9344f09215
https://bugzilla.tianocore.org/show_bug.cgi?id=1373 Replace BSD 2-Clause License with BSD+Patent License. This change is based on the following emails: https://lists.01.org/pipermail/edk2-devel/2019-February/036260.html https://lists.01.org/pipermail/edk2-devel/2018-October/030385.html RFCs with detailed process for the license change: V3: https://lists.01.org/pipermail/edk2-devel/2019-March/038116.html V2: https://lists.01.org/pipermail/edk2-devel/2019-March/037669.html V1: https://lists.01.org/pipermail/edk2-devel/2019-March/037500.html Contributed-under: TianoCore Contribution Agreement 1.1 Signed-off-by: Michael D Kinney <michael.d.kinney@intel.com> Reviewed-by: Liming Gao <liming.gao@intel.com>
2810 lines
100 KiB
C
2810 lines
100 KiB
C
/** @file
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Provide services to access I/O Ports and MMIO registers.
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Copyright (c) 2006 - 2018, Intel Corporation. All rights reserved.<BR>
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Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#ifndef __IO_LIB_H__
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#define __IO_LIB_H__
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/**
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Macro that converts PCI Segment and I/O Port to an address that can be
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passed to the I/O Library functions.
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Computes an address that is compatible with the I/O Library functions.
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The unused upper bits of Segment, and Port are stripped prior to the
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generation of the address.
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@param Segment PCI Segment number. Range 0..65535.
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@param Port I/O Port number. Range 0..65535.
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@return An address that the I/o Library functions need.
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**/
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#define IO_LIB_ADDRESS(Segment,Port) \
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( ((Port) & 0xffff) | (((Segment) & 0xffff) << 16) )
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/**
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Reads an 8-bit I/O port.
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Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.
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This function must guarantee that all I/O read and write operations are
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serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to read.
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@return The value read.
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**/
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UINT8
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EFIAPI
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IoRead8 (
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IN UINTN Port
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);
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/**
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Writes an 8-bit I/O port.
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Writes the 8-bit I/O port specified by Port with the value specified by Value
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and returns Value. This function must guarantee that all I/O read and write
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operations are serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to write.
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@param Value The value to write to the I/O port.
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@return The value written the I/O port.
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**/
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UINT8
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EFIAPI
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IoWrite8 (
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IN UINTN Port,
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IN UINT8 Value
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);
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/**
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Reads an 8-bit I/O port fifo into a block of memory.
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Reads the 8-bit I/O fifo port specified by Port.
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The port is read Count times, and the read data is
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stored in the provided Buffer.
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This function must guarantee that all I/O read and write operations are
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serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to read.
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@param Count The number of times to read I/O port.
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@param Buffer The buffer to store the read data into.
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**/
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VOID
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EFIAPI
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IoReadFifo8 (
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IN UINTN Port,
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IN UINTN Count,
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OUT VOID *Buffer
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);
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/**
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Writes a block of memory into an 8-bit I/O port fifo.
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Writes the 8-bit I/O fifo port specified by Port.
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The port is written Count times, and the write data is
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retrieved from the provided Buffer.
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This function must guarantee that all I/O write and write operations are
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serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to write.
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@param Count The number of times to write I/O port.
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@param Buffer The buffer to retrieve the write data from.
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**/
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VOID
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EFIAPI
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IoWriteFifo8 (
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IN UINTN Port,
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IN UINTN Count,
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IN VOID *Buffer
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);
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/**
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Reads an 8-bit I/O port, performs a bitwise OR, and writes the
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result back to the 8-bit I/O port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise OR
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between the read result and the value specified by OrData, and writes the
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result to the 8-bit I/O port specified by Port. The value written to the I/O
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port is returned. This function must guarantee that all I/O read and write
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operations are serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to write.
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@param OrData The value to OR with the read value from the I/O port.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoOr8 (
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IN UINTN Port,
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IN UINT8 OrData
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);
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/**
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Reads an 8-bit I/O port, performs a bitwise AND, and writes the result back
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to the 8-bit I/O port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise AND between
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the read result and the value specified by AndData, and writes the result to
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the 8-bit I/O port specified by Port. The value written to the I/O port is
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returned. This function must guarantee that all I/O read and write operations
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are serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to write.
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@param AndData The value to AND with the read value from the I/O port.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoAnd8 (
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IN UINTN Port,
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IN UINT8 AndData
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);
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/**
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Reads an 8-bit I/O port, performs a bitwise AND followed by a bitwise
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OR, and writes the result back to the 8-bit I/O port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise AND between
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the read result and the value specified by AndData, performs a bitwise OR
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between the result of the AND operation and the value specified by OrData,
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and writes the result to the 8-bit I/O port specified by Port. The value
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written to the I/O port is returned. This function must guarantee that all
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I/O read and write operations are serialized.
