mirror of https://github.com/acidanthera/audk.git
UefiCpuPkg/SmmCpuFeaturesLib: Restructure arch-dependent code
BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=4182 moves Intel-specific code to the arch-dependent file. Other processor families might have different implementation of these functions. Hence, moving out of the common file. Cc: Abner Chang <abner.chang@amd.com> Cc: Paul Grimes <paul.grimes@amd.com> Cc: Eric Dong <eric.dong@intel.com> Cc: Ray Ni <ray.ni@intel.com> Cc: Rahul Kumar <rahul1.kumar@intel.com> Signed-off-by: Abdul Lateef Attar <AbdulLateef.Attar@amd.com> Reviewed-by: Abner Chang <abner.chang@amd.com> Reviewed-by: Ray Ni <ray.ni@intel.com>
This commit is contained in:
Abdul Lateef Attar
mergify[bot]
parent
775b337c78
commit
11dae72d3f
|
|
@ -417,3 +417,131 @@ SmmCpuFeaturesSetSmmRegister (
|
|||
AsmWriteMsr64 (SMM_FEATURES_LIB_SMM_FEATURE_CONTROL, Value);
|
||||
}
|
||||
}
|
||||
|
||||
/**
|
||||
This function updates the SMRAM save state on the currently executing CPU
|
||||
to resume execution at a specific address after an RSM instruction. This
|
||||
function must evaluate the SMRAM save state to determine the execution mode
|
||||
the RSM instruction resumes and update the resume execution address with
|
||||
either NewInstructionPointer32 or NewInstructionPoint. The auto HALT restart
|
||||
flag in the SMRAM save state must always be cleared. This function returns
|
||||
the value of the instruction pointer from the SMRAM save state that was
|
||||
replaced. If this function returns 0, then the SMRAM save state was not
|
||||
modified.
|
||||
|
||||
This function is called during the very first SMI on each CPU after
|
||||
SmmCpuFeaturesInitializeProcessor() to set a flag in normal execution mode
|
||||
to signal that the SMBASE of each CPU has been updated before the default
|
||||
SMBASE address is used for the first SMI to the next CPU.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to hook. The value
|
||||
must be between 0 and the NumberOfCpus
|
||||
field in the System Management System Table
|
||||
(SMST).
|
||||
@param[in] CpuState Pointer to SMRAM Save State Map for the
|
||||
currently executing CPU.
|
||||
@param[in] NewInstructionPointer32 Instruction pointer to use if resuming to
|
||||
32-bit execution mode from 64-bit SMM.
|
||||
@param[in] NewInstructionPointer Instruction pointer to use if resuming to
|
||||
same execution mode as SMM.
|
||||
|
||||
@retval 0 This function did modify the SMRAM save state.
|
||||
@retval > 0 The original instruction pointer value from the SMRAM save state
|
||||
before it was replaced.
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
SmmCpuFeaturesHookReturnFromSmm (
|
||||
IN UINTN CpuIndex,
|
||||
IN SMRAM_SAVE_STATE_MAP *CpuState,
|
||||
IN UINT64 NewInstructionPointer32,
|
||||
IN UINT64 NewInstructionPointer
|
||||
)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
Read an SMM Save State register on the target processor. If this function
|
||||
returns EFI_UNSUPPORTED, then the caller is responsible for reading the
|
||||
SMM Save Sate register.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to read the SMM Save State. The
|
||||
value must be between 0 and the NumberOfCpus field in
|
||||
the System Management System Table (SMST).
|
||||
@param[in] Register The SMM Save State register to read.
|
||||
@param[in] Width The number of bytes to read from the CPU save state.
|
||||
@param[out] Buffer Upon return, this holds the CPU register value read
|
||||
from the save state.
|
||||
|
||||
@retval EFI_SUCCESS The register was read from Save State.
|
||||
@retval EFI_INVALID_PARAMETER Buffer is NULL.
