diff options
| author | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-31 04:25:09 +0000 |
|---|---|---|
| committer | qhuang8 <qhuang8@6f19259b-4bc3-4df7-8a09-765794883524> | 2008-10-31 04:25:09 +0000 |
| commit | de22b69836ec6e683e67bb0f87bf8c62aa42c150 (patch) | |
| tree | 5eecbd3b34da56dcf99d39555e38590979055f7f /MdePkg | |
| parent | a3538497a3dd249def8ecae675032ba0faa259b0 (diff) | |
| download | edk2-de22b69836ec6e683e67bb0f87bf8c62aa42c150.zip edk2-de22b69836ec6e683e67bb0f87bf8c62aa42c150.tar.gz edk2-de22b69836ec6e683e67bb0f87bf8c62aa42c150.tar.bz2 | |
Update to use DOS format
git-svn-id: https://edk2.svn.sourceforge.net/svnroot/edk2/trunk/edk2@6326 6f19259b-4bc3-4df7-8a09-765794883524
Diffstat (limited to 'MdePkg')
| -rw-r--r-- | MdePkg/Include/Library/IoLib.h | 5092 |
1 files changed, 2546 insertions, 2546 deletions
diff --git a/MdePkg/Include/Library/IoLib.h b/MdePkg/Include/Library/IoLib.h index 0bca499..800f82f 100644 --- a/MdePkg/Include/Library/IoLib.h +++ b/MdePkg/Include/Library/IoLib.h @@ -1,2546 +1,2546 @@ -/** @file - I/O and MMIO Library Services - - Copyright (c) 2006 - 2007, 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. - -**/ - -#ifndef __IO_LIB_H__ -#define __IO_LIB_H__ - -#define IO_LIB_ADDRESS(Segment,Port) \ - ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) ) - -/** - Reads an 8-bit I/O port. - - Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. - This function must guarantee that all I/O read and write operations are - serialized. - - If 8-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to read. - - @return The value read. - -**/ -UINT8 -EFIAPI -IoRead8 ( - IN UINTN Port - ); - -/** - Writes an 8-bit I/O port. - - Writes the 8-bit I/O port specified by Port with the value specified by Value - and returns Value. This function must guarantee that all I/O read and write - operations are serialized. - - If 8-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param Value The value to write to the I/O port. - - @return The value written the I/O port. - -**/ -UINT8 -EFIAPI -IoWrite8 ( - IN UINTN Port, - IN UINT8 Value - ); - -/** - Reads an 8-bit I/O port, performs a bitwise inclusive OR, and writes the - result back to the 8-bit I/O port. - - Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 8-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. - - If 8-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param OrData The value to OR with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoOr8 ( - IN UINTN Port, - IN UINT8 OrData - ); - -/** - Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back - to the 8-bit I/O port. - - Reads the 8-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 8-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. - - If 8-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoAnd8 ( - IN UINTN Port, - IN UINT8 AndData - ); - -/** - Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 8-bit I/O port. - - Reads the 8-bit I/O port specified by Port, 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 I/O port specified by Port. The value - written to the I/O port is returned. This function must guarantee that all - I/O read and write operations are serialized. - - If 8-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoAndThenOr8 ( - IN UINTN Port, - IN UINT8 AndData, - IN UINT8 OrData - ); - -/** - Reads a bit field of an I/O register. - - Reads the bit field in an 8-bit I/O register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read. - -**/ -UINT8 -EFIAPI -IoBitFieldRead8 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to an I/O register. - - Writes Value to the bit field of the I/O register. The bit field is specified - by the StartBit and the EndBit. All other bits in the destination I/O - register are preserved. The value written to the I/O port is returned. Extra - left bits in Value are stripped. - - If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port. - -**/ -UINT8 -EFIAPI -IoBitFieldWrite8 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 Value - ); - -/** - Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the - result back to the bit field in the 8-bit port. - - Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 8-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. Extra left bits in OrData are stripped. - - If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoBitFieldOr8 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 OrData - ); - -/** - Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the - result back to the bit field in the 8-bit port. - - Reads the 8-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 8-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. Extra left bits in AndData are stripped. - - If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoBitFieldAnd8 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 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 I/O port specified by Port, 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 I/O port specified by Port. The - value written to the I/O port is returned. This function must guarantee that - all I/O read and write operations are serialized. Extra left bits in both - AndData and OrData are stripped. - - If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT8 -EFIAPI -IoBitFieldAndThenOr8 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 AndData, - IN UINT8 OrData - ); - -/** - Reads a 16-bit I/O port. - - Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. - This function must guarantee that all I/O read and write operations are - serialized. - - If 16-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to read. - - @return The value read. - -**/ -UINT16 -EFIAPI -IoRead16 ( - IN UINTN Port - ); - -/** - Writes a 16-bit I/O port. - - Writes the 16-bit I/O port specified by Port with the value specified by Value - and returns Value. This function must guarantee that all I/O read and write - operations are serialized. - - If 16-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param Value The value to write to the I/O port. - - @return The value written the I/O port. - -**/ -UINT16 -EFIAPI -IoWrite16 ( - IN UINTN Port, - IN UINT16 Value - ); - -/** - Reads a 16-bit I/O port, performs a bitwise inclusive OR, and writes the - result back to the 16-bit I/O port. - - Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 16-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. - - If 16-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param OrData The value to OR with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoOr16 ( - IN UINTN Port, - IN UINT16 OrData - ); - -/** - Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back - to the 16-bit I/O port. - - Reads the 16-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 16-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. - - If 16-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoAnd16 ( - IN UINTN Port, - IN UINT16 AndData - ); - -/** - Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 16-bit I/O port. - - Reads the 16-bit I/O port specified by Port, 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 I/O port specified by Port. The value - written to the I/O port is returned. This function must guarantee that all - I/O read and write operations are serialized. - - If 16-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoAndThenOr16 ( - IN UINTN Port, - IN UINT16 AndData, - IN UINT16 OrData - ); - -/** - Reads a bit field of an I/O register. - - Reads the bit field in a 16-bit I/O register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read. - -**/ -UINT16 -EFIAPI -IoBitFieldRead16 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to an I/O register. - - Writes Value to the bit field of the I/O register. The bit field is specified - by the StartBit and the EndBit. All other bits in the destination I/O - register are preserved. The value written to the I/O port is returned. Extra - left bits in Value are stripped. - - If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port. - -**/ -UINT16 -EFIAPI -IoBitFieldWrite16 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 Value - ); - -/** - Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the - result back to the bit field in the 16-bit port. - - Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 16-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. Extra left bits in OrData are stripped. - - If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoBitFieldOr16 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 OrData - ); - -/** - Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the - result back to the bit field in the 16-bit port. - - Reads the 16-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 16-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. Extra left bits in AndData are stripped. - - If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoBitFieldAnd16 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 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 I/O port specified by Port, 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 I/O port specified by Port. The - value written to the I/O port is returned. This function must guarantee that - all I/O read and write operations are serialized. Extra left bits in both - AndData and OrData are stripped. - - If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT16 -EFIAPI -IoBitFieldAndThenOr16 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 AndData, - IN UINT16 OrData - ); - -/** - Reads a 32-bit I/O port. - - Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. - This function must guarantee that all I/O read and write operations are - serialized. - - If 32-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to read. - - @return The value read. - -**/ -UINT32 -EFIAPI -IoRead32 ( - IN UINTN Port - ); - -/** - Writes a 32-bit I/O port. - - Writes the 32-bit I/O port