--- /dev/null
+/*++\r
+ \r
+Copyright (c) 2004 - 2006, Intel Corporation \r
+All rights reserved. This program and the accompanying materials \r
+are licensed and made available under the terms and conditions of the BSD License \r
+which accompanies this distribution. The full text of the license may be found at \r
+http://opensource.org/licenses/bsd-license.php \r
+ \r
+THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, \r
+WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. \r
+\r
+\r
+Module Name:\r
+\r
+ EdkIIGlueIoLib.h\r
+ \r
+Abstract: \r
+\r
+ Public header file for IO Lib\r
+\r
+--*/\r
+\r
+#ifndef __EDKII_GLUE_IO_LIB_H__\r
+#define __EDKII_GLUE_IO_LIB_H__\r
+\r
+\r
+#define IoRead8(_PORT) GlueIoRead8(_PORT)\r
+#define IoWrite8(_PORT,_VALUE) GlueIoWrite8(_PORT,_VALUE)\r
+#define IoRead16(_PORT) GlueIoRead16(_PORT)\r
+#define IoWrite16(_PORT,_VALUE) GlueIoWrite16(_PORT,_VALUE)\r
+#define IoRead32(_PORT) GlueIoRead32(_PORT)\r
+#define IoWrite32(_PORT,_VALUE) GlueIoWrite32(_PORT,_VALUE)\r
+\r
+\r
+#define IO_LIB_ADDRESS(Segment,Port) \\r
+ ( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) )\r
+\r
+/**\r
+ Reads an 8-bit I/O port.\r
+\r
+ Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.\r
+ This function must guarantee that all I/O read and write operations are\r
+ serialized.\r
+\r
+ If 8-bit I/O port operations are not supported, then ASSERT().\r
+\r
+ @param Port The I/O port to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+GlueIoRead8 (\r
+ IN UINTN Port\r
+ );\r
+\r
+/**\r
+ Writes an 8-bit I/O port.\r
+\r
+ Writes the 8-bit I/O port specified by Port with the value specified by Value\r
+ and returns Value. 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 Value The value to write to the I/O port.\r
+\r
+ @return The value written the I/O port.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+GlueIoWrite8 (\r
+ IN UINTN Port,\r
+ IN UINT8 Value\r
+ );\r
+\r
+/**\r
+ Reads an 8-bit I/O port, performs a bitwise inclusive 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 inclusive 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
+/**\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
+/**\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
+/**\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
+/**\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
+\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 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
+/**\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 inclusive 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
+\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
+/**\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
+\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
+/**\r
+ Reads a bit field in an 8-bit port, performs a bitwise AND followed by a\r
+ bitwise inclusive 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 inclusive 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
+\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
+/**\r
+ Reads a 16-bit I/O port.\r
+\r
+ Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.\r
+ This function must guarantee that all I/O read and write operations are\r
+ serialized.\r
+\r
+ If 16-bit I/O port operations are not supported, then ASSERT().\r
+\r
+ @param Port The I/O port to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+GlueIoRead16 (\r
+ IN UINTN Port\r
+ );\r
+\r
+/**\r
+ Writes a 16-bit I/O port.\r
+\r
+ Writes the 16-bit I/O port specified by Port with the value specified by Value\r
+ and returns Value. 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 Value The value to write to the I/O port.\r
+\r
+ @return The value written the I/O port.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+GlueIoWrite16 (\r
+ IN UINTN Port,\r
+ IN UINT16 Value\r
+ );\r
+\r
+/**\r
+ Reads a 16-bit I/O port, performs a bitwise inclusive 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 inclusive 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
+/**\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
+/**\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
+/**\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
+/**\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
+\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 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
+/**\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 inclusive 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
+\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
+/**\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
+\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
+/**\r
+ Reads a bit field in a 16-bit port, performs a bitwise AND followed by a\r
+ bitwise inclusive 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 inclusive 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
+\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
+/**\r
+ Reads a 32-bit I/O port.\r
+\r
+ Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.\r
+ This function must guarantee that all I/O read and write operations are\r
+ serialized.\r
+\r
+ If 32-bit I/O port operations are not supported, then ASSERT().\r
+\r
+ @param Port The I/O port to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+GlueIoRead32 (\r
+ IN UINTN Port\r
+ );\r
+\r
+/**\r
+ Writes a 32-bit I/O port.\r
+\r
+ Writes the 32-bit I/O port specified by Port with the value specified by Value\r
+ and returns Value. 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 Value The value to write to the I/O port.\r
+\r
+ @return The value written the I/O port.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+GlueIoWrite32 (\r
+ IN UINTN Port,\r
+ IN UINT32 Value\r
+ );\r
+\r
+/**\r
+ Reads a 32-bit I/O port, performs a bitwise inclusive 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 inclusive 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
+/**\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
+/**\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
+/**\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
+/**\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
+\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 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
+/**\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 inclusive 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
+\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
+/**\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
+\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
+/**\r
+ Reads a bit field in a 32-bit port, performs a bitwise AND followed by a\r
+ bitwise inclusive 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 inclusive 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
+\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
+/**\r
+ Reads a 64-bit I/O port.\r
+\r
+ Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.\r
+ This function must guarantee that all I/O read and write operations are\r
