Add ASSERT() for BitField operations to make sure the input value is valid.

[mirror_edk2.git] / MdePkg / Library / SmmIoLibSmmCpuIo2 / IoHighLevel.c

/** @file\r
  High-level Io/Mmio functions.\r
\r
  All assertions for bit field operations are handled bit field functions in the\r
  Base Library.\r
\r
  Copyright (c) 2009 - 2012, Intel Corporation. All rights reserved.<BR>\r
  This program and the accompanying materials\r
  are licensed and made available under the terms and conditions of the BSD License\r
  which accompanies this distribution.  The full text of the license may be found at\r
  http://opensource.org/licenses/bsd-license.php.\r
\r
  THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
  WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
\r
  The following IoLib instances share the same version of this file:\r
\r
    BaseIoLibIntrinsic\r
    DxeIoLibCpuIo\r
    PeiIoLibCpuIo\r
    SmmIoLibCpuIo\r
**/\r
\r
#include "SmmCpuIoLibInternal.h"\r
\r
/**\r
  Reads an 8-bit I/O port, performs a bitwise OR, and writes the\r
  result back to the 8-bit I/O port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 8-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  OrData  The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoOr8 (\r
  IN      UINTN                     Port,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return IoWrite8 (Port, (UINT8) (IoRead8 (Port) | OrData));\r
}\r
\r
/**\r
  Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back\r
  to the 8-bit I/O port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 8-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoAnd8 (\r
  IN      UINTN                     Port,\r
  IN      UINT8                     AndData\r
  )\r
{\r
  return IoWrite8 (Port, (UINT8) (IoRead8 (Port) & AndData));\r
}\r
\r
/**\r
  Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 8-bit I/O port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, performs a bitwise OR\r
  between the result of the AND operation and the value specified by OrData,\r
  and writes the result to the 8-bit I/O port specified by Port. The value\r
  written to the I/O port is returned. This function must guarantee that all\r
  I/O read and write operations are serialized.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoAndThenOr8 (\r
  IN      UINTN                     Port,\r
  IN      UINT8                     AndData,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return IoWrite8 (Port, (UINT8) ((IoRead8 (Port) & AndData) | OrData));\r
}\r
\r
/**\r
  Reads a bit field of an I/O register.\r
\r
  Reads the bit field in an 8-bit I/O register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Port      The I/O port to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
\r
  @return The value read.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoBitFieldRead8 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead8 (IoRead8 (Port), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to an I/O register.\r
\r
  Writes Value to the bit field of the I/O register. The bit field is specified\r
  by the StartBit and the EndBit. All other bits in the destination I/O\r
  register are preserved. The value written to the I/O port is returned. Extra\r
  left bits in Value are stripped.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoBitFieldWrite8 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     Value\r
  )\r
{\r
  return IoWrite8 (\r
           Port,\r
           BitFieldWrite8 (IoRead8 (Port), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the\r
  result back to the bit field in the 8-bit port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 8-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized. Extra left bits in OrData are stripped.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  OrData    The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoBitFieldOr8 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return IoWrite8 (\r
           Port,\r
           BitFieldOr8 (IoRead8 (Port), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the\r
  result back to the bit field in the 8-bit port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 8-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized. Extra left bits in AndData are stripped.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoBitFieldAnd8 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     AndData\r
  )\r
{\r
  return IoWrite8 (\r
           Port,\r
           BitFieldAnd8 (IoRead8 (Port), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
  bitwise OR, and writes the result back to the bit field in the\r
  8-bit port.\r
\r
  Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed\r
  by a bitwise OR between the read result and the value specified by\r
  AndData, and writes the result to the 8-bit I/O port specified by Port. The\r
  value written to the I/O port is returned. This function must guarantee that\r
  all I/O read and write operations are serialized. Extra left bits in both\r
  AndData and OrData are stripped.\r
\r
  If 8-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT8\r
EFIAPI\r
IoBitFieldAndThenOr8 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     AndData,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return IoWrite8 (\r
           Port,\r
           BitFieldAndThenOr8 (IoRead8 (Port), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 16-bit I/O port, performs a bitwise OR, and writes the\r
  result back to the 16-bit I/O port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 16-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  OrData  The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoOr16 (\r