|
||||
@retval EFI_UNSUPPORTED This function does not support reading Register.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
SmmCpuFeaturesReadSaveStateRegister (
|
||||
IN UINTN CpuIndex,
|
||||
IN EFI_SMM_SAVE_STATE_REGISTER Register,
|
||||
IN UINTN Width,
|
||||
OUT VOID *Buffer
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
/**
|
||||
Writes an SMM Save State register on the target processor. If this function
|
||||
returns EFI_UNSUPPORTED, then the caller is responsible for writing the
|
||||
SMM Save Sate register.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to write the SMM Save State. The
|
||||
value must be between 0 and the NumberOfCpus field in
|
||||
the System Management System Table (SMST).
|
||||
@param[in] Register The SMM Save State register to write.
|
||||
@param[in] Width The number of bytes to write to the CPU save state.
|
||||
@param[in] Buffer Upon entry, this holds the new CPU register value.
|
||||
|
||||
@retval EFI_SUCCESS The register was written to Save State.
|
||||
@retval EFI_INVALID_PARAMETER Buffer is NULL.
|
||||
@retval EFI_UNSUPPORTED This function does not support writing Register.
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
SmmCpuFeaturesWriteSaveStateRegister (
|
||||
IN UINTN CpuIndex,
|
||||
IN EFI_SMM_SAVE_STATE_REGISTER Register,
|
||||
IN UINTN Width,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
/**
|
||||
Check to see if an SMM register is supported by a specified CPU.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to check for SMM register support.
|
||||
The value must be between 0 and the NumberOfCpus field
|
||||
in the System Management System Table (SMST).
|
||||
@param[in] RegName Identifies the SMM register to check for support.
|
||||
|
||||
@retval TRUE The SMM register specified by RegName is supported by the CPU
|
||||
specified by CpuIndex.
|
||||
@retval FALSE The SMM register specified by RegName is not supported by the
|
||||
CPU specified by CpuIndex.
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
SmmCpuFeaturesIsSmmRegisterSupported (
|
||||
IN UINTN CpuIndex,
|
||||
IN SMM_REG_NAME RegName
|
||||
)
|
||||
{
|
||||
if (FeaturePcdGet (PcdSmmFeatureControlEnable) && (RegName == SmmRegFeatureControl)) {
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -17,49 +17,6 @@ SPDX-License-Identifier: BSD-2-Clause-Patent
|
|||
|
||||
#include "CpuFeaturesLib.h"
|
||||
|
||||
/**
|
||||
This function updates the SMRAM save state on the currently executing CPU
|
||||
to resume execution at a specific address after an RSM instruction. This
|
||||
function must evaluate the SMRAM save state to determine the execution mode
|
||||
the RSM instruction resumes and update the resume execution address with
|
||||
either NewInstructionPointer32 or NewInstructionPoint. The auto HALT restart
|
||||
flag in the SMRAM save state must always be cleared. This function returns
|
||||
the value of the instruction pointer from the SMRAM save state that was
|
||||
replaced. If this function returns 0, then the SMRAM save state was not
|
||||
modified.
|
||||
|
||||
This function is called during the very first SMI on each CPU after
|
||||
SmmCpuFeaturesInitializeProcessor() to set a flag in normal execution mode
|
||||
to signal that the SMBASE of each CPU has been updated before the default
|
||||
SMBASE address is used for the first SMI to the next CPU.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to hook. The value
|
||||
must be between 0 and the NumberOfCpus
|
||||
field in the System Management System Table
|
||||
(SMST).
|
||||
@param[in] CpuState Pointer to SMRAM Save State Map for the
|
||||
currently executing CPU.
|
||||
@param[in] NewInstructionPointer32 Instruction pointer to use if resuming to
|
||||
32-bit execution mode from 64-bit SMM.
|
||||
@param[in] NewInstructionPointer Instruction pointer to use if resuming to
|
||||
same execution mode as SMM.
|
||||
|
||||
@retval 0 This function did modify the SMRAM save state.
|
||||
@retval > 0 The original instruction pointer value from the SMRAM save state
|
||||
before it was replaced.
