diff options
author | Guo Mang <mang.guo@intel.com> | 2017-08-02 09:54:47 +0800 |
---|---|---|
committer | Guo Mang <mang.guo@intel.com> | 2017-09-05 19:45:08 +0800 |
commit | 6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8 (patch) | |
tree | 444372d92a0ae8991fe4d15eb3937df43690dfda /MdePkg/Library/DxePciSegmentLibEsal | |
parent | b207c6434d7a5a4502975d322312e07017e8a8cb (diff) | |
download | edk2-platforms-6c128c65b5ec0e5b8b5a0ccb165f3afd29e485f8.tar.xz |
Remove core packages since we can get them from edk2 repository
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'MdePkg/Library/DxePciSegmentLibEsal')
-rw-r--r-- | MdePkg/Library/DxePciSegmentLibEsal/DxePciSegementLibEsal.uni | bin | 1964 -> 0 bytes | |||
-rw-r--r-- | MdePkg/Library/DxePciSegmentLibEsal/DxePciSegmentLibEsal.inf | 40 | ||||
-rw-r--r-- | MdePkg/Library/DxePciSegmentLibEsal/PciLib.c | 1416 |
3 files changed, 0 insertions, 1456 deletions
diff --git a/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegementLibEsal.uni b/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegementLibEsal.uni Binary files differdeleted file mode 100644 index 06336196e2..0000000000 --- a/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegementLibEsal.uni +++ /dev/null diff --git a/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegmentLibEsal.inf b/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegmentLibEsal.inf deleted file mode 100644 index dad1cecf78..0000000000 --- a/MdePkg/Library/DxePciSegmentLibEsal/DxePciSegmentLibEsal.inf +++ /dev/null @@ -1,40 +0,0 @@ -## @file
-# PCI Segment Library that uses ESAL services to perform PCI Configuration cycles.
-#
-# Copyright (c) 2006 - 2014, Intel Corporation. All rights reserved.<BR>
-#
-# 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.
-#
-##
-
-[Defines]
- INF_VERSION = 0x00010005
- BASE_NAME = DxePciSegementLibEsal
- MODULE_UNI_FILE = DxePciSegementLibEsal.uni
- FILE_GUID = 6D497A7A-D7DA-467c-B485-B7FB3493C41F
- MODULE_TYPE = DXE_DRIVER
- VERSION_STRING = 1.0
- LIBRARY_CLASS = PciSegmentLib|DXE_DRIVER DXE_RUNTIME_DRIVER DXE_SMM_DRIVER DXE_SAL_DRIVER UEFI_DRIVER UEFI_APPLICATION
-
-#
-# The following information is for reference only and not required by the build tools.
-#
-# VALID_ARCHITECTURES = IPF
-#
-
-[Sources]
- PciLib.c
-
-[Packages]
- MdePkg/MdePkg.dec
-
-[LibraryClasses]
- ExtendedSalLib
- DebugLib
- BaseLib
-
diff --git a/MdePkg/Library/DxePciSegmentLibEsal/PciLib.c b/MdePkg/Library/DxePciSegmentLibEsal/PciLib.c deleted file mode 100644 index 07ddd8fd0a..0000000000 --- a/MdePkg/Library/DxePciSegmentLibEsal/PciLib.c +++ /dev/null @@ -1,1416 +0,0 @@ -/** @file
- DXE PCI Segment Library instance layered on top of ESAL services.
-
- Copyright (c) 2006 - 2012, Intel Corporation. All rights reserved.<BR>
- 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.
-
-**/
-
-#include <PiDxe.h>
-
-#include <Protocol/ExtendedSalServiceClasses.h>
-
-#include <Library/PciSegmentLib.h>
-#include <Library/BaseLib.h>
-#include <Library/DebugLib.h>
-#include <Library/ExtendedSalLib.h>
-
-/**
- Assert the validity of a PCI Segment address.
- A valid PCI Segment address should not contain 1's in bits 31:28
-
- @param A The address to validate.
- @param M Additional bits to assert to be zero.
-
-**/
-#define ASSERT_INVALID_PCI_SEGMENT_ADDRESS(A,M) \
- ASSERT (((A) & (0xf0000000 | (M))) == 0)
-
-/**
- Converts a PCI Library Address to a ESAL PCI Service Address.