  IN      UINTN                     Port,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return IoWrite16 (Port, (UINT16) (IoRead16 (Port) | OrData));\r
}\r
\r
/**\r
  Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back\r
  to the 16-bit I/O port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 16-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoAnd16 (\r
  IN      UINTN                     Port,\r
  IN      UINT16                    AndData\r
  )\r
{\r
  return IoWrite16 (Port, (UINT16) (IoRead16 (Port) & AndData));\r
}\r
\r
/**\r
  Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 16-bit I/O port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, performs a bitwise OR\r
  between the result of the AND operation and the value specified by OrData,\r
  and writes the result to the 16-bit I/O port specified by Port. The value\r
  written to the I/O port is returned. This function must guarantee that all\r
  I/O read and write operations are serialized.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoAndThenOr16 (\r
  IN      UINTN                     Port,\r
  IN      UINT16                    AndData,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return IoWrite16 (Port, (UINT16) ((IoRead16 (Port) & AndData) | OrData));\r
}\r
\r
/**\r
  Reads a bit field of an I/O register.\r
\r
  Reads the bit field in a 16-bit I/O register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Port      The I/O port to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
\r
  @return The value read.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoBitFieldRead16 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead16 (IoRead16 (Port), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to an I/O register.\r
\r
  Writes Value to the bit field of the I/O register. The bit field is specified\r
  by the StartBit and the EndBit. All other bits in the destination I/O\r
  register are preserved. The value written to the I/O port is returned. Extra\r
  left bits in Value are stripped.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoBitFieldWrite16 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    Value\r
  )\r
{\r
  return IoWrite16 (\r
           Port,\r
           BitFieldWrite16 (IoRead16 (Port), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the\r
  result back to the bit field in the 16-bit port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 16-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized. Extra left bits in OrData are stripped.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  OrData    The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoBitFieldOr16 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return IoWrite16 (\r
           Port,\r
           BitFieldOr16 (IoRead16 (Port), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the\r
  result back to the bit field in the 16-bit port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 16-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized. Extra left bits in AndData are stripped.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoBitFieldAnd16 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    AndData\r
  )\r
{\r
  return IoWrite16 (\r
           Port,\r
           BitFieldAnd16 (IoRead16 (Port), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
  bitwise OR, and writes the result back to the bit field in the\r
  16-bit port.\r
\r
  Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed\r
  by a bitwise OR between the read result and the value specified by\r
  AndData, and writes the result to the 16-bit I/O port specified by Port. The\r
  value written to the I/O port is returned. This function must guarantee that\r
  all I/O read and write operations are serialized. Extra left bits in both\r
  AndData and OrData are stripped.\r
\r
  If 16-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT16\r
EFIAPI\r
IoBitFieldAndThenOr16 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    AndData,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return IoWrite16 (\r
           Port,\r
           BitFieldAndThenOr16 (IoRead16 (Port), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 32-bit I/O port, performs a bitwise OR, and writes the\r
  result back to the 32-bit I/O port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 32-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  OrData  The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoOr32 (\r
  IN      UINTN                     Port,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return IoWrite32 (Port, IoRead32 (Port) | OrData);\r
}\r
\r
/**\r
  Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back\r
  to the 32-bit I/O port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 32-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoAnd32 (\r
  IN      UINTN                     Port,\r
  IN      UINT32                    AndData\r
  )\r
{\r
  return IoWrite32 (Port, IoRead32 (Port) & AndData);\r
}\r
\r
/**\r
  Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 32-bit I/O port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, performs a bitwise OR\r
  between the result of the AND operation and the value specified by OrData,\r
  and writes the result to the 32-bit I/O port specified by Port. The value\r
  written to the I/O port is returned. This function must guarantee that all\r
  I/O read and write operations are serialized.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoAndThenOr32 (\r
  IN      UINTN                     Port,\r
  IN      UINT32                    AndData,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return IoWrite32 (Port, (IoRead32 (Port) & AndData) | OrData);\r
}\r
\r
/**\r
  Reads a bit field of an I/O register.\r
\r