+ serialized.\r
+\r
+ If 64-bit I/O port operations are not supported, then ASSERT().\r
+\r
+ @param Port The I/O port to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT64\r
+EFIAPI\r
+IoRead64 (\r
+ IN UINTN Port\r
+ );\r
+\r
+/**\r
+ Writes a 64-bit I/O port.\r
+\r
+ Writes the 64-bit I/O port specified by Port with the value specified by Value\r
+ and returns Value. 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 Value The value to write to the I/O port.\r
+\r
+ @return The value written the I/O port.\r
+\r
+**/\r
+UINT64\r
+EFIAPI\r
+IoWrite64 (\r
+ IN UINTN Port,\r
+ IN UINT64 Value\r
+ );\r
+\r
+/**\r
+ Reads a 64-bit I/O port, performs a bitwise inclusive 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 inclusive 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
+/**\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
+/**\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
+/**\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
+/**\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
+\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 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
+/**\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 inclusive 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
+\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
+/**\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
+\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
+/**\r
+ Reads a bit field in a 64-bit port, performs a bitwise AND followed by a\r
+ bitwise inclusive 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 inclusive 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
+\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
+/**\r
+ Reads an 8-bit MMIO register.\r
+\r
+ Reads the 8-bit MMIO register specified by Address. The 8-bit read value is\r
+ returned. This function must guarantee that all MMIO read and write\r
+ operations are serialized.\r
+\r
+ If 8-bit MMIO register operations are not supported, then ASSERT().\r
+\r
+ @param Address The MMIO register to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+MmioRead8 (\r
+ IN UINTN Address\r
+ );\r
+\r
+/**\r
+ Writes an 8-bit MMIO register.\r
+\r
+ Writes the 8-bit MMIO register specified by Address with the value specified\r
+ by Value and returns Value. This function must guarantee that all MMIO read\r
+ 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 Value The value to write to the MMIO register.\r
+\r
+**/\r
+UINT8\r
+EFIAPI\r
+MmioWrite8 (\r
+ IN UINTN Address,\r
+ IN UINT8 Value\r
+ );\r
+\r
+/**\r
+ Reads an 8-bit MMIO register, performs a bitwise inclusive 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
+/**\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
+/**\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
+/**\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 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
+/**\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
+\r
+ @param Address 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 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
+/**\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
+\r
+ @param Address 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
+/**\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
+\r
+ @param Address 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
+/**\r
+ Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed\r
+ by a bitwise inclusive 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 inclusive 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
+\r
+ @param Address 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
+/**\r
+ Reads a 16-bit MMIO register.\r
+\r
+ Reads the 16-bit MMIO register specified by Address. The 16-bit read value is\r
+ returned. This function must guarantee that all MMIO read and write\r
+ operations are serialized.\r
+\r
+ If 16-bit MMIO register operations are not supported, then ASSERT().\r
+\r
+ @param Address The MMIO register to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+MmioRead16 (\r
+ IN UINTN Address\r
+ );\r
+\r
+/**\r
+ Writes a 16-bit MMIO register.\r
+\r
+ Writes the 16-bit MMIO register specified by Address with the value specified\r
+ by Value and returns Value. This function must guarantee that all MMIO read\r
+ 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 Value The value to write to the MMIO register.\r
+\r
+**/\r
+UINT16\r
+EFIAPI\r
+MmioWrite16 (\r
+ IN UINTN Address,\r
+ IN UINT16 Value\r
+ );\r
+\r
+/**\r
+ Reads a 16-bit MMIO register, performs a bitwise inclusive 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
+/**\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
+/**\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
+/**\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 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
+/**\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
+\r
+ @param Address 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 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
+/**\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
+\r
+ @param Address 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
+/**\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
+\r
+ @param Address 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
+/**\r
+ Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed\r
+ by a bitwise inclusive 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 inclusive 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
+\r
+ @param Address 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
+/**\r
+ Reads a 32-bit MMIO register.\r
+\r
+ Reads the 32-bit MMIO register specified by Address. The 32-bit read value is\r
+ returned. This function must guarantee that all MMIO read and write\r
+ operations are serialized.\r
+\r
+ If 32-bit MMIO register operations are not supported, then ASSERT().\r
+\r
+ @param Address The MMIO register to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+MmioRead32 (\r
+ IN UINTN Address\r
+ );\r
+\r
+/**\r
+ Writes a 32-bit MMIO register.\r
+\r
+ Writes the 32-bit MMIO register specified by Address with the value specified\r
+ by Value and returns Value. This function must guarantee that all MMIO read\r
+ 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 Value The value to write to the MMIO register.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+MmioWrite32 (\r
+ IN UINTN Address,\r
+ IN UINT32 Value\r
+ );\r
+\r
+/**\r
+ Reads a 32-bit MMIO register, performs a bitwise inclusive 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
+/**\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
+/**\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
+/**\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 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
+/**\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
+\r