- Based on SAL Spec 3.2, there are two SAL PCI Address:
-
- If address type = 0
- Bits 0..7 - Register address
- Bits 8..10 - Function number
- Bits 11..15 - Device number
- Bits 16..23 - Bus number
- Bits 24..31 - PCI segment group
- Bits 32..63 - Reserved (0)
-
- If address type = 1
- Bits 0..7 - Register address
- Bits 8..11 - Extended Register address
- Bits 12..14 - Function number
- Bits 15..19 - Device number
- Bits 20..27 - Bus number
- Bits 28..43 - PCI segment group
- Bits 44..63 - Reserved (0)
-
- @param A The PCI Library Address to convert.
-
-**/
-#define CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS0(Address) (((Address >> 8) & 0xff000000) | (((Address) >> 4) & 0x00ffff00) | ((Address) & 0xff))
-#define CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS1(Address) (((Address >> 4) & 0xffff0000000) | ((Address) & 0xfffffff))
-
-/**
- Check a PCI Library Address is a PCI Compatible Address or not.
-**/
-#define IS_PCI_COMPATIBLE_ADDRESS(Address) (((Address) & 0xf00) == 0)
-
-/**
- Internal worker function to read a PCI configuration register.
-
- This function wraps EsalPciConfigRead function of Extended SAL PCI
- Services Class.
- It reads and returns the PCI configuration register specified by Address,
- the width of data is specified by Width.
-
- @param Address Address that encodes the PCI Bus, Device, Function and
- Register.
- @param Width Width of data to read
-
- @return The value read from the PCI configuration register.
-
-**/
-UINT32
-DxePciSegmentLibEsalReadWorker (
- IN UINT64 Address,
- IN UINTN Width
- )
-{
- SAL_RETURN_REGS Return;
-
- if (IS_PCI_COMPATIBLE_ADDRESS(Address)) {
- Return = EsalCall (
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_LO,
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_HI,
- SalPciConfigReadFunctionId,
- CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS0 (Address),
- Width,
- EFI_SAL_PCI_COMPATIBLE_ADDRESS,
- 0,
- 0,
- 0,
- 0
- );
- } else {
- Return = EsalCall (
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_LO,
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_HI,
- SalPciConfigReadFunctionId,
- CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS1 (Address),
- Width,
- EFI_SAL_PCI_EXTENDED_REGISTER_ADDRESS,
- 0,
- 0,
- 0,
- 0
- );
- }
-
- return (UINT32) Return.r9;
-}
-
-/**
- Internal worker function to writes a PCI configuration register.
-
- This function wraps EsalPciConfigWrite function of Extended SAL PCI
- Services Class.
- It writes the PCI configuration register specified by Address with the
- value specified by Data. The width of data is specifed by Width.
- Data is returned.
-
- @param Address Address that encodes the PCI Bus, Device, Function and
- Register.
- @param Width Width of data to write
- @param Data The value to write.
-
- @return The value written to the PCI configuration register.
-
-**/
-UINT32
-DxePciSegmentLibEsalWriteWorker (
- IN UINT64 Address,
- IN UINTN Width,
- IN UINT32 Data
- )
-{
- if (IS_PCI_COMPATIBLE_ADDRESS(Address)) {
- EsalCall (
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_LO,
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_HI,
- SalPciConfigWriteFunctionId,
- CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS0 (Address),
- Width,
- Data,
- EFI_SAL_PCI_COMPATIBLE_ADDRESS,
- 0,
- 0,
- 0
- );
- } else {
- EsalCall (
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_LO,
- EFI_EXTENDED_SAL_PCI_SERVICES_PROTOCOL_GUID_HI,
- SalPciConfigWriteFunctionId,
- CONVERT_PCI_SEGMENT_LIB_ADDRESS_TO_PCI_ESAL_ADDRESS1 (Address),
- Width,
- Data,
- EFI_SAL_PCI_EXTENDED_REGISTER_ADDRESS,
- 0,
- 0,
- 0
- );
- }
-
- return Data;
-}
-
-/**
- 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
-
- @return The value read from the PCI configuration register.
