[edk2-devel][PATCH v2 1/8] IntelFsp2Pkg: X64 compatible changes to support PEI in 64bit

Chiu, Chasel chasel.chiu at intel.com
Wed Apr 6 14:54:02 UTC 2022


Hi Ted,

Please see my comments inline below.

Thanks,
Chasel




> -----Original Message-----
> From: Kuo, Ted <ted.kuo at intel.com>
> Sent: Monday, April 4, 2022 2:23 PM
> To: devel at edk2.groups.io
> Cc: Chiu, Chasel <chasel.chiu at intel.com>; Desimone, Nathaniel L
> <nathaniel.l.desimone at intel.com>; Zeng, Star <star.zeng at intel.com>; S,
> Ashraf Ali <ashraf.ali.s at intel.com>
> Subject: [edk2-devel][PATCH v2 1/8] IntelFsp2Pkg: X64 compatible changes
> to support PEI in 64bit
> 
> REF:https://bugzilla.tianocore.org/show_bug.cgi?id=3893
> 1.Added EFIAPI to FspNotifyPhasePeimEntryPoint.
> 2.Changed AsmReadEsp to AsmReadStackPointer.
> 3.Changed the type of the return value of AsmReadStackPointer
>   from UINT32 to UINTN.
> 4.Changed the type of TemporaryMemoryBase, PermenentMemoryBase
>   and BootLoaderStack from UINT32 to UINTN.
> 5.Some type casting to pointers are UINT32. Changed them to
>   UINTN to accommodate both IA32 and X64.
> 6.Corrected some typos.
> 
> Cc: Chasel Chiu <chasel.chiu at intel.com>
> Cc: Nate DeSimone <nathaniel.l.desimone at intel.com>
> Cc: Star Zeng <star.zeng at intel.com>
> Cc: Ashraf Ali S <ashraf.ali.s at intel.com>
> Signed-off-by: Ted Kuo <ted.kuo at intel.com>
> ---
>  IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c               |  1 +
>  IntelFsp2Pkg/FspSecCore/Ia32/ReadEsp.nasm                      |  8 ++++----
>  IntelFsp2Pkg/FspSecCore/Ia32/Stack.nasm                        | 10 +++++-----
>  IntelFsp2Pkg/FspSecCore/SecFsp.c                               |  8 ++++----
>  IntelFsp2Pkg/FspSecCore/SecFsp.h                               |  2 +-
>  IntelFsp2Pkg/FspSecCore/SecFspApiChk.c                         |  8 ++++----
>  IntelFsp2Pkg/FspSecCore/SecMain.c                              |  8 ++++----
>  IntelFsp2Pkg/FspSecCore/SecMain.h                              | 10 +++++-----
>  IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.nasm |  2 +-
>  9 files changed, 29 insertions(+), 28 deletions(-)
> 
> diff --git a/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c
> b/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c
> index 88f5540fef..66d39cc70c 100644
> --- a/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c
> +++ b/IntelFsp2Pkg/FspNotifyPhase/FspNotifyPhasePeim.c
> @@ -112,6 +112,7 @@ WaitForNotify (
>    @retval     EFI_OUT_OF_RESOURCES Insufficient resources to create
> database
>  **/
>  EFI_STATUS
> +EFIAPI
>  FspNotifyPhasePeimEntryPoint (
>    IN       EFI_PEI_FILE_HANDLE  FileHandle,
>    IN CONST EFI_PEI_SERVICES     **PeiServices
> diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/ReadEsp.nasm
> b/IntelFsp2Pkg/FspSecCore/Ia32/ReadEsp.nasm
> index 8046b43745..d40dad5a52 100644
> --- a/IntelFsp2Pkg/FspSecCore/Ia32/ReadEsp.nasm
> +++ b/IntelFsp2Pkg/FspSecCore/Ia32/ReadEsp.nasm
> @@ -9,14 +9,14 @@
>      SECTION .text
> 
>  ;------------------------------------------------------------------------------
> -; UINT32
> +; UINTN
>  ; EFIAPI
> -; AsmReadEsp (
> +; AsmReadStackPointer (
>  ;   VOID
>  ;   );
>  ;------------------------------------------------------------------------------
> -global ASM_PFX(AsmReadEsp)
> -ASM_PFX(AsmReadEsp):
> +global ASM_PFX(AsmReadStackPointer)
> +ASM_PFX(AsmReadStackPointer):
>      mov     eax, esp
>      ret
> 
> diff --git a/IntelFsp2Pkg/FspSecCore/Ia32/Stack.nasm
> b/IntelFsp2Pkg/FspSecCore/Ia32/Stack.nasm
> index 5a7e27c240..ce20639890 100644
> --- a/IntelFsp2Pkg/FspSecCore/Ia32/Stack.nasm
> +++ b/IntelFsp2Pkg/FspSecCore/Ia32/Stack.nasm
> @@ -9,20 +9,20 @@
>  ;
>  ;------------------------------------------------------------------------------
> 
> -SECTION .text
> +    SECTION .text
> 
>  ;------------------------------------------------------------------------------
>  ; VOID
>  ; EFIAPI
>  ; SecSwitchStack (
>  ;   UINT32   TemporaryMemoryBase,
> -;   UINT32   PermenentMemoryBase
> +;   UINT32   PermanentMemoryBase
>  ;   );
