IntelFsp2Pkg/FspSecCore/SecFspApiChk.c | 6 +++--- IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c | 19 ++++++++++++++++++- IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf | 48 ++++++++++++++++++++++++++++++++++++++++++++++++ IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm | 5 ++++- IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++ IntelFsp2Pkg/Include/FspEas/FspApi.h | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++-- IntelFsp2Pkg/Include/FspGlobalData.h | 3 ++- IntelFsp2Pkg/Include/Guid/FspHeaderFile.h | 10 ++++++++-- IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h | 16 +++++++++++++++- 9 files changed, 288 insertions(+), 11 deletions(-)
REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2698
To enhance FSP silicon initialization flexibility an optional
Multi-Phase API is introduced and FSP header needs update for
new API offset. Also new SecCore module created for
FspMultiPhaseSiInit API
New ARCH_UPD introduced for enhancing FSP debug message
flexibility now bootloader can pass its own debug handler
function pointer and FSP will call the function to handle
debug message.
Cc: Maurice Ma <maurice.ma@intel.com>
Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
Cc: Star Zeng <star.zeng@intel.com>
Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
---
IntelFsp2Pkg/FspSecCore/SecFspApiChk.c | 6 +++---
IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c | 19 ++++++++++++++++++-
IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf | 48 ++++++++++++++++++++++++++++++++++++++++++++++++
IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm | 5 ++++-
IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm | 68 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
IntelFsp2Pkg/Include/FspEas/FspApi.h | 124 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--
IntelFsp2Pkg/Include/FspGlobalData.h | 3 ++-
IntelFsp2Pkg/Include/Guid/FspHeaderFile.h | 10 ++++++++--
IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h | 16 +++++++++++++++-
9 files changed, 288 insertions(+), 11 deletions(-)
diff --git a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
index 8e0595fe9a..1334959005 100644
--- a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
+++ b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
@@ -1,6 +1,6 @@
/** @file
- Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -59,7 +59,7 @@ FspApiCallingCheck (
Status = EFI_UNSUPPORTED;
}
}
- } else if (ApiIdx == FspSiliconInitApiIndex) {
+ } else if ((ApiIdx == FspSiliconInitApiIndex) || (ApiIdx == FspMultiPhaseSiInitApiIndex)) {
//
// FspSiliconInit check
//
@@ -68,7 +68,7 @@ FspApiCallingCheck (
} else {
if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
Status = EFI_UNSUPPORTED;
- } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
+ } else if (EFI_ERROR (FspUpdSignatureCheck (FspSiliconInitApiIndex, ApiParam))) {
Status = EFI_INVALID_PARAMETER;
}
}
diff --git a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
index f7945b5240..df8c5d121f 100644
--- a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
+++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
@@ -1,7 +1,7 @@
/** @file
Null instance of Platform Sec Lib.
- Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -25,3 +25,20 @@ FspUpdSignatureCheck (
{
return EFI_SUCCESS;
}
+
+/**
+ This function handles FspMultiPhaseSiInitApi.
+
+ @param[in] ApiIdx Internal index of the FSP API.
+ @param[in] ApiParam Parameter of the FSP API.
+
+**/
+EFI_STATUS
+EFIAPI
+FspMultiPhaseSiInitApiHandler (
+ IN UINT32 ApiIdx,
+ IN VOID *ApiParam
+ )
+{
+ return EFI_SUCCESS;
+}
diff --git a/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
new file mode 100644
index 0000000000..184101c7d3
--- /dev/null
+++ b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
@@ -0,0 +1,48 @@
+## @file
+# Sec Core for FSP to support MultiPhase (SeparatePhase) SiInitialization.
+#
+# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+#
+# SPDX-License-Identifier: BSD-2-Clause-Patent
+#
+##
+
+[Defines]
+ INF_VERSION = 0x00010005
+ BASE_NAME = FspSecCoreSS
+ FILE_GUID = DF0FCD70-264A-40BF-BBD4-06C76DB19CB1
+ MODULE_TYPE = SEC
+ VERSION_STRING = 1.0
+
+#
+# The following information is for reference only and not required by the build tools.
+#
+# VALID_ARCHITECTURES = IA32
+#
+
+[Sources]
+ SecFspApiChk.c
+ SecFsp.h
+
+[Sources.IA32]
+ Ia32/Stack.nasm
+ Ia32/FspApiEntrySS.nasm
+ Ia32/FspApiEntryCommon.nasm
+ Ia32/FspHelper.nasm
+
+[Binaries.Ia32]
+ RAW|Vtf0/Bin/ResetVec.ia32.raw |GCC
+
+[Packages]
+ MdePkg/MdePkg.dec
+ IntelFsp2Pkg/IntelFsp2Pkg.dec
+
+[LibraryClasses]
+ BaseMemoryLib
+ DebugLib
+ BaseLib
+ PciCf8Lib
+ SerialPortLib
+ FspSwitchStackLib
+ FspCommonLib
+ FspSecPlatformLib
diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
index bb4451b145..26ae7d9fd3 100644
--- a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
+++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
@@ -1,7 +1,7 @@
;; @file
; Provide FSP API entry points.
;
-; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
+; Copyright (c) 2016 - 2020, Intel Corporation. All rights reserved.<BR>
; SPDX-License-Identifier: BSD-2-Clause-Patent
;;
@@ -62,6 +62,9 @@ FspApiCommon2:
cmp eax, 3 ; FspMemoryInit API
jz FspApiCommon3
+ cmp eax, 6 ; FspMultiPhaseSiInitApiIndex API
+ jz FspApiCommon3
+
call ASM_PFX(AsmGetFspInfoHeader)
jmp ASM_PFX(Loader2PeiSwitchStack)
diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
new file mode 100644
index 0000000000..e6956277a9
--- /dev/null
+++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
@@ -0,0 +1,68 @@
+;; @file
+; Provide FSP API entry points.
+;
+; Copyright (c) 2020, Intel Corporation. All rights reserved.<BR>
+; SPDX-License-Identifier: BSD-2-Clause-Patent
+;;
+
+ SECTION .text
+
+;
+; Following functions will be provided in C
+;
+extern ASM_PFX(FspApiCommon)
+extern ASM_PFX(FspMultiPhaseSiInitApiHandler)
+
+;----------------------------------------------------------------------------
+; FspMultiPhaseSiInitApi API
+;
+; This FSP API provides multi-phase silicon initialization, which brings greater
+; modularity beyond the existing FspSiliconInit() API.
+; Increased modularity is achieved by adding an extra API to FSP-S.
+; This allows the bootloader to add board specific initialization steps throughout
+; the SiliconInit flow as needed.
+;
+;----------------------------------------------------------------------------
+global ASM_PFX(FspMultiPhaseSiInitApi)
+ASM_PFX(FspMultiPhaseSiInitApi):
+ mov eax, 6 ; FSP_API_INDEX.FspMultiPhaseSiInitApiIndex
+ jmp ASM_PFX(FspApiCommon)
+
+;----------------------------------------------------------------------------
+; FspApiCommonContinue API
+;
+; This is the FSP API common entry point to resume the FSP execution
+;
+;----------------------------------------------------------------------------
+global ASM_PFX(FspApiCommonContinue)
+ASM_PFX(FspApiCommonContinue):
+ ;
+ ; Handle FspMultiPhaseSiInitApiIndex API
+ ;
+ pushad
+ push DWORD [esp + (4 * 8 + 4)] ; push ApiParam
+ push eax ; push ApiIdx
+ call ASM_PFX(FspMultiPhaseSiInitApiHandler)
+ add esp, 8
+ mov dword [esp + (4 * 7)], eax
+ popad
+ ret
+
+;----------------------------------------------------------------------------
+; TempRamInit API
+;
+; Empty function for WHOLEARCHIVE build option
+;
+;----------------------------------------------------------------------------
+global ASM_PFX(TempRamInitApi)
+ASM_PFX(TempRamInitApi):
+ jmp $
+ ret
+
+;----------------------------------------------------------------------------
+; Module Entrypoint API
+;----------------------------------------------------------------------------
+global ASM_PFX(_ModuleEntryPoint)
+ASM_PFX(_ModuleEntryPoint):
+ jmp $
+
diff --git a/IntelFsp2Pkg/Include/FspEas/FspApi.h b/IntelFsp2Pkg/Include/FspEas/FspApi.h
index dcf489dbe6..ca908b0198 100644
--- a/IntelFsp2Pkg/Include/FspEas/FspApi.h
+++ b/IntelFsp2Pkg/Include/FspEas/FspApi.h
@@ -2,7 +2,7 @@
Intel FSP API definition from Intel Firmware Support Package External
Architecture Specification v2.0.
- Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -10,6 +10,8 @@
#ifndef _FSP_API_H_
#define _FSP_API_H_
+#include <Pi/PiStatusCode.h>
+
///
/// FSP Reset Status code
/// These are defined in FSP EAS v2.0 section 11.2.2 - OEM Status Code
@@ -24,6 +26,60 @@
#define FSP_STATUS_RESET_REQUIRED_8 0x40000008
/// @}
+/*
+ FSP may optionally include the capability of generating events messages to aid in the debugging of firmware issues.
+ These events fall under three catagories: Error, Progress, and Debug. The event reporting mechanism follows the
+ status code services described in section 6 and 7 of the PI Specification v1.7 Volume 3.
+
+ @param[in] Type Indicates the type of event being reported.
+ See Section 11.10 Appendix A - Data Structures for the definition of EFI_STATUS_CODE_TYPE.
+ @param[in] Value Describes the current status of a hardware or software entity.
+ This includes information about the class and subclass that is used to classify the entity as well as an operation.
+ For progress events, the operation is the current activity. For error events, it is the exception.
+ For debug events, it is not defined at this time.
+ See Section 11.10 Appendix A - Data Structures for the definition of EFI_STATUS_CODE_VALUE.
+ @param[in] Instance The enumeration of a hardware or software entity within the system.
+ A system may contain multiple entities that match a class/subclass pairing. The instance differentiates between them.
+ An instance of 0 indicates that instance information is unavailable, not meaningful, or not relevant.
+ Valid instance numbers start with 1.
+ @param[in] *CallerId This parameter can be used to identify the sub-module within the FSP generating the event.
+ This parameter may be NULL.
+ @param[in] *Data This optional parameter may be used to pass additional data. The contents can have event-specific data.
+ For example, the FSP provides a EFI_STATUS_CODE_STRING_DATA instance to this parameter when sending debug messages.
+ This parameter is NULL when no additional data is provided.
+
+ @retval EFI_SUCCESS The event was handled successfully.
+ @retval EFI_INVALID_PARAMETER Input parameters are invalid.
+ @retval EFI_DEVICE_ERROR The event handler failed.
+*/
+typedef
+EFI_STATUS
+(EFIAPI *FSP_EVENT_HANDLER) (
+ IN EFI_STATUS_CODE_TYPE Type,
+ IN EFI_STATUS_CODE_VALUE Value,
+ IN UINT32 Instance,
+ IN OPTIONAL EFI_GUID *CallerId,
+ IN OPTIONAL EFI_STATUS_CODE_DATA *Data
+ );
+
+/*
+ Handler for FSP-T debug log messages, provided by the bootloader.
+
+ @param[in] DebugMessage A pointer to the debug message to be written to the log.
+ @param[in] MessageLength Number of bytes to written to the debug log.
+
+ @retval UINT32 The return value will be passed back through the EAX register.
+ The return value indicates the number of bytes actually written to
+ the debug log. If the return value is less than MessageLength,
+ an error occurred.
+*/
+typedef
+UINT32
+(EFIAPI *FSP_DEBUG_HANDLER) (
+ IN CHAR8* DebugMessage,
+ IN UINT32 MessageLength
+ );
+
#pragma pack(1)
///
/// FSP_UPD_HEADER Configuration.
@@ -77,7 +133,13 @@ typedef struct {
/// Current boot mode.
///
UINT32 BootMode;
- UINT8 Reserved1[8];
+ ///
+ /// A function pointer of type FSP_EVENT_HANDLER.
+ /// Optional event handler for the bootloader to be informed of events occurring during FSP execution.
+ /// Refer to Section 8.5 for more details. This value is only valid if Revision is >= 2.
+ ///
+ FSP_EVENT_HANDLER *FspEventHandler;
+ UINT8 Reserved1[4];
} FSPM_ARCH_UPD;
///
@@ -147,6 +209,40 @@ typedef struct {
FSP_INIT_PHASE Phase;
} NOTIFY_PHASE_PARAMS;
+///
+/// Action definition for FspMultiPhaseSiInit API
+///
+typedef enum {
+ EnumMultiPhaseGetNumberOfPhases = 0x0,
+ EnumMultiPhaseExecutePhase = 0x1
+} FSP_MULTI_PHASE_ACTION;
+
+///
+/// Data structure returned by FSP when bootloader calling
+/// FspMultiPhaseSiInit API with action 0 (EnumMultiPhaseGetNumberOfPhases)
+///
+typedef struct {
+ UINT32 NumberOfPhases;
+ UINT32 PhasesExecuted;
+} FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS;
+
+///
+/// FspMultiPhaseSiInit function parameter.
+///
+/// For action 0 (EnumMultiPhaseGetNumberOfPhases):
+/// - PhaseIndex must be 0.
+/// - MultiPhaseParamPtr should point to an instance of FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS.
+///
+/// For action 1 (EnumMultiPhaseExecutePhase):
+/// - PhaseIndex will be the phase that will be executed by FSP.
+/// - MultiPhaseParamPtr shall be NULL.
+///
+typedef struct {
+ IN FSP_MULTI_PHASE_ACTION MultiPhaseAction;
+ IN UINT32 PhaseIndex;
+ IN OUT VOID *MultiPhaseParamPtr;
+} FSP_MULTI_PHASE_PARAMS;
+
#pragma pack()
/**
@@ -279,4 +375,28 @@ EFI_STATUS
IN VOID *FspsUpdDataPtr
);
+/**
+ This FSP API is expeted to be called after FspSiliconInit but before FspNotifyPhase.
+ This FSP API provides multi-phase silicon initialization; which brings greater modularity
+ beyond the existing FspSiliconInit() API. Increased modularity is achieved by adding an
+ extra API to FSP-S. This allows the bootloader to add board specific initialization steps
+ throughout the SiliconInit flow as needed.
+
+ @param[in,out] FSP_MULTI_PHASE_PARAMS For action - EnumMultiPhaseGetNumberOfPhases:
+ FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr will contain
+ how many phases supported by FSP.
+ For action - EnumMultiPhaseExecutePhase:
+ FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr shall be NULL.
+ @retval EFI_SUCCESS FSP execution environment was initialized successfully.
+ @retval EFI_INVALID_PARAMETER Input parameters are invalid.
+ @retval EFI_UNSUPPORTED The FSP calling conditions were not met.
+ @retval EFI_DEVICE_ERROR FSP initialization failed.
+ @retval FSP_STATUS_RESET_REQUIREDx A reset is required. These status codes will not be returned during S3.