-
-**/
-UINT8
-EFIAPI
-PciSegmentRead8 (
- IN UINT64 Address
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
-
- return (UINT8) DxePciSegmentLibEsalReadWorker (Address, 1);
-}
-
-/**
- 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
- @param Data The value to write.
-
- @return The value written to the PCI configuration register.
-
-**/
-UINT8
-EFIAPI
-PciSegmentWrite8 (
- IN UINT64 Address,
- IN UINT8 Data
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 0);
-
- return (UINT8) DxePciSegmentLibEsalWriteWorker (Address, 1, Data);
-}
-
-/**
- Performs a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentOr8 (
- IN UINT64 Address,
- IN UINT8 OrData
- )
-{
- return PciSegmentWrite8 (Address, (UINT8) (PciSegmentRead8 (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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAnd8 (
- IN UINT64 Address,
- IN UINT8 AndData
- )
-{
- return PciSegmentWrite8 (Address, (UINT8) (PciSegmentRead8 (Address) & AndData));
-}
-
-/**
- Performs a bitwise AND of an 8-bit PCI configuration register with an 8-bit
- value, followed a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAndThenOr8 (
- IN UINT64 Address,
- IN UINT8 AndData,
- IN UINT8 OrData
- )
-{
- return PciSegmentWrite8 (Address, (UINT8) ((PciSegmentRead8 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 7, then ASSERT().
- If EndBit is greater than 7, then ASSERT().
- If EndBit is less than 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
-PciSegmentBitFieldRead8 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit
- )
-{
- return BitFieldRead8 (PciSegmentRead8 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 7, then ASSERT().
- If EndBit is greater than 7, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If Value is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldWrite8 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT8 Value
- )
-{
- return PciSegmentWrite8 (
- Address,
- BitFieldWrite8 (PciSegmentRead8 (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 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 7, then ASSERT().
- If EndBit is greater than 7, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldOr8 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT8 OrData
- )
-{
- return PciSegmentWrite8 (
- Address,
- BitFieldOr8 (PciSegmentRead8 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 7, then ASSERT().
- If EndBit is greater than 7, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAnd8 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT8 AndData
- )
-{
- return PciSegmentWrite8 (
- Address,
- BitFieldAnd8 (PciSegmentRead8 (Address), StartBit, EndBit, AndData)
- );
-}
-
-/**
- Reads a bit field in an 8-bit port, performs a bitwise AND followed by 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 AND followed by a bitwise 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 7, then ASSERT().
- If EndBit is greater than 7, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAndThenOr8 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT8 AndData,
- IN UINT8 OrData
- )
-{
- return PciSegmentWrite8 (
- Address,
- BitFieldAndThenOr8 (PciSegmentRead8 (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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
-
- @return The value read from the PCI configuration register.
-
-**/
-UINT16
-EFIAPI
-PciSegmentRead16 (
- IN UINT64 Address
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
-
- return (UINT16) DxePciSegmentLibEsalReadWorker (Address, 2);
-}
-
-/**
- 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
- @param Data The value to write.
-
- @return The value written to the PCI configuration register.
-
-**/
-UINT16
-EFIAPI
-PciSegmentWrite16 (
- IN UINT64 Address,
- IN UINT16 Data
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 1);
-
- return (UINT16) DxePciSegmentLibEsalWriteWorker (Address, 2, Data);
-}
-
-/**
- Performs a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentOr16 (
- IN UINT64 Address,
- IN UINT16 OrData
- )
-{
- return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAnd16 (
- IN UINT64 Address,
- IN UINT16 AndData
- )
-{
- return PciSegmentWrite16 (Address, (UINT16) (PciSegmentRead16 (Address) & AndData));
-}
-
-/**
- Performs a bitwise AND of a 16-bit PCI configuration register with a 16-bit
- value, followed a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAndThenOr16 (
- IN UINT64 Address,
- IN UINT16 AndData,
- IN UINT16 OrData
- )
-{
- return PciSegmentWrite16 (Address, (UINT16) ((PciSegmentRead16 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 15, then ASSERT().
- If EndBit is greater than 15, then ASSERT().
- If EndBit is less than 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
-PciSegmentBitFieldRead16 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit
- )
-{
- return BitFieldRead16 (PciSegmentRead16 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 15, then ASSERT().
