diff options
Diffstat (limited to 'MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c')
| -rw-r--r-- | MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c | 212 |
1 files changed, 106 insertions, 106 deletions
diff --git a/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c b/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c index 74908a379b..1ce9ce3479 100644 --- a/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c +++ b/MdeModulePkg/Library/CpuExceptionHandlerLibNull/CpuExceptionHandlerLibNull.c @@ -1,106 +1,106 @@ -/** @file
- CPU Exception Handler library implementition with empty functions.
-
- Copyright (c) 2012 - 2022, Intel Corporation. All rights reserved.<BR>
- SPDX-License-Identifier: BSD-2-Clause-Patent
-
-**/
-#include <PiPei.h>
-#include <Library/CpuExceptionHandlerLib.h>
-
-/**
- Initializes all CPU exceptions entries and provides the default exception handlers.
-
- Caller should try to get an array of interrupt and/or exception vectors that are in use and need to
- persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification.
- If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL.
- If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly.
-
- @param[in] VectorInfo Pointer to reserved vector list.
-
- @retval EFI_SUCCESS CPU Exception Entries have been successfully initialized
- with default exception handlers.
- @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL.
- @retval EFI_UNSUPPORTED This function is not supported.
-
-**/
-EFI_STATUS
-EFIAPI
-InitializeCpuExceptionHandlers (
- IN EFI_VECTOR_HANDOFF_INFO *VectorInfo OPTIONAL
- )
-{
- return EFI_SUCCESS;
-}
-
-/**
- Registers a function to be called from the processor interrupt handler.
-
- This function registers and enables the handler specified by InterruptHandler for a processor
- interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the
- handler for the processor interrupt or exception type specified by InterruptType is uninstalled.
- The installed handler is called once for each processor interrupt or exception.
- NOTE: This function should be invoked after InitializeCpuExceptionHandlers() is invoked,
- otherwise EFI_UNSUPPORTED returned.
-
- @param[in] InterruptType Defines which interrupt or exception to hook.
- @param[in] InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called
- when a processor interrupt occurs. If this parameter is NULL, then the handler
- will be uninstalled.
-
- @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled.
- @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was
- previously installed.
- @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not
- previously installed.
- @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported,
- or this function is not supported.
-**/
-EFI_STATUS
-EFIAPI
-RegisterCpuInterruptHandler (
- IN EFI_EXCEPTION_TYPE InterruptType,
- IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler
- )
-{
- return EFI_UNSUPPORTED;
-}
-
-/**
- Display processor context.
-
- @param[in] ExceptionType Exception type.
- @param[in] SystemContext Processor context to be display.
-**/
-VOID
-EFIAPI
-DumpCpuContext (
- IN EFI_EXCEPTION_TYPE ExceptionType,
- IN EFI_SYSTEM_CONTEXT SystemContext
- )
-{
-}
-
-/**
- Setup separate stacks for certain exception handlers.
- If the input Buffer and BufferSize are both NULL, use global variable if possible.
-
- @param[in] Buffer Point to buffer used to separate exception stack.
- @param[in, out] BufferSize On input, it indicates the byte size of Buffer.
- If the size is not enough, the return status will
- be EFI_BUFFER_TOO_SMALL, and output BufferSize
- will be the size it needs.
-
- @retval EFI_SUCCESS The stacks are assigned successfully.
- @retval EFI_UNSUPPORTED This function is not supported.
- @retval EFI_BUFFER_TOO_SMALL This BufferSize is too small.
-**/
-EFI_STATUS
-EFIAPI
-InitializeSeparateExceptionStacks (
- IN VOID *Buffer,
- IN OUT UINTN *BufferSize
- )
-{
- return EFI_UNSUPPORTED;
-}
+/** @file + CPU Exception Handler library implementition with empty functions. + + Copyright (c) 2012 - 2022, Intel Corporation. All rights reserved.<BR> + SPDX-License-Identifier: BSD-2-Clause-Patent + +**/ +#include <PiPei.h> +#include <Library/CpuExceptionHandlerLib.h> + +/** + Initializes all CPU exceptions entries and provides the default exception handlers. + + Caller should try to get an array of interrupt and/or exception vectors that are in use and need to + persist by EFI_VECTOR_HANDOFF_INFO defined in PI 1.3 specification. + If caller cannot get reserved vector list or it does not exists, set VectorInfo to NULL. + If VectorInfo is not NULL, the exception vectors will be initialized per vector attribute accordingly. + + @param[in] VectorInfo Pointer to reserved vector list. + + @retval EFI_SUCCESS CPU Exception Entries have been successfully initialized + with default exception handlers. + @retval EFI_INVALID_PARAMETER VectorInfo includes the invalid content if VectorInfo is not NULL. + @retval EFI_UNSUPPORTED This function is not supported. + +**/ +EFI_STATUS +EFIAPI +InitializeCpuExceptionHandlers ( + IN EFI_VECTOR_HANDOFF_INFO *VectorInfo OPTIONAL + ) +{ + return EFI_SUCCESS; +} + +/** + Registers a function to be called from the processor interrupt handler. + + This function registers and enables the handler specified by InterruptHandler for a processor + interrupt or exception type specified by InterruptType. If InterruptHandler is NULL, then the + handler for the processor interrupt or exception type specified by InterruptType is uninstalled. + The installed handler is called once for each processor interrupt or exception. + NOTE: This function should be invoked after InitializeCpuExceptionHandlers() is invoked, + otherwise EFI_UNSUPPORTED returned. + + @param[in] InterruptType Defines which interrupt or exception to hook. + @param[in] InterruptHandler A pointer to a function of type EFI_CPU_INTERRUPT_HANDLER that is called + when a processor interrupt occurs. If this parameter is NULL, then the handler + will be uninstalled. + + @retval EFI_SUCCESS The handler for the processor interrupt was successfully installed or uninstalled. + @retval EFI_ALREADY_STARTED InterruptHandler is not NULL, and a handler for InterruptType was + previously installed. + @retval EFI_INVALID_PARAMETER InterruptHandler is NULL, and a handler for InterruptType was not + previously installed. + @retval EFI_UNSUPPORTED The interrupt specified by InterruptType is not supported, + or this function is not supported. +**/ +EFI_STATUS +EFIAPI +RegisterCpuInterruptHandler ( + IN EFI_EXCEPTION_TYPE InterruptType, + IN EFI_CPU_INTERRUPT_HANDLER InterruptHandler + ) +{ + return EFI_UNSUPPORTED; +} + +/** + Display processor context. + + @param[in] ExceptionType Exception type. + @param[in] SystemContext Processor context to be display. +**/ +VOID +EFIAPI +DumpCpuContext ( + IN EFI_EXCEPTION_TYPE ExceptionType, + IN EFI_SYSTEM_CONTEXT SystemContext + ) +{ +} + +/** + Setup separate stacks for certain exception handlers. + If the input Buffer and BufferSize are both NULL, use global variable if possible. + + @param[in] Buffer Point to buffer used to separate exception stack. + @param[in, out] BufferSize On input, it indicates the byte size of Buffer. + If the size is not enough, the return status will + be EFI_BUFFER_TOO_SMALL, and output BufferSize + will be the size it needs. + + @retval EFI_SUCCESS The stacks are assigned successfully. + @retval EFI_UNSUPPORTED This function is not supported. + @retval EFI_BUFFER_TOO_SMALL This BufferSize is too small. +**/ +EFI_STATUS +EFIAPI +InitializeSeparateExceptionStacks ( + IN VOID *Buffer, + IN OUT UINTN *BufferSize + ) +{ + return EFI_UNSUPPORTED; +} |