PCI CF8 Library functions that use I/O ports 0xCF8 and 0xCFC to perform PCI Configuration cycles.\r
Layers on top of an I/O Library instance.\r
\r
- Copyright (c) 2006 - 2008, Intel Corporation<BR>\r
- All rights reserved. This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
ASSERT (((A) & (~0xffff0ff | (M))) == 0)\r
\r
/**\r
- Registers a PCI device so PCI configuration registers may be accessed after \r
+ Registers a PCI device so PCI configuration registers may be accessed after\r
SetVirtualAddressMap().\r
- \r
- Registers the PCI device specified by Address so all the PCI configuration registers \r
+\r
+ Registers the PCI device specified by Address so all the PCI configuration registers\r
associated with that PCI device may be accessed after SetVirtualAddressMap() is called.\r
- \r
+\r
If Address > 0x0FFFFFFF, then ASSERT().\r
+ If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
- \r
+\r
@retval RETURN_SUCCESS The PCI device was registered for runtime access.\r
- @retval RETURN_UNSUPPORTED An attempt was made to call this function \r
+ @retval RETURN_UNSUPPORTED An attempt was made to call this function\r
after ExitBootServices().\r
@retval RETURN_UNSUPPORTED The resources required to access the PCI device\r
at runtime could not be mapped.\r
IN UINTN Address\r
)\r
{\r
+ ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
return RETURN_SUCCESS;\r
}\r
\r
If Address > 0x0FFFFFFF, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\r
IN UINTN Address\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoRead8 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3));\r
+ Result = IoRead8 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3));\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address > 0x0FFFFFFF, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
IN UINT8 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoWrite8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- Value\r
- );\r
+ Result = IoWrite8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address > 0x0FFFFFFF, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param OrData The value to OR with the PCI configuration register.\r
\r
IN UINT8 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoOr8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- OrData\r
- );\r
+ Result = IoOr8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address > 0x0FFFFFFF, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
\r
IN UINT8 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAnd8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- AndData\r
- );\r
+ Result = IoAnd8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address > 0x0FFFFFFF, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
@param OrData The value to OR with the result of the AND operation.\r
IN UINT8 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAndThenOr8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoAndThenOr8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If EndBit is greater than 7, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
\r
- @param Address PCI configuration register to read.\r
+ @param Address The PCI configuration register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..7.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINTN EndBit\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldRead8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- StartBit,\r
- EndBit\r
- );\r
+ Result = IoBitFieldRead8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ StartBit,\r
+ EndBit\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..7.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
Range 0..7.\r
- @param Value New value of the bit field.\r
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\r
IN UINT8 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldWrite8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
+ Result = IoBitFieldWrite8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..7.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT8 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldOr8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
+ Result = IoBitFieldOr8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..7.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT8 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAnd8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
+ Result = IoBitFieldAnd8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 7, then ASSERT().\r
If EndBit is greater than 7, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..7.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT8 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT8 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 0);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAndThenOr8 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoBitFieldAndThenOr8 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 3),\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 16-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\r
IN UINTN Address\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoRead16 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2));\r
+ Result = IoRead16 (PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2));\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 16-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
IN UINT16 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoWrite16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- Value\r
- );\r
+ Result = IoWrite16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 16-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param OrData The value to OR with the PCI configuration register.\r
\r
IN UINT16 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoOr16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- OrData\r
- );\r
+ Result = IoOr16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 16-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
\r
IN UINT16 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAnd16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- AndData\r
- );\r
+ Result = IoAnd16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 16-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
@param OrData The value to OR with the result of the AND operation.\r
IN UINT16 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAndThenOr16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoAndThenOr16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
\r
- @param Address PCI configuration register to read.\r
+ @param Address The PCI configuration register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..15.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINTN EndBit\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldRead16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- StartBit,\r
- EndBit\r
- );\r
+ Result = IoBitFieldRead16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ StartBit,\r
+ EndBit\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..15.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
Range 0..15.\r
- @param Value New value of the bit field.\r
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\r
IN UINT16 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldWrite16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