+**/
+typedef
+EFI_STATUS
+(EFIAPI *FSP_MULTI_PHASE_SI_INIT) (
+ IN FSP_MULTI_PHASE_PARAMS *MultiPhaseSiInitParamPtr
+);
+
#endif
diff --git a/IntelFsp2Pkg/Include/FspGlobalData.h b/IntelFsp2Pkg/Include/FspGlobalData.h
index 1896b0240a..02df8463ed 100644
--- a/IntelFsp2Pkg/Include/FspGlobalData.h
+++ b/IntelFsp2Pkg/Include/FspGlobalData.h
@@ -1,6 +1,6 @@
/** @file
- Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -22,6 +22,7 @@ typedef enum {
FspMemoryInitApiIndex,
TempRamExitApiIndex,
FspSiliconInitApiIndex,
+ FspMultiPhaseSiInitApiIndex,
FspApiIndexMax
} FSP_API_INDEX;
diff --git a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
index 16f43a1273..3474bac1de 100644
--- a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
+++ b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
@@ -1,8 +1,8 @@
/** @file
Intel FSP Header File definition from Intel Firmware Support Package External
- Architecture Specification v2.0.
+ Architecture Specification v2.0 and above.
- Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2014 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -110,6 +110,12 @@ typedef struct {
/// Byte 0x44: The offset for the API to initialize the CPU and chipset.
///
UINT32 FspSiliconInitEntryOffset;
+ ///
+ /// Byte 0x48: Offset for the API for the optional Multi-Phase processor and chipset initialization.
+ /// This value is only valid if FSP HeaderRevision is >= 5.
+ /// If the value is set to 0x00000000, then this API is not available in this component.
+ ///
+ UINT32 FspMultiPhaseSiInitEntryOffset;
} FSP_INFO_HEADER;
///
diff --git a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
index 4d01b5f6d9..51a0309aed 100644
--- a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
+++ b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
@@ -1,6 +1,6 @@
/** @file
- Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
+ Copyright (c) 2015 - 2020, Intel Corporation. All rights reserved.<BR>
SPDX-License-Identifier: BSD-2-Clause-Patent
**/
@@ -79,4 +79,18 @@ FspUpdSignatureCheck (
IN VOID *ApiParam
);
+/**
+ This function handles FspMultiPhaseSiInitApi.
+
+ @param[in] ApiIdx Internal index of the FSP API.
+ @param[in] ApiParam Parameter of the FSP API.
+
+**/
+EFI_STATUS
+EFIAPI
+FspMultiPhaseSiInitApiHandler (
+ IN UINT32 ApiIdx,
+ IN VOID *ApiParam
+ );
+
#endif
--
2.13.3.windows.1
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Hi Chasel,
A few comments:
#1) FspApi.h
The references to the FSP/PI spec sections in the comments are a bit odd. None of the existing comments in FspApi.h make references to sections in specs. Particularly weird are these ones:
* See Section 11.10 Appendix A - Data Structures for the definition of EFI_STATUS_CODE_TYPE.
* See Section 11.10 Appendix A - Data Structures for the definition of EFI_STATUS_CODE_VALUE.
This is code... why not point the reader to PiStatusCode.h directly?
#2) FspApi.h
This seems overly verbose:
@retval UINT32 The return value will be passed back through the EAX register.
The return value indicates the number of bytes actually written to
the debug log. If the return value is less than MessageLength,
an error occurred.
I think it can be shortened to:
@retval UINT32 The return value indicates the number of bytes actually written to
the debug log. If the return value is less than MessageLength,
an error occurred.
#3) Please rename FspSecCoreSS.inf to Fsp22SecCoreS.inf and FspApiEntrySS.nasm to Fsp22ApiEntryS.nasm
#4) Any reason why the entry points for FspSiliconInit() and NotifyPhase() are absent from FspApiEntrySS.nasm/Fsp22ApiEntry.nasm? Are we going to need 2 FspSecCoreS drivers now instead of 1? Not sure how that would work... only 1 SecCore is allowed per FV.
Thanks,
Nate
> -----Original Message-----
> From: Chiu, Chasel <chasel.chiu@intel.com>
> Sent: Thursday, May 7, 2020 6:29 PM
> To: devel@edk2.groups.io
> Cc: Ma, Maurice <maurice.ma@intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desimone@intel.com>; Zeng, Star <star.zeng@intel.com>
> Subject: [edk2-platforms: PATCH v4] IntelFsp2Pkg: Support Multi-Phase SiInit
> and debug handlers.
>
> REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2698
>
> To enhance FSP silicon initialization flexibility an optional Multi-Phase API is
> introduced and FSP header needs update for new API offset. Also new
> SecCore module created for FspMultiPhaseSiInit API
>
> New ARCH_UPD introduced for enhancing FSP debug message flexibility now
> bootloader can pass its own debug handler function pointer and FSP will call
> the function to handle debug message.
>
> Cc: Maurice Ma <maurice.ma@intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
> Cc: Star Zeng <star.zeng@intel.com>
> Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
> ---
> IntelFsp2Pkg/FspSecCore/SecFspApiChk.c | 6 +++---
> IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c | 19
> ++++++++++++++++++-
> IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf | 48
> ++++++++++++++++++++++++++++++++++++++++++++++++
> IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm | 5
> ++++-
> IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm | 68
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> ++++++++++
> IntelFsp2Pkg/Include/FspEas/FspApi.h | 124
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> ++++++--
> IntelFsp2Pkg/Include/FspGlobalData.h | 3 ++-
> IntelFsp2Pkg/Include/Guid/FspHeaderFile.h | 10 ++++++++--
> IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h | 16
> +++++++++++++++-
> 9 files changed, 288 insertions(+), 11 deletions(-)
>
> diff --git a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> index 8e0595fe9a..1334959005 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> +++ b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> @@ -1,6 +1,6 @@
> /** @file
>
> - Copyright (c) 2016 - 2018, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2016 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -59,7 +59,7 @@ FspApiCallingCheck (
> Status = EFI_UNSUPPORTED;
> }
> }
> - } else if (ApiIdx == FspSiliconInitApiIndex) {
> + } else if ((ApiIdx == FspSiliconInitApiIndex) || (ApiIdx ==
> + FspMultiPhaseSiInitApiIndex)) {
> //
> // FspSiliconInit check
> //
> @@ -68,7 +68,7 @@ FspApiCallingCheck (
> } else {
> if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
> Status = EFI_UNSUPPORTED;
> - } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
> + } else if (EFI_ERROR (FspUpdSignatureCheck
> + (FspSiliconInitApiIndex, ApiParam))) {
> Status = EFI_INVALID_PARAMETER;
> }
> }
> diff --git
> a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> index f7945b5240..df8c5d121f 100644
> --- a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> +++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> @@ -1,7 +1,7 @@
> /** @file
> Null instance of Platform Sec Lib.
>
> - Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -25,3 +25,20 @@ FspUpdSignatureCheck ( {
> return EFI_SUCCESS;
> }
> +
> +/**
> + This function handles FspMultiPhaseSiInitApi.
> +
> + @param[in] ApiIdx Internal index of the FSP API.
> + @param[in] ApiParam Parameter of the FSP API.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +FspMultiPhaseSiInitApiHandler (
> + IN UINT32 ApiIdx,
> + IN VOID *ApiParam
> + )
> +{
> + return EFI_SUCCESS;
> +}
> diff --git a/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> new file mode 100644
> index 0000000000..184101c7d3
> --- /dev/null
> +++ b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> @@ -0,0 +1,48 @@
> +## @file
> +# Sec Core for FSP to support MultiPhase (SeparatePhase) SiInitialization.
> +#
> +# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> # #
> +SPDX-License-Identifier: BSD-2-Clause-Patent # ##
> +
> +[Defines]
> + INF_VERSION = 0x00010005
> + BASE_NAME = FspSecCoreSS
> + FILE_GUID = DF0FCD70-264A-40BF-BBD4-06C76DB19CB1
> + MODULE_TYPE = SEC
> + VERSION_STRING = 1.0
> +
> +#
> +# The following information is for reference only and not required by the
> build tools.
