diff options
Diffstat (limited to 'IntelFrameworkPkg/Library/DxeIoLibCpuIo/IoLib.c')
| -rw-r--r-- | IntelFrameworkPkg/Library/DxeIoLibCpuIo/IoLib.c | 870 |
1 files changed, 0 insertions, 870 deletions
diff --git a/IntelFrameworkPkg/Library/DxeIoLibCpuIo/IoLib.c b/IntelFrameworkPkg/Library/DxeIoLibCpuIo/IoLib.c deleted file mode 100644 index 1dbc362f09..0000000000 --- a/IntelFrameworkPkg/Library/DxeIoLibCpuIo/IoLib.c +++ /dev/null @@ -1,870 +0,0 @@ -/** @file
- I/O Library.
- The implementation of I/O operation for this library instance
- are based on EFI_CPU_IO_PROTOCOL.
-
- Copyright (c) 2006 - 2010, Intel Corporation. All rights reserved.<BR>
- Copyright (c) 2017, AMD Incorporated. All rights reserved.<BR>
-
- This program and the accompanying materials
- are licensed and made available under the terms and conditions of the BSD License
- which accompanies this distribution. The full text of the license may be found at
- http://opensource.org/licenses/bsd-license.php
-
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
-
- Module Name: IoLib.c
-
-**/
-
-
-#include "DxeCpuIoLibInternal.h"
-
-//
-// Globle varible to cache pointer to CpuIo protocol.
-//
-EFI_CPU_IO_PROTOCOL *mCpuIo = NULL;
-
-/**
- The constructor function caches the pointer to CpuIo protocol.
-
- The constructor function locates CpuIo protocol from protocol database.
- It will ASSERT() if that operation fails and it will always return EFI_SUCCESS.
-
- @param ImageHandle The firmware allocated handle for the EFI image.
- @param SystemTable A pointer to the EFI System Table.
-
- @retval EFI_SUCCESS The constructor always returns EFI_SUCCESS.
-
-**/
-EFI_STATUS
-EFIAPI
-IoLibConstructor (
- IN EFI_HANDLE ImageHandle,
- IN EFI_SYSTEM_TABLE *SystemTable
- )
-{
- EFI_STATUS Status;
-
- Status = gBS->LocateProtocol (&gEfiCpuIoProtocolGuid, NULL, (VOID **) &mCpuIo);
- ASSERT_EFI_ERROR (Status);
-
- return Status;
-}
-
-/**
- Reads registers in the EFI CPU I/O space.
-
- Reads the I/O port specified by Port with registers width specified by Width.
- The read value is returned. If such operations are not supported, then ASSERT().
- This function must guarantee that all I/O read and write operations are serialized.
-
- @param Port The base address of the I/O operation.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
-
- @return Data read from registers in the EFI CPU I/O space.
-
-**/
-UINT64
-EFIAPI
-IoReadWorker (
- IN UINTN Port,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width
- )
-{
- EFI_STATUS Status;
- UINT64 Data;
-
- Status = mCpuIo->Io.Read (mCpuIo, Width, Port, 1, &Data);
- ASSERT_EFI_ERROR (Status);
-
- return Data;
-}
-
-/**
- Writes registers in the EFI CPU I/O space.
-
- Writes the I/O port specified by Port with registers width and value specified by Width
- and Data respectively. Data is returned. If such operations are not supported, then ASSERT().
- This function must guarantee that all I/O read and write operations are serialized.
-
- @param Port The base address of the I/O operation.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
- @param Data The value to write to the I/O port.
-
- @return The parameter of Data.
-
-**/
-UINT64
-EFIAPI
-IoWriteWorker (
- IN UINTN Port,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
- IN UINT64 Data
- )
-{
- EFI_STATUS Status;
-
- Status = mCpuIo->Io.Write (mCpuIo, Width, Port, 1, &Data);
- ASSERT_EFI_ERROR (Status);
-
- return Data;
-}
-
-/**
- Reads registers in the EFI CPU I/O space.
-
- Reads the I/O port specified by Port with registers width specified by Width.
- 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 such operations are not supported, then ASSERT().
-
- @param Port The base address of the I/O operation.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
- @param Count The number of times to read I/O port.
- @param Buffer The buffer to store the read data into.