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If 8-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to write.
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@param AndData The value to AND with the read value from the I/O port.
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@param OrData The value to OR with the result of the AND operation.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoAndThenOr8 (
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IN UINTN Port,
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IN UINT8 AndData,
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IN UINT8 OrData
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);
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/**
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Reads a bit field of an I/O register.
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Reads the bit field in an 8-bit I/O register. The bit field is specified by
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the StartBit and the EndBit. The value of the bit field is returned.
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If 8-bit I/O port operations are not supported, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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@param Port The I/O port to read.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@return The value read.
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**/
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UINT8
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EFIAPI
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IoBitFieldRead8 (
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IN UINTN Port,
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IN UINTN StartBit,
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IN UINTN EndBit
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);
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/**
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Writes a bit field to an I/O register.
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Writes Value to the bit field of the I/O register. The bit field is specified
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by the StartBit and the EndBit. All other bits in the destination I/O
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register are preserved. The value written to the I/O port is returned.
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If 8-bit I/O port operations are not supported, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Port The I/O port to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param Value New value of the bit field.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoBitFieldWrite8 (
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IN UINTN Port,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 Value
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);
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/**
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Reads a bit field in an 8-bit port, performs a bitwise OR, and writes the
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result back to the bit field in the 8-bit port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise OR
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between the read result and the value specified by OrData, and writes the
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result to the 8-bit I/O port specified by Port. The value written to the I/O
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port is returned. This function must guarantee that all I/O read and write
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operations are serialized. Extra left bits in OrData are stripped.
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If 8-bit I/O port operations are not supported, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Port The I/O port to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param OrData The value to OR with the read value from the I/O port.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoBitFieldOr8 (
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IN UINTN Port,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 OrData
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);
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/**
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Reads a bit field in an 8-bit port, performs a bitwise AND, and writes the
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result back to the bit field in the 8-bit port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise AND between
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the read result and the value specified by AndData, and writes the result to
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the 8-bit I/O port specified by Port. The value written to the I/O port is
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returned. This function must guarantee that all I/O read and write operations
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are serialized. Extra left bits in AndData are stripped.
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If 8-bit I/O port operations are not supported, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Port The I/O port to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param AndData The value to AND with the read value from the I/O port.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoBitFieldAnd8 (
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IN UINTN Port,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData
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);
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/**
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Reads a bit field in an 8-bit port, performs a bitwise AND followed by a
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bitwise OR, and writes the result back to the bit field in the
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8-bit port.
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Reads the 8-bit I/O port specified by Port, performs a bitwise AND followed
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by a bitwise OR between the read result and the value specified by
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AndData, and writes the result to the 8-bit I/O port specified by Port. The
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value written to the I/O port is returned. This function must guarantee that
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all I/O read and write operations are serialized. Extra left bits in both
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AndData and OrData are stripped.
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If 8-bit I/O port operations are not supported, then ASSERT().
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If StartBit is greater than 7, then ASSERT().
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If EndBit is greater than 7, then ASSERT().
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If EndBit is less than StartBit, then ASSERT().
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If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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If OrData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
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@param Port The I/O port to write.
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@param StartBit The ordinal of the least significant bit in the bit field.
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Range 0..7.
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@param EndBit The ordinal of the most significant bit in the bit field.
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Range 0..7.
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@param AndData The value to AND with the read value from the I/O port.
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@param OrData The value to OR with the result of the AND operation.
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@return The value written back to the I/O port.
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**/
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UINT8
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EFIAPI
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IoBitFieldAndThenOr8 (
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IN UINTN Port,
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IN UINTN StartBit,
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IN UINTN EndBit,
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IN UINT8 AndData,
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IN UINT8 OrData
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);
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/**
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Reads a 16-bit I/O port.
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Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.
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This function must guarantee that all I/O read and write operations are
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serialized.
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If 16-bit I/O port operations are not supported, then ASSERT().
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If Port is not aligned on a 16-bit boundary, then ASSERT().
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@param Port The I/O port to read.
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@return The value read.
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**/
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UINT16
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EFIAPI
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IoRead16 (
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IN UINTN Port
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);
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/**
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Writes a 16-bit I/O port.
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Writes the 16-bit I/O port specified by Port with the value specified by Value
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and returns Value. This function must guarantee that all I/O read and write
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operations are serialized.
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If 16-bit I/O port operations are not supported, then ASSERT().
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If Port is not aligned on a 16-bit boundary, then ASSERT().
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@param Port The I/O port to write.
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@param Value The value to write to the I/O port.
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@return The value written the I/O port.
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**/
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UINT16
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EFIAPI
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IoWrite16 (
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IN UINTN Port,
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IN UINT16 Value
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);
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/**
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Reads a 16-bit I/O port fifo into a block of memory.
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Reads the 16-bit I/O fifo port specified by Port.
