In the next patch we're going to put EFI_PEI_MP_SERVICES_PPI to use. CpuMpPei uses the following PCDs from gUefiCpuPkgTokenSpaceGuid, beyond those already used by CpuDxe:
- PcdCpuMicrocodePatchAddress and PcdCpuMicrocodePatchRegionSize: these control whether CpuMpPei performs microcode update. If the region size is zero, then the microcode update is skipped. UefiCpuPkg.dec sets the region size to zero by default, which is appropriate for OVMF. - PcdCpuApLoopMode and PcdCpuApTargetCstate: the former controls how CpuMpPei puts the APs to sleep: 1 -- HLT, 2 -- MWAIT, 3 -- busy wait (with PAUSE). The latter PCD is only relevant if the former PCD is 2 (MWAIT). In order to be consistent with SeaBIOS and with CpuDxe itself, we choose HLT. That's the default set by UefiCpuPkg.dec. Furthermore, although CpuMpPei could consume SecPeiCpuExceptionHandlerLib technically, it is supposed to consume PeiCpuExceptionHandlerLib. See: - http://thread.gmane.org/gmane.comp.bios.edk2.devel/12703 - git commit a81abf161666 ("UefiCpuPkg/ExceptionLib: Import PeiCpuExceptionHandlerLib module"), part of the series linked above. Jeff recommended to resolve CpuExceptionHandlerLib to PeiCpuExceptionHandlerLib for all PEIMs: - http://thread.gmane.org/gmane.comp.bios.edk2.devel/14471/focus=14477 Since at the moment we have no resolution in place that would cover this for PEIMs (from either [LibraryClasses] or [LibraryClasses.common.PEIM]), it's easy to do. Cc: Jeff Fan <[email protected]> Cc: Jordan Justen <[email protected]> Cc: Michael Kinney <[email protected]> Contributed-under: TianoCore Contribution Agreement 1.0 Signed-off-by: Laszlo Ersek <[email protected]> --- Notes: v3: - resolve CpuExceptionHandlerLib to PeiCpuExceptionHandlerLib for all PEIMs [Jeff] - drop Jeff's R-b from earlier OvmfPkg/OvmfPkgIa32.dsc | 5 +++++ OvmfPkg/OvmfPkgIa32X64.dsc | 5 +++++ OvmfPkg/OvmfPkgX64.dsc | 5 +++++ OvmfPkg/OvmfPkgIa32.fdf | 1 + OvmfPkg/OvmfPkgIa32X64.fdf | 1 + OvmfPkg/OvmfPkgX64.fdf | 1 + 6 files changed, 18 insertions(+) diff --git a/OvmfPkg/OvmfPkgIa32.dsc b/OvmfPkg/OvmfPkgIa32.dsc index 805650059e96..8af326778205 100644 --- a/OvmfPkg/OvmfPkgIa32.dsc +++ b/OvmfPkg/OvmfPkgIa32.dsc @@ -212,6 +212,7 @@ [LibraryClasses.common.PEIM] !ifdef $(SOURCE_DEBUG_ENABLE) DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf !endif + CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf [LibraryClasses.common.DXE_CORE] HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf @@ -519,6 +520,10 @@ [Components] PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf } !endif + UefiCpuPkg/CpuMpPei/CpuMpPei.inf { + <LibraryClasses> + PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf + } # # DXE Phase modules diff --git a/OvmfPkg/OvmfPkgIa32X64.dsc b/OvmfPkg/OvmfPkgIa32X64.dsc index 7615ee96dff2..4bb38d0f7b3c 100644 --- a/OvmfPkg/OvmfPkgIa32X64.dsc +++ b/OvmfPkg/OvmfPkgIa32X64.dsc @@ -217,6 +217,7 @@ [LibraryClasses.common.PEIM] !ifdef $(SOURCE_DEBUG_ENABLE) DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf !endif + CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf [LibraryClasses.common.DXE_CORE] HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf @@ -527,6 +528,10 @@ [Components.IA32] PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf } !endif + UefiCpuPkg/CpuMpPei/CpuMpPei.inf { + <LibraryClasses> + PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf + } [Components.X64] # diff --git a/OvmfPkg/OvmfPkgX64.dsc b/OvmfPkg/OvmfPkgX64.dsc index 7f8a5c25a5c0..be3aa1fc6c43 100644 --- a/OvmfPkg/OvmfPkgX64.dsc +++ b/OvmfPkg/OvmfPkgX64.dsc @@ -217,6 +217,7 @@ [LibraryClasses.common.PEIM] !ifdef $(SOURCE_DEBUG_ENABLE) DebugAgentLib|SourceLevelDebugPkg/Library/DebugAgent/SecPeiDebugAgentLib.inf !endif + CpuExceptionHandlerLib|UefiCpuPkg/Library/CpuExceptionHandlerLib/PeiCpuExceptionHandlerLib.inf [LibraryClasses.common.DXE_CORE] HobLib|MdePkg/Library/DxeCoreHobLib/DxeCoreHobLib.inf @@ -526,6 +527,10 @@ [Components] PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf } !endif + UefiCpuPkg/CpuMpPei/CpuMpPei.inf { + <LibraryClasses> + PcdLib|MdePkg/Library/PeiPcdLib/PeiPcdLib.inf + } # # DXE Phase modules diff --git a/OvmfPkg/OvmfPkgIa32.fdf b/OvmfPkg/OvmfPkgIa32.fdf index ccc3e1461d55..136973443755 100644 --- a/OvmfPkg/OvmfPkgIa32.fdf +++ b/OvmfPkg/OvmfPkgIa32.fdf @@ -161,6 +161,7 @@ [FV.PEIFV] !if $(SMM_REQUIRE) == TRUE INF OvmfPkg/SmmAccess/SmmAccessPei.inf !endif +INF UefiCpuPkg/CpuMpPei/CpuMpPei.inf ################################################################################ diff --git a/OvmfPkg/OvmfPkgIa32X64.fdf b/OvmfPkg/OvmfPkgIa32X64.fdf index 3e368b42999f..34f8938adf82 100644 --- a/OvmfPkg/OvmfPkgIa32X64.fdf +++ b/OvmfPkg/OvmfPkgIa32X64.fdf @@ -161,6 +161,7 @@ [FV.PEIFV] !if $(SMM_REQUIRE) == TRUE INF OvmfPkg/SmmAccess/SmmAccessPei.inf !endif +INF UefiCpuPkg/CpuMpPei/CpuMpPei.inf ################################################################################ diff --git a/OvmfPkg/OvmfPkgX64.fdf b/OvmfPkg/OvmfPkgX64.fdf index f31afdb67359..630c2959ffbc 100644 --- a/OvmfPkg/OvmfPkgX64.fdf +++ b/OvmfPkg/OvmfPkgX64.fdf @@ -161,6 +161,7 @@ [FV.PEIFV] !if $(SMM_REQUIRE) == TRUE INF OvmfPkg/SmmAccess/SmmAccessPei.inf !endif +INF UefiCpuPkg/CpuMpPei/CpuMpPei.inf ################################################################################ -- 1.8.3.1 _______________________________________________ edk2-devel mailing list [email protected] https://lists.01.org/mailman/listinfo/edk2-devel
