diff options
Diffstat (limited to 'Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/CpuIo/CpuIo.c')
| -rw-r--r-- | Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/CpuIo/CpuIo.c | 541 |
1 files changed, 541 insertions, 0 deletions
diff --git a/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/CpuIo/CpuIo.c b/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/CpuIo/CpuIo.c new file mode 100644 index 0000000000..c82c221540 --- /dev/null +++ b/Platform/BroxtonPlatformPkg/Common/SampleCode/MdeModulePkg/Core/Pei/CpuIo/CpuIo.c @@ -0,0 +1,541 @@ +/** @file
+ The default version of EFI_PEI_CPU_IO_PPI support published by PeiServices in
+ PeiCore initialization phase.
+
+ EFI_PEI_CPU_IO_PPI is installed by some platform or chipset-specific PEIM that
+ abstracts the processor-visible I/O operations. When PeiCore is started, the
+ default version of EFI_PEI_CPU_IO_PPI will be assigned to PeiServices table.
+
+Copyright (c) 2009, 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.
+
+**/
+
+#include "PeiMain.h"
+
+///
+/// This default instance of EFI_PEI_CPU_IO_PPI install assigned to EFI_PEI_SERVICE.CpuIo
+/// when PeiCore's initialization.
+///
+EFI_PEI_CPU_IO_PPI gPeiDefaultCpuIoPpi = {
+ {
+ PeiDefaultMemRead,
+ PeiDefaultMemWrite
+ },
+ {
+ PeiDefaultIoRead,
+ PeiDefaultIoWrite
+ },
+ PeiDefaultIoRead8,
+ PeiDefaultIoRead16,
+ PeiDefaultIoRead32,
+ PeiDefaultIoRead64,
+ PeiDefaultIoWrite8,
+ PeiDefaultIoWrite16,
+ PeiDefaultIoWrite32,
+ PeiDefaultIoWrite64,
+ PeiDefaultMemRead8,
+ PeiDefaultMemRead16,
+ PeiDefaultMemRead32,
+ PeiDefaultMemRead64,
+ PeiDefaultMemWrite8,
+ PeiDefaultMemWrite16,
+ PeiDefaultMemWrite32,
+ PeiDefaultMemWrite64
+};
+
+/**
+ Memory-based read services.
+
+ This function is to perform the Memory Access Read service based on installed
+ instance of the EFI_PEI_CPU_IO_PPI.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return EFI_NOT_YET_AVAILABLE.
+
+ @param PeiServices An indirect pointer to the PEI Services Table
+ published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Width The width of the access. Enumerated in bytes.
+ @param Address The physical address of the access.
+ @param Count The number of accesses to perform.
+ @param Buffer A pointer to the buffer of data.
+
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_YET_AVAILABLE The service has not been installed.
+**/
+EFI_STATUS
+EFIAPI
+PeiDefaultMemRead (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ Memory-based write services.
+
+ This function is to perform the Memory Access Write service based on installed
+ instance of the EFI_PEI_CPU_IO_PPI.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return EFI_NOT_YET_AVAILABLE.
+
+ @param PeiServices An indirect pointer to the PEI Services Table
+ published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Width The width of the access. Enumerated in bytes.
+ @param Address The physical address of the access.
+ @param Count The number of accesses to perform.
+ @param Buffer A pointer to the buffer of data.
+
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_YET_AVAILABLE The service has not been installed.
+**/
+EFI_STATUS
+EFIAPI
+PeiDefaultMemWrite (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ IO-based read services.
+
+ This function is to perform the IO-base read service for the EFI_PEI_CPU_IO_PPI.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return EFI_NOT_YET_AVAILABLE.
+
+ @param PeiServices An indirect pointer to the PEI Services Table
+ published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Width The width of the access. Enumerated in bytes.
+ @param Address The physical address of the access.
+ @param Count The number of accesses to perform.
+ @param Buffer A pointer to the buffer of data.
+
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_YET_AVAILABLE The service has not been installed.
+**/
+EFI_STATUS
+EFIAPI
+PeiDefaultIoRead (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ IO-based write services.
+
+ This function is to perform the IO-base write service for the EFI_PEI_CPU_IO_PPI.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return EFI_NOT_YET_AVAILABLE.
