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authorqwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>2007-02-12 02:53:23 +0000
committerqwang12 <qwang12@6f19259b-4bc3-4df7-8a09-765794883524>2007-02-12 02:53:23 +0000
commitd958721a06dce3aa0fc941c115db86e3f91254f7 (patch)
tree8d50534635c77090ce448928efad69c012729bfb /MdePkg/Library/DxeIoLibCpuIo
parent2f714ebf9ae8c680be7b6f19a2529b4a5e684577 (diff)
downloadedk2-platforms-d958721a06dce3aa0fc941c115db86e3f91254f7.tar.xz
1) Added BIT0, BIT1, …, BIT63 to the Base Defines
2) Added MIN() and MAX() macros to the Base Macros 3) Added StrStr(), StrDecimalToUnitn(), StrDecimalToUint64(), StrHexToUintn(), StrHexToUintn64(), UnicodeToAscii(), AsciiStrStr(), AsciiStrDecimalToUnitn(), AsciiStrDecimalToUint64(), AsciiStrHexToUintn(), AsciiStrHexToUintn64(), and AsciiToUnicode() to the Base Library String Functions 4) Added the Base Library Checksum Functions which include CalculateSum8(), CaclculateCheckSum8(), CalculateSum16(), CalculateChecksum16(), CalculateSum32(), CalculateCheckSum32(), CalculateSum64(), CalculateChecksum64(). 5) Added MMIO Buffer functions to the I/O Library including MmioReadBuffer8(), MmioReadBuffer16(), MmioReadBuffer32(), MmioReadBuffer64(), MmioWriteBuffer8(), MmioWriteBuffer16(), MmioWriteBuffer32(), MmioWriteBuffer64(). 6) Changed the parameter name from SizeOfValue to SizeOfBuffer in PcdSetPtr(), PcdSetPtrEx(), PatchPcdSetPtr(), LibPcdSetPtr(), LibPcdSetPtrEx(), LibPatchPcdSetPtr() 7) Added RADIX_HEX flag to the Print Library to support the conversion of values to hexadecimal strings in UnicodeValueToString() and AsciiValueToString() 8) Added EfiGetCurrentTpl() UEFI Library. git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@2363 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/DxeIoLibCpuIo')
-rw-r--r--MdePkg/Library/DxeIoLibCpuIo/DxeIoLibCpuIo.msa13
-rw-r--r--MdePkg/Library/DxeIoLibCpuIo/IoLibMmioBuffer.c409
2 files changed, 416 insertions, 6 deletions
diff --git a/MdePkg/Library/DxeIoLibCpuIo/DxeIoLibCpuIo.msa b/MdePkg/Library/DxeIoLibCpuIo/DxeIoLibCpuIo.msa
index c72b8f34c5..0ee234ec26 100644
--- a/MdePkg/Library/DxeIoLibCpuIo/DxeIoLibCpuIo.msa
+++ b/MdePkg/Library/DxeIoLibCpuIo/DxeIoLibCpuIo.msa
@@ -6,14 +6,14 @@
<GuidValue>e94cd42a-3aad-4ea0-9b09-945891c60ccd</GuidValue>
<Version>1.0</Version>
<Abstract>Component description file for Cpu Io Dxe Io Library.</Abstract>
- <Description>I/O Library implementation that uses the CPU I/O Protocol for I/O
+ <Description>I/O Library implementation that uses the CPU I/O Protocol for I/O
and MMIO operations.</Description>
<Copyright>Copyright (c) 2006, Intel Corporation.</Copyright>
- <License>All rights reserved. This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ <License>All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.</License>
<Specification>FRAMEWORK_BUILD_PACKAGING_SPECIFICATION 0x00000052</Specification>
</MsaHeader>
@@ -40,6 +40,7 @@
<Filename>IoLib.c</Filename>
<Filename>IoHighLevel.c</Filename>
<Filename>DxeCpuIoLibInternal.h</Filename>
+ <Filename>IoLibMmioBuffer.c</Filename>
</SourceFiles>
<PackageDependencies>
<Package PackageGuid="5e0e9358-46b6-4ae2-8218-4ab8b9bbdcec"/>
diff --git a/MdePkg/Library/DxeIoLibCpuIo/IoLibMmioBuffer.c b/MdePkg/Library/DxeIoLibCpuIo/IoLibMmioBuffer.c
new file mode 100644
index 0000000000..b8e6d83665
--- /dev/null
+++ b/MdePkg/Library/DxeIoLibCpuIo/IoLibMmioBuffer.c
@@ -0,0 +1,409 @@
+/** @file
+ I/O Library MMIO Buffer Functions.