- If EndBit is greater than 15, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If Value is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldWrite16 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT16 Value
- )
-{
- return PciSegmentWrite16 (
- Address,
- BitFieldWrite16 (PciSegmentRead16 (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 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 15, then ASSERT().
- If EndBit is greater than 15, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldOr16 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT16 OrData
- )
-{
- return PciSegmentWrite16 (
- Address,
- BitFieldOr16 (PciSegmentRead16 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 15, then ASSERT().
- If EndBit is greater than 15, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAnd16 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT16 AndData
- )
-{
- return PciSegmentWrite16 (
- Address,
- BitFieldAnd16 (PciSegmentRead16 (Address), StartBit, EndBit, AndData)
- );
-}
-
-/**
- Reads a bit field in a 16-bit port, performs a bitwise AND followed by 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 AND followed by a bitwise 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 15, then ASSERT().
- If EndBit is greater than 15, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAndThenOr16 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT16 AndData,
- IN UINT16 OrData
- )
-{
- return PciSegmentWrite16 (
- Address,
- BitFieldAndThenOr16 (PciSegmentRead16 (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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
-
- @return The value read from the PCI configuration register.
-
-**/
-UINT32
-EFIAPI
-PciSegmentRead32 (
- IN UINT64 Address
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
-
- return DxePciSegmentLibEsalReadWorker (Address, 4);
-}
-
-/**
- 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, Bus, Device, Function and
- Register.
- @param Data The value to write.
-
- @return The value written to the PCI configuration register.
-
-**/
-UINT32
-EFIAPI
-PciSegmentWrite32 (
- IN UINT64 Address,
- IN UINT32 Data
- )
-{
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (Address, 3);
-
- return DxePciSegmentLibEsalWriteWorker (Address, 4, Data);
-}
-
-/**
- Performs a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentOr32 (
- IN UINT64 Address,
- IN UINT32 OrData
- )
-{
- return PciSegmentWrite32 (Address, PciSegmentRead32 (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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAnd32 (
- IN UINT64 Address,
- IN UINT32 AndData
- )
-{
- return PciSegmentWrite32 (Address, PciSegmentRead32 (Address) & AndData);
-}
-
-/**
- Performs a bitwise AND of a 32-bit PCI configuration register with a 32-bit
- value, followed a bitwise 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 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 any reserved bits in Address are set, then ASSERT().
-
- @param Address Address that encodes the PCI Segment, 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
-PciSegmentAndThenOr32 (
- IN UINT64 Address,
- IN UINT32 AndData,
- IN UINT32 OrData
- )
-{
- return PciSegmentWrite32 (Address, (PciSegmentRead32 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 31, then ASSERT().
- If EndBit is greater than 31, then ASSERT().
- If EndBit is less than 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
-PciSegmentBitFieldRead32 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit
- )
-{
- return BitFieldRead32 (PciSegmentRead32 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 31, then ASSERT().
- If EndBit is greater than 31, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If Value is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldWrite32 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT32 Value
- )
-{
- return PciSegmentWrite32 (
- Address,
- BitFieldWrite32 (PciSegmentRead32 (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 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 31, then ASSERT().
- If EndBit is greater than 31, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldOr32 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT32 OrData
- )
-{
- return PciSegmentWrite32 (
- Address,
- BitFieldOr32 (PciSegmentRead32 (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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 31, then ASSERT().
- If EndBit is greater than 31, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAnd32 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT32 AndData
- )
-{
- return PciSegmentWrite32 (
- Address,
- BitFieldAnd32 (PciSegmentRead32 (Address), StartBit, EndBit, AndData)
- );
-}
-
-/**
- Reads a bit field in a 32-bit port, performs a bitwise AND followed by 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 AND followed by a bitwise 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 any reserved bits in Address are set, then ASSERT().
- If StartBit is greater than 31, then ASSERT().
- If EndBit is greater than 31, then ASSERT().
- If EndBit is less than StartBit, then ASSERT().
- If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
- If OrData is larger than the bitmask value range specified by StartBit and EndBit, 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
-PciSegmentBitFieldAndThenOr32 (
- IN UINT64 Address,
- IN UINTN StartBit,
- IN UINTN EndBit,
- IN UINT32 AndData,
- IN UINT32 OrData
- )
-{
- return PciSegmentWrite32 (
- Address,
- BitFieldAndThenOr32 (PciSegmentRead32 (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 Size > 0 and Buffer is NULL, then ASSERT().