+
+ @param PeiServices An indirect pointer to the PEI Services Table
+ published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Width The width of the access. Enumerated in bytes.
+ @param Address The physical address of the access.
+ @param Count The number of accesses to perform.
+ @param Buffer A pointer to the buffer of data.
+
+ @retval EFI_SUCCESS The function completed successfully.
+ @retval EFI_NOT_YET_AVAILABLE The service has not been installed.
+**/
+EFI_STATUS
+EFIAPI
+PeiDefaultIoWrite (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN EFI_PEI_CPU_IO_PPI_WIDTH Width,
+ IN UINT64 Address,
+ IN UINTN Count,
+ IN OUT VOID *Buffer
+ )
+{
+ return EFI_NOT_AVAILABLE_YET;
+}
+
+/**
+ 8-bit I/O read operations.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return An 8-bit value returned from the I/O space.
+**/
+UINT8
+EFIAPI
+PeiDefaultIoRead8 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ Reads an 16-bit I/O port.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return A 16-bit value returned from the I/O space.
+**/
+UINT16
+EFIAPI
+PeiDefaultIoRead16 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ Reads an 32-bit I/O port.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return A 32-bit value returned from the I/O space.
+**/
+UINT32
+EFIAPI
+PeiDefaultIoRead32 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ Reads an 64-bit I/O port.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return A 64-bit value returned from the I/O space.
+**/
+UINT64
+EFIAPI
+PeiDefaultIoRead64 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ 8-bit I/O write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+**/
+VOID
+EFIAPI
+PeiDefaultIoWrite8 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT8 Data
+ )
+{
+}
+
+/**
+ 16-bit I/O write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+**/
+VOID
+EFIAPI
+PeiDefaultIoWrite16 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT16 Data
+ )
+{
+}
+
+/**
+ 32-bit I/O write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+**/
+VOID
+EFIAPI
+PeiDefaultIoWrite32 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT32 Data
+ )
+{
+}
+
+/**
+ 64-bit I/O write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+**/
+VOID
+EFIAPI
+PeiDefaultIoWrite64 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT64 Data
+ )
+{
+}
+
+/**
+ 8-bit memory read operations.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return An 8-bit value returned from the memory space.
+
+**/
+UINT8
+EFIAPI
+PeiDefaultMemRead8 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ 16-bit memory read operations.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return An 16-bit value returned from the memory space.
+
+**/
+UINT16
+EFIAPI
+PeiDefaultMemRead16 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ 32-bit memory read operations.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return An 32-bit value returned from the memory space.
+
+**/
+UINT32
+EFIAPI
+PeiDefaultMemRead32 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ 64-bit memory read operations.
+
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then
+ return 0.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+
+ @return An 64-bit value returned from the memory space.
+
+**/
+UINT64
+EFIAPI
+PeiDefaultMemRead64 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address
+ )
+{
+ return 0;
+}
+
+/**
+ 8-bit memory write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+
+**/
+VOID
+EFIAPI
+PeiDefaultMemWrite8 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT8 Data
+ )
+{
+}
+
+/**
+ 16-bit memory write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+
+**/
+VOID
+EFIAPI
+PeiDefaultMemWrite16 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT16 Data
+ )
+{
+}
+
+/**
+ 32-bit memory write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+
+**/
+VOID
+EFIAPI
+PeiDefaultMemWrite32 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT32 Data
+ )
+{
+}
+
+/**
+ 64-bit memory write operations.
+ If the EFI_PEI_CPU_IO_PPI is not installed by platform/chipset PEIM, then do
+ nothing.
+
+ @param PeiServices An indirect pointer to the PEI Services Table published by the PEI Foundation.
+ @param This Pointer to local data for the interface.
+ @param Address The physical address of the access.
+ @param Data The data to write.
+
+**/
+VOID
+EFIAPI
+PeiDefaultMemWrite64 (
+ IN CONST EFI_PEI_SERVICES **PeiServices,
+ IN CONST EFI_PEI_CPU_IO_PPI *This,
+ IN UINT64 Address,
+ IN UINT64 Data
+ )
+{
+}
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