>  ;------------------------------------------------------------------------------
>  global ASM_PFX(SecSwitchStack)
>  ASM_PFX(SecSwitchStack):
>      ;
> -    ; Save three register: eax, ebx, ecx
> +    ; Save four register: eax, ebx, ecx, edx
>      ;
>      push  eax
>      push  ebx
> @@ -55,7 +55,7 @@ ASM_PFX(SecSwitchStack):
>      mov   dword [eax + 12], edx
>      mov   edx, dword [esp + 16]    ; Update this function's return address
> into permanent memory
>      mov   dword [eax + 16], edx
> -    mov   esp, eax                     ; From now, esp is pointed to permanent
> memory
> +    mov   esp, eax                 ; From now, esp is pointed to permanent
> memory
> 
>      ;
>      ; Fixup the ebp point to permanent memory @@ -63,7 +63,7 @@
> ASM_PFX(SecSwitchStack):
>      mov   eax, ebp
>      sub   eax, ebx
>      add   eax, ecx
> -    mov   ebp, eax                ; From now, ebp is pointed to permanent
> memory
> +    mov   ebp, eax                 ; From now, ebp is pointed to permanent
> memory
> 
>      pop   edx
>      pop   ecx
> diff --git a/IntelFsp2Pkg/FspSecCore/SecFsp.c
> b/IntelFsp2Pkg/FspSecCore/SecFsp.c
> index 68e588dd41..85fbc7664c 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecFsp.c
> +++ b/IntelFsp2Pkg/FspSecCore/SecFsp.c
> @@ -26,7 +26,7 @@ FspGetExceptionHandler (
>    IA32_IDT_GATE_DESCRIPTOR  *IdtGateDescriptor;
>    FSP_INFO_HEADER           *FspInfoHeader;
> 
> -  FspInfoHeader                      = (FSP_INFO_HEADER *)AsmGetFspInfoHeader
> ();
> +  FspInfoHeader                      = (FSP_INFO_HEADER
> *)(UINTN)AsmGetFspInfoHeader ();
>    ExceptionHandler                   = IdtEntryTemplate;
>    IdtGateDescriptor                  = (IA32_IDT_GATE_DESCRIPTOR
> *)&ExceptionHandler;
>    Entry                              = (IdtGateDescriptor->Bits.OffsetHigh << 16) |
> IdtGateDescriptor->Bits.OffsetLow;
> @@ -115,7 +115,7 @@ SecGetPlatformData (  VOID  FspGlobalDataInit (
>    IN OUT  FSP_GLOBAL_DATA  *PeiFspData,
> -  IN UINT32                BootLoaderStack,
> +  IN UINTN                 BootLoaderStack,
>    IN UINT8                 ApiIdx
>    )
>  {
> @@ -141,7 +141,7 @@ FspGlobalDataInit (
>    // Get FSP Header offset
>    // It may have multiple FVs, so look into the last one for FSP header
>    //
> -  PeiFspData->FspInfoHeader = (FSP_INFO_HEADER
> *)AsmGetFspInfoHeader ();
> +  PeiFspData->FspInfoHeader = (FSP_INFO_HEADER
> + *)(UINTN)AsmGetFspInfoHeader ();
>    SecGetPlatformData (PeiFspData);
> 
>    //
> @@ -154,7 +154,7 @@ FspGlobalDataInit (
>    //
>    FspmUpdDataPtr = (VOID *)GetFspApiParameter ();
>    if (FspmUpdDataPtr == NULL) {
> -    FspmUpdDataPtr = (VOID *)(PeiFspData->FspInfoHeader->ImageBase +
> PeiFspData->FspInfoHeader->CfgRegionOffset);
> +    FspmUpdDataPtr = (VOID
> + *)(UINTN)(PeiFspData->FspInfoHeader->ImageBase +
> + PeiFspData->FspInfoHeader->CfgRegionOffset);
>    }
> 
>    SetFspUpdDataPointer (FspmUpdDataPtr); diff --git
> a/IntelFsp2Pkg/FspSecCore/SecFsp.h b/IntelFsp2Pkg/FspSecCore/SecFsp.h
> index 7c9be85fe0..7fb31c3f87 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecFsp.h
> +++ b/IntelFsp2Pkg/FspSecCore/SecFsp.h
> @@ -48,7 +48,7 @@ FspGetExceptionHandler (  VOID  FspGlobalDataInit (
>    IN OUT  FSP_GLOBAL_DATA  *PeiFspData,
> -  IN UINT32                BootLoaderStack,
> +  IN UINTN                 BootLoaderStack,
>    IN UINT8                 ApiIdx
>    );
> 
> diff --git a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> index 7d6ef11fe7..c57247bfaf 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> +++ b/IntelFsp2Pkg/FspSecCore/SecFspApiChk.c
> @@ -31,7 +31,7 @@ FspApiCallingCheck (
>      //
>      // NotifyPhase check
>      //
> -    if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
> +    if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS)) {
>        Status = EFI_UNSUPPORTED;
>      } else {
>        if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) { @@ -42,7
> +42,7 @@ FspApiCallingCheck (
>      //
>      // FspMemoryInit check
>      //
> -    if ((UINT32)FspData != 0xFFFFFFFF) {
> +    if ((UINTN)FspData != 0xFFFFFFFF) {