> +#
> +# VALID_ARCHITECTURES = IA32
> +#
> +
> +[Sources]
> + SecFspApiChk.c
> + SecFsp.h
> +
> +[Sources.IA32]
> + Ia32/Stack.nasm
> + Ia32/FspApiEntrySS.nasm
> + Ia32/FspApiEntryCommon.nasm
> + Ia32/FspHelper.nasm
> +
> +[Binaries.Ia32]
> + RAW|Vtf0/Bin/ResetVec.ia32.raw |GCC
> +
> +[Packages]
> + MdePkg/MdePkg.dec
> + IntelFsp2Pkg/IntelFsp2Pkg.dec
> +
> +[LibraryClasses]
> + BaseMemoryLib
> + DebugLib
> + BaseLib
> + PciCf8Lib
> + SerialPortLib
> + FspSwitchStackLib
> + FspCommonLib
> + FspSecPlatformLib
> diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> index bb4451b145..26ae7d9fd3 100644
> --- a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> +++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> @@ -1,7 +1,7 @@
> ;; @file
> ; Provide FSP API entry points.
> ;
> -; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> +; Copyright (c) 2016 - 2020, Intel Corporation. All rights
> +reserved.<BR>
> ; SPDX-License-Identifier: BSD-2-Clause-Patent ;;
>
> @@ -62,6 +62,9 @@ FspApiCommon2:
> cmp eax, 3 ; FspMemoryInit API
> jz FspApiCommon3
>
> + cmp eax, 6 ; FspMultiPhaseSiInitApiIndex API
> + jz FspApiCommon3
> +
> call ASM_PFX(AsmGetFspInfoHeader)
> jmp ASM_PFX(Loader2PeiSwitchStack)
>
> diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> new file mode 100644
> index 0000000000..e6956277a9
> --- /dev/null
> +++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> @@ -0,0 +1,68 @@
> +;; @file
> +; Provide FSP API entry points.
> +;
> +; Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> ;
> +SPDX-License-Identifier: BSD-2-Clause-Patent ;;
> +
> + SECTION .text
> +
> +;
> +; Following functions will be provided in C ; extern
> +ASM_PFX(FspApiCommon) extern
> ASM_PFX(FspMultiPhaseSiInitApiHandler)
> +
> +;----------------------------------------------------------------------
> +------
> +; FspMultiPhaseSiInitApi API
> +;
> +; This FSP API provides multi-phase silicon initialization, which
> +brings greater ; modularity beyond the existing FspSiliconInit() API.
> +; Increased modularity is achieved by adding an extra API to FSP-S.
> +; This allows the bootloader to add board specific initialization steps
> +throughout ; the SiliconInit flow as needed.
> +;
> +;----------------------------------------------------------------------
> +------
> +global ASM_PFX(FspMultiPhaseSiInitApi)
> +ASM_PFX(FspMultiPhaseSiInitApi):
> + mov eax, 6 ; FSP_API_INDEX.FspMultiPhaseSiInitApiIndex
> + jmp ASM_PFX(FspApiCommon)
> +
> +;----------------------------------------------------------------------
> +------
> +; FspApiCommonContinue API
> +;
> +; This is the FSP API common entry point to resume the FSP execution ;
> +;----------------------------------------------------------------------
> +------
> +global ASM_PFX(FspApiCommonContinue)
> +ASM_PFX(FspApiCommonContinue):
> + ;
> + ; Handle FspMultiPhaseSiInitApiIndex API
> + ;
> + pushad
> + push DWORD [esp + (4 * 8 + 4)] ; push ApiParam
> + push eax ; push ApiIdx
> + call ASM_PFX(FspMultiPhaseSiInitApiHandler)
> + add esp, 8
> + mov dword [esp + (4 * 7)], eax
> + popad
> + ret
> +
> +;----------------------------------------------------------------------
> +------
> +; TempRamInit API
> +;
> +; Empty function for WHOLEARCHIVE build option ;
> +;----------------------------------------------------------------------
> +------
> +global ASM_PFX(TempRamInitApi)
> +ASM_PFX(TempRamInitApi):
> + jmp $
> + ret
> +
> +;----------------------------------------------------------------------
> +------
> +; Module Entrypoint API
> +;----------------------------------------------------------------------
> +------
> +global ASM_PFX(_ModuleEntryPoint)
> +ASM_PFX(_ModuleEntryPoint):
> + jmp $
> +
> diff --git a/IntelFsp2Pkg/Include/FspEas/FspApi.h
> b/IntelFsp2Pkg/Include/FspEas/FspApi.h
> index dcf489dbe6..ca908b0198 100644
> --- a/IntelFsp2Pkg/Include/FspEas/FspApi.h
> +++ b/IntelFsp2Pkg/Include/FspEas/FspApi.h
> @@ -2,7 +2,7 @@
> Intel FSP API definition from Intel Firmware Support Package External
> Architecture Specification v2.0.
>
> - Copyright (c) 2014 - 2019, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -10,6 +10,8 @@
> #ifndef _FSP_API_H_
> #define _FSP_API_H_
>
> +#include <Pi/PiStatusCode.h>
> +
> ///
> /// FSP Reset Status code
> /// These are defined in FSP EAS v2.0 section 11.2.2 - OEM Status Code @@ -
> 24,6 +26,60 @@
> #define FSP_STATUS_RESET_REQUIRED_8 0x40000008
> /// @}
>
> +/*
> + FSP may optionally include the capability of generating events messages to
> aid in the debugging of firmware issues.
> + These events fall under three catagories: Error, Progress, and Debug.
> +The event reporting mechanism follows the
> + status code services described in section 6 and 7 of the PI Specification v1.7
> Volume 3.
> +
> + @param[in] Type Indicates the type of event being reported.
> + See Section 11.10 Appendix A - Data Structures for the
> definition of EFI_STATUS_CODE_TYPE.
> + @param[in] Value Describes the current status of a hardware or
> software entity.
> + This includes information about the class and subclass that
> is used to classify the entity as well as an operation.
> + For progress events, the operation is the current activity.
> For error events, it is the exception.
> + For debug events, it is not defined at this time.
> + See Section 11.10 Appendix A - Data Structures for the
> definition of EFI_STATUS_CODE_VALUE.
> + @param[in] Instance The enumeration of a hardware or software
> entity within the system.
> + A system may contain multiple entities that match a
> class/subclass pairing. The instance differentiates between them.
> + An instance of 0 indicates that instance information is
> unavailable, not meaningful, or not relevant.
> + Valid instance numbers start with 1.
> + @param[in] *CallerId This parameter can be used to identify the
> sub-module within the FSP generating the event.
> + This parameter may be NULL.
> + @param[in] *Data This optional parameter may be used to pass
> additional data. The contents can have event-specific data.
> + For example, the FSP provides a
> EFI_STATUS_CODE_STRING_DATA instance to this parameter when sending
> debug messages.
> + This parameter is NULL when no additional data is
> provided.
> +
> + @retval EFI_SUCCESS The event was handled successfully.
> + @retval EFI_INVALID_PARAMETER Input parameters are invalid.
> + @retval EFI_DEVICE_ERROR The event handler failed.
> +*/
> +typedef
> +EFI_STATUS
> +(EFIAPI *FSP_EVENT_HANDLER) (
> + IN EFI_STATUS_CODE_TYPE Type,
> + IN EFI_STATUS_CODE_VALUE Value,
> + IN UINT32 Instance,
> + IN OPTIONAL EFI_GUID *CallerId,
> + IN OPTIONAL EFI_STATUS_CODE_DATA *Data
> + );
> +
> +/*
> + Handler for FSP-T debug log messages, provided by the bootloader.