-
-**/
-VOID
-EFIAPI
-IoReadFifoWorker (
- IN UINTN Port,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
- IN UINTN Count,
- IN VOID *Buffer
- )
-{
- EFI_STATUS Status;
-
- Status = mCpuIo->Io.Read (mCpuIo, Width, Port, Count, Buffer);
- ASSERT_EFI_ERROR (Status);
-}
-
-/**
- Writes registers in the EFI CPU I/O space.
-
- Writes the I/O port specified by Port with registers width specified by Width.
- The port is written Count times, and the write data is retrieved from the provided Buffer.
-
- This function must guarantee that all I/O read and write operations are serialized.
- If such operations are not supported, then ASSERT().
-
- @param Port The base address of the I/O operation.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
- @param Count The number of times to write I/O port.
- @param Buffer The buffer to store the read data into.
-
-**/
-VOID
-EFIAPI
-IoWriteFifoWorker (
- IN UINTN Port,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
- IN UINTN Count,
- IN VOID *Buffer
- )
-{
- EFI_STATUS Status;
-
- Status = mCpuIo->Io.Write (mCpuIo, Width, Port, Count, Buffer);
- ASSERT_EFI_ERROR (Status);
-}
-
-/**
- Reads memory-mapped registers in the EFI system memory space.
-
- Reads the MMIO registers specified by Address with registers width specified by Width.
- The read value is returned. If such operations are not supported, then ASSERT().
- This function must guarantee that all MMIO read and write operations are serialized.
-
- @param Address The MMIO register to read.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
-
- @return Data read from registers in the EFI system memory space.
-
-**/
-UINT64
-EFIAPI
-MmioReadWorker (
- IN UINTN Address,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width
- )
-{
- EFI_STATUS Status;
- UINT64 Data;
-
- Status = mCpuIo->Mem.Read (mCpuIo, Width, Address, 1, &Data);
- ASSERT_EFI_ERROR (Status);
-
- return Data;
-}
-
-/**
- Writes memory-mapped registers in the EFI system memory space.
-
- Writes the MMIO registers specified by Address with registers width and value specified by Width
- and Data respectively. Data is returned. If such operations are not supported, then ASSERT().
- This function must guarantee that all MMIO read and write operations are serialized.
-
- @param Address The MMIO register to read.
- The caller is responsible for aligning the Address if required.
- @param Width The width of the I/O operation.
- @param Data The value to write to the I/O port.
-
- @return Data read from registers in the EFI system memory space.
-
-**/
-UINT64
-EFIAPI
-MmioWriteWorker (
- IN UINTN Address,
- IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
- IN UINT64 Data
- )
-{
- EFI_STATUS Status;
-
- Status = mCpuIo->Mem.Write (mCpuIo, Width, Address, 1, &Data);
- ASSERT_EFI_ERROR (Status);
-
- return Data;
-}
-
-/**
- Reads an 8-bit I/O port.
-
- Reads the 8-bit I/O port specified by Port. The 8-bit read value is returned.
- This function must guarantee that all I/O read and write operations are
- serialized.
-
- If 8-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to read.
-
- @return The value read.
-
-**/
-UINT8
-EFIAPI
-IoRead8 (
- IN UINTN Port
- )
-{
- return (UINT8)IoReadWorker (Port, EfiCpuIoWidthUint8);
-}
-
-/**
- Writes an 8-bit I/O port.
-
- Writes the 8-bit I/O port specified by Port with the value specified by Value
- and returns Value. This function must guarantee that all I/O read and write
- operations are serialized.
-
- If 8-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to write.
- @param Value The value to write to the I/O port.
-
- @return The value written the I/O port.
-
-**/
-UINT8
-EFIAPI
-IoWrite8 (
- IN UINTN Port,
- IN UINT8 Value
- )
-{
- return (UINT8)IoWriteWorker (Port, EfiCpuIoWidthUint8, Value);
-}
-
-/**
- Reads a 16-bit I/O port.
-
- Reads the 16-bit I/O port specified by Port. The 16-bit read value is returned.
- This function must guarantee that all I/O read and write operations are
- serialized.
-
- If Port is not aligned on a 16-bit boundary, then ASSERT().
-
- If 16-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to read.
-
- @return The value read.
-
-**/
-UINT16
-EFIAPI
-IoRead16 (
- IN UINTN Port
- )
-{
- //
- // Make sure Port is aligned on a 16-bit boundary.
- //
- ASSERT ((Port & 1) == 0);
- return (UINT16)IoReadWorker (Port, EfiCpuIoWidthUint16);
-}
-
-/**
- Writes a 16-bit I/O port.