+ @param Address 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 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
+/**\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
+\r
+ @param Address 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
+/**\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
+\r
+ @param Address 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
+/**\r
+ Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed\r
+ by a bitwise inclusive 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 inclusive 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
+\r
+ @param Address 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
+/**\r
+ Reads a 64-bit MMIO register.\r
+\r
+ Reads the 64-bit MMIO register specified by Address. The 64-bit read value is\r
+ returned. This function must guarantee that all MMIO read and write\r
+ operations are serialized.\r
+\r
+ If 64-bit MMIO register operations are not supported, then ASSERT().\r
+\r
+ @param Address The MMIO register to read.\r
+\r
+ @return The value read.\r
+\r
+**/\r
+UINT64\r
+EFIAPI\r
+MmioRead64 (\r
+ IN UINTN Address\r
+ );\r
+\r
+/**\r
+ Writes a 64-bit MMIO register.\r
+\r
+ Writes the 64-bit MMIO register specified by Address with the value specified\r
+ by Value and returns Value. This function must guarantee that all MMIO read\r
+ 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 Value The value to write to the MMIO register.\r
+\r
+**/\r
+UINT64\r
+EFIAPI\r
+MmioWrite64 (\r
+ IN UINTN Address,\r
+ IN UINT64 Value\r
+ );\r
+\r
+/**\r
+ Reads a 64-bit MMIO register, performs a bitwise inclusive 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
+/**\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
+/**\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
+/**\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 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
+/**\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
+\r
+ @param Address 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 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
+/**\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
+\r
+ @param Address 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
+/**\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
+\r
+ @param Address 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
+/**\r
+ Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed\r
+ by a bitwise inclusive 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 inclusive 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
+\r
+ @param Address 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
+/**\r
+ Copy data from MMIO region to system memory by using 8-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 8-bit access. The total \r
+ number of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied from.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+MmioReadBuffer8 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT8 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 16-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 16-bit access. The total \r
+ number of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 16-bit boundary, then ASSERT().\r
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied from.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT16 *\r
+EFIAPI\r
+MmioReadBuffer16 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT16 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 32-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 32-bit access. The total \r
+ number of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 32-bit boundary, then ASSERT().\r
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied from.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT32 *\r
+EFIAPI\r
+MmioReadBuffer32 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT32 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from MMIO region to system memory by using 64-bit access.\r
+\r
+ Copy data from MMIO region specified by starting address StartAddress \r
+ to system memory specified by Buffer by using 64-bit access. The total \r
+ number of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 64-bit boundary, then ASSERT().\r
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied from.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer receiving the data read.\r
+\r
+ @return Buffer\r
+\r
+**/\r
+UINT64 *\r
+EFIAPI\r
+MmioReadBuffer64 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ OUT UINT64 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 8-bit access.\r
+\r
+ Copy data from system memory specified by Buffer to MMIO region specified \r
+ by starting address StartAddress by using 8-bit access. The total number \r
+ of byte to be copied is specified by Length. Buffer is returned.\r
+ \r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied to.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT8 *\r
+EFIAPI\r
+MmioWriteBuffer8 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT8 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 16-bit access.\r
+\r
+ Copy data from system memory specified by Buffer to MMIO region specified \r
+ by starting address StartAddress by using 16-bit access. The total number \r
+ of byte to be copied is specified by Length. Length is returned.\r
+ \r
+ If StartAddress is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied to.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT16 *\r
+EFIAPI\r
+MmioWriteBuffer16 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT16 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 32-bit access.\r
+\r
+ Copy data from system memory specified by Buffer to MMIO region specified \r
+ by starting address StartAddress by using 32-bit access. The total number \r
+ of byte to be copied is specified by Length. Length is returned.\r
+ \r
+ If StartAddress is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied to.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT32 *\r
+EFIAPI\r
+MmioWriteBuffer32 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT32 *Buffer\r
+ );\r
+\r
+/**\r
+ Copy data from system memory to MMIO region by using 64-bit access.\r
+\r
+ Copy data from system memory specified by Buffer to MMIO region specified \r
+ by starting address StartAddress by using 64-bit access. The total number \r
+ of byte to be copied is specified by Length. Length is returned.\r
+ \r
+ If StartAddress is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().\r
+\r
+ If Length is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
+\r
+ @param StartAddress Starting address for the MMIO region to be copied to.\r
+ @param Length Size in bytes of the copy.\r
+ @param Buffer Pointer to a system memory buffer containing the data to write.\r
+\r
+ @return Size in bytes of the copy.\r
+\r
+**/\r
+UINT64 *\r
+EFIAPI\r
+MmioWriteBuffer64 (\r
+ IN UINTN StartAddress,\r
+ IN UINTN Length,\r
+ IN CONST UINT64 *Buffer\r
+ );\r
+\r
+\r
+#endif\r
+\r
projects / mirror_edk2.git / blobdiff