> +
> + @param[in] DebugMessage A pointer to the debug message to be
> written to the log.
> + @param[in] MessageLength Number of bytes to written to the debug
> log.
> +
> + @retval UINT32 The return value will be passed back through the
> EAX register.
> + The return value indicates the number of bytes actually
> written to
> + the debug log. If the return value is less than
> MessageLength,
> + an error occurred.
> +*/
> +typedef
> +UINT32
> +(EFIAPI *FSP_DEBUG_HANDLER) (
> + IN CHAR8* DebugMessage,
> + IN UINT32 MessageLength
> + );
> +
> #pragma pack(1)
> ///
> /// FSP_UPD_HEADER Configuration.
> @@ -77,7 +133,13 @@ typedef struct {
> /// Current boot mode.
> ///
> UINT32 BootMode;
> - UINT8 Reserved1[8];
> + ///
> + /// A function pointer of type FSP_EVENT_HANDLER.
> + /// Optional event handler for the bootloader to be informed of events
> occurring during FSP execution.
> + /// Refer to Section 8.5 for more details. This value is only valid if Revision is
> >= 2.
> + ///
> + FSP_EVENT_HANDLER *FspEventHandler;
> + UINT8 Reserved1[4];
> } FSPM_ARCH_UPD;
>
> ///
> @@ -147,6 +209,40 @@ typedef struct {
> FSP_INIT_PHASE Phase;
> } NOTIFY_PHASE_PARAMS;
>
> +///
> +/// Action definition for FspMultiPhaseSiInit API /// typedef enum {
> + EnumMultiPhaseGetNumberOfPhases = 0x0,
> + EnumMultiPhaseExecutePhase = 0x1
> +} FSP_MULTI_PHASE_ACTION;
> +
> +///
> +/// Data structure returned by FSP when bootloader calling ///
> +FspMultiPhaseSiInit API with action 0
> (EnumMultiPhaseGetNumberOfPhases)
> +/// typedef struct {
> + UINT32 NumberOfPhases;
> + UINT32 PhasesExecuted;
> +} FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS;
> +
> +///
> +/// FspMultiPhaseSiInit function parameter.
> +///
> +/// For action 0 (EnumMultiPhaseGetNumberOfPhases):
> +/// - PhaseIndex must be 0.
> +/// - MultiPhaseParamPtr should point to an instance of
> FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS.
> +///
> +/// For action 1 (EnumMultiPhaseExecutePhase):
> +/// - PhaseIndex will be the phase that will be executed by FSP.
> +/// - MultiPhaseParamPtr shall be NULL.
> +///
> +typedef struct {
> + IN FSP_MULTI_PHASE_ACTION MultiPhaseAction;
> + IN UINT32 PhaseIndex;
> + IN OUT VOID *MultiPhaseParamPtr;
> +} FSP_MULTI_PHASE_PARAMS;
> +
> #pragma pack()
>
> /**
> @@ -279,4 +375,28 @@ EFI_STATUS
> IN VOID *FspsUpdDataPtr
> );
>
> +/**
> + This FSP API is expeted to be called after FspSiliconInit but before
> FspNotifyPhase.
> + This FSP API provides multi-phase silicon initialization; which
> +brings greater modularity
> + beyond the existing FspSiliconInit() API. Increased modularity is
> +achieved by adding an
> + extra API to FSP-S. This allows the bootloader to add board specific
> +initialization steps
> + throughout the SiliconInit flow as needed.
> +
> + @param[in,out] FSP_MULTI_PHASE_PARAMS For action -
> EnumMultiPhaseGetNumberOfPhases:
> + FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr
> will contain
> + how many phases supported by FSP.
> + For action - EnumMultiPhaseExecutePhase:
> + FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr
> shall be NULL.
> + @retval EFI_SUCCESS FSP execution environment was initialized
> successfully.
> + @retval EFI_INVALID_PARAMETER Input parameters are invalid.
> + @retval EFI_UNSUPPORTED The FSP calling conditions were not
> met.
> + @retval EFI_DEVICE_ERROR FSP initialization failed.
> + @retval FSP_STATUS_RESET_REQUIREDx A reset is required. These
> status codes will not be returned during S3.
> +**/
> +typedef
> +EFI_STATUS
> +(EFIAPI *FSP_MULTI_PHASE_SI_INIT) (
> + IN FSP_MULTI_PHASE_PARAMS *MultiPhaseSiInitParamPtr
> +);
> +
> #endif
> diff --git a/IntelFsp2Pkg/Include/FspGlobalData.h
> b/IntelFsp2Pkg/Include/FspGlobalData.h
> index 1896b0240a..02df8463ed 100644
> --- a/IntelFsp2Pkg/Include/FspGlobalData.h
> +++ b/IntelFsp2Pkg/Include/FspGlobalData.h
> @@ -1,6 +1,6 @@
> /** @file
>
> - Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -22,6 +22,7 @@ typedef enum {
> FspMemoryInitApiIndex,
> TempRamExitApiIndex,
> FspSiliconInitApiIndex,
> + FspMultiPhaseSiInitApiIndex,
> FspApiIndexMax
> } FSP_API_INDEX;
>
> diff --git a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> index 16f43a1273..3474bac1de 100644
> --- a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> +++ b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> @@ -1,8 +1,8 @@
> /** @file
> Intel FSP Header File definition from Intel Firmware Support Package
> External
> - Architecture Specification v2.0.
> + Architecture Specification v2.0 and above.
>
> - Copyright (c) 2014 - 2018, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -110,6 +110,12 @@ typedef struct {
> /// Byte 0x44: The offset for the API to initialize the CPU and chipset.
> ///
> UINT32 FspSiliconInitEntryOffset;
> + ///
> + /// Byte 0x48: Offset for the API for the optional Multi-Phase processor
> and chipset initialization.
> + /// This value is only valid if FSP HeaderRevision is >= 5.
> + /// If the value is set to 0x00000000, then this API is not available in
> this component.
> + ///
> + UINT32 FspMultiPhaseSiInitEntryOffset;
> } FSP_INFO_HEADER;
>
> ///
> diff --git a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> index 4d01b5f6d9..51a0309aed 100644
> --- a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> +++ b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> @@ -1,6 +1,6 @@
> /** @file
>
> - Copyright (c) 2015 - 2019, Intel Corporation. All rights reserved.<BR>
> + Copyright (c) 2015 - 2020, Intel Corporation. All rights
> + reserved.<BR>
> SPDX-License-Identifier: BSD-2-Clause-Patent
>
> **/
> @@ -79,4 +79,18 @@ FspUpdSignatureCheck (
> IN VOID *ApiParam
> );
>
> +/**
> + This function handles FspMultiPhaseSiInitApi.
> +
> + @param[in] ApiIdx Internal index of the FSP API.
> + @param[in] ApiParam Parameter of the FSP API.
> +
> +**/
> +EFI_STATUS
> +EFIAPI
> +FspMultiPhaseSiInitApiHandler (
> + IN UINT32 ApiIdx,
> + IN VOID *ApiParam
> + );
> +
> #endif
> --
> 2.13.3.windows.1
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Thanks Nate, and sorry that I misunderstood something in previous patch.
I have sent V5 to address all your feedbacks, please help to review again.