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The port is read Count times, and the read data is
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stored in the provided Buffer.
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This function must guarantee that all I/O read and write operations are
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serialized.
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If 16-bit I/O port operations are not supported, then ASSERT().
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@param Port The I/O port to read.
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@param Count The number of times to read I/O port.
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@param Buffer The buffer to store the read data into.
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**/
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VOID
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EFIAPI
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IoReadFifo16 (
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IN UINTN Port,
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IN UINTN Count,
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OUT VOID *Buffer
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);
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/**
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Writes a block of memory into a 16-bit I/O port fifo.
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Writes the 16-bit I/O fifo port specified by Port.
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The port is written Count times, and the write data is
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retrieved from the provided Buffer.
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This function must guarantee that all I/O write and write operations are
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serialized.
|
|
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If 16-bit I/O port operations are not supported, then ASSERT().
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|
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@param Port The I/O port to write.
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@param Count The number of times to write I/O port.
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@param Buffer The buffer to retrieve the write data from.
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**/
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VOID
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EFIAPI
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IoWriteFifo16 (
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IN UINTN Port,
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IN UINTN Count,
|
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IN VOID *Buffer
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);
|
|
|
|
/**
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Reads a 16-bit I/O port, performs a bitwise OR, and writes the
|
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result back to the 16-bit I/O port.
|
|
|
|
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().
|
|
If Port is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
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@param Port The I/O port to write.
|
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@param OrData The value to OR with the read value from the I/O port.
|
|
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@return The value written back to the I/O port.
|
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**/
|
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UINT16
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EFIAPI
|
|
IoOr16 (
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IN UINTN Port,
|
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IN UINT16 OrData
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);
|
|
|
|
/**
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Reads a 16-bit I/O port, performs a bitwise AND, and writes the result back
|
|
to the 16-bit I/O port.
|
|
|
|
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 16-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized.
|
|
|
|
If 16-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
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@param Port The I/O port to write.
|
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@param AndData The value to AND with the read value from the I/O port.
|
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@return The value written back to the I/O port.
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**/
|
|
UINT16
|
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EFIAPI
|
|
IoAnd16 (
|
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IN UINTN Port,
|
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IN UINT16 AndData
|
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);
|
|
|
|
/**
|
|
Reads a 16-bit I/O port, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 16-bit I/O port.
|
|
|
|
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, performs a bitwise OR
|
|
between the result of the AND operation and the value specified by OrData,
|
|
and writes the result to the 16-bit I/O port specified by Port. The value
|
|
written to the I/O port is returned. This function must guarantee that all
|
|
I/O read and write operations are serialized.
|
|
|
|
If 16-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoAndThenOr16 (
|
|
IN UINTN Port,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of an I/O register.
|
|
|
|
Reads the bit field in a 16-bit I/O register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 16-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoBitFieldRead16 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to an I/O register.
|
|
|
|
Writes Value to the bit field of the I/O register. The bit field is specified
|
|
by the StartBit and the EndBit. All other bits in the destination I/O
|
|
register are preserved. The value written to the I/O port is returned. Extra
|
|
left bits in Value are stripped.
|
|
|
|
If 16-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoBitFieldWrite16 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit port, performs a bitwise OR, and writes the
|
|
result back to the bit field in the 16-bit port.
|
|
|
|
Reads the 16-bit I/O port specified by Port, performs a bitwise 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 Port is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param OrData The value to OR with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoBitFieldOr16 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit port, performs a bitwise AND, and writes the
|
|
result back to the bit field in the 16-bit port.
|
|
|
|
Reads the 16-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 16-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized. Extra left bits in AndData are stripped.
|
|
|
|
If 16-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoBitFieldAnd16 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit port, performs a bitwise AND followed by a
|
|
bitwise OR, and writes the result back to the bit field in the
|
|
16-bit port.
|
|
|
|
Reads the 16-bit I/O port specified by Port, performs a bitwise AND followed
|
|
by a bitwise 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 Port is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
IoBitFieldAndThenOr16 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit I/O port.
|
|
|
|
Reads the 32-bit I/O port specified by Port. The 32-bit read value is returned.
|
|
This function must guarantee that all I/O read and write operations are
|
|
serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoRead32 (
|
|
IN UINTN Port
|
|
);
|
|
|
|
/**
|
|
Writes a 32-bit I/O port.
|
|
|
|
Writes the 32-bit I/O port specified by Port with the value specified by Value
|
|
and returns Value. This function must guarantee that all I/O read and write
|
|
operations are serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param Value The value to write to the I/O port.
|
|
|
|
@return The value written the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoWrite32 (
|
|
IN UINTN Port,
|
|
IN UINT32 Value
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit I/O port fifo into a block of memory.
|
|
|
|
Reads the 32-bit I/O fifo port specified by Port.
