 +1404,7 @@ PciWriteBuffer ( //
// Write the last remaining word if exist
//
- PciWrite16 (StartAddress, *(UINT16*)Buffer);
+ PciWrite16 (StartAddress, ReadUnaligned16 (Buffer));
StartAddress += sizeof (UINT16);
Size -= sizeof (UINT16);
Buffer = (UINT16*)Buffer + 1;
|