SmmCpuFeaturesCompleteSmmReadyToLock() is a hook point to allow CPU specific code to do more registers setting after the gEfiSmmReadyToLockProtocolGuid notification is completely processed.
SmmCpuFeaturesAllocatePageTableMemory() is an API to allow CPU to allocate a specific region for storing page tables. Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: "Yao, Jiewen" <jiewen....@intel.com> Cc: "Fan, Jeff" <jeff....@intel.com> Cc: "Kinney, Michael D" <michael.d.kin...@intel.com> --- UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h | 33 ++++++++++++++++++++++++++ 1 file changed, 33 insertions(+) diff --git a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h index d1c7a8a..dba78f0 100644 --- a/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h +++ b/UefiCpuPkg/Include/Library/SmmCpuFeaturesLib.h @@ -363,4 +363,37 @@ SmmCpuFeaturesWriteSaveStateRegister ( IN CONST VOID *Buffer ); +/** + This function is hook point called after the gEfiSmmReadyToLockProtocolGuid + notification is completely processed. +**/ +VOID +EFIAPI +SmmCpuFeaturesCompleteSmmReadyToLock ( + VOID + ); + +/** + This API provides a method for a CPU to allocate a specific region for storing page tables. + + Allocates the number of 4KB pages of type EfiRuntimeServicesData and returns a pointer to the + allocated buffer. The buffer returned is aligned on a 4KB boundary. If Pages is 0, then NULL + is returned. If there is not enough memory remaining to satisfy the request, then NULL is + returned. + + This function can also return NULL if there is no preference on where the page tables are allocated in SMRAM. + + @param Pages The number of 4 KB pages to allocate. + + @return A pointer to the allocated buffer for page tables. + @retval NULL Fail to allocate a specific region for storing page tables, + Or there is no preference on where the page tables are allocated in SMRAM. + +**/ +VOID * +EFIAPI +SmmCpuFeaturesAllocatePageTableMemory ( + IN UINTN Pages + ); + #endif -- 1.9.5.msysgit.0 _______________________________________________ edk2-devel mailing list edk2-devel@lists.01.org https://lists.01.org/mailman/listinfo/edk2-devel