|
|
The port is read Count times, and the read data is
|
|
stored in the provided Buffer.
|
|
|
|
This function must guarantee that all I/O read and write operations are
|
|
serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
@param Count The number of times to read I/O port.
|
|
@param Buffer The buffer to store the read data into.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
IoReadFifo32 (
|
|
IN UINTN Port,
|
|
IN UINTN Count,
|
|
OUT VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Writes a block of memory into a 32-bit I/O port fifo.
|
|
|
|
Writes the 32-bit I/O fifo port specified by Port.
|
|
The port is written Count times, and the write data is
|
|
retrieved from the provided Buffer.
|
|
|
|
This function must guarantee that all I/O write and write operations are
|
|
serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param Count The number of times to write I/O port.
|
|
@param Buffer The buffer to retrieve the write data from.
|
|
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
IoWriteFifo32 (
|
|
IN UINTN Port,
|
|
IN UINTN Count,
|
|
IN VOID *Buffer
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit I/O port, performs a bitwise OR, and writes the
|
|
result back to the 32-bit I/O port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise 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().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param OrData The value to OR with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoOr32 (
|
|
IN UINTN Port,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit I/O port, performs a bitwise AND, and writes the result back
|
|
to the 32-bit I/O port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 32-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoAnd32 (
|
|
IN UINTN Port,
|
|
IN UINT32 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit I/O port, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 32-bit I/O port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, performs a bitwise OR
|
|
between the result of the AND operation and the value specified by OrData,
|
|
and writes the result to the 32-bit I/O port specified by Port. The value
|
|
written to the I/O port is returned. This function must guarantee that all
|
|
I/O read and write operations are serialized.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoAndThenOr32 (
|
|
IN UINTN Port,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of an I/O register.
|
|
|
|
Reads the bit field in a 32-bit I/O register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoBitFieldRead32 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to an I/O register.
|
|
|
|
Writes Value to the bit field of the I/O register. The bit field is specified
|
|
by the StartBit and the EndBit. All other bits in the destination I/O
|
|
register are preserved. The value written to the I/O port is returned. Extra
|
|
left bits in Value are stripped.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoBitFieldWrite32 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit port, performs a bitwise OR, and writes the
|
|
result back to the bit field in the 32-bit port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise 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 Port is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param OrData The value to OR with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoBitFieldOr32 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit port, performs a bitwise AND, and writes the
|
|
result back to the bit field in the 32-bit port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 32-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized. Extra left bits in AndData are stripped.
|
|
|
|
If 32-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoBitFieldAnd32 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit port, performs a bitwise AND followed by a
|
|
bitwise OR, and writes the result back to the bit field in the
|
|
32-bit port.
|
|
|
|
Reads the 32-bit I/O port specified by Port, performs a bitwise AND followed
|
|
by a bitwise 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 Port is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
IoBitFieldAndThenOr32 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit I/O port.
|
|
|
|
Reads the 64-bit I/O port specified by Port. The 64-bit read value is returned.
|
|
This function must guarantee that all I/O read and write operations are
|
|
serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoRead64 (
|
|
IN UINTN Port
|
|
);
|
|
|
|
/**
|
|
Writes a 64-bit I/O port.
|
|
|
|
Writes the 64-bit I/O port specified by Port with the value specified by Value
|
|
and returns Value. This function must guarantee that all I/O read and write
|
|
operations are serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param Value The value to write to the I/O port.
|
|
|
|
@return The value written the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoWrite64 (
|
|
IN UINTN Port,
|
|
IN UINT64 Value
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit I/O port, performs a bitwise OR, and writes the
|
|
result back to the 64-bit I/O port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise 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().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param OrData The value to OR with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoOr64 (
|
|
IN UINTN Port,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit I/O port, performs a bitwise AND, and writes the result back
|
|
to the 64-bit I/O port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 64-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoAnd64 (
|
|
IN UINTN Port,
|
|
IN UINT64 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit I/O port, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 64-bit I/O port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, performs a bitwise OR
|
|
between the result of the AND operation and the value specified by OrData,
|
|
and writes the result to the 64-bit I/O port specified by Port. The value
|
|
written to the I/O port is returned. This function must guarantee that all
|
|
I/O read and write operations are serialized.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Port The I/O port to write.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoAndThenOr64 (
|
|
IN UINTN Port,
|
|
IN UINT64 AndData,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of an I/O register.
|
|
|
|
Reads the bit field in a 64-bit I/O register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, then ASSERT().
|
|
If StartBit is greater than 63, then ASSERT().
|
|
If EndBit is greater than 63, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Port The I/O port to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoBitFieldRead64 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to an I/O register.
