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MdePkg[all]
1.08
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MdePkg[all]
1.08
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I/O and MMIO Library Services that do I/O and also enable the I/O operation to be replayed during an S3 resume. This library class maps directly on top of the IoLib class.
Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.
SPDX-License-Identifier: BSD-2-Clause-Patent
Reads a 16-bit I/O port, performs a bitwise AND, writes the result back to the 16-bit I/O port , and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
Reads a 32-bit I/O port, performs a bitwise AND, writes the result back to the 32-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
Reads a 64-bit I/O port, performs a bitwise AND, writes the result back to the 64-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 64-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
Reads an 8-bit I/O port, performs a bitwise AND, writes the result back to the 8-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 16-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 32-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 64-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 64-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 8-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT16 EFIAPI S3IoBitFieldAnd16 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | AndData | ||
| ) |
Reads a bit field in a 16-bit port, performs a bitwise AND, writes the result back to the bit field in the 16-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in AndData are stripped.
If 16-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| UINT32 EFIAPI S3IoBitFieldAnd32 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | AndData | ||
| ) |
Reads a bit field in a 32-bit port, performs a bitwise AND, writes the result back to the bit field in the 32-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in AndData are stripped.
If 32-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| UINT64 EFIAPI S3IoBitFieldAnd64 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | AndData | ||
| ) |
Reads a bit field in a 64-bit port, performs a bitwise AND, writes the result back to the bit field in the 64-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in AndData are stripped.
If 64-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| UINT8 EFIAPI S3IoBitFieldAnd8 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | AndData | ||
| ) |
Reads a bit field in an 8-bit port, performs a bitwise AND, writes the result back to the bit field in the 8-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in AndData are stripped.
If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| UINT16 EFIAPI S3IoBitFieldAndThenOr16 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | AndData, | ||
| IN UINT16 | OrData | ||
| ) |
Reads a bit field in a 16-bit port, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 16-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 16-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT32 EFIAPI S3IoBitFieldAndThenOr32 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | AndData, | ||
| IN UINT32 | OrData | ||
| ) |
Reads a bit field in a 32-bit port, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 32-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 32-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT64 EFIAPI S3IoBitFieldAndThenOr64 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | AndData, | ||
| IN UINT64 | OrData | ||
| ) |
Reads a bit field in a 64-bit port, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 64-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 64-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT8 EFIAPI S3IoBitFieldAndThenOr8 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | AndData, | ||
| IN UINT8 | OrData | ||
| ) |
Reads a bit field in an 8-bit port, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 8-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | AndData | The value to AND with the read value from the I/O port. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT16 EFIAPI S3IoBitFieldOr16 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | OrData | ||
| ) |
Reads a bit field in a 16-bit port, performs a bitwise OR, writes the result back to the bit field in the 16-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in OrData are stripped.
If 16-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
| UINT32 EFIAPI S3IoBitFieldOr32 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | OrData | ||
| ) |
Reads a bit field in a 32-bit port, performs a bitwise OR, writes the result back to the bit field in the 32-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in OrData are stripped.
If 32-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
| UINT64 EFIAPI S3IoBitFieldOr64 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | OrData | ||
| ) |
Reads a bit field in a 64-bit port, performs a bitwise OR, writes the result back to the bit field in the 64-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in OrData are stripped.
If 64-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads a bit field in an 8-bit port, performs a bitwise OR, writes the result back to the bit field in the 8-bit port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized. Extra left bits in OrData are stripped.
If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads a bit field of an I/O register saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 16-bit I/O register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 16-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Port | The I/O port to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
Reads a bit field of an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 32-bit I/O register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 32-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Port | The I/O port to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
Reads a bit field of an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 64-bit I/O register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 64-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Port | The I/O port to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
Reads a bit field of an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in an 8-bit I/O register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Port | The I/O port to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| UINT16 EFIAPI S3IoBitFieldWrite16 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | Value | ||
| ) |
Writes a bit field to an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the I/O register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination I/O register are preserved. The value written to the I/O port is returned. Extra left bits in Value are stripped.
If 16-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | Value | New value of the bit field. |
| UINT32 EFIAPI S3IoBitFieldWrite32 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | Value | ||
| ) |
Writes a bit field to an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the I/O register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination I/O register are preserved. The value written to the I/O port is returned. Extra left bits in Value are stripped.
If 32-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | Value | New value of the bit field. |
| UINT64 EFIAPI S3IoBitFieldWrite64 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | Value | ||
| ) |
Writes a bit field to an I/O register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the I/O register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination I/O register are preserved. The value written to the I/O port is returned. Extra left bits in Value are stripped.
If 64-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | Value | New value of the bit field. |
| UINT8 EFIAPI S3IoBitFieldWrite8 | ( | IN UINTN | Port, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | Value | ||
| ) |
Writes a bit field to an I/O register and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the I/O register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination I/O register are preserved. The value written to the I/O port is returned. Remaining bits in Value are stripped.
