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Diffstat (limited to 'OldMdePkg/Include/Library/IoLib.h')
| -rw-r--r-- | OldMdePkg/Include/Library/IoLib.h | 2548 |
1 files changed, 0 insertions, 2548 deletions
diff --git a/OldMdePkg/Include/Library/IoLib.h b/OldMdePkg/Include/Library/IoLib.h deleted file mode 100644 index e86068c5f1..0000000000 --- a/OldMdePkg/Include/Library/IoLib.h +++ /dev/null @@ -1,2548 +0,0 @@ -/** @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. - - Module Name: IoLib.h - -**/ - -#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 - |