diff options
Diffstat (limited to 'EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/IoLib.c')
-rw-r--r-- | EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/IoLib.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/IoLib.c b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/IoLib.c new file mode 100644 index 0000000..ad65bae --- /dev/null +++ b/EDK/Foundation/Library/RuntimeDxe/EfiRuntimeLib/ia32/IoLib.c @@ -0,0 +1,130 @@ +/*++ + +Copyright (c) 2004, 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 + +Abstract: + + Light weight lib to support Tiano drivers. + +--*/ + +#include "Tiano.h" +#include "EfiRuntimeLib.h" +#include EFI_PROTOCOL_DEFINITION (CpuIo) + +extern EFI_CPU_IO_PROTOCOL *gCpuIo; + +EFI_STATUS +EfiIoRead ( + IN EFI_CPU_IO_PROTOCOL_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN OUT VOID *Buffer + ) +/*++ + +Routine Description: + Perform an IO read into Buffer. + +Arguments: + Width - Width of read transaction, and repeat operation to use + Address - IO address to read + Count - Number of times to read the IO address. + Buffer - Buffer to read data into. size is Width * Count + +Returns: + BugBug: Check with Mike to see if I can find this #define some ware else + +--*/ +{ + return gCpuIo->Io.Read (gCpuIo, Width, Address, Count, Buffer); +} + +EFI_STATUS +EfiIoWrite ( + IN EFI_CPU_IO_PROTOCOL_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN OUT VOID *Buffer + ) +/*++ + +Routine Description: + Perform an IO write into Buffer. + +Arguments: + Width - Width of write transaction, and repeat operation to use + Address - IO address to write + Count - Number of times to write the IO address. + Buffer - Buffer to write data from. size is Width * Count + +Returns: + BugBug: Check with Mike to see if I can find this #define some ware else + +--*/ +{ + return gCpuIo->Io.Write (gCpuIo, Width, Address, Count, Buffer); +} + +EFI_STATUS +EfiMemRead ( + IN EFI_CPU_IO_PROTOCOL_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN OUT VOID *Buffer + ) +/*++ + +Routine Description: + Perform a Memory mapped IO read into Buffer. + +Arguments: + Width - Width of each read transaction. + Address - Memory mapped IO address to read + Count - Number of Width quanta to read + Buffer - Buffer to read data into. size is Width * Count + +Returns: + BugBug: Check with Mike to see if I can find this #define some ware else + +--*/ +{ + return gCpuIo->Mem.Read (gCpuIo, Width, Address, Count, Buffer); +} + +EFI_STATUS +EfiMemWrite ( + IN EFI_CPU_IO_PROTOCOL_WIDTH Width, + IN UINT64 Address, + IN UINTN Count, + IN OUT VOID *Buffer + ) +/*++ + +Routine Description: + Perform a memory mapped IO write into Buffer. + +Arguments: + Width - Width of write transaction, and repeat operation to use + Address - IO address to write + Count - Number of times to write the IO address. + Buffer - Buffer to write data from. size is Width * Count + +Returns: + BugBug: Check with Mike to see if I can find this #define some ware else + +--*/ +{ + return gCpuIo->Mem.Write (gCpuIo, Width, Address, Count, Buffer); +} |