specified by Port with the value specified by Value - and returns Value. This function must guarantee that all I/O read and write - operations are serialized. - - If 32-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param Value The value to write to the I/O port. - - @return The value written the I/O port. - -**/ -UINT32 -EFIAPI -IoWrite32 ( - IN UINTN Port, - IN UINT32 Value - ); - -/** - Reads a 32-bit I/O port, performs a bitwise inclusive OR, and writes the - result back to the 32-bit I/O port. - - Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 32-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. - - If 32-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param OrData The value to OR with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoOr32 ( - IN UINTN Port, - IN UINT32 OrData - ); - -/** - Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back - to the 32-bit I/O port. - - Reads the 32-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 32-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. - - If 32-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoAnd32 ( - IN UINTN Port, - IN UINT32 AndData - ); - -/** - Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 32-bit I/O port. - - Reads the 32-bit I/O port specified by Port, 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 I/O port specified by Port. The value - written to the I/O port is returned. This function must guarantee that all - I/O read and write operations are serialized. - - If 32-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoAndThenOr32 ( - IN UINTN Port, - IN UINT32 AndData, - IN UINT32 OrData - ); - -/** - Reads a bit field of an I/O register. - - Reads the bit field in a 32-bit I/O register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read. - -**/ -UINT32 -EFIAPI -IoBitFieldRead32 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to an I/O register. - - Writes Value to the bit field of the I/O register. The bit field is specified - by the StartBit and the EndBit. All other bits in the destination I/O - register are preserved. The value written to the I/O port is returned. Extra - left bits in Value are stripped. - - If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port. - -**/ -UINT32 -EFIAPI -IoBitFieldWrite32 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 Value - ); - -/** - Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the - result back to the bit field in the 32-bit port. - - Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 32-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. Extra left bits in OrData are stripped. - - If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoBitFieldOr32 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 OrData - ); - -/** - Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the - result back to the bit field in the 32-bit port. - - Reads the 32-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 32-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. Extra left bits in AndData are stripped. - - If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoBitFieldAnd32 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 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 I/O port specified by Port, 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 I/O port specified by Port. The - value written to the I/O port is returned. This function must guarantee that - all I/O read and write operations are serialized. Extra left bits in both - AndData and OrData are stripped. - - If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT32 -EFIAPI -IoBitFieldAndThenOr32 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 AndData, - IN UINT32 OrData - ); - -/** - Reads a 64-bit I/O port. - - Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned. - This function must guarantee that all I/O read and write operations are - serialized. - - If 64-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to read. - - @return The value read. - -**/ -UINT64 -EFIAPI -IoRead64 ( - IN UINTN Port - ); - -/** - Writes a 64-bit I/O port. - - Writes the 64-bit I/O port specified by Port with the value specified by Value - and returns Value. This function must guarantee that all I/O read and write - operations are serialized. - - If 64-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param Value The value to write to the I/O port. - - @return The value written the I/O port. - -**/ -UINT64 -EFIAPI -IoWrite64 ( - IN UINTN Port, - IN UINT64 Value - ); - -/** - Reads a 64-bit I/O port, performs a bitwise inclusive OR, and writes the - result back to the 64-bit I/O port. - - Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 64-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. - - If 64-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param OrData The value to OR with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoOr64 ( - IN UINTN Port, - IN UINT64 OrData - ); - -/** - Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back - to the 64-bit I/O port. - - Reads the 64-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 64-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. - - If 64-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoAnd64 ( - IN UINTN Port, - IN UINT64 AndData - ); - -/** - Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 64-bit I/O port. - - Reads the 64-bit I/O port specified by Port, 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 64-bit I/O port specified by Port. The value - written to the I/O port is returned. This function must guarantee that all - I/O read and write operations are serialized. - - If 64-bit I/O port operations are not supported, then ASSERT(). - - @param Port The I/O port to write. - @param AndData The value to AND with the read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoAndThenOr64 ( - IN UINTN Port, - IN UINT64 AndData, - IN UINT64 OrData - ); - -/** - Reads a bit field of an I/O register. - - Reads the bit field in a 64-bit I/O register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 64-bit I/O port operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Port The I/O port to read. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - - @return The value read. - -**/ -UINT64 -EFIAPI -IoBitFieldRead64 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to an I/O register. - - Writes Value to the bit field of the I/O register. The bit field is specified - by the StartBit and the EndBit. All other bits in the destination I/O - register are preserved. The value written to the I/O port is returned. Extra - left bits in Value are stripped. - - If 64-bit I/O port operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Port The I/O port to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param Value New value of the bit field. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoBitFieldWrite64 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 Value - ); - -/** - Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the - result back to the bit field in the 64-bit port. - - Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR - between the read result and the value specified by OrData, and writes the - result to the 64-bit I/O port specified by Port. The value written to the I/O - port is returned. This function must guarantee that all I/O read and write - operations are serialized. Extra left bits in OrData are stripped. - - If 64-bit I/O port operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Port The I/O port to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param OrData The value to OR with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoBitFieldOr64 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 OrData - ); - -/** - Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the - result back to the bit field in the 64-bit port. - - Reads the 64-bit I/O port specified by Port, performs a bitwise AND between - the read result and the value specified by AndData, and writes the result to - the 64-bit I/O port specified by Port. The value written to the I/O port is - returned. This function must guarantee that all I/O read and write operations - are serialized. Extra left bits in AndData are stripped. - - If 64-bit I/O port operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Port The I/O port to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param AndData The value to AND with the read value from the I/O port. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoBitFieldAnd64 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 AndData - ); - -/** - Reads a bit field in a 64-bit port, performs a bitwise AND followed by a - bitwise inclusive OR, and writes the result back to the bit field in the - 64-bit port. - - Reads the 64-bit I/O port specified by Port, 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 64-bit I/O port specified by Port. The - value written to the I/O port is returned. This function must guarantee that - all I/O read and write operations are serialized. Extra left bits in both - AndData and OrData are stripped. - - If 64-bit I/O port operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Port The I/O port to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param AndData The value to AND with the read value from the I/O port. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the I/O port. - -**/ -UINT64 -EFIAPI -IoBitFieldAndThenOr64 ( - IN UINTN Port, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 AndData, - IN UINT64 OrData - ); - -/** - Reads an 8-bit MMIO register. - - Reads the 8-bit MMIO register specified by Address. The 8-bit read value is - returned. This function must guarantee that all MMIO read and write - operations are serialized. - - If 8-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to read. - - @return The value read. - -**/ -UINT8 -EFIAPI -MmioRead8 ( - IN UINTN Address - ); - -/** - Writes an 8-bit MMIO register. - - Writes the 8-bit MMIO register specified by Address with the value specified - by Value and returns Value. This function must guarantee that all MMIO read - and write operations are serialized. - - If 8-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param Value The value to write to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioWrite8 ( - IN UINTN Address, - IN UINT8 Value - ); - -/** - Reads an 8-bit MMIO register, performs a bitwise inclusive OR, and writes the - result back to the 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. - - If 8-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param OrData The value to OR with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioOr8 ( - IN UINTN Address, - IN UINT8 OrData - ); - -/** - Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result - back to the 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. - - If 8-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioAnd8 ( - IN UINTN Address, - IN UINT8 AndData - ); - -/** - Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register specified by - Address. The value written to the MMIO register is returned. This function - must guarantee that all MMIO read and write operations are serialized. - - If 8-bit MMIO register operations are not supported, then ASSERT(). - - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioAndThenOr8 ( - IN UINTN Address, - IN UINT8 AndData, - IN UINT8 OrData - ); - -/** - Reads a bit field of a MMIO register. - - Reads the bit field in an 8-bit MMIO register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 8-bit MMIO register operations are not supported, 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 MMIO 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 read. - -**/ -UINT8 -EFIAPI -MmioBitFieldRead8 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to a MMIO register. - - Writes Value to the bit field of the MMIO register. The bit field is - specified by the StartBit and the EndBit. All other bits in the destination - MMIO register are preserved. The new value of the 8-bit register is returned. - - If 8-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register. - -**/ -UINT8 -EFIAPI -MmioBitFieldWrite8 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 Value - ); - -/** - Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and - writes the result back to the bit field in the 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. Extra left bits in OrData - are stripped. - - If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioBitFieldOr8 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 OrData - ); - -/** - Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and - writes the result back to the bit field in the 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. Extra left bits in AndData are - stripped. - - If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioBitFieldAnd8 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 AndData - ); - -/** - Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed - by a bitwise inclusive OR, and writes the result back to the bit field in the - 8-bit MMIO register. - - Reads the 8-bit MMIO 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 MMIO register - specified by Address. The value written to the MMIO register is returned. - This function must guarantee that all MMIO read and write operations are - serialized. Extra left bits in both AndData and OrData are stripped. - - If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT8 -EFIAPI -MmioBitFieldAndThenOr8 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT8 AndData, - IN UINT8 OrData - ); - -/** - Reads a 16-bit MMIO register. - - Reads the 16-bit MMIO register specified by Address. The 16-bit read value is - returned. This function must guarantee that all MMIO read and write - operations are serialized. - - If 16-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to read. - - @return The value read. - -**/ -UINT16 -EFIAPI -MmioRead16 ( - IN UINTN Address - ); - -/** - Writes a 16-bit MMIO register. - - Writes the 16-bit MMIO register specified by Address with the value specified - by Value and returns Value. This function must guarantee that all MMIO read - and write operations are serialized. - - If 16-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param Value The value to write to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioWrite16 ( - IN UINTN Address, - IN UINT16 Value - ); - -/** - Reads a 16-bit MMIO register, performs a bitwise inclusive OR, and writes the - result back to the 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. - - If 16-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param OrData The value to OR with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioOr16 ( - IN UINTN Address, - IN UINT16 OrData - ); - -/** - Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result - back to the 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. - - If 16-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioAnd16 ( - IN UINTN Address, - IN UINT16 AndData - ); - -/** - Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register specified by - Address. The value written to the MMIO register is returned. This function - must guarantee that all MMIO read and write operations are serialized. - - If 16-bit MMIO register operations are not supported, then ASSERT(). - - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioAndThenOr16 ( - IN UINTN Address, - IN UINT16 AndData, - IN UINT16 OrData - ); - -/** - Reads a bit field of a MMIO register. - - Reads the bit field in a 16-bit MMIO register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 16-bit MMIO register operations are not supported, 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 MMIO 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 read. - -**/ -UINT16 -EFIAPI -MmioBitFieldRead16 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to a MMIO register. - - Writes Value to the bit field of the MMIO register. The bit field is - specified by the StartBit and the EndBit. All other bits in the destination - MMIO register are preserved. The new value of the 16-bit register is returned. - - If 16-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register. - -**/ -UINT16 -EFIAPI -MmioBitFieldWrite16 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 Value - ); - -/** - Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and - writes the result back to the bit field in the 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. Extra left bits in OrData - are stripped. - - If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioBitFieldOr16 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 OrData - ); - -/** - Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and - writes the result back to the bit field in the 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. Extra left bits in AndData are - stripped. - - If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioBitFieldAnd16 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 AndData - ); - -/** - Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed - by a bitwise inclusive OR, and writes the result back to the bit field in the - 16-bit MMIO register. - - Reads the 16-bit MMIO 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 MMIO register - specified by Address. The value written to the MMIO register is returned. - This function must guarantee that all MMIO read and write operations are - serialized. Extra left bits in both AndData and OrData are stripped. - - If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT16 -EFIAPI -MmioBitFieldAndThenOr16 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT16 AndData, - IN UINT16 OrData - ); - -/** - Reads a 32-bit MMIO register. - - Reads the 32-bit MMIO register specified by Address. The 32-bit read value is - returned. This function must guarantee that all MMIO read and write - operations are serialized. - - If 32-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to read. - - @return The value read. - -**/ -UINT32 -EFIAPI -MmioRead32 ( - IN UINTN Address - ); - -/** - Writes a 32-bit MMIO register. - - Writes the 32-bit MMIO register specified by Address with the value specified - by Value and returns Value. This function must guarantee that all MMIO read - and write operations are serialized. - - If 32-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param Value The value to write to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioWrite32 ( - IN UINTN Address, - IN UINT32 Value - ); - -/** - Reads a 32-bit MMIO register, performs a bitwise inclusive OR, and writes the - result back to the 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. - - If 32-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param OrData The value to OR with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioOr32 ( - IN UINTN Address, - IN UINT32 OrData - ); - -/** - Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result - back to the 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. - - If 32-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioAnd32 ( - IN UINTN Address, - IN UINT32 AndData - ); - -/** - Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register specified by - Address. The value written to the MMIO register is returned. This function - must guarantee that all MMIO read and write operations are serialized. - - If 32-bit MMIO register operations are not supported, then ASSERT(). - - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioAndThenOr32 ( - IN UINTN Address, - IN UINT32 AndData, - IN UINT32 OrData - ); - -/** - Reads a bit field of a MMIO register. - - Reads the bit field in a 32-bit MMIO register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 32-bit MMIO register operations are not supported, 