-
- @param StartAddress Starting Address that encodes the PCI Segment, 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
-PciSegmentReadBuffer (
- IN UINT64 StartAddress,
- IN UINTN Size,
- OUT VOID *Buffer
- )
-{
- UINTN ReturnValue;
-
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (StartAddress, 0);
- ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);
-
- if (Size == 0) {
- return Size;
- }
-
- ASSERT (Buffer != NULL);
-
- //
- // Save Size for return
- //
- ReturnValue = Size;
-
- if ((StartAddress & 1) != 0) {
- //
- // Read a byte if StartAddress is byte aligned
- //
- *(volatile UINT8 *)Buffer = PciSegmentRead8 (StartAddress);
- StartAddress += sizeof (UINT8);
- Size -= sizeof (UINT8);
- Buffer = (UINT8*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT16) && (StartAddress & 2) != 0) {
- //
- // Read a word if StartAddress is word aligned
- //
- *(volatile UINT16 *)Buffer = PciSegmentRead16 (StartAddress);
- StartAddress += sizeof (UINT16);
- Size -= sizeof (UINT16);
- Buffer = (UINT16*)Buffer + 1;
- }
-
- while (Size >= sizeof (UINT32)) {
- //
- // Read as many double words as possible
- //
- *(volatile UINT32 *)Buffer = PciSegmentRead32 (StartAddress);
- StartAddress += sizeof (UINT32);
- Size -= sizeof (UINT32);
- Buffer = (UINT32*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT16)) {
- //
- // Read the last remaining word if exist
- //
- *(volatile UINT16 *)Buffer = PciSegmentRead16 (StartAddress);
- StartAddress += sizeof (UINT16);
- Size -= sizeof (UINT16);
- Buffer = (UINT16*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT8)) {
- //
- // Read the last remaining byte if exist
- //
- *(volatile UINT8 *)Buffer = PciSegmentRead8 (StartAddress);
- }
-
- return ReturnValue;
-}
-
-/**
- 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 Size > 0 and Buffer is NULL, then ASSERT().
-
- @param StartAddress Starting Address that encodes the PCI Segment, 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
-PciSegmentWriteBuffer (
- IN UINT64 StartAddress,
- IN UINTN Size,
- IN VOID *Buffer
- )
-{
- UINTN ReturnValue;
-
- ASSERT_INVALID_PCI_SEGMENT_ADDRESS (StartAddress, 0);
- ASSERT (((StartAddress & 0xFFF) + Size) <= 0x1000);
-
- if (Size == 0) {
- return 0;
- }
-
- ASSERT (Buffer != NULL);
-
- //
- // Save Size for return
- //
- ReturnValue = Size;
-
- if ((StartAddress & 1) != 0) {
- //
- // Write a byte if StartAddress is byte aligned
- //
- PciSegmentWrite8 (StartAddress, *(UINT8*)Buffer);
- StartAddress += sizeof (UINT8);
- Size -= sizeof (UINT8);
- Buffer = (UINT8*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT16) && (StartAddress & 2) != 0) {
- //
- // Write a word if StartAddress is word aligned
- //
- PciSegmentWrite16 (StartAddress, *(UINT16*)Buffer);
- StartAddress += sizeof (UINT16);
- Size -= sizeof (UINT16);
- Buffer = (UINT16*)Buffer + 1;
- }
-
- while (Size >= sizeof (UINT32)) {
- //
- // Write as many double words as possible
- //
- PciSegmentWrite32 (StartAddress, *(UINT32*)Buffer);
- StartAddress += sizeof (UINT32);
- Size -= sizeof (UINT32);
- Buffer = (UINT32*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT16)) {
- //
- // Write the last remaining word if exist
- //
- PciSegmentWrite16 (StartAddress, *(UINT16*)Buffer);
- StartAddress += sizeof (UINT16);
- Size -= sizeof (UINT16);
- Buffer = (UINT16*)Buffer + 1;
- }
-
- if (Size >= sizeof (UINT8)) {
- //
- // Write the last remaining byte if exist
- //
- PciSegmentWrite8 (StartAddress, *(UINT8*)Buffer);
- }
-
- return ReturnValue;
-}
|