diff options
| author | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
|---|---|---|
| committer | bbahnsen <bbahnsen@6f19259b-4bc3-4df7-8a09-765794883524> | 2006-04-21 22:54:32 +0000 |
| commit | 878ddf1fc3540a715f63594ed22b6929e881afb4 (patch) | |
| tree | c56c44dac138137b510e1fba7c3efe5e4d84bea2 /MdePkg/Library/BasePciExpressLib | |
| download | edk2-platforms-878ddf1fc3540a715f63594ed22b6929e881afb4.tar.xz | |
Initial import.
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@3 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg/Library/BasePciExpressLib')
| -rw-r--r-- | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.mbd | 30 | ||||
| -rw-r--r-- | MdePkg/Library/BasePciExpressLib/BasePciExpressLib.msa | 45 | ||||
| -rw-r--r-- | MdePkg/Library/BasePciExpressLib/PciLib.c | 1328 | ||||
| -rw-r--r-- | MdePkg/Library/BasePciExpressLib/build.xml | 47 |
4 files changed, 1450 insertions, 0 deletions
diff --git a/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.mbd b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.mbd new file mode 100644 index 0000000000..a7051c285a --- /dev/null +++ b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.mbd @@ -0,0 +1,30 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2006, Intel Corporation
+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.
+-->
+<LibraryModuleBuildDescription xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MbdLibHeader>
+ <BaseName>BasePciExpressLib</BaseName>
+ <Guid>287e50f4-a188-4699-b907-3e4080ca5688</Guid>
+ <Version>0</Version>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, 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,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ </License>
+ <Created>2006-03-09 23:16</Created>
+ <Modified>2006-03-19 15:17</Modified>
+ </MbdLibHeader>
+</LibraryModuleBuildDescription>
diff --git a/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.msa b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.msa new file mode 100644 index 0000000000..dd071189dc --- /dev/null +++ b/MdePkg/Library/BasePciExpressLib/BasePciExpressLib.msa @@ -0,0 +1,45 @@ +<?xml version="1.0" encoding="UTF-8"?>
+<!--
+Copyright (c) 2006, Intel Corporation
+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.
+-->
+<LibraryModuleSurfaceArea xmlns="http://www.TianoCore.org/2006/Edk2.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.TianoCore.org/2006/Edk2.0 http://www.TianoCore.org/2006/Edk2.0/SurfaceArea.xsd">
+ <MsaLibHeader>
+ <BaseName>BasePciExpressLib</BaseName>
+ <ModuleType>BASE</ModuleType>
+ <ComponentType>LIBRARY</ComponentType>
+ <Guid>287e50f4-a188-4699-b907-3e4080ca5688</Guid>
+ <Version>0</Version>
+ <Abstract>Component description file for the entry point to a EFIDXE Drivers</Abstract>
+ <Description>FIX ME!</Description>
+ <Copyright>Copyright (c) 2004-2006, 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,
+ WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
+ </License>
+ <Specification>0</Specification>
+ <Created>2006-03-09 23:16</Created>
+ <Updated>2006-03-19 15:17</Updated>
+ </MsaLibHeader>
+ <LibraryClassDefinitions>
+ <LibraryClass Usage="ALWAYS_PRODUCED">PciExpressLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">IoLib</LibraryClass>
+ <LibraryClass Usage="ALWAYS_CONSUMED">DebugLib</LibraryClass>
+ </LibraryClassDefinitions>
+ <SourceFiles>
+ <Filename>PciLib.c</Filename>
+ </SourceFiles>
+ <Includes>
+ <PackageName>MdePkg</PackageName>
+ </Includes>
+</LibraryModuleSurfaceArea>
diff --git a/MdePkg/Library/BasePciExpressLib/PciLib.c b/MdePkg/Library/BasePciExpressLib/PciLib.c new file mode 100644 index 0000000000..a3dab38ec3 --- /dev/null +++ b/MdePkg/Library/BasePciExpressLib/PciLib.c @@ -0,0 +1,1328 @@ +/** @file
+ PCI Library.