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 MMIO 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 read. - -**/ -UINT32 -EFIAPI -MmioBitFieldRead32 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to a MMIO register. - - Writes Value to the bit field of the MMIO register. The bit field is - specified by the StartBit and the EndBit. All other bits in the destination - MMIO register are preserved. The new value of the 32-bit register is returned. - - If 32-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register. - -**/ -UINT32 -EFIAPI -MmioBitFieldWrite32 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 Value - ); - -/** - Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and - writes the result back to the bit field in the 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. Extra left bits in OrData - are stripped. - - If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioBitFieldOr32 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 OrData - ); - -/** - Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and - writes the result back to the bit field in the 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. Extra left bits in AndData are - stripped. - - If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioBitFieldAnd32 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 AndData - ); - -/** - Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed - by a bitwise inclusive OR, and writes the result back to the bit field in the - 32-bit MMIO register. - - Reads the 32-bit MMIO 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 MMIO register - specified by Address. The value written to the MMIO register is returned. - This function must guarantee that all MMIO read and write operations are - serialized. Extra left bits in both AndData and OrData are stripped. - - If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT32 -EFIAPI -MmioBitFieldAndThenOr32 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT32 AndData, - IN UINT32 OrData - ); - -/** - Reads a 64-bit MMIO register. - - Reads the 64-bit MMIO register specified by Address. The 64-bit read value is - returned. This function must guarantee that all MMIO read and write - operations are serialized. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to read. - - @return The value read. - -**/ -UINT64 -EFIAPI -MmioRead64 ( - IN UINTN Address - ); - -/** - Writes a 64-bit MMIO register. - - Writes the 64-bit MMIO register specified by Address with the value specified - by Value and returns Value. This function must guarantee that all MMIO read - and write operations are serialized. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param Value The value to write to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioWrite64 ( - IN UINTN Address, - IN UINT64 Value - ); - -/** - Reads a 64-bit MMIO register, performs a bitwise inclusive OR, and writes the - result back to the 64-bit MMIO register. - - Reads the 64-bit MMIO 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 64-bit MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param OrData The value to OR with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioOr64 ( - IN UINTN Address, - IN UINT64 OrData - ); - -/** - Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result - back to the 64-bit MMIO register. - - Reads the 64-bit MMIO register specified by Address, performs a bitwise AND - between the read result and the value specified by AndData, and writes the - result to the 64-bit MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioAnd64 ( - IN UINTN Address, - IN UINT64 AndData - ); - -/** - Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise - inclusive OR, and writes the result back to the 64-bit MMIO register. - - Reads the 64-bit MMIO 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 64-bit MMIO register specified by - Address. The value written to the MMIO register is returned. This function - must guarantee that all MMIO read and write operations are serialized. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - - - @param Address The MMIO register to write. - @param AndData The value to AND with the read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioAndThenOr64 ( - IN UINTN Address, - IN UINT64 AndData, - IN UINT64 OrData - ); - -/** - Reads a bit field of a MMIO register. - - Reads the bit field in a 64-bit MMIO register. The bit field is specified by - the StartBit and the EndBit. The value of the bit field is returned. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Address MMIO register to read. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - - @return The value read. - -**/ -UINT64 -EFIAPI -MmioBitFieldRead64 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit - ); - -/** - Writes a bit field to a MMIO register. - - Writes Value to the bit field of the MMIO register. The bit field is - specified by the StartBit and the EndBit. All other bits in the destination - MMIO register are preserved. The new value of the 64-bit register is returned. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Address MMIO register to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param Value New value of the bit field. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioBitFieldWrite64 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 Value - ); - -/** - Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and - writes the result back to the bit field in the 64-bit MMIO register. - - Reads the 64-bit MMIO 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 64-bit MMIO register specified by Address. The value - written to the MMIO register is returned. This function must guarantee that - all MMIO read and write operations are serialized. Extra left bits in OrData - are stripped. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Address MMIO register to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param OrData The value to OR with read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioBitFieldOr64 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 OrData - ); - -/** - Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and - writes the result back to the bit field in the 64-bit MMIO register. - - Reads the 64-bit MMIO register specified by Address, performs a bitwise AND - between the read result and the value specified by AndData, and writes the - result to the 64-bit MMIO register specified by Address. The value written to - the MMIO register is returned. This function must guarantee that all MMIO - read and write operations are serialized. Extra left bits in AndData are - stripped. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Address MMIO register to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param AndData The value to AND with read value from the MMIO register. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioBitFieldAnd64 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 AndData - ); - -/** - Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed - by a bitwise inclusive OR, and writes the result back to the bit field in the - 64-bit MMIO register. - - Reads the 64-bit MMIO 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 64-bit MMIO register - specified by Address. The value written to the MMIO register is returned. - This function must guarantee that all MMIO read and write operations are - serialized. Extra left bits in both AndData and OrData are stripped. - - If 64-bit MMIO register operations are not supported, then ASSERT(). - If StartBit is greater than 63, then ASSERT(). - If EndBit is greater than 63, then ASSERT(). - If EndBit is less than StartBit, then ASSERT(). - - @param Address MMIO register to write. - @param StartBit The ordinal of the least significant bit in the bit field. - Range 0..63. - @param EndBit The ordinal of the most significant bit in the bit field. - Range 0..63. - @param AndData The value to AND with read value from the MMIO register. - @param OrData The value to OR with the result of the AND operation. - - @return The value written back to the MMIO register. - -**/ -UINT64 -EFIAPI -MmioBitFieldAndThenOr64 ( - IN UINTN Address, - IN UINTN StartBit, - IN UINTN EndBit, - IN UINT64 AndData, - IN UINT64 OrData - ); - -/** - Copy data from MMIO region to system memory by using 8-bit access. - - Copy data from MMIO region specified by starting address StartAddress - to system memory specified by Buffer by using 8-bit access. The total - number of byte to be copied is specified by Length. Buffer is returned. - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). - - - @param StartAddress Starting address for the MMIO region to be copied from. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer receiving the data read. - - @return Buffer - -**/ -UINT8 * -EFIAPI -MmioReadBuffer8 ( - IN UINTN StartAddress, - IN UINTN Length, - OUT UINT8 *Buffer - ); - -/** - Copy data from MMIO region to system memory by using 16-bit access. - - Copy data from MMIO region specified by starting address StartAddress - to system memory specified by Buffer by using 16-bit access. The total - number of byte to be copied is specified by Length. Buffer is returned. - - If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). - - If Length is not aligned on a 16-bit boundary, then ASSERT(). - If Buffer is not aligned on a 16-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied from. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer receiving the data read. - - @return Buffer - -**/ -UINT16 * -EFIAPI -MmioReadBuffer16 ( - IN UINTN StartAddress, - IN UINTN Length, - OUT UINT16 *Buffer - ); - -/** - Copy data from MMIO region to system memory by using 32-bit access. - - Copy data from MMIO region specified by starting address StartAddress - to system memory specified by Buffer by using 32-bit access. The total - number of byte to be copied is specified by Length. Buffer is returned. - - If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). - - If Length is not aligned on a 32-bit boundary, then ASSERT(). - If Buffer is not aligned on a 32-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied from. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer receiving the data read. - - @return Buffer - -**/ -UINT32 * -EFIAPI -MmioReadBuffer32 ( - IN UINTN StartAddress, - IN UINTN Length, - OUT UINT32 *Buffer - ); - -/** - Copy data from MMIO region to system memory by using 64-bit access. - - Copy data from MMIO region specified by starting address StartAddress - to system memory specified by Buffer by using 64-bit access. The total - number of byte to be copied is specified by Length. Buffer is returned. - - If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). - - If Length is not aligned on a 64-bit boundary, then ASSERT(). - If Buffer is not aligned on a 64-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied from. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer receiving the data read. - - @return Buffer - -**/ -UINT64 * -EFIAPI -MmioReadBuffer64 ( - IN UINTN StartAddress, - IN UINTN Length, - OUT UINT64 *Buffer - ); - -/** - Copy data from system memory to MMIO region by using 8-bit access. - - Copy data from system memory specified by Buffer to MMIO region specified - by starting address StartAddress by using 8-bit access. The total number - of byte to be copied is specified by Length. Buffer is returned. - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). - - - @param StartAddress Starting address for the MMIO region to be copied to. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer containing the data to write. - - @return Size in bytes of the copy. - -**/ -UINT8 * -EFIAPI -MmioWriteBuffer8 ( - IN UINTN StartAddress, - IN UINTN Length, - IN CONST UINT8 *Buffer - ); - -/** - Copy data from system memory to MMIO region by using 16-bit access. - - Copy data from system memory specified by Buffer to MMIO region specified - by starting address StartAddress by using 16-bit access. The total number - of byte to be copied is specified by Length. Length is returned. - - If StartAddress is not aligned on a 16-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). - - If Length is not aligned on a 16-bit boundary, then ASSERT(). - - If Buffer is not aligned on a 16-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied to. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer containing the data to write. - - @return Size in bytes of the copy. - -**/ -UINT16 * -EFIAPI -MmioWriteBuffer16 ( - IN UINTN StartAddress, - IN UINTN Length, - IN CONST UINT16 *Buffer - ); - -/** - Copy data from system memory to MMIO region by using 32-bit access. - - Copy data from system memory specified by Buffer to MMIO region specified - by starting address StartAddress by using 32-bit access. The total number - of byte to be copied is specified by Length. Length is returned. - - If StartAddress is not aligned on a 32-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). - - If Length is not aligned on a 32-bit boundary, then ASSERT(). - - If Buffer is not aligned on a 32-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied to. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer containing the data to write. - - @return Size in bytes of the copy. - -**/ -UINT32 * -EFIAPI -MmioWriteBuffer32 ( - IN UINTN StartAddress, - IN UINTN Length, - IN CONST UINT32 *Buffer - ); - -/** - Copy data from system memory to MMIO region by using 64-bit access. - - Copy data from system memory specified by Buffer to MMIO region specified - by starting address StartAddress by using 64-bit access. The total number - of byte to be copied is specified by Length. Length is returned. - - If StartAddress is not aligned on a 64-bit boundary, then ASSERT(). - - If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). - If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT(). - - If Length is not aligned on a 64-bit boundary, then ASSERT(). - - If Buffer is not aligned on a 64-bit boundary, then ASSERT(). - - @param StartAddress Starting address for the MMIO region to be copied to. - @param Length Size in bytes of the copy. - @param Buffer Pointer to a system memory buffer containing the data to write. - - @return Size in bytes of the copy. - -**/ -UINT64 * -EFIAPI -MmioWriteBuffer64 ( - IN UINTN StartAddress, - IN UINTN Length, - IN CONST UINT64 *Buffer - ); - - -#endif - +/** @file
+ I/O and MMIO Library Services
+
+ Copyright (c) 2006 - 2007, 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.
+
+**/
+
+#ifndef __IO_LIB_H__
+#define __IO_LIB_H__
+
+#define IO_LIB_ADDRESS(Segment,Port) \
+ ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) )
+
+/**
+ Reads an 8-bit I/O port.
+
+ Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ If 8-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+IoRead8 (
+ IN UINTN Port
+ );
+
+/**
+ Writes an 8-bit I/O port.
+
+ Writes the 8-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 8-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoWrite8 (
+ IN UINTN Port,
+ IN UINT8 Value
+ );
+
+/**
+ Reads an 8-bit I/O port, performs a bitwise inclusive OR, and writes the
+ result back to the 8-bit I/O port.
+
+ Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 8-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 8-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param OrData The value to OR with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoOr8 (
+ IN UINTN Port,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back
+ to the 8-bit I/O port.
+
+ Reads the 8-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 8-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized.
+
+ If 8-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoAnd8 (
+ IN UINTN Port,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 8-bit I/O port.
+
+ Reads the 8-bit I/O port specified by Port, 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 I/O port specified by Port. The value
+ written to the I/O port is returned. This function must guarantee that all
+ I/O read and write operations are serialized.
+
+ If 8-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoAndThenOr8 (
+ IN UINTN Port,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field of an I/O register.
+
+ Reads the bit field in an 8-bit I/O register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read.
+
+**/
+UINT8
+EFIAPI
+IoBitFieldRead8 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to an I/O register.
+
+ Writes Value to the bit field of the I/O register. The bit field is specified
+ by the StartBit and the EndBit. All other bits in the destination I/O
+ register are preserved. The value written to the I/O port is returned. Extra
+ left bits in Value are stripped.
+
+ If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port.
+
+**/
+UINT8
+EFIAPI
+IoBitFieldWrite8 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ );
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the
+ result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 8-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized. Extra left bits in OrData are stripped.
+
+ If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoBitFieldOr8 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the
+ result back to the bit field in the 8-bit port.
+
+ Reads the 8-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 8-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized. Extra left bits in AndData are stripped.
+
+ If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoBitFieldAnd8 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 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 I/O port specified by Port, 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 I/O port specified by Port. The
+ value written to the I/O port is returned. This function must guarantee that
+ all I/O read and write operations are serialized. Extra left bits in both
+ AndData and OrData are stripped.
+
+ If 8-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT8
+EFIAPI
+IoBitFieldAndThenOr8 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a 16-bit I/O port.
+
+ Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ If 16-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT16
+EFIAPI
+IoRead16 (
+ IN UINTN Port
+ );
+
+/**
+ Writes a 16-bit I/O port.
+
+ Writes the 16-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 16-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoWrite16 (
+ IN UINTN Port,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a 16-bit I/O port, performs a bitwise inclusive OR, and writes the
+ result back to the 16-bit I/O port.
+
+ Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 16-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 16-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param OrData The value to OR with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoOr16 (
+ IN UINTN Port,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back
+ to the 16-bit I/O port.
+
+ Reads the 16-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 16-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized.
+
+ If 16-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoAnd16 (
+ IN UINTN Port,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 16-bit I/O port.
+
+ Reads the 16-bit I/O port specified by Port, 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 I/O port specified by Port. The value
+ written to the I/O port is returned. This function must guarantee that all
+ I/O read and write operations are serialized.
+
+ If 16-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoAndThenOr16 (
+ IN UINTN Port,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field of an I/O register.
+
+ Reads the bit field in a 16-bit I/O register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read.