Thanks,
Chasel
> -----Original Message-----
> From: Desimone, Nathaniel L <nathaniel.l.desimone@intel.com>
> Sent: Sunday, May 10, 2020 2:22 PM
> To: Chiu, Chasel <chasel.chiu@intel.com>; devel@edk2.groups.io
> Cc: Ma, Maurice <maurice.ma@intel.com>; Zeng, Star <star.zeng@intel.com>
> Subject: RE: [edk2-platforms: PATCH v4] IntelFsp2Pkg: Support Multi-Phase
> SiInit and debug handlers.
>
> Hi Chasel,
>
> A few comments:
>
> #1) FspApi.h
>
> The references to the FSP/PI spec sections in the comments are a bit odd.
> None of the existing comments in FspApi.h make references to sections in
> specs. Particularly weird are these ones:
>
> * See Section 11.10 Appendix A - Data Structures for the definition of
> EFI_STATUS_CODE_TYPE.
> * See Section 11.10 Appendix A - Data Structures for the definition of
> EFI_STATUS_CODE_VALUE.
>
> This is code... why not point the reader to PiStatusCode.h directly?
>
> #2) FspApi.h
>
> This seems overly verbose:
>
> @retval UINT32 The return value will be passed
> back through the EAX register.
> The return value indicates the
> number of bytes actually written to
> the debug log. If the return value
> is less than MessageLength,
> an error occurred.
>
> I think it can be shortened to:
>
> @retval UINT32 The return value indicates the
> number of bytes actually written to
> the debug log. If the return value
> is less than MessageLength,
> an error occurred.
>
> #3) Please rename FspSecCoreSS.inf to Fsp22SecCoreS.inf and
> FspApiEntrySS.nasm to Fsp22ApiEntryS.nasm
>
> #4) Any reason why the entry points for FspSiliconInit() and NotifyPhase()
> are absent from FspApiEntrySS.nasm/Fsp22ApiEntry.nasm? Are we going to
> need 2 FspSecCoreS drivers now instead of 1? Not sure how that would
> work... only 1 SecCore is allowed per FV.
>
> Thanks,
> Nate
>
> > -----Original Message-----
> > From: Chiu, Chasel <chasel.chiu@intel.com>
> > Sent: Thursday, May 7, 2020 6:29 PM
> > To: devel@edk2.groups.io
> > Cc: Ma, Maurice <maurice.ma@intel.com>; Desimone, Nathaniel L
> > <nathaniel.l.desimone@intel.com>; Zeng, Star <star.zeng@intel.com>
> > Subject: [edk2-platforms: PATCH v4] IntelFsp2Pkg: Support Multi-Phase
> > SiInit and debug handlers.
> >
> > REF: https://bugzilla.tianocore.org/show_bug.cgi?id=2698
> >
> > To enhance FSP silicon initialization flexibility an optional
> > Multi-Phase API is introduced and FSP header needs update for new API
> > offset. Also new SecCore module created for FspMultiPhaseSiInit API
> >
> > New ARCH_UPD introduced for enhancing FSP debug message flexibility
> > now bootloader can pass its own debug handler function pointer and FSP
> > will call the function to handle debug message.
> >
> > Cc: Maurice Ma <maurice.ma@intel.com>
> > Cc: Nate DeSimone <nathaniel.l.desimone@intel.com>
> > Cc: Star Zeng <star.zeng@intel.com>
> > Signed-off-by: Chasel Chiu <chasel.chiu@intel.com>
> > ---
> > IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> | 6 +++---
> > IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c |
> > 19
> > ++++++++++++++++++-
> > IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> | 48
> > ++++++++++++++++++++++++++++++++++++++++++++++++
> > IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> | 5
> > ++++-
> > IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> | 68
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++++++++++
> > IntelFsp2Pkg/Include/FspEas/FspApi.h
> | 124
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
> > ++++++--
> > IntelFsp2Pkg/Include/FspGlobalData.h
> | 3 ++-
> > IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> | 10 ++++++++--
> > IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h |
> 16
> > +++++++++++++++-
> > 9 files changed, 288 insertions(+), 11 deletions(-)
> >
> > diff --git a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> > b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> > index 8e0595fe9a..1334959005 100644
> > --- a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> > +++ b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> > @@ -1,6 +1,6 @@
> > /** @file
> >
> > - Copyright (c) 2016 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2016 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -59,7 +59,7 @@ FspApiCallingCheck (
> > Status = EFI_UNSUPPORTED;
> > }
> > }
> > - } else if (ApiIdx == FspSiliconInitApiIndex) {
> > + } else if ((ApiIdx == FspSiliconInitApiIndex) || (ApiIdx ==
> > + FspMultiPhaseSiInitApiIndex)) {
> > //
> > // FspSiliconInit check
> > //
> > @@ -68,7 +68,7 @@ FspApiCallingCheck (
> > } else {
> > if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) {
> > Status = EFI_UNSUPPORTED;
> > - } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
> > + } else if (EFI_ERROR (FspUpdSignatureCheck
> > + (FspSiliconInitApiIndex, ApiParam))) {
> > Status = EFI_INVALID_PARAMETER;
> > }
> > }
> > diff --git
> > a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> > b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> > index f7945b5240..df8c5d121f 100644
> > ---
> > a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull.c
> > +++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/PlatformSecLibNull
> > +++ .c
> > @@ -1,7 +1,7 @@
> > /** @file
> > Null instance of Platform Sec Lib.
> >
> > - Copyright (c) 2014 - 2019, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -25,3 +25,20 @@ FspUpdSignatureCheck ( {
> > return EFI_SUCCESS;
> > }
> > +
> > +/**
> > + This function handles FspMultiPhaseSiInitApi.
> > +
> > + @param[in] ApiIdx Internal index of the FSP API.
> > + @param[in] ApiParam Parameter of the FSP API.
> > +
> > +**/
> > +EFI_STATUS
> > +EFIAPI
> > +FspMultiPhaseSiInitApiHandler (
> > + IN UINT32 ApiIdx,
> > + IN VOID *ApiParam
> > + )
> > +{
> > + return EFI_SUCCESS;
> > +}
> > diff --git a/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> > b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> > new file mode 100644
> > index 0000000000..184101c7d3
> > --- /dev/null
> > +++ b/IntelFsp2Pkg/FspSecCore/FspSecCoreSS.inf
> > @@ -0,0 +1,48 @@
> > +## @file
> > +# Sec Core for FSP to support MultiPhase (SeparatePhase)
> SiInitialization.
> > +#
> > +# Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> #
> > +#
> > +SPDX-License-Identifier: BSD-2-Clause-Patent # ##
> > +
> > +[Defines]
> > + INF_VERSION = 0x00010005
> > + BASE_NAME = FspSecCoreSS
> > + FILE_GUID =
> DF0FCD70-264A-40BF-BBD4-06C76DB19CB1
> > + MODULE_TYPE = SEC
> > + VERSION_STRING = 1.0
> > +
> > +#
> > +# The following information is for reference only and not required by
> > +the
> > build tools.
> > +#
> > +# VALID_ARCHITECTURES = IA32
> > +#
> > +
> > +[Sources]
> > + SecFspApiChk.c
> > + SecFsp.h
> > +
> > +[Sources.IA32]
> > + Ia32/Stack.nasm
> > + Ia32/FspApiEntrySS.nasm
> > + Ia32/FspApiEntryCommon.nasm
> > + Ia32/FspHelper.nasm
> > +
> > +[Binaries.Ia32]
> > + RAW|Vtf0/Bin/ResetVec.ia32.raw |GCC
> > +
> > +[Packages]
> > + MdePkg/MdePkg.dec
> > + IntelFsp2Pkg/IntelFsp2Pkg.dec
> > +
> > +[LibraryClasses]
> > + BaseMemoryLib
> > + DebugLib
> > + BaseLib
> > + PciCf8Lib
> > + SerialPortLib
> > + FspSwitchStackLib
> > + FspCommonLib
> > + FspSecPlatformLib
> > diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> > b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> > index bb4451b145..26ae7d9fd3 100644
> > --- a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> > +++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntryCommon.nasm
> > @@ -1,7 +1,7 @@
> > ;; @file
> > ; Provide FSP API entry points.