+
+ Functions in this library instance make use of MMIO functions in IoLib to
+ access memory mapped PCI configuration space.
+
+ All assertions for I/O operations are handled in MMIO functions in the IoLib
+ Library.
+
+ Copyright (c) 2006, 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.
+
+ Module Name: PciLib.c
+
+**/
+
+/**
+ Assert the validity of a PCI address. A valid PCI address should contain 1's
+ only in the low 28 bits.
+
+ @param A The address to validate.
+
+**/
+#define ASSERT_INVALID_PCI_ADDRESS(A) \
+ ASSERT (((A) & ~0xfffffff) == 0)
+
+
+UINTN
+EFIAPI
+GetPciExpressBaseAddress (
+ VOID
+ )
+{
+ /// @bug Change this to a PCD Get call to retrieve the PCI-E Base Address
+ return 0xc0000000;
+}
+
+/**
+ Reads an 8-bit PCI configuration register.
+
+ Reads and returns the 8-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressRead8 (
+ IN UINTN Address
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioRead8 (GetPciExpressBaseAddress () + Address);
+}
+
+/**
+ Writes an 8-bit PCI configuration register.
+
+ Writes the 8-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressWrite8 (
+ IN UINTN Address,
+ IN UINT8 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioWrite8 (GetPciExpressBaseAddress () + Address, Value);
+}
+
+/**
+ Performs a bitwise inclusive OR of an 8-bit PCI configuration register with
+ an 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressOr8 (
+ IN UINTN Address,
+ IN UINT8 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioOr8 (GetPciExpressBaseAddress () + Address, OrData);
+}
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressAnd8 (
+ IN UINTN Address,
+ IN UINT8 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAnd8 (GetPciExpressBaseAddress () + Address, AndData);
+}
+
+/**
+ Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
+ value, followed a bitwise inclusive OR with another 8-bit value.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressAndThenOr8 (
+ IN UINTN Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAndThenOr8 (
+ GetPciExpressBaseAddress () + Address,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in an 8-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldRead8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldRead8 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit
+ );
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 8-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldWrite8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldWrite8 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ Value
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 8-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldOr8 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 8-bit register.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 8-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldAnd8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAnd8 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData
+ );
+}
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 8-bit port.
+
+ Reads the 8-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 8-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If StartBit is greater than 7, then ASSERT().
+ If EndBit is greater than 7, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..7.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..7.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT8
+EFIAPI
+PciExpressBitFieldAndThenOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAndThenOr8 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a 16-bit PCI configuration register.
+
+ Reads and returns the 16-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressRead16 (
+ IN UINTN Address
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioRead16 (GetPciExpressBaseAddress () + Address);
+}
+
+/**
+ Writes a 16-bit PCI configuration register.
+
+ Writes the 16-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressWrite16 (
+ IN UINTN Address,
+ IN UINT16 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioWrite16 (GetPciExpressBaseAddress () + Address, Value);
+}
+
+/**
+ Performs a bitwise inclusive OR of a 16-bit PCI configuration register with
+ a 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressOr16 (
+ IN UINTN Address,
+ IN UINT16 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioOr16 (GetPciExpressBaseAddress () + Address, OrData);
+}
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressAnd16 (
+ IN UINTN Address,
+ IN UINT16 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAnd16 (GetPciExpressBaseAddress () + Address, AndData);
+}
+
+/**
+ Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
+ value, followed a bitwise inclusive OR with another 16-bit value.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressAndThenOr16 (
+ IN UINTN Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAndThenOr16 (
+ GetPciExpressBaseAddress () + Address,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 16-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldRead16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldRead16 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit
+ );
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 16-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldWrite16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldWrite16 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ Value
+ );
+}
+
+/**
+ Reads a bit field in a 16-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 16-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldOr16 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field in a 16-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 16-bit register.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 16-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldAnd16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAnd16 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData
+ );
+}
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 16-bit port.
+
+ Reads the 16-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 16-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 16-bit boundary, then ASSERT().
+ If StartBit is greater than 15, then ASSERT().
