X-Git-Url: https://git.proxmox.com/?p=mirror_edk2.git;a=blobdiff_plain;f=OldMdePkg%2FLibrary%2FDxeIoLibCpuIo%2FIoLib.c;fp=OldMdePkg%2FLibrary%2FDxeIoLibCpuIo%2FIoLib.c;h=0000000000000000000000000000000000000000;hp=64ba3480efa57ddcf1a9561f0f1365a84eb6d4ff;hb=808def96aa4589fba9c2d0ea55837754a3b7a4f7;hpb=9216450d1143056a50a5f916984a2d7faf590488 diff --git a/OldMdePkg/Library/DxeIoLibCpuIo/IoLib.c b/OldMdePkg/Library/DxeIoLibCpuIo/IoLib.c deleted file mode 100644 index 64ba3480ef..0000000000 --- a/OldMdePkg/Library/DxeIoLibCpuIo/IoLib.c +++ /dev/null @@ -1,594 +0,0 @@ -/** @file - I/O Library. - - Copyright (c) 2006, Intel Corporation
- All rights reserved. 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. -// -STATIC 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 paramter 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 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. - - @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 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 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 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 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 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 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 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 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 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 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 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 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 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); -}