|
|
|
|
Writes Value to the bit field of the I/O register. The bit field is specified
|
|
by the StartBit and the EndBit. All other bits in the destination I/O
|
|
register are preserved. The value written to the I/O port is returned. Extra
|
|
left bits in Value are stripped.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoBitFieldWrite64 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit port, performs a bitwise OR, and writes the
|
|
result back to the bit field in the 64-bit port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise 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 Port is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param OrData The value to OR with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoBitFieldOr64 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit port, performs a bitwise AND, and writes the
|
|
result back to the bit field in the 64-bit port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise AND between
|
|
the read result and the value specified by AndData, and writes the result to
|
|
the 64-bit I/O port specified by Port. The value written to the I/O port is
|
|
returned. This function must guarantee that all I/O read and write operations
|
|
are serialized. Extra left bits in AndData are stripped.
|
|
|
|
If 64-bit I/O port operations are not supported, then ASSERT().
|
|
If Port is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoBitFieldAnd64 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit port, performs a bitwise AND followed by a
|
|
bitwise OR, and writes the result back to the bit field in the
|
|
64-bit port.
|
|
|
|
Reads the 64-bit I/O port specified by Port, performs a bitwise AND followed
|
|
by a bitwise 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 Port is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Port The I/O port to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param AndData The value to AND with the read value from the I/O port.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the I/O port.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
IoBitFieldAndThenOr64 (
|
|
IN UINTN Port,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 AndData,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads an 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address. The 8-bit read value is
|
|
returned. This function must guarantee that all MMIO read and write
|
|
operations are serialized.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
|
|
@param Address The MMIO register to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioRead8 (
|
|
IN UINTN Address
|
|
);
|
|
|
|
/**
|
|
Writes an 8-bit MMIO register.
|
|
|
|
Writes the 8-bit MMIO register specified by Address with the value specified
|
|
by Value and returns Value. This function must guarantee that all MMIO read
|
|
and write operations are serialized.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param Value The value to write to the MMIO register.
|
|
|
|
@return Value.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioWrite8 (
|
|
IN UINTN Address,
|
|
IN UINT8 Value
|
|
);
|
|
|
|
/**
|
|
Reads an 8-bit MMIO register, performs a bitwise OR, and writes the
|
|
result back to the 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise
|
|
OR between the read result and the value specified by OrData, and
|
|
writes the result to the 8-bit MMIO register specified by Address. The value
|
|
written to the MMIO register is returned. This function must guarantee that
|
|
all MMIO read and write operations are serialized.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param OrData The value to OR with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioOr8 (
|
|
IN UINTN Address,
|
|
IN UINT8 OrData
|
|
);
|
|
|
|
/**
|
|
Reads an 8-bit MMIO register, performs a bitwise AND, and writes the result
|
|
back to the 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 8-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioAnd8 (
|
|
IN UINTN Address,
|
|
IN UINT8 AndData
|
|
);
|
|
|
|
/**
|
|
Reads an 8-bit MMIO register, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, performs a
|
|
bitwise OR between the result of the AND operation and the value specified by
|
|
OrData, and writes the result to the 8-bit MMIO register specified by
|
|
Address. The value written to the MMIO register is returned. This function
|
|
must guarantee that all MMIO read and write operations are serialized.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioAndThenOr8 (
|
|
IN UINTN Address,
|
|
IN UINT8 AndData,
|
|
IN UINT8 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of a MMIO register.
|
|
|
|
Reads the bit field in an 8-bit MMIO register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
If StartBit is greater than 7, then ASSERT().
|
|
If EndBit is greater than 7, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address MMIO register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..7.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..7.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioBitFieldRead8 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to a MMIO register.
|
|
|
|
Writes Value to the bit field of the MMIO register. The bit field is
|
|
specified by the StartBit and the EndBit. All other bits in the destination
|
|
MMIO register are preserved. The new value of the 8-bit register is returned.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
If StartBit is greater than 7, then ASSERT().
|
|
If EndBit is greater than 7, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If Value is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..7.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..7.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioBitFieldWrite8 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT8 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in an 8-bit MMIO register, performs a bitwise OR, and
|
|
writes the result back to the bit field in the 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise
|
|
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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..7.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..7.
|
|
@param OrData The value to OR with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioBitFieldOr8 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT8 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in an 8-bit MMIO register, performs a bitwise AND, and
|
|
writes the result back to the bit field in the 8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 8-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized. Extra left bits in AndData are
|
|
stripped.
|
|
|
|
If 8-bit MMIO register operations are not supported, then ASSERT().
|
|
If StartBit is greater than 7, then ASSERT().
|
|
If EndBit is greater than 7, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
If AndData is larger than the bitmask value range specified by StartBit and EndBit, then ASSERT().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..7.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..7.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioBitFieldAnd8 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT8 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in an 8-bit MMIO register, performs a bitwise AND followed
|
|
by a bitwise OR, and writes the result back to the bit field in the
|
|
8-bit MMIO register.