  Reads the bit field in a 32-bit I/O register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Port      The I/O port to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
\r
  @return The value read.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoBitFieldRead32 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead32 (IoRead32 (Port), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to an I/O register.\r
\r
  Writes Value to the bit field of the I/O register. The bit field is specified\r
  by the StartBit and the EndBit. All other bits in the destination I/O\r
  register are preserved. The value written to the I/O port is returned. Extra\r
  left bits in Value are stripped.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoBitFieldWrite32 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    Value\r
  )\r
{\r
  return IoWrite32 (\r
           Port,\r
           BitFieldWrite32 (IoRead32 (Port), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the\r
  result back to the bit field in the 32-bit port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 32-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized. Extra left bits in OrData are stripped.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  OrData    The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoBitFieldOr32 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return IoWrite32 (\r
           Port,\r
           BitFieldOr32 (IoRead32 (Port), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the\r
  result back to the bit field in the 32-bit port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 32-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized. Extra left bits in AndData are stripped.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoBitFieldAnd32 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    AndData\r
  )\r
{\r
  return IoWrite32 (\r
           Port,\r
           BitFieldAnd32 (IoRead32 (Port), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
  bitwise OR, and writes the result back to the bit field in the\r
  32-bit port.\r
\r
  Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed\r
  by a bitwise OR between the read result and the value specified by\r
  AndData, and writes the result to the 32-bit I/O port specified by Port. The\r
  value written to the I/O port is returned. This function must guarantee that\r
  all I/O read and write operations are serialized. Extra left bits in both\r
  AndData and OrData are stripped.\r
\r
  If 32-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT32\r
EFIAPI\r
IoBitFieldAndThenOr32 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    AndData,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return IoWrite32 (\r
           Port,\r
           BitFieldAndThenOr32 (IoRead32 (Port), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 64-bit I/O port, performs a bitwise OR, and writes the\r
  result back to the 64-bit I/O port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 64-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  OrData  The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoOr64 (\r
  IN      UINTN                     Port,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return IoWrite64 (Port, IoRead64 (Port) | OrData);\r
}\r
\r
/**\r
  Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back\r
  to the 64-bit I/O port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 64-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoAnd64 (\r
  IN      UINTN                     Port,\r
  IN      UINT64                    AndData\r
  )\r
{\r
  return IoWrite64 (Port, IoRead64 (Port) & AndData);\r
}\r
\r
/**\r
  Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 64-bit I/O port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, performs a bitwise OR\r
  between the result of the AND operation and the value specified by OrData,\r
  and writes the result to the 64-bit I/O port specified by Port. The value\r
  written to the I/O port is returned. This function must guarantee that all\r
  I/O read and write operations are serialized.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
\r
  @param  Port    The I/O port to write.\r
  @param  AndData The value to AND with the read value from the I/O port.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoAndThenOr64 (\r
  IN      UINTN                     Port,\r
  IN      UINT64                    AndData,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return IoWrite64 (Port, (IoRead64 (Port) & AndData) | OrData);\r
}\r
\r
/**\r
  Reads a bit field of an I/O register.\r
\r
  Reads the bit field in a 64-bit I/O register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Port      The I/O port to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
\r
  @return The value read.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoBitFieldRead64 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead64 (IoRead64 (Port), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to an I/O register.\r
\r
  Writes Value to the bit field of the I/O register. The bit field is specified\r
  by the StartBit and the EndBit. All other bits in the destination I/O\r
  register are preserved. The value written to the I/O port is returned. Extra\r
  left bits in Value are stripped.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoBitFieldWrite64 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    Value\r
  )\r
{\r
  return IoWrite64 (\r
           Port,\r
           BitFieldWrite64 (IoRead64 (Port), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the\r
  result back to the bit field in the 64-bit port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise OR\r
  between the read result and the value specified by OrData, and writes the\r
  result to the 64-bit I/O port specified by Port. The value written to the I/O\r