If 8-bit I/O port operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | Value | New value of the bit field. |
Reads a 16-bit I/O port, performs a bitwise OR, writes the result back to the 16-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 16-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads a 32-bit I/O port, performs a bitwise OR, writes the result back to the 32-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 32-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads a 64-bit I/O port, performs a bitwise OR, writes the result back to the 64-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 64-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 64-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads an 8-bit I/O port, performs a bitwise OR, writes the result back to the 8-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port, performs a bitwise OR between the read result and the value specified by OrData, and writes the result to the 8-bit I/O port specified by Port. The value written to the I/O port is returned. This function must guarantee that all I/O read and write operations are serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | OrData | The value to OR with the read value from the I/O port. |
Reads a 16-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned. This function must guarantee that all I/O read and write operations are serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to read. |
Reads a 32-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned. This function must guarantee that all I/O read and write operations are serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to read. |
Reads a 64-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned. This function must guarantee that all I/O read and write operations are serialized.
If 64-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to read. |
Reads an 8-bit I/O port and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned. This function must guarantee that all I/O read and write operations are serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to read. |
Writes a 16-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 16-bit I/O port specified by Port with the value specified by Value and returns Value. This function must guarantee that all I/O read and write operations are serialized.
If 16-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | Value | The value to write to the I/O port. |
Writes a 32-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 32-bit I/O port specified by Port with the value specified by Value and returns Value. This function must guarantee that all I/O read and write operations are serialized.
If 32-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | Value | The value to write to the I/O port. |
Writes a 64-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 64-bit I/O port specified by Port with the value specified by Value and returns Value. This function must guarantee that all I/O read and write operations are serialized.
If 64-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | Value | The value to write to the I/O port. |
Writes an 8-bit I/O port, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 8-bit I/O port specified by Port with the value specified by Value and returns Value. This function must guarantee that all I/O read and write operations are serialized.
If 8-bit I/O port operations are not supported, then ASSERT().
| [in] | Port | The I/O port to write. |
| [in] | Value | The value to write to the I/O port. |
Reads a 16-bit MMIO register, performs a bitwise AND, writes the result back to the 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 16-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
Reads a 32-bit MMIO register, performs a bitwise AND, writes the result back to the 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 32-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
Reads a 64-bit MMIO register, performs a bitwise AND, writes the result back to the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 64-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
Reads an 8-bit MMIO register, performs a bitwise AND, writes the result back to the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 8-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 16-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 32-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 64-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise inclusive OR, writes the result back to the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, performs a bitwise OR between the result of the AND operation and the value specified by OrData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 8-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT16 EFIAPI S3MmioBitFieldAnd16 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | AndData | ||
| ) |
Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and writes the result back to the bit field in the 16-bit MMIO register and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in AndData are stripped.
If 16-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| UINT32 EFIAPI S3MmioBitFieldAnd32 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | AndData | ||
| ) |
Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and writes the result back to the bit field in the 32-bit MMIO register and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in AndData are stripped.
If 32-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| UINT64 EFIAPI S3MmioBitFieldAnd64 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | AndData | ||
| ) |
Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and writes the result back to the bit field in the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in AndData are stripped.
If 64-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| UINT8 EFIAPI S3MmioBitFieldAnd8 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | AndData | ||
| ) |
Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and writes the result back to the bit field in the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND between the read result and the value specified by AndData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in AndData are stripped.
If 8-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| UINT16 EFIAPI S3MmioBitFieldAndThenOr16 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | AndData, | ||
| IN UINT16 | OrData | ||
| ) |
Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 16-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT32 EFIAPI S3MmioBitFieldAndThenOr32 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | AndData, | ||
| IN UINT32 | OrData | ||
| ) |
Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 32-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT64 EFIAPI S3MmioBitFieldAndThenOr64 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | AndData, | ||
| IN UINT64 | OrData | ||
| ) |
Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 64-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT8 EFIAPI S3MmioBitFieldAndThenOr8 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | AndData, | ||
| IN UINT8 | OrData | ||
| ) |
Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed by a bitwise OR, writes the result back to the bit field in the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND followed by a bitwise OR between the read result and the value specified by AndData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in both AndData and OrData are stripped.
If 8-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | AndData | The value to AND with the read value from the MMIO register. |
| [in] | OrData | The value to OR with the result of the AND operation. |
| UINT16 EFIAPI S3MmioBitFieldOr16 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | OrData | ||
| ) |
Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, writes the result back to the bit field in the 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in OrData are stripped.
If 16-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
| UINT32 EFIAPI S3MmioBitFieldOr32 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | OrData | ||
| ) |
Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, writes the result back to the bit field in the 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in OrData are stripped.
