mirror of
https://github.com/CloverHackyColor/CloverBootloader.git
synced 2024-12-10 14:23:31 +01:00
84 lines
2.9 KiB
C
84 lines
2.9 KiB
C
/** @file
|
|
The CPU specific programming for PiSmmCpuDxeSmm module when STM support
|
|
is not included.
|
|
|
|
Copyright (c) 2010 - 2016, Intel Corporation. All rights reserved.<BR>
|
|
SPDX-License-Identifier: BSD-2-Clause-Patent
|
|
|
|
**/
|
|
|
|
#include <PiSmm.h>
|
|
#include <Library/SmmCpuFeaturesLib.h>
|
|
|
|
/**
|
|
Internal worker function that is called to complete CPU initialization at the
|
|
end of SmmCpuFeaturesInitializeProcessor().
|
|
|
|
**/
|
|
VOID
|
|
FinishSmmCpuFeaturesInitializeProcessor (
|
|
VOID
|
|
)
|
|
{
|
|
}
|
|
|
|
/**
|
|
Return the size, in bytes, of a custom SMI Handler in bytes. If 0 is
|
|
returned, then a custom SMI handler is not provided by this library,
|
|
and the default SMI handler must be used.
|
|
|
|
@retval 0 Use the default SMI handler.
|
|
@retval > 0 Use the SMI handler installed by SmmCpuFeaturesInstallSmiHandler()
|
|
The caller is required to allocate enough SMRAM for each CPU to
|
|
support the size of the custom SMI handler.
|
|
**/
|
|
UINTN
|
|
EFIAPI
|
|
SmmCpuFeaturesGetSmiHandlerSize (
|
|
VOID
|
|
)
|
|
{
|
|
return 0;
|
|
}
|
|
|
|
/**
|
|
Install a custom SMI handler for the CPU specified by CpuIndex. This function
|
|
is only called if SmmCpuFeaturesGetSmiHandlerSize() returns a size is greater
|
|
than zero and is called by the CPU that was elected as monarch during System
|
|
Management Mode initialization.
|
|
|
|
@param[in] CpuIndex The index of the CPU to install the custom SMI handler.
|
|
The value must be between 0 and the NumberOfCpus field
|
|
in the System Management System Table (SMST).
|
|
@param[in] SmBase The SMBASE address for the CPU specified by CpuIndex.
|
|
@param[in] SmiStack The stack to use when an SMI is processed by the
|
|
the CPU specified by CpuIndex.
|
|
@param[in] StackSize The size, in bytes, if the stack used when an SMI is
|
|
processed by the CPU specified by CpuIndex.
|
|
@param[in] GdtBase The base address of the GDT to use when an SMI is
|
|
processed by the CPU specified by CpuIndex.
|
|
@param[in] GdtSize The size, in bytes, of the GDT used when an SMI is
|
|
processed by the CPU specified by CpuIndex.
|
|
@param[in] IdtBase The base address of the IDT to use when an SMI is
|
|
processed by the CPU specified by CpuIndex.
|
|
@param[in] IdtSize The size, in bytes, of the IDT used when an SMI is
|
|
processed by the CPU specified by CpuIndex.
|
|
@param[in] Cr3 The base address of the page tables to use when an SMI
|
|
is processed by the CPU specified by CpuIndex.
|
|
**/
|
|
VOID
|
|
EFIAPI
|
|
SmmCpuFeaturesInstallSmiHandler (
|
|
IN UINTN CpuIndex,
|
|
IN UINT32 SmBase,
|
|
IN VOID *SmiStack,
|
|
IN UINTN StackSize,
|
|
IN UINTN GdtBase,
|
|
IN UINTN GdtSize,
|
|
IN UINTN IdtBase,
|
|
IN UINTN IdtSize,
|
|
IN UINT32 Cr3
|
|
)
|
|
{
|
|
}
|