+ If EndBit is greater than 15, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..15.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..15.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT16
+EFIAPI
+PciExpressBitFieldAndThenOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAndThenOr16 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a 32-bit PCI configuration register.
+
+ Reads and returns the 32-bit PCI configuration register specified by Address.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+
+ @return The read value from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressRead32 (
+ IN UINTN Address
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioRead32 (GetPciExpressBaseAddress () + Address);
+}
+
+/**
+ Writes a 32-bit PCI configuration register.
+
+ Writes the 32-bit PCI configuration register specified by Address with the
+ value specified by Value. Value is returned. This function must guarantee
+ that all PCI read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param Value The value to write.
+
+ @return The value written to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressWrite32 (
+ IN UINTN Address,
+ IN UINT32 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioWrite32 (GetPciExpressBaseAddress () + Address, Value);
+}
+
+/**
+ Performs a bitwise inclusive OR of a 32-bit PCI configuration register with
+ a 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressOr32 (
+ IN UINTN Address,
+ IN UINT32 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioOr32 (GetPciExpressBaseAddress () + Address, OrData);
+}
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressAnd32 (
+ IN UINTN Address,
+ IN UINT32 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAnd32 (GetPciExpressBaseAddress () + Address, AndData);
+}
+
+/**
+ Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
+ value, followed a bitwise inclusive OR with another 32-bit value.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData,
+ performs a bitwise inclusive OR between the result of the AND operation and
+ the value specified by OrData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param Address Address that encodes the PCI Bus, Device, Function and
+ Register.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressAndThenOr32 (
+ IN UINTN Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioAndThenOr32 (
+ GetPciExpressBaseAddress () + Address,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field of a PCI configuration register.
+
+ Reads the bit field in a 32-bit PCI configuration register. The bit field is
+ specified by the StartBit and the EndBit. The value of the bit field is
+ returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+
+ @return The value of the bit field read from the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldRead32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldRead32 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit
+ );
+}
+
+/**
+ Writes a bit field to a PCI configuration register.
+
+ Writes Value to the bit field of the PCI configuration register. The bit
+ field is specified by the StartBit and the EndBit. All other bits in the
+ destination PCI configuration register are preserved. The new value of the
+ 32-bit register is returned.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param Value New value of the bit field.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldWrite32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldWrite32 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ Value
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit PCI configuration, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise inclusive OR between the read result and the value specified by
+ OrData, and writes the result to the 32-bit PCI configuration register
+ specified by Address. The value written to the PCI configuration register is
+ returned. This function must guarantee that all PCI read and write operations
+ are serialized. Extra left bits in OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param OrData The value to OR with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldOr32 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ OrData
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit PCI configuration register, performs a bitwise
+ AND, and writes the result back to the bit field in the 32-bit register.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND between the read result and the value specified by AndData, and
+ writes the result to the 32-bit PCI configuration register specified by
+ Address. The value written to the PCI configuration register is returned.
+ This function must guarantee that all PCI read and write operations are
+ serialized. Extra left bits in AndData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldAnd32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAnd32 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData
+ );
+}
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 32-bit port.
+
+ Reads the 32-bit PCI configuration register specified by Address, performs a
+ bitwise AND followed by a bitwise inclusive OR between the read result and
+ the value specified by AndData, and writes the result to the 32-bit PCI
+ configuration register specified by Address. The value written to the PCI
+ configuration register is returned. This function must guarantee that all PCI
+ read and write operations are serialized. Extra left bits in both AndData and
+ OrData are stripped.
+
+ If Address > 0x0FFFFFFF, then ASSERT().
+ If Address is not aligned on a 32-bit boundary, then ASSERT().
+ If StartBit is greater than 31, then ASSERT().
+ If EndBit is greater than 31, then ASSERT().
+ If EndBit is less than or equal to StartBit, then ASSERT().
+
+ @param Address PCI configuration register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..31.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..31.
+ @param AndData The value to AND with the PCI configuration register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the PCI configuration register.