Compare with MAX_ADDRESS instead of 0xFFFFFFFF



>        Status = EFI_UNSUPPORTED;
>      } else if (EFI_ERROR (FspUpdSignatureCheck (ApiIdx, ApiParam))) {
>        Status = EFI_INVALID_PARAMETER;
> @@ -51,7 +51,7 @@ FspApiCallingCheck (
>      //
>      // TempRamExit check
>      //
> -    if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
> +    if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS)) {
>        Status = EFI_UNSUPPORTED;
>      } else {
>        if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) { @@ -62,7
> +62,7 @@ FspApiCallingCheck (
>      //
>      // FspSiliconInit check
>      //
> -    if ((FspData == NULL) || ((UINT32)FspData == 0xFFFFFFFF)) {
> +    if ((FspData == NULL) || ((UINTN)FspData == MAX_ADDRESS)) {
>        Status = EFI_UNSUPPORTED;
>      } else {
>        if (FspData->Signature != FSP_GLOBAL_DATA_SIGNATURE) { diff --git
> a/IntelFsp2Pkg/FspSecCore/SecMain.c
> b/IntelFsp2Pkg/FspSecCore/SecMain.c
> index d376fb8361..9e9332ffcd 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecMain.c
> +++ b/IntelFsp2Pkg/FspSecCore/SecMain.c
> @@ -54,7 +54,7 @@ SecStartup (
>    IN UINT32          TempRamBase,
>    IN VOID            *BootFirmwareVolume,
>    IN PEI_CORE_ENTRY  PeiCore,
> -  IN UINT32          BootLoaderStack,
> +  IN UINTN           BootLoaderStack,
>    IN UINT32          ApiIdx
>    )
>  {
> @@ -233,7 +233,7 @@ SecTemporaryRamSupport (
>    GetFspGlobalDataPointer ()->OnSeparateStack = 1;
> 
>    if (PcdGet8 (PcdFspHeapSizePercentage) == 0) {
> -    CurrentStack = AsmReadEsp ();
> +    CurrentStack = AsmReadStackPointer ();
>      FspStackBase = (UINTN)GetFspEntryStack ();
> 
>      StackSize = FspStackBase - CurrentStack; @@ -292,8 +292,8 @@
> SecTemporaryRamSupport (
>    // permanent memory.
>    //
>    SecSwitchStack (
> -    (UINT32)(UINTN)OldStack,
> -    (UINT32)(UINTN)NewStack
> +    (UINTN)OldStack,
> +    (UINTN)NewStack
>      );
> 
>    return EFI_SUCCESS;
> diff --git a/IntelFsp2Pkg/FspSecCore/SecMain.h
> b/IntelFsp2Pkg/FspSecCore/SecMain.h
> index 7794255af1..3c60b15f01 100644
> --- a/IntelFsp2Pkg/FspSecCore/SecMain.h
> +++ b/IntelFsp2Pkg/FspSecCore/SecMain.h
> @@ -51,8 +51,8 @@ typedef struct _SEC_IDT_TABLE {  VOID  EFIAPI
> SecSwitchStack (
> -  IN UINT32  TemporaryMemoryBase,
> -  IN UINT32  PermenentMemoryBase
> +  IN UINTN  TemporaryMemoryBase,
> +  IN UINTN  PermenentMemoryBase
>    );
> 
>  /**
> @@ -104,7 +104,7 @@ SecStartup (
>    IN UINT32          TempRamBase,
>    IN VOID            *BootFirmwareVolume,
>    IN PEI_CORE_ENTRY  PeiCore,
> -  IN UINT32          BootLoaderStack,
> +  IN UINTN           BootLoaderStack,
>    IN UINT32          ApiIdx
>    );
> 
> @@ -127,9 +127,9 @@ ProcessLibraryConstructorList (
>    @return  value of esp.
> 
>  **/
> -UINT32
> +UINTN
>  EFIAPI
> -AsmReadEsp (
> +AsmReadStackPointer (
>    VOID
>    );
> 
> diff --git
> a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.nasm
> b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.nasm
> index aef7f96d1d..7be570c4e5 100644
> --- a/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.nasm
> +++ b/IntelFsp2Pkg/Library/SecFspSecPlatformLibNull/Ia32/Flat32.nasm
> @@ -16,7 +16,7 @@ SECTION .text
> 
>  %macro RET_ESI  0
> 
> -  movd    esi, mm7                      ; restore ESP from MM7
> +  movd    esi, mm7                      ; restore EIP from MM7
>    jmp     esi
> 
>  %endmacro
> --
> 2.16.2.windows.1



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