mirror of https://github.com/acidanthera/audk.git
131 lines
3.6 KiB
C
131 lines
3.6 KiB
C
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/*++
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Copyright (c) 2005, Intel Corporation
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All rights reserved. This program and the accompanying materials
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are licensed and made available under the terms and conditions of the BSD License
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which accompanies this distribution. The full text of the license may be found at
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http://opensource.org/licenses/bsd-license.php
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THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
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WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
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Module Name:
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IoLib.c
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Abstract:
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Light weight lib to support Tiano drivers.
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--*/
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#include "Tiano.h"
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#include "EfiRuntimeLib.h"
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#include EFI_PROTOCOL_DEFINITION (CpuIo)
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extern EFI_CPU_IO_PROTOCOL *gCpuIo;
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EFI_STATUS
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EfiIoRead (
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IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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)
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/*++
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Routine Description:
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Perform an IO read into Buffer.
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Arguments:
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Width - Width of read transaction, and repeat operation to use
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Address - IO address to read
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Count - Number of times to read the IO address.
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Buffer - Buffer to read data into. size is Width * Count
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Returns:
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BugBug: Check with Mike to see if I can find this #define some ware else
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--*/
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{
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return gCpuIo->Io.Read (gCpuIo, Width, Address, Count, Buffer);
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}
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EFI_STATUS
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EfiIoWrite (
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IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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)
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/*++
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Routine Description:
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Perform an IO write into Buffer.
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Arguments:
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Width - Width of write transaction, and repeat operation to use
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Address - IO address to write
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Count - Number of times to write the IO address.
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Buffer - Buffer to write data from. size is Width * Count
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Returns:
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BugBug: Check with Mike to see if I can find this #define some ware else
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--*/
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{
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return gCpuIo->Io.Write (gCpuIo, Width, Address, Count, Buffer);
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}
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EFI_STATUS
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EfiMemRead (
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IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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)
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/*++
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Routine Description:
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Perform a Memory mapped IO read into Buffer.
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Arguments:
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Width - Width of each read transaction.
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Address - Memory mapped IO address to read
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Count - Number of Width quanta to read
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Buffer - Buffer to read data into. size is Width * Count
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Returns:
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BugBug: Check with Mike to see if I can find this #define some ware else
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--*/
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{
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return gCpuIo->Mem.Read (gCpuIo, Width, Address, Count, Buffer);
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}
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EFI_STATUS
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EfiMemWrite (
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IN EFI_CPU_IO_PROTOCOL_WIDTH Width,
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IN UINT64 Address,
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IN UINTN Count,
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IN OUT VOID *Buffer
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)
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/*++
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Routine Description:
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Perform a memory mapped IO write into Buffer.
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Arguments:
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Width - Width of write transaction, and repeat operation to use
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Address - IO address to write
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Count - Number of times to write the IO address.
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Buffer - Buffer to write data from. size is Width * Count
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Returns:
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BugBug: Check with Mike to see if I can find this #define some ware else
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--*/
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{
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return gCpuIo->Mem.Write (gCpuIo, Width, Address, Count, Buffer);
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}
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