+
+**/
+UINT32
+EFIAPI
+PciExpressBitFieldAndThenOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ )
+{
+ ASSERT_INVALID_PCI_ADDRESS (Address);
+ return MmioBitFieldAndThenOr32 (
+ GetPciExpressBaseAddress () + Address,
+ StartBit,
+ EndBit,
+ AndData,
+ OrData
+ );
+}
+
+/**
+ Reads a range of PCI configuration registers into a caller supplied buffer.
+
+ Reads the range of PCI configuration registers specified by StartAddress and
+ Size into the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be read. Size is
+ returned. When possible 32-bit PCI configuration read cycles are used to read
+ from StartAdress to StartAddress + Size. Due to alignment restrictions, 8-bit
+ and 16-bit PCI configuration read cycles may be used at the beginning and the
+ end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If (StartAddress + Size - 1) > 0x0FFFFFFF, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer receiving the data read.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciExpressReadBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ OUT VOID *Buffer
+ )
+{
+ UINTN EndAddress;
+
+ EndAddress = StartAddress + Size;
+
+ if (StartAddress < EndAddress && (StartAddress & 1)) {
+ //
+ // Read a byte if StartAddress is byte aligned
+ //
+ *(UINT8*)Buffer = PciExpressRead8 (StartAddress);
+ StartAddress += sizeof (UINT8);
+ Buffer = (UINT8*)Buffer + 1;
+ }
+
+ if (StartAddress < EndAddress && (StartAddress & 2)) {
+ //
+ // Read a word if StartAddress is word aligned
+ //
+ *(UINT16*)Buffer = PciExpressRead16 (StartAddress);
+ StartAddress += sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ while (EndAddress - StartAddress >= 4) {
+ //
+ // Read as many double words as possible
+ //
+ *(UINT32*)Buffer = PciExpressRead32 (StartAddress);
+ StartAddress += sizeof (UINT32);
+ Buffer = (UINT32*)Buffer + 1;
+ }
+
+ if ((EndAddress & 2) != 0) {
+ //
+ // Read the last remaining word if exist
+ //
+ *(UINT16*)Buffer = PciExpressRead16 (StartAddress);
+ StartAddress += sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ if (EndAddress & 1) {
+ //
+ // Read the last remaining byte if exist
+ //
+ *(UINT8*)Buffer = PciExpressRead8 (StartAddress);
+ }
+
+ return Size;
+}
+
+/**
+ Copies the data in a caller supplied buffer to a specified range of PCI
+ configuration space.
+
+ Writes the range of PCI configuration registers specified by StartAddress and
+ Size from the buffer specified by Buffer. This function only allows the PCI
+ configuration registers from a single PCI function to be written. Size is
+ returned. When possible 32-bit PCI configuration write cycles are used to
+ write from StartAdress to StartAddress + Size. Due to alignment restrictions,
+ 8-bit and 16-bit PCI configuration write cycles may be used at the beginning
+ and the end of the range.
+
+ If StartAddress > 0x0FFFFFFF, then ASSERT().
+ If ((StartAddress & 0xFFF) + Size) > 0x1000, then ASSERT().
+ If (StartAddress + Size - 1) > 0x0FFFFFFF, then ASSERT().
+ If Buffer is NULL, then ASSERT().
+
+ @param StartAddress Starting address that encodes the PCI Bus, Device,
+ Function and Register.
+ @param Size Size in bytes of the transfer.
+ @param Buffer Pointer to a buffer containing the data to write.