  port is returned. This function must guarantee that all I/O read and write\r
  operations are serialized. Extra left bits in OrData are stripped.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  OrData    The value to OR with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoBitFieldOr64 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return IoWrite64 (\r
           Port,\r
           BitFieldOr64 (IoRead64 (Port), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the\r
  result back to the bit field in the 64-bit port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise AND between\r
  the read result and the value specified by AndData, and writes the result to\r
  the 64-bit I/O port specified by Port. The value written to the I/O port is\r
  returned. This function must guarantee that all I/O read and write operations\r
  are serialized. Extra left bits in AndData are stripped.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoBitFieldAnd64 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    AndData\r
  )\r
{\r
  return IoWrite64 (\r
           Port,\r
           BitFieldAnd64 (IoRead64 (Port), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit port, performs a bitwise AND followed by a\r
  bitwise OR, and writes the result back to the bit field in the\r
  64-bit port.\r
\r
  Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed\r
  by a bitwise OR between the read result and the value specified by\r
  AndData, and writes the result to the 64-bit I/O port specified by Port. The\r
  value written to the I/O port is returned. This function must guarantee that\r
  all I/O read and write operations are serialized. Extra left bits in both\r
  AndData and OrData are stripped.\r
\r
  If 64-bit I/O port operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Port      The I/O port to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  AndData   The value to AND with the read value from the I/O port.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the I/O port.\r
\r
**/\r
UINT64\r
EFIAPI\r
IoBitFieldAndThenOr64 (\r
  IN      UINTN                     Port,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    AndData,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return IoWrite64 (\r
           Port,\r
           BitFieldAndThenOr64 (IoRead64 (Port), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads an 8-bit MMIO register, performs a bitwise OR, and writes the\r
  result back to the 8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 8-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  OrData  The value to OR with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioOr8 (\r
  IN      UINTN                     Address,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return MmioWrite8 (Address, (UINT8) (MmioRead8 (Address) | OrData));\r
}\r
\r
/**\r
  Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result\r
  back to the 8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 8-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioAnd8 (\r
  IN      UINTN                     Address,\r
  IN      UINT8                     AndData\r
  )\r
{\r
  return MmioWrite8 (Address, (UINT8) (MmioRead8 (Address) & AndData));\r
}\r
\r
/**\r
  Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, performs a\r
  bitwise OR between the result of the AND operation and the value specified by\r
  OrData, and writes the result to the 8-bit MMIO register specified by\r
  Address. The value written to the MMIO register is returned. This function\r
  must guarantee that all MMIO read and write operations are serialized.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioAndThenOr8 (\r
  IN      UINTN                     Address,\r
  IN      UINT8                     AndData,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return MmioWrite8 (Address, (UINT8) ((MmioRead8 (Address) & AndData) | OrData));\r
}\r
\r
/**\r
  Reads a bit field of a MMIO register.\r
\r
  Reads the bit field in an 8-bit MMIO register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
\r
  @return The value read.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioBitFieldRead8 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead8 (MmioRead8 (Address), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to a MMIO register.\r
\r
  Writes Value to the bit field of the MMIO register. The bit field is\r
  specified by the StartBit and the EndBit. All other bits in the destination\r
  MMIO register are preserved. The new value of the 8-bit register is returned.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioBitFieldWrite8 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     Value\r
  )\r
{\r
  return MmioWrite8 (\r
           Address,\r
           BitFieldWrite8 (MmioRead8 (Address), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and\r
  writes the result back to the bit field in the 8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 8-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized. Extra left bits in OrData\r
  are stripped.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  OrData    The value to OR with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioBitFieldOr8 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return MmioWrite8 (\r
           Address,\r
           BitFieldOr8 (MmioRead8 (Address), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and\r
  writes the result back to the bit field in the 8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 8-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized. Extra left bits in AndData are\r
  stripped.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioBitFieldAnd8 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     AndData\r