If 32-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
| UINT64 EFIAPI S3MmioBitFieldOr64 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | OrData | ||
| ) |
Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, writes the result back to the bit field in the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in OrData are stripped.
If 64-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
| UINT8 EFIAPI S3MmioBitFieldOr8 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | OrData | ||
| ) |
Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, writes the result back to the bit field in the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized. Extra left bits in OrData are stripped.
If 8-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
Reads a bit field of a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 16-bit MMIO register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 16-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Address | MMIO register to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
Reads a bit field of a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 32-bit MMIO register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 32-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Address | MMIO register to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
Reads a bit field of a MMIO register saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in a 64-bit MMIO register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 64-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Address | MMIO register to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
Reads a bit field of a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the bit field in an 8-bit MMIO register. The bit field is specified by the StartBit and the EndBit. The value of the bit field is returned.
If 8-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT().
| [in] | Address | MMIO register to read. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| UINT16 EFIAPI S3MmioBitFieldWrite16 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT16 | Value | ||
| ) |
Writes a bit field to a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the MMIO register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination MMIO register are preserved. The new value of the 16-bit register is returned.
If 16-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 15, then ASSERT(). If EndBit is greater than 15, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..15. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..15. |
| [in] | Value | New value of the bit field. |
| UINT32 EFIAPI S3MmioBitFieldWrite32 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT32 | Value | ||
| ) |
Writes a bit field to a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the MMIO register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination MMIO register are preserved. The new value of the 32-bit register is returned.
If 32-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 31, then ASSERT(). If EndBit is greater than 31, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..31. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..31. |
| [in] | Value | New value of the bit field. |
| UINT64 EFIAPI S3MmioBitFieldWrite64 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT64 | Value | ||
| ) |
Writes a bit field to a MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the MMIO register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination MMIO register are preserved. The new value of the 64-bit register is returned.
If 64-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 63, then ASSERT(). If EndBit is greater than 63, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..63. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..63. |
| [in] | Value | New value of the bit field. |
| UINT8 EFIAPI S3MmioBitFieldWrite8 | ( | IN UINTN | Address, |
| IN UINTN | StartBit, | ||
| IN UINTN | EndBit, | ||
| IN UINT8 | Value | ||
| ) |
Writes a bit field to an MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes Value to the bit field of the MMIO register. The bit field is specified by the StartBit and the EndBit. All other bits in the destination MMIO register are preserved. The new value of the 8-bit register is returned.
If 8-bit MMIO register operations are not supported, then ASSERT(). If StartBit is greater than 7, then ASSERT(). If EndBit is greater than 7, then ASSERT(). If EndBit is less than StartBit, then ASSERT(). If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | StartBit | The ordinal of the least significant bit in the bit field. Range 0..7. |
| [in] | EndBit | The ordinal of the most significant bit in the bit field. Range 0..7. |
| [in] | Value | New value of the bit field. |
Reads a 16-bit MMIO register, performs a bitwise OR, writes the result back to the 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 16-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 16-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
Reads a 32-bit MMIO register, performs a bitwise OR, writes the result back to the 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 32-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 32-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
Reads a 64-bit MMIO register, performs a bitwise OR, writes the result back to the 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 64-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 64-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
Reads an 8-bit MMIO register, performs a bitwise OR, writes the result back to the 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address, performs a bitwise inclusive OR between the read result and the value specified by OrData, and writes the result to the 8-bit MMIO register specified by Address. The value written to the MMIO register is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 8-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | OrData | The value to OR with the read value from the MMIO register. |
Reads a 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 16-bit MMIO register specified by Address. The 16-bit read value is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 16-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to read. |
Reads a 32-bit MMIO register saves the value in the S3 script to be replayed on S3 resume.
Reads the 32-bit MMIO register specified by Address. The 32-bit read value is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 32-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to read. |
Reads a 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 64-bit MMIO register specified by Address. The 64-bit read value is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 64-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to read. |
Reads an 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Reads the 8-bit MMIO register specified by Address. The 8-bit read value is returned. This function must guarantee that all MMIO read and write operations are serialized.