-
- Writes the 16-bit I/O port specified by Port with the value specified by Value
- and returns Value. This function must guarantee that all I/O read and write
- operations are serialized.
-
- If Port is not aligned on a 16-bit boundary, then ASSERT().
-
- If 16-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to write.
- @param Value The value to write to the I/O port.
-
- @return The value written the I/O port.
-
-**/
-UINT16
-EFIAPI
-IoWrite16 (
- IN UINTN Port,
- IN UINT16 Value
- )
-{
- //
- // Make sure Port is aligned on a 16-bit boundary.
- //
- ASSERT ((Port & 1) == 0);
- return (UINT16)IoWriteWorker (Port, EfiCpuIoWidthUint16, Value);
-}
-
-/**
- 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 Port is not aligned on a 32-bit boundary, then ASSERT().
-
- If 32-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to read.
-
- @return The value read.
-
-**/
-UINT32
-EFIAPI
-IoRead32 (
- IN UINTN Port
- )
-{
- //
- // Make sure Port is aligned on a 32-bit boundary.
- //
- ASSERT ((Port & 3) == 0);
- return (UINT32)IoReadWorker (Port, EfiCpuIoWidthUint32);
-}
-
-/**
- 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 Port is not aligned on a 32-bit boundary, then ASSERT().
-
- If 32-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to write.
- @param Value The value to write to the I/O port.
-
- @return The value written the I/O port.
-
-**/
-UINT32
-EFIAPI
-IoWrite32 (
- IN UINTN Port,
- IN UINT32 Value
- )
-{
- //
- // Make sure Port is aligned on a 32-bit boundary.
- //
- ASSERT ((Port & 3) == 0);
- return (UINT32)IoWriteWorker (Port, EfiCpuIoWidthUint32, Value);
-}
-
-/**
- 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 Port is not aligned on a 64-bit boundary, then ASSERT().
-
- If 64-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to read.
-
- @return The value read.
-
-**/
-UINT64
-EFIAPI
-IoRead64 (
- IN UINTN Port
- )
-{
- //
- // Make sure Port is aligned on a 64-bit boundary.
- //
- ASSERT ((Port & 7) == 0);
- return IoReadWorker (Port, EfiCpuIoWidthUint64);
-}
-
-/**
- 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 Port is not aligned on a 64-bit boundary, then ASSERT().
-
- If 64-bit I/O port operations are not supported, then ASSERT().
-
- @param Port The I/O port to write.
- @param Value The value to write to the I/O port.
-
- @return The value written the I/O port.
-
-**/
-UINT64
-EFIAPI
-IoWrite64 (
- IN UINTN Port,
- IN UINT64 Value
- )
-{
- //
- // Make sure Port is aligned on a 64-bit boundary.
- //
- ASSERT ((Port & 7) == 0);
- return IoWriteWorker (Port, EfiCpuIoWidthUint64, Value);
-}
-
-/**
- Reads an 8-bit I/O port fifo into a block of memory.
-
- Reads the 8-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 8-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
-IoReadFifo8 (
- IN UINTN Port,
- IN UINTN Count,
- OUT VOID *Buffer
- )
-{
- IoReadFifoWorker (Port, EfiCpuIoWidthFifoUint8, Count, Buffer);
-}
-
-/**
- Writes a block of memory into an 8-bit I/O port fifo.
-
- Writes the 8-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 8-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
-IoWriteFifo8 (
- IN UINTN Port,
- IN UINTN Count,
- IN VOID *Buffer
- )
-{
- IoWriteFifoWorker (Port, EfiCpuIoWidthFifoUint8, Count, Buffer);
-}
-
-/**
- Reads a 16-bit I/O port fifo into a block of memory.
-
- Reads the 16-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 16-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
-IoReadFifo16 (
- IN UINTN Port,
- IN UINTN Count,
- OUT VOID *Buffer
- )
-{
- //
- // Make sure Port is aligned on a 16-bit boundary.
- //
- ASSERT ((Port & 1) == 0);
- IoReadFifoWorker (Port, EfiCpuIoWidthFifoUint16, Count, Buffer);
-}
-
-/**
- Writes a block of memory into a 16-bit I/O port fifo.
-
- Writes the 16-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 16-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
-IoWriteFifo16 (
- IN UINTN Port,
- IN UINTN Count,
- IN VOID *Buffer
- )
-{
- //
- // Make sure Port is aligned on a 16-bit boundary.