+
+ Copyright (c) 2007, Intel Corporation<BR>
+ All rights reserved. This program and the accompanying materials
+ are licensed and made available under the terms and conditions of the BSD License
+ which accompanies this distribution. The full text of the license may be found at
+ http://opensource.org/licenses/bsd-license.php
+
+ THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+
+**/
+
+/**
+ Copy data from MMIO region to system memory by using 8-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 8-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT8 *
+EFIAPI
+MmioReadBuffer8 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT8 *Buffer
+ )
+{
+ UINT8 *ReturnBuffer;
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ReturnBuffer = Buffer;
+
+ while (Length--) {
+ *(Buffer++) = MmioRead8 (StartAddress++);
+ }
+
+ return ReturnBuffer;
+}
+
+/**
+ Copy data from MMIO region to system memory by using 16-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 16-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT16 *
+EFIAPI
+MmioReadBuffer16 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT16 *Buffer
+ )
+{
+ UINT16 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT16) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT16) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT16) - 1)) == 0);
+
+ ReturnBuffer = Buffer;
+
+ while (Length) {
+ *(Buffer++) = MmioRead16 (StartAddress);
+ StartAddress += sizeof (UINT16);
+ Length -= sizeof (UINT16);
+ }
+
+ return ReturnBuffer;
+}
+
+/**
+ Copy data from MMIO region to system memory by using 32-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 32-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT32 *
+EFIAPI
+MmioReadBuffer32 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT32 *Buffer
+ )
+{
+ UINT32 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT32) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT32) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT32) - 1)) == 0);
+
+ ReturnBuffer = Buffer;
+
+ while (Length) {
+ *(Buffer++) = MmioRead32 (StartAddress);
+ StartAddress += sizeof (UINT32);
+ Length -= sizeof (UINT32);
+ }
+
+ return ReturnBuffer;
+}
+
+/**
+ Copy data from MMIO region to system memory by using 64-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 64-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT64 *
+EFIAPI
+MmioReadBuffer64 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT64 *Buffer
+ )
+{
+ UINT64 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT64) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT64) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT64) - 1)) == 0);
+
+ ReturnBuffer = Buffer;
+
+ while (Length) {
+ *(Buffer++) = MmioRead64 (StartAddress);
+ StartAddress += sizeof (UINT64);
+ Length -= sizeof (UINT64);
+ }
+
+ return ReturnBuffer;
+}
+
+
+/**
+ Copy data from system memory to MMIO region by using 8-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 8-bit access. The total number
+ of byte to be copied is specified by Length. Buffer is returned.
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT8 *
+EFIAPI
+MmioWriteBuffer8 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT8 *Buffer
+ )
+{
+ VOID* ReturnBuffer;
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ReturnBuffer = (UINT8 *) Buffer;
+
+ while (Length--) {
+ MmioWrite8 (StartAddress++, *(Buffer++));
+ }
+
+ return ReturnBuffer;
+
+}
+
+/**
+ Copy data from system memory to MMIO region by using 16-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 16-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT16 *
+EFIAPI
+MmioWriteBuffer16 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT16 *Buffer
+ )
+{
+ UINT16 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT16) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT16) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT16) - 1)) == 0);
+
+ ReturnBuffer = (UINT16 *) Buffer;
+
+ while (Length) {
+ MmioWrite16 (StartAddress, *(Buffer++));
+
+ StartAddress += sizeof (UINT16);
+ Length -= sizeof (UINT16);
+ }
+
+ return ReturnBuffer;
+}
+
+
+/**
+ Copy data from system memory to MMIO region by using 32-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 32-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT32 *
+EFIAPI
+MmioWriteBuffer32 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT32 *Buffer
+ )
+{
+ UINT32 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT32) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT32) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT32) - 1)) == 0);
+
+ ReturnBuffer = (UINT32 *) Buffer;
+
+ while (Length) {
+ MmioWrite32 (StartAddress, *(Buffer++));
+
+ StartAddress += sizeof (UINT32);
+ Length -= sizeof (UINT32);
+ }
+
+ return ReturnBuffer;
+}
+
+/**
+ Copy data from system memory to MMIO region by using 64-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 64-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT64 *
+EFIAPI
+MmioWriteBuffer64 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT64 *Buffer
+ )
+{
+ UINT64 *ReturnBuffer;
+
+ ASSERT ((StartAddress & (sizeof (UINT64) - 1)) == 0);
+
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - StartAddress));
+ ASSERT ((Length - 1) <= (MAX_ADDRESS - (UINTN) Buffer));
+
+ ASSERT ((Length & (sizeof (UINT64) - 1)) == 0);
+ ASSERT (((UINTN) Buffer & (sizeof (UINT64) - 1)) == 0);
+
+ ReturnBuffer = (UINT64 *) Buffer;
+
+ while (Length) {
+ MmioWrite64 (StartAddress, *(Buffer++));
+
+ StartAddress += sizeof (UINT64);
+ Length -= sizeof (UINT64);
+ }
+
+ return ReturnBuffer;
+}
+
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