  )\r
{\r
  return MmioWrite8 (\r
           Address,\r
           BitFieldAnd8 (MmioRead8 (Address), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed\r
  by a bitwise OR, and writes the result back to the bit field in the\r
  8-bit MMIO register.\r
\r
  Reads the 8-bit MMIO register specified by Address, performs a bitwise AND\r
  followed by a bitwise OR between the read result and the value\r
  specified by AndData, and writes the result to the 8-bit MMIO register\r
  specified by Address. The value written to the MMIO register is returned.\r
  This function must guarantee that all MMIO read and write operations are\r
  serialized. Extra left bits in both AndData and OrData are stripped.\r
\r
  If 8-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 7, then ASSERT().\r
  If EndBit is greater than 7, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..7.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..7.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT8\r
EFIAPI\r
MmioBitFieldAndThenOr8 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT8                     AndData,\r
  IN      UINT8                     OrData\r
  )\r
{\r
  return MmioWrite8 (\r
           Address,\r
           BitFieldAndThenOr8 (MmioRead8 (Address), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 16-bit MMIO register, performs a bitwise OR, and writes the\r
  result back to the 16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 16-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  OrData  The value to OR with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioOr16 (\r
  IN      UINTN                     Address,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return MmioWrite16 (Address, (UINT16) (MmioRead16 (Address) | OrData));\r
}\r
\r
/**\r
  Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result\r
  back to the 16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 16-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioAnd16 (\r
  IN      UINTN                     Address,\r
  IN      UINT16                    AndData\r
  )\r
{\r
  return MmioWrite16 (Address, (UINT16) (MmioRead16 (Address) & AndData));\r
}\r
\r
/**\r
  Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, performs a\r
  bitwise OR between the result of the AND operation and the value specified by\r
  OrData, and writes the result to the 16-bit MMIO register specified by\r
  Address. The value written to the MMIO register is returned. This function\r
  must guarantee that all MMIO read and write operations are serialized.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioAndThenOr16 (\r
  IN      UINTN                     Address,\r
  IN      UINT16                    AndData,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return MmioWrite16 (Address, (UINT16) ((MmioRead16 (Address) & AndData) | OrData));\r
}\r
\r
/**\r
  Reads a bit field of a MMIO register.\r
\r
  Reads the bit field in a 16-bit MMIO register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
\r
  @return The value read.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioBitFieldRead16 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead16 (MmioRead16 (Address), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to a MMIO register.\r
\r
  Writes Value to the bit field of the MMIO register. The bit field is\r
  specified by the StartBit and the EndBit. All other bits in the destination\r
  MMIO register are preserved. The new value of the 16-bit register is returned.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioBitFieldWrite16 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    Value\r
  )\r
{\r
  return MmioWrite16 (\r
           Address,\r
           BitFieldWrite16 (MmioRead16 (Address), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and\r
  writes the result back to the bit field in the 16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 16-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized. Extra left bits in OrData\r
  are stripped.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  OrData    The value to OR with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioBitFieldOr16 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return MmioWrite16 (\r
           Address,\r
           BitFieldOr16 (MmioRead16 (Address), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and\r
  writes the result back to the bit field in the 16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 16-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized. Extra left bits in AndData are\r
  stripped.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioBitFieldAnd16 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    AndData\r
  )\r
{\r
  return MmioWrite16 (\r
           Address,\r
           BitFieldAnd16 (MmioRead16 (Address), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed\r
  by a bitwise OR, and writes the result back to the bit field in the\r
  16-bit MMIO register.\r
\r
  Reads the 16-bit MMIO register specified by Address, performs a bitwise AND\r
  followed by a bitwise OR between the read result and the value\r
  specified by AndData, and writes the result to the 16-bit MMIO register\r
  specified by Address. The value written to the MMIO register is returned.\r
  This function must guarantee that all MMIO read and write operations are\r
  serialized. Extra left bits in both AndData and OrData are stripped.\r
\r
  If 16-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 15, then ASSERT().\r
  If EndBit is greater than 15, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..15.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..15.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT16\r
EFIAPI\r
