diff options
| author | Guo Mang <mang.guo@intel.com> | 2016-12-22 15:57:14 +0800 |
|---|---|---|
| committer | Guo Mang <mang.guo@intel.com> | 2016-12-26 19:14:41 +0800 |
| commit | 1760cf81e4b1847c6823ea3514a78dd120e19b6e (patch) | |
| tree | 64a874b14050fe24d3bbc1bc13cd293abf8ae018 /Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h | |
| parent | 7f05fa00f73038b425002566d3afe6c3ade2ccdb (diff) | |
| download | edk2-platforms-1760cf81e4b1847c6823ea3514a78dd120e19b6e.tar.xz | |
MdePkg: Move to new location
Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Guo Mang <mang.guo@intel.com>
Diffstat (limited to 'Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h')
| -rw-r--r-- | Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h | 116 |
1 files changed, 116 insertions, 0 deletions
diff --git a/Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h b/Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h new file mode 100644 index 0000000000..b459214e1b --- /dev/null +++ b/Core/MdePkg/Library/DxeIoLibCpuIo2/DxeCpuIo2LibInternal.h @@ -0,0 +1,116 @@ +/** @file
+ Internal include file of DXE CPU IO2 Library.
+
+ Copyright (c) 2010, Intel Corporation. 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.
+
+**/
+
+#ifndef _DXE_CPUIO2_LIB_INTERNAL_H_
+#define _DXE_CPUIO2_LIB_INTERNAL_H_
+
+#include <PiDxe.h>
+
+#include <Protocol/CpuIo2.h>
+
+#include <Library/IoLib.h>
+#include <Library/UefiBootServicesTableLib.h>
+#include <Library/DebugLib.h>
+#include <Library/BaseLib.h>
+
+
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+/**
+ 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
+ );
+
+#endif
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