If 8-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to read. |
Copies data from MMIO region to system memory by using 16-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from MMIO region specified by starting address StartAddress to system memory specified by Buffer by using 16-bit access. The total number of bytes to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
If Length is not aligned on a 16-bit boundary, then ASSERT(). If Buffer is not aligned on a 16-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied from. |
| [in] | Length | Size in bytes of the copy. |
| [out] | Buffer | Pointer to a system memory buffer receiving the data read. |
Copies data from MMIO region to system memory by using 32-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from MMIO region specified by starting address StartAddress to system memory specified by Buffer by using 32-bit access. The total number of byte to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
If Length is not aligned on a 32-bit boundary, then ASSERT(). If Buffer is not aligned on a 32-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied from. |
| [in] | Length | Size in bytes of the copy. |
| [out] | Buffer | Pointer to a system memory buffer receiving the data read. |
Copies data from MMIO region to system memory by using 64-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from MMIO region specified by starting address StartAddress to system memory specified by Buffer by using 64-bit access. The total number of byte to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
If Length is not aligned on a 64-bit boundary, then ASSERT(). If Buffer is not aligned on a 64-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied from. |
| [in] | Length | Size in bytes of the copy. |
| [out] | Buffer | Pointer to a system memory buffer receiving the data read. |
Copies data from MMIO region to system memory by using 8-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from MMIO region specified by starting address StartAddress to system memory specified by Buffer by using 8-bit access. The total number of bytes to be copied is specified by Length. Buffer is returned.
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied from. |
| [in] | Length | Size in bytes of the copy. |
| [out] | Buffer | Pointer to a system memory buffer receiving the data read. |
Writes a 16-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 16-bit MMIO register specified by Address with the value specified by Value and returns Value. This function must guarantee that all MMIO read and write operations are serialized, and saves the value in the S3 script to be replayed on S3 resume.
If 16-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | Value | The value to write to the MMIO register. |
Writes a 32-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 32-bit MMIO register specified by Address with the value specified by Value and returns Value. This function must guarantee that all MMIO read and write operations are serialized.
If 32-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | Value | The value to write to the MMIO register. |
Writes a 64-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 64-bit MMIO register specified by Address with the value specified by Value and returns Value. This function must guarantee that all MMIO read and write operations are serialized.
If 64-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | Value | The value to write to the MMIO register. |
Writes an 8-bit MMIO register, and saves the value in the S3 script to be replayed on S3 resume.
Writes the 8-bit MMIO register specified by Address with the value specified by Value and returns Value. This function must guarantee that all MMIO read and write operations are serialized.
If 8-bit MMIO register operations are not supported, then ASSERT().
| [in] | Address | The MMIO register to write. |
| [in] | Value | The value to write to the MMIO register. |
| UINT16* EFIAPI S3MmioWriteBuffer16 | ( | IN UINTN | StartAddress, |
| IN UINTN | Length, | ||
| IN CONST UINT16 * | Buffer | ||
| ) |
Copies data from system memory to MMIO region by using 16-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from system memory specified by Buffer to MMIO region specified by starting address StartAddress by using 16-bit access. The total number of bytes to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
If Length is not aligned on a 16-bit boundary, then ASSERT().
If Buffer is not aligned on a 16-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied to. |
| [in] | Length | Size in bytes of the copy. |
| [in] | Buffer | Pointer to a system memory buffer containing the data to write. |
| UINT32* EFIAPI S3MmioWriteBuffer32 | ( | IN UINTN | StartAddress, |
| IN UINTN | Length, | ||
| IN CONST UINT32 * | Buffer | ||
| ) |
Copies data from system memory to MMIO region by using 32-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from system memory specified by Buffer to MMIO region specified by starting address StartAddress by using 32-bit access. The total number of bytes to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
If Length is not aligned on a 32-bit boundary, then ASSERT().
If Buffer is not aligned on a 32-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied to. |
| [in] | Length | Size in bytes of the copy. |
| [in] | Buffer | Pointer to a system memory buffer containing the data to write. |
| UINT64* EFIAPI S3MmioWriteBuffer64 | ( | IN UINTN | StartAddress, |
| IN UINTN | Length, | ||
| IN CONST UINT64 * | Buffer | ||
| ) |
Copies data from system memory to MMIO region by using 64-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from system memory specified by Buffer to MMIO region specified by starting address StartAddress by using 64-bit access. The total number of bytes to be copied is specified by Length. Buffer is returned.
If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
If Length is not aligned on a 64-bit boundary, then ASSERT().
If Buffer is not aligned on a 64-bit boundary, then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied to. |
| [in] | Length | Size in bytes of the copy. |
| [in] | Buffer | Pointer to a system memory buffer containing the data to write. |
| UINT8* EFIAPI S3MmioWriteBuffer8 | ( | IN UINTN | StartAddress, |
| IN UINTN | Length, | ||
| IN CONST UINT8 * | Buffer | ||
| ) |
Copies data from system memory to MMIO region by using 8-bit access, and saves the value in the S3 script to be replayed on S3 resume.
Copy data from system memory specified by Buffer to MMIO region specified by starting address StartAddress by using 8-bit access. The total number of byte to be copied is specified by Length. Buffer is returned.
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT(). If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
| [in] | StartAddress | Starting address for the MMIO region to be copied to. |
| [in] | Length | Size in bytes of the copy. |
| [in] | Buffer | Pointer to a system memory buffer containing the data to write. |
1.8.6 