> > ;
> > -; Copyright (c) 2016, Intel Corporation. All rights reserved.<BR>
> > +; Copyright (c) 2016 - 2020, Intel Corporation. All rights
> > +reserved.<BR>
> > ; SPDX-License-Identifier: BSD-2-Clause-Patent ;;
> >
> > @@ -62,6 +62,9 @@ FspApiCommon2:
> > cmp eax, 3 ; FspMemoryInit API
> > jz FspApiCommon3
> >
> > + cmp eax, 6 ; FspMultiPhaseSiInitApiIndex API
> > + jz FspApiCommon3
> > +
> > call ASM_PFX(AsmGetFspInfoHeader)
> > jmp ASM_PFX(Loader2PeiSwitchStack)
> >
> > diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> > b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> > new file mode 100644
> > index 0000000000..e6956277a9
> > --- /dev/null
> > +++ b/IntelFsp2Pkg/FspSecCore/Ia32/FspApiEntrySS.nasm
> > @@ -0,0 +1,68 @@
> > +;; @file
> > +; Provide FSP API entry points.
> > +;
> > +; Copyright (c) 2020, Intel Corporation. All rights reserved.<BR> ;
> > +SPDX-License-Identifier: BSD-2-Clause-Patent ;;
> > +
> > + SECTION .text
> > +
> > +;
> > +; Following functions will be provided in C ; extern
> > +ASM_PFX(FspApiCommon) extern
> > ASM_PFX(FspMultiPhaseSiInitApiHandler)
> > +
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +; FspMultiPhaseSiInitApi API
> > +;
> > +; This FSP API provides multi-phase silicon initialization, which
> > +brings greater ; modularity beyond the existing FspSiliconInit() API.
> > +; Increased modularity is achieved by adding an extra API to FSP-S.
> > +; This allows the bootloader to add board specific initialization
> > +steps throughout ; the SiliconInit flow as needed.
> > +;
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +global ASM_PFX(FspMultiPhaseSiInitApi)
> > +ASM_PFX(FspMultiPhaseSiInitApi):
> > + mov eax, 6 ; FSP_API_INDEX.FspMultiPhaseSiInitApiIndex
> > + jmp ASM_PFX(FspApiCommon)
> > +
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +; FspApiCommonContinue API
> > +;
> > +; This is the FSP API common entry point to resume the FSP execution
> > +;
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +global ASM_PFX(FspApiCommonContinue)
> > +ASM_PFX(FspApiCommonContinue):
> > + ;
> > + ; Handle FspMultiPhaseSiInitApiIndex API
> > + ;
> > + pushad
> > + push DWORD [esp + (4 * 8 + 4)] ; push ApiParam
> > + push eax ; push ApiIdx
> > + call ASM_PFX(FspMultiPhaseSiInitApiHandler)
> > + add esp, 8
> > + mov dword [esp + (4 * 7)], eax
> > + popad
> > + ret
> > +
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +; TempRamInit API
> > +;
> > +; Empty function for WHOLEARCHIVE build option ;
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +global ASM_PFX(TempRamInitApi)
> > +ASM_PFX(TempRamInitApi):
> > + jmp $
> > + ret
> > +
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +; Module Entrypoint API
> > +;--------------------------------------------------------------------
> > +--
> > +------
> > +global ASM_PFX(_ModuleEntryPoint)
> > +ASM_PFX(_ModuleEntryPoint):
> > + jmp $
> > +
> > diff --git a/IntelFsp2Pkg/Include/FspEas/FspApi.h
> > b/IntelFsp2Pkg/Include/FspEas/FspApi.h
> > index dcf489dbe6..ca908b0198 100644
> > --- a/IntelFsp2Pkg/Include/FspEas/FspApi.h
> > +++ b/IntelFsp2Pkg/Include/FspEas/FspApi.h
> > @@ -2,7 +2,7 @@
> > Intel FSP API definition from Intel Firmware Support Package External
> > Architecture Specification v2.0.
> >
> > - Copyright (c) 2014 - 2019, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -10,6 +10,8 @@
> > #ifndef _FSP_API_H_
> > #define _FSP_API_H_
> >
> > +#include <Pi/PiStatusCode.h>
> > +
> > ///
> > /// FSP Reset Status code
> > /// These are defined in FSP EAS v2.0 section 11.2.2 - OEM Status
> > Code @@ -
> > 24,6 +26,60 @@
> > #define FSP_STATUS_RESET_REQUIRED_8 0x40000008
> > /// @}
> >
> > +/*
> > + FSP may optionally include the capability of generating events
> > +messages to
> > aid in the debugging of firmware issues.
> > + These events fall under three catagories: Error, Progress, and Debug.
> > +The event reporting mechanism follows the
> > + status code services described in section 6 and 7 of the PI
> > +Specification v1.7
> > Volume 3.
> > +
> > + @param[in] Type Indicates the type of event
> being reported.
> > + See Section 11.10 Appendix A
> -
> > + Data Structures for the
> > definition of EFI_STATUS_CODE_TYPE.
> > + @param[in] Value Describes the current status of
> a hardware or
> > software entity.
> > + This includes information
> about
> > + the class and subclass that
> > is used to classify the entity as well as an operation.
> > + For progress events, the
> operation is the current activity.
> > For error events, it is the exception.
> > + For debug events, it is not
> defined at this time.
> > + See Section 11.10 Appendix A
> -
> > + Data Structures for the
> > definition of EFI_STATUS_CODE_VALUE.
> > + @param[in] Instance The enumeration of a hardware
> or software
> > entity within the system.
> > + A system may contain multiple
> > + entities that match a
> > class/subclass pairing. The instance differentiates between them.
> > + An instance of 0 indicates that
> > + instance information is
> > unavailable, not meaningful, or not relevant.
> > + Valid instance numbers start
> with 1.
> > + @param[in] *CallerId This parameter can be used to
> identify the
> > sub-module within the FSP generating the event.
> > + This parameter may be NULL.
> > + @param[in] *Data This optional parameter may
> be used to pass
> > additional data. The contents can have event-specific data.
> > + For example, the FSP provides
> a
> > EFI_STATUS_CODE_STRING_DATA instance to this parameter when sending
> > debug messages.
> > + This parameter is NULL when
> no
> > + additional data is
> > provided.
> > +
> > + @retval EFI_SUCCESS The event was handled
> successfully.
> > + @retval EFI_INVALID_PARAMETER Input parameters are invalid.
> > + @retval EFI_DEVICE_ERROR The event handler failed.
> > +*/
> > +typedef
> > +EFI_STATUS
> > +(EFIAPI *FSP_EVENT_HANDLER) (
> > + IN EFI_STATUS_CODE_TYPE Type,
> > + IN EFI_STATUS_CODE_VALUE Value,
> > + IN UINT32 Instance,
> > + IN OPTIONAL EFI_GUID *CallerId,
> > + IN OPTIONAL EFI_STATUS_CODE_DATA *Data
> > + );
> > +
> > +/*
> > + Handler for FSP-T debug log messages, provided by the bootloader.
> > +
> > + @param[in] DebugMessage A pointer to the debug
> message to be
> > written to the log.
> > + @param[in] MessageLength Number of bytes to written to
> the debug
> > log.
> > +
> > + @retval UINT32 The return value will be passed
> back through the
> > EAX register.
> > + The return value indicates the
> > + number of bytes actually
> > written to
> > + the debug log. If the return
> > + value is less than
> > MessageLength,
> > + an error occurred.