+
+**/
+UINT16
+EFIAPI
+IoBitFieldRead16 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to an I/O register.
+
+ Writes Value to the bit field of the I/O register. The bit field is specified
+ by the StartBit and the EndBit. All other bits in the destination I/O
+ register are preserved. The value written to the I/O port is returned. Extra
+ left bits in Value are stripped.
+
+ If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port.
+
+**/
+UINT16
+EFIAPI
+IoBitFieldWrite16 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the
+ result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 16-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized. Extra left bits in OrData are stripped.
+
+ If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoBitFieldOr16 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the
+ result back to the bit field in the 16-bit port.
+
+ Reads the 16-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 16-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized. Extra left bits in AndData are stripped.
+
+ If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoBitFieldAnd16 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 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 I/O port specified by Port, 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 I/O port specified by Port. The
+ value written to the I/O port is returned. This function must guarantee that
+ all I/O read and write operations are serialized. Extra left bits in both
+ AndData and OrData are stripped.
+
+ If 16-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT16
+EFIAPI
+IoBitFieldAndThenOr16 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 32-bit I/O port.
+
+ Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ If 32-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT32
+EFIAPI
+IoRead32 (
+ IN UINTN Port
+ );
+
+/**
+ Writes a 32-bit I/O port.
+
+ Writes the 32-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 32-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoWrite32 (
+ IN UINTN Port,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a 32-bit I/O port, performs a bitwise inclusive OR, and writes the
+ result back to the 32-bit I/O port.
+
+ Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 32-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 32-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param OrData The value to OR with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoOr32 (
+ IN UINTN Port,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back
+ to the 32-bit I/O port.
+
+ Reads the 32-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 32-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized.
+
+ If 32-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoAnd32 (
+ IN UINTN Port,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 32-bit I/O port.
+
+ Reads the 32-bit I/O port specified by Port, 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 I/O port specified by Port. The value
+ written to the I/O port is returned. This function must guarantee that all
+ I/O read and write operations are serialized.
+
+ If 32-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoAndThenOr32 (
+ IN UINTN Port,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field of an I/O register.
+
+ Reads the bit field in a 32-bit I/O register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read.
+
+**/
+UINT32
+EFIAPI
+IoBitFieldRead32 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to an I/O register.
+
+ Writes Value to the bit field of the I/O register. The bit field is specified
+ by the StartBit and the EndBit. All other bits in the destination I/O
+ register are preserved. The value written to the I/O port is returned. Extra
+ left bits in Value are stripped.
+
+ If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 I/O port.
+
+**/
+UINT32
+EFIAPI
+IoBitFieldWrite32 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the
+ result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 32-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized. Extra left bits in OrData are stripped.
+
+ If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoBitFieldOr32 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the
+ result back to the bit field in the 32-bit port.
+
+ Reads the 32-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 32-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized. Extra left bits in AndData are stripped.
+
+ If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoBitFieldAnd32 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 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 I/O port specified by Port, 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 I/O port specified by Port. The
+ value written to the I/O port is returned. This function must guarantee that
+ all I/O read and write operations are serialized. Extra left bits in both
+ AndData and OrData are stripped.
+
+ If 32-bit I/O port operations are not supported, 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 Port The I/O port 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 read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT32
+EFIAPI
+IoBitFieldAndThenOr32 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a 64-bit I/O port.
+
+ Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.
+ This function must guarantee that all I/O read and write operations are
+ serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to read.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+IoRead64 (
+ IN UINTN Port
+ );
+
+/**
+ Writes a 64-bit I/O port.
+
+ Writes the 64-bit I/O port specified by Port with the value specified by Value
+ and returns Value. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param Value The value to write to the I/O port.
+
+ @return The value written the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoWrite64 (
+ IN UINTN Port,
+ IN UINT64 Value
+ );
+
+/**
+ Reads a 64-bit I/O port, performs a bitwise inclusive OR, and writes the
+ result back to the 64-bit I/O port.
+
+ Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 64-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param OrData The value to OR with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoOr64 (
+ IN UINTN Port,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back
+ to the 64-bit I/O port.
+
+ Reads the 64-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 64-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoAnd64 (
+ IN UINTN Port,
+ IN UINT64 AndData
+ );
+
+/**
+ Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 64-bit I/O port.
+
+ Reads the 64-bit I/O port specified by Port, 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 64-bit I/O port specified by Port. The value
+ written to the I/O port is returned. This function must guarantee that all
+ I/O read and write operations are serialized.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param AndData The value to AND with the read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoAndThenOr64 (
+ IN UINTN Port,
+ IN UINT64 AndData,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a bit field of an I/O register.
+
+ Reads the bit field in a 64-bit I/O register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Port The I/O port to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+IoBitFieldRead64 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to an I/O register.
+
+ Writes Value to the bit field of the I/O register. The bit field is specified
+ by the StartBit and the EndBit. All other bits in the destination I/O
+ register are preserved. The value written to the I/O port is returned. Extra
+ left bits in Value are stripped.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param Value New value of the bit field.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoBitFieldWrite64 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 Value
+ );
+
+/**
+ Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the
+ result back to the bit field in the 64-bit port.
+
+ Reads the 64-bit I/O port specified by Port, performs a bitwise inclusive OR
+ between the read result and the value specified by OrData, and writes the
+ result to the 64-bit I/O port specified by Port. The value written to the I/O
+ port is returned. This function must guarantee that all I/O read and write
+ operations are serialized. Extra left bits in OrData are stripped.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param OrData The value to OR with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoBitFieldOr64 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the
+ result back to the bit field in the 64-bit port.
+
+ Reads the 64-bit I/O port specified by Port, performs a bitwise AND between
+ the read result and the value specified by AndData, and writes the result to
+ the 64-bit I/O port specified by Port. The value written to the I/O port is
+ returned. This function must guarantee that all I/O read and write operations
+ are serialized. Extra left bits in AndData are stripped.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param AndData The value to AND with the read value from the I/O port.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoBitFieldAnd64 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 AndData
+ );
+
+/**
+ Reads a bit field in a 64-bit port, performs a bitwise AND followed by a
+ bitwise inclusive OR, and writes the result back to the bit field in the
+ 64-bit port.
+
+ Reads the 64-bit I/O port specified by Port, 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 64-bit I/O port specified by Port. The
+ value written to the I/O port is returned. This function must guarantee that
+ all I/O read and write operations are serialized. Extra left bits in both
+ AndData and OrData are stripped.
+
+ If 64-bit I/O port operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Port The I/O port to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param AndData The value to AND with the read value from the I/O port.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the I/O port.
+
+**/
+UINT64
+EFIAPI
+IoBitFieldAndThenOr64 (
+ IN UINTN Port,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 AndData,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads an 8-bit MMIO register.
+
+ Reads the 8-bit MMIO register specified by Address. The 8-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ If 8-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT8
+EFIAPI
+MmioRead8 (
+ IN UINTN Address
+ );
+
+/**
+ Writes an 8-bit MMIO register.