+ Result = IoBitFieldWrite16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..15.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT16 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldOr16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
+ Result = IoBitFieldOr16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..15.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT16 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAnd16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
+ Result = IoBitFieldAnd16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 15, then ASSERT().\r
If EndBit is greater than 15, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..15.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT16 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT16 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 1);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAndThenOr16 (\r
- PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoBitFieldAndThenOr16 (\r
+ PCI_CONFIGURATION_DATA_PORT + (UINT16)(Address & 2),\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 32-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
\r
@return The read value from the PCI configuration register.\r
IN UINTN Address\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoRead32 (PCI_CONFIGURATION_DATA_PORT);\r
+ Result = IoRead32 (PCI_CONFIGURATION_DATA_PORT);\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 32-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param Value The value to write.\r
\r
IN UINT32 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoWrite32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- Value\r
- );\r
+ Result = IoWrite32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 32-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param OrData The value to OR with the PCI configuration register.\r
\r
IN UINT32 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoOr32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- OrData\r
- );\r
+ Result = IoOr32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 32-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
\r
IN UINT32 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAnd32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- AndData\r
- );\r
+ Result = IoAnd32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If Address is not aligned on a 32-bit boundary, then ASSERT().\r
If the register specified by Address >= 0x100, then ASSERT().\r
\r
- @param Address Address that encodes the PCI Bus, Device, Function and\r
+ @param Address The address that encodes the PCI Bus, Device, Function and\r
Register.\r
@param AndData The value to AND with the PCI configuration register.\r
@param OrData The value to OR with the result of the AND operation.\r
IN UINT32 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoAndThenOr32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoAndThenOr32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If EndBit is greater than 31, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
\r
- @param Address PCI configuration register to read.\r
+ @param Address The PCI configuration register to read.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..31.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINTN EndBit\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldRead32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- StartBit,\r
- EndBit\r
- );\r
+ Result = IoBitFieldRead32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ StartBit,\r
+ EndBit\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..31.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
Range 0..31.\r
- @param Value New value of the bit field.\r
+ @param Value The new value of the bit field.\r
\r
@return The value written back to the PCI configuration register.\r
\r
IN UINT32 Value\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldWrite32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- StartBit,\r
- EndBit,\r
- Value\r
- );\r
+ Result = IoBitFieldWrite32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ StartBit,\r
+ EndBit,\r
+ Value\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..31.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT32 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldOr32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- StartBit,\r
- EndBit,\r
- OrData\r
- );\r
+ Result = IoBitFieldOr32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ StartBit,\r
+ EndBit,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..31.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT32 AndData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAnd32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- StartBit,\r
- EndBit,\r
- AndData\r
- );\r
+ Result = IoBitFieldAnd32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ StartBit,\r
+ EndBit,\r
+ AndData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If StartBit is greater than 31, then ASSERT().\r
If EndBit is greater than 31, then ASSERT().\r
If EndBit is less than StartBit, then ASSERT().\r
+ If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
+ If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
- @param Address PCI configuration register to write.\r
+ @param Address The PCI configuration register to write.\r
@param StartBit The ordinal of the least significant bit in the bit field.\r
Range 0..31.\r
@param EndBit The ordinal of the most significant bit in the bit field.\r
IN UINT32 OrData\r
)\r
{\r
+ BOOLEAN InterruptState;\r
+ UINT32 AddressPort;\r
+ UINT32 Result;\r
+\r
ASSERT_INVALID_PCI_ADDRESS (Address, 3);\r
+ InterruptState = SaveAndDisableInterrupts ();\r
+ AddressPort = IoRead32 (PCI_CONFIGURATION_ADDRESS_PORT);\r
IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, PCI_TO_CF8_ADDRESS (Address));\r
- return IoBitFieldAndThenOr32 (\r
- PCI_CONFIGURATION_DATA_PORT,\r
- StartBit,\r
- EndBit,\r
- AndData,\r
- OrData\r
- );\r
+ Result = IoBitFieldAndThenOr32 (\r
+ PCI_CONFIGURATION_DATA_PORT,\r
+ StartBit,\r
+ EndBit,\r
+ AndData,\r
+ OrData\r
+ );\r
+ IoWrite32 (PCI_CONFIGURATION_ADDRESS_PORT, AddressPort);\r
+ SetInterruptState (InterruptState);\r
+ return Result;\r
}\r
\r
/**\r
If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT().\r
If Size > 0 and Buffer is NULL, then ASSERT().\r
\r
- @param StartAddress Starting address that encodes the PCI Bus, Device,\r
+ @param StartAddress The starting address that encodes the PCI Bus, Device,\r
Function and Register.\r
- @param Size Size in bytes of the transfer.\r
- @param Buffer Pointer to a buffer receiving the data read.\r
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer receiving the data read.\r
\r
@return Size read from StartAddress.\r
\r
If ((StartAddress & 0xFFF) + Size) > 0x100, then ASSERT().\r
If Size > 0 and Buffer is NULL, then ASSERT().\r
\r
- @param StartAddress Starting address that encodes the PCI Bus, Device,\r
+ @param StartAddress The starting address that encodes the PCI Bus, Device,\r
Function and Register.\r
- @param Size Size in bytes of the transfer.\r
- @param Buffer Pointer to a buffer containing the data to write.\r
+ @param Size The size in bytes of the transfer.\r
+ @param Buffer The pointer to a buffer containing the data to write.\r
\r
@return Size written to StartAddress.\r
\r
projects / mirror_edk2.git / blobdiff