> > +*/
> > +typedef
> > +UINT32
> > +(EFIAPI *FSP_DEBUG_HANDLER) (
> > + IN CHAR8* DebugMessage,
> > + IN UINT32 MessageLength
> > + );
> > +
> > #pragma pack(1)
> > ///
> > /// FSP_UPD_HEADER Configuration.
> > @@ -77,7 +133,13 @@ typedef struct {
> > /// Current boot mode.
> > ///
> > UINT32 BootMode;
> > - UINT8 Reserved1[8];
> > + ///
> > + /// A function pointer of type FSP_EVENT_HANDLER.
> > + /// Optional event handler for the bootloader to be informed of
> > + events
> > occurring during FSP execution.
> > + /// Refer to Section 8.5 for more details. This value is only valid
> > + if Revision is
> > >= 2.
> > + ///
> > + FSP_EVENT_HANDLER *FspEventHandler;
> > + UINT8 Reserved1[4];
> > } FSPM_ARCH_UPD;
> >
> > ///
> > @@ -147,6 +209,40 @@ typedef struct {
> > FSP_INIT_PHASE Phase;
> > } NOTIFY_PHASE_PARAMS;
> >
> > +///
> > +/// Action definition for FspMultiPhaseSiInit API /// typedef enum {
> > + EnumMultiPhaseGetNumberOfPhases = 0x0,
> > + EnumMultiPhaseExecutePhase = 0x1
> > +} FSP_MULTI_PHASE_ACTION;
> > +
> > +///
> > +/// Data structure returned by FSP when bootloader calling ///
> > +FspMultiPhaseSiInit API with action 0
> > (EnumMultiPhaseGetNumberOfPhases)
> > +/// typedef struct {
> > + UINT32 NumberOfPhases;
> > + UINT32 PhasesExecuted;
> > +} FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS;
> > +
> > +///
> > +/// FspMultiPhaseSiInit function parameter.
> > +///
> > +/// For action 0 (EnumMultiPhaseGetNumberOfPhases):
> > +/// - PhaseIndex must be 0.
> > +/// - MultiPhaseParamPtr should point to an instance of
> > FSP_MULTI_PHASE_GET_NUMBER_OF_PHASES_PARAMS.
> > +///
> > +/// For action 1 (EnumMultiPhaseExecutePhase):
> > +/// - PhaseIndex will be the phase that will be executed by FSP.
> > +/// - MultiPhaseParamPtr shall be NULL.
> > +///
> > +typedef struct {
> > + IN FSP_MULTI_PHASE_ACTION MultiPhaseAction;
> > + IN UINT32 PhaseIndex;
> > + IN OUT VOID *MultiPhaseParamPtr;
> > +} FSP_MULTI_PHASE_PARAMS;
> > +
> > #pragma pack()
> >
> > /**
> > @@ -279,4 +375,28 @@ EFI_STATUS
> > IN VOID *FspsUpdDataPtr
> > );
> >
> > +/**
> > + This FSP API is expeted to be called after FspSiliconInit but
> > +before
> > FspNotifyPhase.
> > + This FSP API provides multi-phase silicon initialization; which
> > +brings greater modularity
> > + beyond the existing FspSiliconInit() API. Increased modularity is
> > +achieved by adding an
> > + extra API to FSP-S. This allows the bootloader to add board
> > +specific initialization steps
> > + throughout the SiliconInit flow as needed.
> > +
> > + @param[in,out] FSP_MULTI_PHASE_PARAMS For action -
> > EnumMultiPhaseGetNumberOfPhases:
> > +
> > + FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr
> > will contain
> > + how many phases
> supported by FSP.
> > + For action -
> EnumMultiPhaseExecutePhase:
> > +
> > + FSP_MULTI_PHASE_PARAMS->MultiPhaseParamPtr
> > shall be NULL.
> > + @retval EFI_SUCCESS FSP execution
> environment was initialized
> > successfully.
> > + @retval EFI_INVALID_PARAMETER Input parameters are
> invalid.
> > + @retval EFI_UNSUPPORTED The FSP calling
> conditions were not
> > met.
> > + @retval EFI_DEVICE_ERROR FSP initialization failed.
> > + @retval FSP_STATUS_RESET_REQUIREDx A reset is required.
> These
> > status codes will not be returned during S3.
> > +**/
> > +typedef
> > +EFI_STATUS
> > +(EFIAPI *FSP_MULTI_PHASE_SI_INIT) (
> > + IN FSP_MULTI_PHASE_PARAMS *MultiPhaseSiInitParamPtr
> > +);
> > +
> > #endif
> > diff --git a/IntelFsp2Pkg/Include/FspGlobalData.h
> > b/IntelFsp2Pkg/Include/FspGlobalData.h
> > index 1896b0240a..02df8463ed 100644
> > --- a/IntelFsp2Pkg/Include/FspGlobalData.h
> > +++ b/IntelFsp2Pkg/Include/FspGlobalData.h
> > @@ -1,6 +1,6 @@
> > /** @file
> >
> > - Copyright (c) 2014 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -22,6 +22,7 @@ typedef enum {
> > FspMemoryInitApiIndex,
> > TempRamExitApiIndex,
> > FspSiliconInitApiIndex,
> > + FspMultiPhaseSiInitApiIndex,
> > FspApiIndexMax
> > } FSP_API_INDEX;
> >
> > diff --git a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> > b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> > index 16f43a1273..3474bac1de 100644
> > --- a/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> > +++ b/IntelFsp2Pkg/Include/Guid/FspHeaderFile.h
> > @@ -1,8 +1,8 @@
> > /** @file
> > Intel FSP Header File definition from Intel Firmware Support
> > Package External
> > - Architecture Specification v2.0.
> > + Architecture Specification v2.0 and above.
> >
> > - Copyright (c) 2014 - 2018, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2014 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -110,6 +110,12 @@ typedef struct {
> > /// Byte 0x44: The offset for the API to initialize the CPU and chipset.
> > ///
> > UINT32 FspSiliconInitEntryOffset;
> > + ///
> > + /// Byte 0x48: Offset for the API for the optional Multi-Phase
> > + processor
> > and chipset initialization.
> > + /// This value is only valid if FSP HeaderRevision is >= 5.
> > + /// If the value is set to 0x00000000, then this API is not
> available in
> > this component.
> > + ///
> > + UINT32 FspMultiPhaseSiInitEntryOffset;
> > } FSP_INFO_HEADER;
> >
> > ///
> > diff --git a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> > b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> > index 4d01b5f6d9..51a0309aed 100644
> > --- a/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> > +++ b/IntelFsp2Pkg/Include/Library/FspSecPlatformLib.h
> > @@ -1,6 +1,6 @@
> > /** @file
> >
> > - Copyright (c) 2015 - 2019, Intel Corporation. All rights
> > reserved.<BR>
> > + Copyright (c) 2015 - 2020, Intel Corporation. All rights
> > + reserved.<BR>
> > SPDX-License-Identifier: BSD-2-Clause-Patent
> >
> > **/
> > @@ -79,4 +79,18 @@ FspUpdSignatureCheck (
> > IN VOID *ApiParam
> > );
> >
> > +/**
> > + This function handles FspMultiPhaseSiInitApi.
> > +
> > + @param[in] ApiIdx Internal index of the FSP API.
> > + @param[in] ApiParam Parameter of the FSP API.
> > +
> > +**/
> > +EFI_STATUS
> > +EFIAPI
> > +FspMultiPhaseSiInitApiHandler (
> > + IN UINT32 ApiIdx,
> > + IN VOID *ApiParam
> > + );
> > +
> > #endif
> > --
> > 2.13.3.windows.1
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