MmioBitFieldAndThenOr16 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT16                    AndData,\r
  IN      UINT16                    OrData\r
  )\r
{\r
  return MmioWrite16 (\r
           Address,\r
           BitFieldAndThenOr16 (MmioRead16 (Address), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 32-bit MMIO register, performs a bitwise OR, and writes the\r
  result back to the 32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 32-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  OrData  The value to OR with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioOr32 (\r
  IN      UINTN                     Address,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return MmioWrite32 (Address, MmioRead32 (Address) | OrData);\r
}\r
\r
/**\r
  Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result\r
  back to the 32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 32-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioAnd32 (\r
  IN      UINTN                     Address,\r
  IN      UINT32                    AndData\r
  )\r
{\r
  return MmioWrite32 (Address, MmioRead32 (Address) & AndData);\r
}\r
\r
/**\r
  Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, performs a\r
  bitwise OR between the result of the AND operation and the value specified by\r
  OrData, and writes the result to the 32-bit MMIO register specified by\r
  Address. The value written to the MMIO register is returned. This function\r
  must guarantee that all MMIO read and write operations are serialized.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioAndThenOr32 (\r
  IN      UINTN                     Address,\r
  IN      UINT32                    AndData,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return MmioWrite32 (Address, (MmioRead32 (Address) & AndData) | OrData);\r
}\r
\r
/**\r
  Reads a bit field of a MMIO register.\r
\r
  Reads the bit field in a 32-bit MMIO register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
\r
  @return The value read.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioBitFieldRead32 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead32 (MmioRead32 (Address), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to a MMIO register.\r
\r
  Writes Value to the bit field of the MMIO register. The bit field is\r
  specified by the StartBit and the EndBit. All other bits in the destination\r
  MMIO register are preserved. The new value of the 32-bit register is returned.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioBitFieldWrite32 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    Value\r
  )\r
{\r
  return MmioWrite32 (\r
           Address,\r
           BitFieldWrite32 (MmioRead32 (Address), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and\r
  writes the result back to the bit field in the 32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 32-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized. Extra left bits in OrData\r
  are stripped.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  OrData    The value to OR with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioBitFieldOr32 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return MmioWrite32 (\r
           Address,\r
           BitFieldOr32 (MmioRead32 (Address), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and\r
  writes the result back to the bit field in the 32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 32-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized. Extra left bits in AndData are\r
  stripped.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioBitFieldAnd32 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    AndData\r
  )\r
{\r
  return MmioWrite32 (\r
           Address,\r
           BitFieldAnd32 (MmioRead32 (Address), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed\r
  by a bitwise OR, and writes the result back to the bit field in the\r
  32-bit MMIO register.\r
\r
  Reads the 32-bit MMIO register specified by Address, performs a bitwise AND\r
  followed by a bitwise OR between the read result and the value\r
  specified by AndData, and writes the result to the 32-bit MMIO register\r
  specified by Address. The value written to the MMIO register is returned.\r
  This function must guarantee that all MMIO read and write operations are\r
  serialized. Extra left bits in both AndData and OrData are stripped.\r
\r
  If 32-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 31, then ASSERT().\r
  If EndBit is greater than 31, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..31.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..31.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT32\r
EFIAPI\r
MmioBitFieldAndThenOr32 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT32                    AndData,\r
  IN      UINT32                    OrData\r
  )\r
{\r
  return MmioWrite32 (\r
           Address,\r
           BitFieldAndThenOr32 (MmioRead32 (Address), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a 64-bit MMIO register, performs a bitwise OR, and writes the\r
  result back to the 64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 64-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  OrData  The value to OR with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioOr64 (\r
  IN      UINTN                     Address,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return MmioWrite64 (Address, MmioRead64 (Address) | OrData);\r
}\r
\r
/**\r
  Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result\r
  back to the 64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 64-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioAnd64 (\r
  IN      UINTN                     Address,\r
  IN      UINT64                    AndData\r
  )\r
{\r