|
||||
**/
|
||||
UINT64
|
||||
EFIAPI
|
||||
SmmCpuFeaturesHookReturnFromSmm (
|
||||
IN UINTN CpuIndex,
|
||||
IN SMRAM_SAVE_STATE_MAP *CpuState,
|
||||
IN UINT64 NewInstructionPointer32,
|
||||
IN UINT64 NewInstructionPointer
|
||||
)
|
||||
{
|
||||
return 0;
|
||||
}
|
||||
|
||||
/**
|
||||
Hook point in normal execution mode that allows the one CPU that was elected
|
||||
as monarch during System Management Mode initialization to perform additional
|
||||
|
|
@ -90,91 +47,6 @@ SmmCpuFeaturesRendezvousExit (
|
|||
{
|
||||
}
|
||||
|
||||
/**
|
||||
Check to see if an SMM register is supported by a specified CPU.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to check for SMM register support.
|
||||
The value must be between 0 and the NumberOfCpus field
|
||||
in the System Management System Table (SMST).
|
||||
@param[in] RegName Identifies the SMM register to check for support.
|
||||
|
||||
@retval TRUE The SMM register specified by RegName is supported by the CPU
|
||||
specified by CpuIndex.
|
||||
@retval FALSE The SMM register specified by RegName is not supported by the
|
||||
CPU specified by CpuIndex.
|
||||
**/
|
||||
BOOLEAN
|
||||
EFIAPI
|
||||
SmmCpuFeaturesIsSmmRegisterSupported (
|
||||
IN UINTN CpuIndex,
|
||||
IN SMM_REG_NAME RegName
|
||||
)
|
||||
{
|
||||
if (FeaturePcdGet (PcdSmmFeatureControlEnable) && (RegName == SmmRegFeatureControl)) {
|
||||
return TRUE;
|
||||
}
|
||||
|
||||
return FALSE;
|
||||
}
|
||||
|
||||
/**
|
||||
Read an SMM Save State register on the target processor. If this function
|
||||
returns EFI_UNSUPPORTED, then the caller is responsible for reading the
|
||||
SMM Save Sate register.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to read the SMM Save State. The
|
||||
value must be between 0 and the NumberOfCpus field in
|
||||
the System Management System Table (SMST).
|
||||
@param[in] Register The SMM Save State register to read.
|
||||
@param[in] Width The number of bytes to read from the CPU save state.
|
||||
@param[out] Buffer Upon return, this holds the CPU register value read
|
||||
from the save state.
|
||||
|
||||
@retval EFI_SUCCESS The register was read from Save State.
|
||||
@retval EFI_INVALID_PARAMETER Buffer is NULL.
|
||||
@retval EFI_UNSUPPORTED This function does not support reading Register.
|
||||
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
SmmCpuFeaturesReadSaveStateRegister (
|
||||
IN UINTN CpuIndex,
|
||||
IN EFI_SMM_SAVE_STATE_REGISTER Register,
|
||||
IN UINTN Width,
|
||||
OUT VOID *Buffer
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
/**
|
||||
Writes an SMM Save State register on the target processor. If this function
|
||||
returns EFI_UNSUPPORTED, then the caller is responsible for writing the
|
||||
SMM Save Sate register.
|
||||
|
||||
@param[in] CpuIndex The index of the CPU to write the SMM Save State. The
|
||||
value must be between 0 and the NumberOfCpus field in
|
||||
the System Management System Table (SMST).
|
||||
@param[in] Register The SMM Save State register to write.
|
||||
@param[in] Width The number of bytes to write to the CPU save state.
|
||||
@param[in] Buffer Upon entry, this holds the new CPU register value.
|
||||
|
||||
@retval EFI_SUCCESS The register was written to Save State.
|
||||
@retval EFI_INVALID_PARAMETER Buffer is NULL.
|
||||
@retval EFI_UNSUPPORTED This function does not support writing Register.
|
||||
**/
|
||||
EFI_STATUS
|
||||
EFIAPI
|
||||
SmmCpuFeaturesWriteSaveStateRegister (
|
||||
IN UINTN CpuIndex,
|
||||
IN EFI_SMM_SAVE_STATE_REGISTER Register,
|
||||
IN UINTN Width,
|
||||
IN CONST VOID *Buffer
|
||||
)
|
||||
{
|
||||
return EFI_UNSUPPORTED;
|
||||
}
|
||||
|
||||
/**
|
||||
This function is hook point called after the gEfiSmmReadyToLockProtocolGuid
|
||||
notification is completely processed.
|
||||
|
|
|
|||
Loading…
Reference in New Issue