- //
- ASSERT ((Port & 1) == 0);
- IoWriteFifoWorker (Port, EfiCpuIoWidthFifoUint16, Count, Buffer);
-}
-
-/**
- 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
- )
-{
- //
- // Make sure Port is aligned on a 32-bit boundary.
- //
- ASSERT ((Port & 3) == 0);
- IoReadFifoWorker (Port, EfiCpuIoWidthFifoUint32, Count, 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
- )
-{
- //
- // Make sure Port is aligned on a 32-bit boundary.
- //
- ASSERT ((Port & 3) == 0);
- IoWriteFifoWorker (Port, EfiCpuIoWidthFifoUint32, Count, Buffer);
-}
-
-/**
- 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
- )
-{
- return (UINT8)MmioReadWorker (Address, EfiCpuIoWidthUint8);
-}
-
-/**
- Writes an 8-bit MMIO register.
-
- Writes the 8-bit MMIO register specified by Address with the value specified
- by Value and returns Value. This function must guarantee that all MMIO read
- and write operations are serialized.
-
- If 8-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to write.
- @param Value The value to write to the MMIO register.
-
-**/
-UINT8
-EFIAPI
-MmioWrite8 (
- IN UINTN Address,
- IN UINT8 Value
- )
-{
- return (UINT8)MmioWriteWorker (Address, EfiCpuIoWidthUint8, Value);
-}
-
-/**
- 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 Address is not aligned on a 16-bit boundary, then ASSERT().
-
- If 16-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to read.
-
- @return The value read.
-
-**/
-UINT16
-EFIAPI
-MmioRead16 (
- IN UINTN Address
- )
-{
- //
- // Make sure Address is aligned on a 16-bit boundary.
- //
- ASSERT ((Address & 1) == 0);
- return (UINT16)MmioReadWorker (Address, EfiCpuIoWidthUint16);
-}
-
-/**
- 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 Address is not aligned on a 16-bit boundary, then ASSERT().
-
- If 16-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to write.
- @param Value The value to write to the MMIO register.
-
-**/
-UINT16
-EFIAPI
-MmioWrite16 (
- IN UINTN Address,
- IN UINT16 Value
- )
-{
- //
- // Make sure Address is aligned on a 16-bit boundary.
- //
- ASSERT ((Address & 1) == 0);
- return (UINT16)MmioWriteWorker (Address, EfiCpuIoWidthUint16, Value);
-}
-
-/**
- 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 Address is not aligned on a 32-bit boundary, then ASSERT().
-
- If 32-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to read.
-
- @return The value read.
-
-**/
-UINT32
-EFIAPI
-MmioRead32 (
- IN UINTN Address
- )
-{
- //
- // Make sure Address is aligned on a 32-bit boundary.
- //
- ASSERT ((Address & 3) == 0);
- return (UINT32)MmioReadWorker (Address, EfiCpuIoWidthUint32);
-}
-
-/**
- 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 Address is not aligned on a 32-bit boundary, then ASSERT().
-
- If 32-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to write.
- @param Value The value to write to the MMIO register.
-
-**/
-UINT32
-EFIAPI
-MmioWrite32 (
- IN UINTN Address,
- IN UINT32 Value
- )
-{
- //
- // Make sure Address is aligned on a 32-bit boundary.
- //
- ASSERT ((Address & 3) == 0);
- return (UINT32)MmioWriteWorker (Address, EfiCpuIoWidthUint32, Value);
-}
-
-/**
- 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 Address is not aligned on a 64-bit boundary, then ASSERT().
-
- If 64-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to read.
-
- @return The value read.
-
-**/
-UINT64
-EFIAPI
-MmioRead64 (
- IN UINTN Address
- )
-{
- //
- // Make sure Address is aligned on a 64-bit boundary.
- //
- ASSERT ((Address & 7) == 0);
- return (UINT64)MmioReadWorker (Address, EfiCpuIoWidthUint64);
-}
-
-/**
- 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 Address is not aligned on a 64-bit boundary, then ASSERT().
-
- If 64-bit MMIO register operations are not supported, then ASSERT().
-
- @param Address The MMIO register to write.
- @param Value The value to write to the MMIO register.
-
-**/
-UINT64
-EFIAPI
-MmioWrite64 (
- IN UINTN Address,
- IN UINT64 Value
- )
-{
- //
- // Make sure Address is aligned on a 64-bit boundary.
- //
- ASSERT ((Address & 7) == 0);
- return (UINT64)MmioWriteWorker (Address, EfiCpuIoWidthUint64, Value);
-}
|