+
+ Writes the 8-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ If 8-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param Value The value to write to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioWrite8 (
+ IN UINTN Address,
+ IN UINT8 Value
+ );
+
+/**
+ Reads an 8-bit MMIO register, performs a bitwise inclusive OR, and writes the
+ result back to the 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized.
+
+ If 8-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param OrData The value to OR with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioOr8 (
+ IN UINTN Address,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result
+ back to the 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized.
+
+ If 8-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioAnd8 (
+ IN UINTN Address,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register specified by
+ Address. The value written to the MMIO register is returned. This function
+ must guarantee that all MMIO read and write operations are serialized.
+
+ If 8-bit MMIO register operations are not supported, then ASSERT().
+
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioAndThenOr8 (
+ IN UINTN Address,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field of a MMIO register.
+
+ Reads the bit field in an 8-bit MMIO register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 8-bit MMIO register operations are not supported, 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 MMIO 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 read.
+
+**/
+UINT8
+EFIAPI
+MmioBitFieldRead8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a MMIO register.
+
+ Writes Value to the bit field of the MMIO register. The bit field is
+ specified by the StartBit and the EndBit. All other bits in the destination
+ MMIO register are preserved. The new value of the 8-bit register is returned.
+
+ If 8-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioBitFieldWrite8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 Value
+ );
+
+/**
+ Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and
+ writes the result back to the bit field in the 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized. Extra left bits in OrData
+ are stripped.
+
+ If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioBitFieldOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and
+ writes the result back to the bit field in the 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized. Extra left bits in AndData are
+ stripped.
+
+ If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioBitFieldAnd8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData
+ );
+
+/**
+ Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed
+ by a bitwise inclusive OR, and writes the result back to the bit field in the
+ 8-bit MMIO register.
+
+ Reads the 8-bit MMIO 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 MMIO register
+ specified by Address. The value written to the MMIO register is returned.
+ This function must guarantee that all MMIO read and write operations are
+ serialized. Extra left bits in both AndData and OrData are stripped.
+
+ If 8-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT8
+EFIAPI
+MmioBitFieldAndThenOr8 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT8 AndData,
+ IN UINT8 OrData
+ );
+
+/**
+ Reads a 16-bit MMIO register.
+
+ Reads the 16-bit MMIO register specified by Address. The 16-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ If 16-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT16
+EFIAPI
+MmioRead16 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 16-bit MMIO register.
+
+ Writes the 16-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ If 16-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param Value The value to write to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioWrite16 (
+ IN UINTN Address,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a 16-bit MMIO register, performs a bitwise inclusive OR, and writes the
+ result back to the 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized.
+
+ If 16-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param OrData The value to OR with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioOr16 (
+ IN UINTN Address,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result
+ back to the 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized.
+
+ If 16-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioAnd16 (
+ IN UINTN Address,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register specified by
+ Address. The value written to the MMIO register is returned. This function
+ must guarantee that all MMIO read and write operations are serialized.
+
+ If 16-bit MMIO register operations are not supported, then ASSERT().
+
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioAndThenOr16 (
+ IN UINTN Address,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field of a MMIO register.
+
+ Reads the bit field in a 16-bit MMIO register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 16-bit MMIO register operations are not supported, 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 MMIO 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 read.
+
+**/
+UINT16
+EFIAPI
+MmioBitFieldRead16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a MMIO register.
+
+ Writes Value to the bit field of the MMIO register. The bit field is
+ specified by the StartBit and the EndBit. All other bits in the destination
+ MMIO register are preserved. The new value of the 16-bit register is returned.
+
+ If 16-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioBitFieldWrite16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 Value
+ );
+
+/**
+ Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and
+ writes the result back to the bit field in the 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized. Extra left bits in OrData
+ are stripped.
+
+ If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioBitFieldOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and
+ writes the result back to the bit field in the 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized. Extra left bits in AndData are
+ stripped.
+
+ If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioBitFieldAnd16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData
+ );
+
+/**
+ Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed
+ by a bitwise inclusive OR, and writes the result back to the bit field in the
+ 16-bit MMIO register.
+
+ Reads the 16-bit MMIO 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 MMIO register
+ specified by Address. The value written to the MMIO register is returned.
+ This function must guarantee that all MMIO read and write operations are
+ serialized. Extra left bits in both AndData and OrData are stripped.
+
+ If 16-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT16
+EFIAPI
+MmioBitFieldAndThenOr16 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT16 AndData,
+ IN UINT16 OrData
+ );
+
+/**
+ Reads a 32-bit MMIO register.
+
+ Reads the 32-bit MMIO register specified by Address. The 32-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ If 32-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT32
+EFIAPI
+MmioRead32 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 32-bit MMIO register.
+
+ Writes the 32-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ If 32-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param Value The value to write to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioWrite32 (
+ IN UINTN Address,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a 32-bit MMIO register, performs a bitwise inclusive OR, and writes the
+ result back to the 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized.
+
+ If 32-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param OrData The value to OR with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioOr32 (
+ IN UINTN Address,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result
+ back to the 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized.
+
+ If 32-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioAnd32 (
+ IN UINTN Address,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register specified by
+ Address. The value written to the MMIO register is returned. This function
+ must guarantee that all MMIO read and write operations are serialized.
+
+ If 32-bit MMIO register operations are not supported, then ASSERT().
+
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioAndThenOr32 (
+ IN UINTN Address,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field of a MMIO register.
+
+ Reads the bit field in a 32-bit MMIO register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 32-bit MMIO register operations are not supported, 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 MMIO 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 read.
+
+**/
+UINT32
+EFIAPI
+MmioBitFieldRead32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a MMIO register.
+
+ Writes Value to the bit field of the MMIO register. The bit field is
+ specified by the StartBit and the EndBit. All other bits in the destination
+ MMIO register are preserved. The new value of the 32-bit register is returned.
+
+ If 32-bit MMIO register operations are not supported, 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 MMIO 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 MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioBitFieldWrite32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 Value
+ );
+
+/**
+ Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and
+ writes the result back to the bit field in the 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized. Extra left bits in OrData
+ are stripped.
+
+ If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioBitFieldOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and
+ writes the result back to the bit field in the 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized. Extra left bits in AndData are
+ stripped.
+
+ If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioBitFieldAnd32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData
+ );
+
+/**
+ Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed
+ by a bitwise inclusive OR, and writes the result back to the bit field in the
+ 32-bit MMIO register.
+
+ Reads the 32-bit MMIO 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 MMIO register
+ specified by Address. The value written to the MMIO register is returned.
+ This function must guarantee that all MMIO read and write operations are
+ serialized. Extra left bits in both AndData and OrData are stripped.
+
+ If 32-bit MMIO register operations are not supported, 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 MMIO 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 read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT32
+EFIAPI
+MmioBitFieldAndThenOr32 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT32 AndData,
+ IN UINT32 OrData
+ );
+
+/**
+ Reads a 64-bit MMIO register.