|
|
|
|
Reads the 8-bit MMIO register specified by Address, performs a bitwise AND
|
|
followed by a bitwise 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..7.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..7.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT8
|
|
EFIAPI
|
|
MmioBitFieldAndThenOr8 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT8 AndData,
|
|
IN UINT8 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address. The 16-bit read value is
|
|
returned. This function must guarantee that all MMIO read and write
|
|
operations are serialized.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioRead16 (
|
|
IN UINTN Address
|
|
);
|
|
|
|
/**
|
|
Writes a 16-bit MMIO register.
|
|
|
|
Writes the 16-bit MMIO register specified by Address with the value specified
|
|
by Value and returns Value. This function must guarantee that all MMIO read
|
|
and write operations are serialized.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param Value The value to write to the MMIO register.
|
|
|
|
@return Value.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioWrite16 (
|
|
IN UINTN Address,
|
|
IN UINT16 Value
|
|
);
|
|
|
|
/**
|
|
Reads a 16-bit MMIO register, performs a bitwise OR, and writes the
|
|
result back to the 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise
|
|
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().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param OrData The value to OR with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioOr16 (
|
|
IN UINTN Address,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 16-bit MMIO register, performs a bitwise AND, and writes the result
|
|
back to the 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 16-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioAnd16 (
|
|
IN UINTN Address,
|
|
IN UINT16 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a 16-bit MMIO register, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, performs a
|
|
bitwise OR between the result of the AND operation and the value specified by
|
|
OrData, and writes the result to the 16-bit MMIO register specified by
|
|
Address. The value written to the MMIO register is returned. This function
|
|
must guarantee that all MMIO read and write operations are serialized.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioAndThenOr16 (
|
|
IN UINTN Address,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of a MMIO register.
|
|
|
|
Reads the bit field in a 16-bit MMIO register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, then ASSERT().
|
|
If StartBit is greater than 15, then ASSERT().
|
|
If EndBit is greater than 15, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address MMIO register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioBitFieldRead16 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to a MMIO register.
|
|
|
|
Writes Value to the bit field of the MMIO register. The bit field is
|
|
specified by the StartBit and the EndBit. All other bits in the destination
|
|
MMIO register are preserved. The new value of the 16-bit register is returned.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioBitFieldWrite16 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit MMIO register, performs a bitwise OR, and
|
|
writes the result back to the bit field in the 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise
|
|
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 Address is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param OrData The value to OR with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioBitFieldOr16 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit MMIO register, performs a bitwise AND, and
|
|
writes the result back to the bit field in the 16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 16-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized. Extra left bits in AndData are
|
|
stripped.
|
|
|
|
If 16-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioBitFieldAnd16 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 16-bit MMIO register, performs a bitwise AND followed
|
|
by a bitwise OR, and writes the result back to the bit field in the
|
|
16-bit MMIO register.
|
|
|
|
Reads the 16-bit MMIO register specified by Address, performs a bitwise AND
|
|
followed by a bitwise 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 Address is not aligned on a 16-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..15.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..15.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT16
|
|
EFIAPI
|
|
MmioBitFieldAndThenOr16 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT16 AndData,
|
|
IN UINT16 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address. The 32-bit read value is
|
|
returned. This function must guarantee that all MMIO read and write
|
|
operations are serialized.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioRead32 (
|
|
IN UINTN Address
|
|
);
|
|
|
|
/**
|
|
Writes a 32-bit MMIO register.
|
|
|
|
Writes the 32-bit MMIO register specified by Address with the value specified
|
|
by Value and returns Value. This function must guarantee that all MMIO read
|
|
and write operations are serialized.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param Value The value to write to the MMIO register.
|
|
|
|
@return Value.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioWrite32 (
|
|
IN UINTN Address,
|
|
IN UINT32 Value
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit MMIO register, performs a bitwise OR, and writes the
|
|
result back to the 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise
|
|
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().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param OrData The value to OR with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioOr32 (
|
|
IN UINTN Address,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit MMIO register, performs a bitwise AND, and writes the result
|
|
back to the 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 32-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioAnd32 (
|
|
IN UINTN Address,
|
|
IN UINT32 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a 32-bit MMIO register, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, performs a
|
|
bitwise OR between the result of the AND operation and the value specified by
|
|
OrData, and writes the result to the 32-bit MMIO register specified by
|
|
Address. The value written to the MMIO register is returned. This function
|
|
must guarantee that all MMIO read and write operations are serialized.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioAndThenOr32 (
|
|
IN UINTN Address,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of a MMIO register.
|
|
|
|
Reads the bit field in a 32-bit MMIO register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, then ASSERT().
|
|
If StartBit is greater than 31, then ASSERT().
|
|
If EndBit is greater than 31, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address MMIO register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioBitFieldRead32 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to a MMIO register.