  return MmioWrite64 (Address, MmioRead64 (Address) & AndData);\r
}\r
\r
/**\r
  Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise\r
  inclusive OR, and writes the result back to the 64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, performs a\r
  bitwise OR between the result of the AND operation and the value specified by\r
  OrData, and writes the result to the 64-bit MMIO register specified by\r
  Address. The value written to the MMIO register is returned. This function\r
  must guarantee that all MMIO read and write operations are serialized.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
\r
\r
  @param  Address The MMIO register to write.\r
  @param  AndData The value to AND with the read value from the MMIO register.\r
  @param  OrData  The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioAndThenOr64 (\r
  IN      UINTN                     Address,\r
  IN      UINT64                    AndData,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return MmioWrite64 (Address, (MmioRead64 (Address) & AndData) | OrData);\r
}\r
\r
/**\r
  Reads a bit field of a MMIO register.\r
\r
  Reads the bit field in a 64-bit MMIO register. The bit field is specified by\r
  the StartBit and the EndBit. The value of the bit field is returned.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to read.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
\r
  @return The value read.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioBitFieldRead64 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit\r
  )\r
{\r
  return BitFieldRead64 (MmioRead64 (Address), StartBit, EndBit);\r
}\r
\r
/**\r
  Writes a bit field to a MMIO register.\r
\r
  Writes Value to the bit field of the MMIO register. The bit field is\r
  specified by the StartBit and the EndBit. All other bits in the destination\r
  MMIO register are preserved. The new value of the 64-bit register is returned.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  Value     The new value of the bit field.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioBitFieldWrite64 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    Value\r
  )\r
{\r
  return MmioWrite64 (\r
           Address,\r
           BitFieldWrite64 (MmioRead64 (Address), StartBit, EndBit, Value)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and\r
  writes the result back to the bit field in the 64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise\r
  inclusive OR between the read result and the value specified by OrData, and\r
  writes the result to the 64-bit MMIO register specified by Address. The value\r
  written to the MMIO register is returned. This function must guarantee that\r
  all MMIO read and write operations are serialized. Extra left bits in OrData\r
  are stripped.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  OrData    The value to OR with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioBitFieldOr64 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return MmioWrite64 (\r
           Address,\r
           BitFieldOr64 (MmioRead64 (Address), StartBit, EndBit, OrData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and\r
  writes the result back to the bit field in the 64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r
  between the read result and the value specified by AndData, and writes the\r
  result to the 64-bit MMIO register specified by Address. The value written to\r
  the MMIO register is returned. This function must guarantee that all MMIO\r
  read and write operations are serialized. Extra left bits in AndData are\r
  stripped.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioBitFieldAnd64 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    AndData\r
  )\r
{\r
  return MmioWrite64 (\r
           Address,\r
           BitFieldAnd64 (MmioRead64 (Address), StartBit, EndBit, AndData)\r
           );\r
}\r
\r
/**\r
  Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed\r
  by a bitwise OR, and writes the result back to the bit field in the\r
  64-bit MMIO register.\r
\r
  Reads the 64-bit MMIO register specified by Address, performs a bitwise AND\r
  followed by a bitwise OR between the read result and the value\r
  specified by AndData, and writes the result to the 64-bit MMIO register\r
  specified by Address. The value written to the MMIO register is returned.\r
  This function must guarantee that all MMIO read and write operations are\r
  serialized. Extra left bits in both AndData and OrData are stripped.\r
\r
  If 64-bit MMIO register operations are not supported, then ASSERT().\r
  If StartBit is greater than 63, then ASSERT().\r
  If EndBit is greater than 63, then ASSERT().\r
  If EndBit is less than StartBit, then ASSERT().\r
  If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
  If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().\r
\r
  @param  Address   The MMIO register to write.\r
  @param  StartBit  The ordinal of the least significant bit in the bit field.\r
                    Range 0..63.\r
  @param  EndBit    The ordinal of the most significant bit in the bit field.\r
                    Range 0..63.\r
  @param  AndData   The value to AND with read value from the MMIO register.\r
  @param  OrData    The value to OR with the result of the AND operation.\r
\r
  @return The value written back to the MMIO register.\r
\r
**/\r
UINT64\r
EFIAPI\r
MmioBitFieldAndThenOr64 (\r
  IN      UINTN                     Address,\r
  IN      UINTN                     StartBit,\r
  IN      UINTN                     EndBit,\r
  IN      UINT64                    AndData,\r
  IN      UINT64                    OrData\r
  )\r
{\r
  return MmioWrite64 (\r
           Address,\r
           BitFieldAndThenOr64 (MmioRead64 (Address), StartBit, EndBit, AndData, OrData)\r
           );\r
}\r