+
+ @return Size
+
+**/
+UINTN
+EFIAPI
+PciExpressWriteBuffer (
+ IN UINTN StartAddress,
+ IN UINTN Size,
+ IN VOID *Buffer
+ )
+{
+ UINTN EndAddress;
+
+ EndAddress = StartAddress + Size;
+
+ if ((StartAddress < EndAddress) && ((StartAddress & 1)!= 0)) {
+ //
+ // Write a byte if StartAddress is byte aligned
+ //
+ PciExpressWrite8 (StartAddress, *(UINT8*)Buffer);
+ StartAddress += sizeof (UINT8);
+ Buffer = (UINT8*)Buffer + 1;
+ }
+
+ if (StartAddress < EndAddress && (StartAddress & 2)) {
+ //
+ // Write a word if StartAddress is word aligned
+ //
+ PciExpressWrite16 (StartAddress, *(UINT16*)Buffer);
+ StartAddress += sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ while (EndAddress - StartAddress >= 4) {
+ //
+ // Write as many double words as possible
+ //
+ PciExpressWrite32 (StartAddress, *(UINT32*)Buffer);
+ StartAddress += sizeof (UINT32);
+ Buffer = (UINT32*)Buffer + 1;
+ }
+
+ if (EndAddress & 2) {
+ //
+ // Write the last remaining word if exist
+ //
+ PciExpressWrite16 (StartAddress, *(UINT16*)Buffer);
+ StartAddress += sizeof (UINT16);
+ Buffer = (UINT16*)Buffer + 1;
+ }
+
+ if (EndAddress & 1) {
+ //
+ // Write the last remaining byte if exist
+ //
+ PciExpressWrite8 (StartAddress, *(UINT8*)Buffer);
+ }
+
+ return Size;
+}
diff --git a/MdePkg/Library/BasePciExpressLib/build.xml b/MdePkg/Library/BasePciExpressLib/build.xml new file mode 100644 index 0000000000..576b73207a --- /dev/null +++ b/MdePkg/Library/BasePciExpressLib/build.xml @@ -0,0 +1,47 @@ +<?xml version="1.0" encoding="UTF-8"?><!-- Copyright (c) 2006, Intel Corporation
+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.-->
+<project basedir="." default="BasePciExpressLib"><!--Apply external ANT tasks-->
+ <taskdef resource="GenBuild.tasks"/>
+ <taskdef resource="net/sf/antcontrib/antlib.xml"/>
+ <property environment="env"/>
+ <property name="WORKSPACE_DIR" value="${env.WORKSPACE}"/>
+ <import file="${WORKSPACE_DIR}\Tools\Conf\BuildMacro.xml"/><!--MODULE_RELATIVE PATH is relative to PACKAGE_DIR-->
+ <property name="MODULE_RELATIVE_PATH" value="Library\BasePciExpressLib"/>
+ <property name="MODULE_DIR" value="${PACKAGE_DIR}\${MODULE_RELATIVE_PATH}"/>
+ <property name="COMMON_FILE" value="${WORKSPACE_DIR}\Tools\Conf\Common.xml"/>
+ <target name="BasePciExpressLib">
+ <GenBuild baseName="BasePciExpressLib" mbdFilename="${MODULE_DIR}\BasePciExpressLib.mbd" msaFilename="${MODULE_DIR}\BasePciExpressLib.msa"/>
+ </target>
+ <target depends="BasePciExpressLib_clean" name="clean"/>
+ <target depends="BasePciExpressLib_cleanall" name="cleanall"/>
+ <target name="BasePciExpressLib_clean">
+ <OutputDirSetup baseName="BasePciExpressLib" mbdFilename="${MODULE_DIR}\BasePciExpressLib.mbd" msaFilename="${MODULE_DIR}\BasePciExpressLib.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\BasePciExpressLib_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\BasePciExpressLib_build.xml" target="clean"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}" excludes="*.xml"/>
+ </target>
+ <target name="BasePciExpressLib_cleanall">
+ <OutputDirSetup baseName="BasePciExpressLib" mbdFilename="${MODULE_DIR}\BasePciExpressLib.mbd" msaFilename="${MODULE_DIR}\BasePciExpressLib.msa"/>
+ <if>
+ <available file="${DEST_DIR_OUTPUT}\BasePciExpressLib_build.xml"/>
+ <then>
+ <ant antfile="${DEST_DIR_OUTPUT}\BasePciExpressLib_build.xml" target="cleanall"/>
+ </then>
+ </if>
+ <delete dir="${DEST_DIR_OUTPUT}"/>
+ <delete dir="${DEST_DIR_DEBUG}"/>
+ <delete>
+ <fileset dir="${BIN_DIR}" includes="**BasePciExpressLib*"/>
+ </delete>
+ </target>
+</project>
\ No newline at end of file |