+
+ Reads the 64-bit MMIO register specified by Address. The 64-bit read value is
+ returned. This function must guarantee that all MMIO read and write
+ operations are serialized.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to read.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+MmioRead64 (
+ IN UINTN Address
+ );
+
+/**
+ Writes a 64-bit MMIO register.
+
+ Writes the 64-bit MMIO register specified by Address with the value specified
+ by Value and returns Value. This function must guarantee that all MMIO read
+ and write operations are serialized.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param Value The value to write to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioWrite64 (
+ IN UINTN Address,
+ IN UINT64 Value
+ );
+
+/**
+ Reads a 64-bit MMIO register, performs a bitwise inclusive OR, and writes the
+ result back to the 64-bit MMIO register.
+
+ Reads the 64-bit MMIO 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 64-bit MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param OrData The value to OR with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioOr64 (
+ IN UINTN Address,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result
+ back to the 64-bit MMIO register.
+
+ Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
+ between the read result and the value specified by AndData, and writes the
+ result to the 64-bit MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioAnd64 (
+ IN UINTN Address,
+ IN UINT64 AndData
+ );
+
+/**
+ Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise
+ inclusive OR, and writes the result back to the 64-bit MMIO register.
+
+ Reads the 64-bit MMIO 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 64-bit MMIO register specified by
+ Address. The value written to the MMIO register is returned. This function
+ must guarantee that all MMIO read and write operations are serialized.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+
+
+ @param Address The MMIO register to write.
+ @param AndData The value to AND with the read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioAndThenOr64 (
+ IN UINTN Address,
+ IN UINT64 AndData,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a bit field of a MMIO register.
+
+ Reads the bit field in a 64-bit MMIO register. The bit field is specified by
+ the StartBit and the EndBit. The value of the bit field is returned.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address MMIO register to read.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+
+ @return The value read.
+
+**/
+UINT64
+EFIAPI
+MmioBitFieldRead64 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit
+ );
+
+/**
+ Writes a bit field to a MMIO register.
+
+ Writes Value to the bit field of the MMIO register. The bit field is
+ specified by the StartBit and the EndBit. All other bits in the destination
+ MMIO register are preserved. The new value of the 64-bit register is returned.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address MMIO register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param Value New value of the bit field.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioBitFieldWrite64 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 Value
+ );
+
+/**
+ Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and
+ writes the result back to the bit field in the 64-bit MMIO register.
+
+ Reads the 64-bit MMIO 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 64-bit MMIO register specified by Address. The value
+ written to the MMIO register is returned. This function must guarantee that
+ all MMIO read and write operations are serialized. Extra left bits in OrData
+ are stripped.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address MMIO register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param OrData The value to OR with read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioBitFieldOr64 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 OrData
+ );
+
+/**
+ Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and
+ writes the result back to the bit field in the 64-bit MMIO register.
+
+ Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
+ between the read result and the value specified by AndData, and writes the
+ result to the 64-bit MMIO register specified by Address. The value written to
+ the MMIO register is returned. This function must guarantee that all MMIO
+ read and write operations are serialized. Extra left bits in AndData are
+ stripped.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address MMIO register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param AndData The value to AND with read value from the MMIO register.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioBitFieldAnd64 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 AndData
+ );
+
+/**
+ Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed
+ by a bitwise inclusive OR, and writes the result back to the bit field in the
+ 64-bit MMIO register.
+
+ Reads the 64-bit MMIO 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 64-bit MMIO register
+ specified by Address. The value written to the MMIO register is returned.
+ This function must guarantee that all MMIO read and write operations are
+ serialized. Extra left bits in both AndData and OrData are stripped.
+
+ If 64-bit MMIO register operations are not supported, then ASSERT().
+ If StartBit is greater than 63, then ASSERT().
+ If EndBit is greater than 63, then ASSERT().
+ If EndBit is less than StartBit, then ASSERT().
+
+ @param Address MMIO register to write.
+ @param StartBit The ordinal of the least significant bit in the bit field.
+ Range 0..63.
+ @param EndBit The ordinal of the most significant bit in the bit field.
+ Range 0..63.
+ @param AndData The value to AND with read value from the MMIO register.
+ @param OrData The value to OR with the result of the AND operation.
+
+ @return The value written back to the MMIO register.
+
+**/
+UINT64
+EFIAPI
+MmioBitFieldAndThenOr64 (
+ IN UINTN Address,
+ IN UINTN StartBit,
+ IN UINTN EndBit,
+ IN UINT64 AndData,
+ IN UINT64 OrData
+ );
+
+/**
+ Copy data from MMIO region to system memory by using 8-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 8-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT8 *
+EFIAPI
+MmioReadBuffer8 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT8 *Buffer
+ );
+
+/**
+ Copy data from MMIO region to system memory by using 16-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 16-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT16 *
+EFIAPI
+MmioReadBuffer16 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT16 *Buffer
+ );
+
+/**
+ Copy data from MMIO region to system memory by using 32-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 32-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT32 *
+EFIAPI
+MmioReadBuffer32 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT32 *Buffer
+ );
+
+/**
+ Copy data from MMIO region to system memory by using 64-bit access.
+
+ Copy data from MMIO region specified by starting address StartAddress
+ to system memory specified by Buffer by using 64-bit access. The total
+ number of byte to be copied is specified by Length. Buffer is returned.
+
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied from.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer receiving the data read.
+
+ @return Buffer
+
+**/
+UINT64 *
+EFIAPI
+MmioReadBuffer64 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ OUT UINT64 *Buffer
+ );
+
+/**
+ Copy data from system memory to MMIO region by using 8-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 8-bit access. The total number
+ of byte to be copied is specified by Length. Buffer is returned.
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT8 *
+EFIAPI
+MmioWriteBuffer8 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT8 *Buffer
+ );
+
+/**
+ Copy data from system memory to MMIO region by using 16-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 16-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 16-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT16 *
+EFIAPI
+MmioWriteBuffer16 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT16 *Buffer
+ );
+
+/**
+ Copy data from system memory to MMIO region by using 32-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 32-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 32-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT32 *
+EFIAPI
+MmioWriteBuffer32 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT32 *Buffer
+ );
+
+/**
+ Copy data from system memory to MMIO region by using 64-bit access.
+
+ Copy data from system memory specified by Buffer to MMIO region specified
+ by starting address StartAddress by using 64-bit access. The total number
+ of byte to be copied is specified by Length. Length is returned.
+
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
+
+ If Length is not aligned on a 64-bit boundary, then ASSERT().
+
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().
+
+ @param StartAddress Starting address for the MMIO region to be copied to.
+ @param Length Size in bytes of the copy.
+ @param Buffer Pointer to a system memory buffer containing the data to write.
+
+ @return Size in bytes of the copy.
+
+**/
+UINT64 *
+EFIAPI
+MmioWriteBuffer64 (
+ IN UINTN StartAddress,
+ IN UINTN Length,
+ IN CONST UINT64 *Buffer
+ );
+
+
+#endif
+
|