|
|
|
|
Writes Value to the bit field of the MMIO register. The bit field is
|
|
specified by the StartBit and the EndBit. All other bits in the destination
|
|
MMIO register are preserved. The new value of the 32-bit register is returned.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioBitFieldWrite32 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit MMIO register, performs a bitwise OR, and
|
|
writes the result back to the bit field in the 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise
|
|
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 Address is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param OrData The value to OR with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioBitFieldOr32 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit MMIO register, performs a bitwise AND, and
|
|
writes the result back to the bit field in the 32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 32-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized. Extra left bits in AndData are
|
|
stripped.
|
|
|
|
If 32-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioBitFieldAnd32 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 32-bit MMIO register, performs a bitwise AND followed
|
|
by a bitwise OR, and writes the result back to the bit field in the
|
|
32-bit MMIO register.
|
|
|
|
Reads the 32-bit MMIO register specified by Address, performs a bitwise AND
|
|
followed by a bitwise 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 Address is not aligned on a 32-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..31.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..31.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT32
|
|
EFIAPI
|
|
MmioBitFieldAndThenOr32 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT32 AndData,
|
|
IN UINT32 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address. The 64-bit read value is
|
|
returned. This function must guarantee that all MMIO read and write
|
|
operations are serialized.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to read.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioRead64 (
|
|
IN UINTN Address
|
|
);
|
|
|
|
/**
|
|
Writes a 64-bit MMIO register.
|
|
|
|
Writes the 64-bit MMIO register specified by Address with the value specified
|
|
by Value and returns Value. This function must guarantee that all MMIO read
|
|
and write operations are serialized.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param Value The value to write to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioWrite64 (
|
|
IN UINTN Address,
|
|
IN UINT64 Value
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit MMIO register, performs a bitwise OR, and writes the
|
|
result back to the 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise
|
|
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().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param OrData The value to OR with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioOr64 (
|
|
IN UINTN Address,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit MMIO register, performs a bitwise AND, and writes the result
|
|
back to the 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 64-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioAnd64 (
|
|
IN UINTN Address,
|
|
IN UINT64 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a 64-bit MMIO register, performs a bitwise AND followed by a bitwise
|
|
OR, and writes the result back to the 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, performs a
|
|
bitwise OR between the result of the AND operation and the value specified by
|
|
OrData, and writes the result to the 64-bit MMIO register specified by
|
|
Address. The value written to the MMIO register is returned. This function
|
|
must guarantee that all MMIO read and write operations are serialized.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param Address The MMIO register to write.
|
|
@param AndData The value to AND with the read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioAndThenOr64 (
|
|
IN UINTN Address,
|
|
IN UINT64 AndData,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field of a MMIO register.
|
|
|
|
Reads the bit field in a 64-bit MMIO register. The bit field is specified by
|
|
the StartBit and the EndBit. The value of the bit field is returned.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, then ASSERT().
|
|
If StartBit is greater than 63, then ASSERT().
|
|
If EndBit is greater than 63, then ASSERT().
|
|
If EndBit is less than StartBit, then ASSERT().
|
|
|
|
@param Address MMIO register to read.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
|
|
@return The value read.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioBitFieldRead64 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit
|
|
);
|
|
|
|
/**
|
|
Writes a bit field to a MMIO register.
|
|
|
|
Writes Value to the bit field of the MMIO register. The bit field is
|
|
specified by the StartBit and the EndBit. All other bits in the destination
|
|
MMIO register are preserved. The new value of the 64-bit register is returned.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param Value New value of the bit field.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioBitFieldWrite64 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 Value
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit MMIO register, performs a bitwise OR, and
|
|
writes the result back to the bit field in the 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise
|
|
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 Address is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param OrData The value to OR with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioBitFieldOr64 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit MMIO register, performs a bitwise AND, and
|
|
writes the result back to the bit field in the 64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
|
|
between the read result and the value specified by AndData, and writes the
|
|
result to the 64-bit MMIO register specified by Address. The value written to
|
|
the MMIO register is returned. This function must guarantee that all MMIO
|
|
read and write operations are serialized. Extra left bits in AndData are
|
|
stripped.
|
|
|
|
If 64-bit MMIO register operations are not supported, then ASSERT().
|
|
If Address is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioBitFieldAnd64 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 AndData
|
|
);
|
|
|
|
/**
|
|
Reads a bit field in a 64-bit MMIO register, performs a bitwise AND followed
|
|
by a bitwise OR, and writes the result back to the bit field in the
|
|
64-bit MMIO register.
|
|
|
|
Reads the 64-bit MMIO register specified by Address, performs a bitwise AND
|
|
followed by a bitwise 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 Address is not aligned on a 64-bit boundary, 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().
|
|
|
|
@param Address MMIO register to write.
|
|
@param StartBit The ordinal of the least significant bit in the bit field.
|
|
Range 0..63.
|
|
@param EndBit The ordinal of the most significant bit in the bit field.
|
|
Range 0..63.
|
|
@param AndData The value to AND with read value from the MMIO register.
|
|
@param OrData The value to OR with the result of the AND operation.
|
|
|
|
@return The value written back to the MMIO register.
|
|
|
|
**/
|
|
UINT64
|
|
EFIAPI
|
|
MmioBitFieldAndThenOr64 (
|
|
IN UINTN Address,
|
|
IN UINTN StartBit,
|
|
IN UINTN EndBit,
|
|
IN UINT64 AndData,
|
|
IN UINT64 OrData
|
|
);
|
|
|
|
/**
|
|
Copy data from MMIO region to system memory by using 8-bit access.
|
|
|
|
Copy data from MMIO region specified by starting address StartAddress
|
|
to system memory specified by Buffer by using 8-bit access. The total
|
|
number of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
|
|
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied from.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer receiving the data read.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT8 *
|
|
EFIAPI
|
|
MmioReadBuffer8 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
OUT UINT8 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from MMIO region to system memory by using 16-bit access.
|
|
|
|
Copy data from MMIO region specified by starting address StartAddress
|
|
to system memory specified by Buffer by using 16-bit access. The total
|
|
number of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 16-bit boundary, then ASSERT().
|
|
If Buffer is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied from.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer receiving the data read.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT16 *
|
|
EFIAPI
|
|
MmioReadBuffer16 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
OUT UINT16 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from MMIO region to system memory by using 32-bit access.
|
|
|
|
Copy data from MMIO region specified by starting address StartAddress
|
|
to system memory specified by Buffer by using 32-bit access. The total
|
|
number of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 32-bit boundary, then ASSERT().
|
|
If Buffer is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied from.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer receiving the data read.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT32 *
|
|
EFIAPI
|
|
MmioReadBuffer32 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
OUT UINT32 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from MMIO region to system memory by using 64-bit access.
|
|
|
|
Copy data from MMIO region specified by starting address StartAddress
|
|
to system memory specified by Buffer by using 64-bit access. The total
|
|
number of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 64-bit boundary, then ASSERT().
|
|
If Buffer is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied from.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer receiving the data read.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT64 *
|
|
EFIAPI
|
|
MmioReadBuffer64 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
OUT UINT64 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from system memory to MMIO region by using 8-bit access.
|
|
|
|
Copy data from system memory specified by Buffer to MMIO region specified
|
|
by starting address StartAddress by using 8-bit access. The total number
|
|
of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
|
|
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied to.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer containing the data to write.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT8 *
|
|
EFIAPI
|
|
MmioWriteBuffer8 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
IN CONST UINT8 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from system memory to MMIO region by using 16-bit access.
|
|
|
|
Copy data from system memory specified by Buffer to MMIO region specified
|
|
by starting address StartAddress by using 16-bit access. The total number
|
|
of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
If Buffer is not aligned on a 16-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied to.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer containing the data to write.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT16 *
|
|
EFIAPI
|
|
MmioWriteBuffer16 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
IN CONST UINT16 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from system memory to MMIO region by using 32-bit access.
|
|
|
|
Copy data from system memory specified by Buffer to MMIO region specified
|
|
by starting address StartAddress by using 32-bit access. The total number
|
|
of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
If Buffer is not aligned on a 32-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied to.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer containing the data to write.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT32 *
|
|
EFIAPI
|
|
MmioWriteBuffer32 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
IN CONST UINT32 *Buffer
|
|
);
|
|
|
|
/**
|
|
Copy data from system memory to MMIO region by using 64-bit access.
|
|
|
|
Copy data from system memory specified by Buffer to MMIO region specified
|
|
by starting address StartAddress by using 64-bit access. The total number
|
|
of byte to be copied is specified by Length. Buffer is returned.
|
|
|
|
If StartAddress is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
If Length is greater than (MAX_ADDRESS - StartAddress + 1), then ASSERT().
|
|
If Length is greater than (MAX_ADDRESS -Buffer + 1), then ASSERT().
|
|
|
|
If Length is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
If Buffer is not aligned on a 64-bit boundary, then ASSERT().
|
|
|
|
@param StartAddress Starting address for the MMIO region to be copied to.
|
|
@param Length The size, in bytes, of Buffer.
|
|
@param Buffer Pointer to a system memory buffer containing the data to write.
|
|
|
|
@return Buffer
|
|
|
|
**/
|
|
UINT64 *
|
|
EFIAPI
|
|
MmioWriteBuffer64 (
|
|
IN UINTN StartAddress,
|
|
IN UINTN Length,
|
|
IN CONST UINT64 *Buffer
|
|
);
|
|
|
|
|
|
#endif
|
|
|