Reviewed-by: Liming Gao <[email protected]> > -----Original Message----- > From: [email protected] <[email protected]> On Behalf Of Chen A Chen > Sent: Tuesday, December 3, 2019 3:57 PM > To: [email protected] > Subject: [edk2-devel] [[edk2-platform][PATCH v2]] Platform/FitGen: Add FitGen > feature to support uCode Capsule Update > > Add slot mode handling with a header array. > BZ: https://bugzilla.tianocore.org/show_bug.cgi?id=2321 > > Signed-off-by: Chen A Chen <[email protected]> > --- > Silicon/Intel/Tools/FitGen/FitGen.c | 79 > ++++++++++++++++++++++++++++++++++++- > 1 file changed, 77 insertions(+), 2 deletions(-) > > diff --git a/Silicon/Intel/Tools/FitGen/FitGen.c > b/Silicon/Intel/Tools/FitGen/FitGen.c > index faf9880060..833610f2a0 100644 > --- a/Silicon/Intel/Tools/FitGen/FitGen.c > +++ b/Silicon/Intel/Tools/FitGen/FitGen.c > @@ -315,6 +315,7 @@ Returns: > "\t[-F <FitTablePointerOffset>] [-F <FitTablePointerOffset>] [-V > <FitHeaderVersion>]\n" > "\t[-NA]\n" > "\t[-CLEAR]\n" > + "\t[-L <MicrocodeSlotSize> <MicrocodeFfsGuid>]\n" > "\t[-I <BiosInfoGuid>]\n" > "\t[-S <StartupAcmAddress StartupAcmSize>|<StartupAcmGuid>] [-V > <StartupAcmVersion>]\n" > "\t[-B <BiosModuleAddress BiosModuleSize>] [-B ...] [-V > <BiosModuleVersion>]\n" > @@ -340,6 +341,8 @@ Returns: > printf ("\tMicrocodeRegionOffset - Offset of Microcode region in input FD > image.\n"); > printf ("\tMicrocodeRegionSize - Size of Microcode region in input FD > image.\n"); > printf ("\tMicrocodeGuid - Guid of Microcode Module.\n"); > + printf ("\tMicrocodeSlotSize - Occupied region size of each Microcode > binary.\n"); > + printf ("\tMicrocodeFfsGuid - Guid of FFS which is used to save > Microcode binary"); > printf ("\t-NA - No 0x800 aligned Microcode > requirement. No -NA means Microcode is 0x800 aligned.\n"); > printf ("\tRecordType - FIT entry record type. User should > ensure it is ordered.\n"); > printf ("\tRecordDataAddress - FIT entry record data address.\n"); > @@ -764,6 +767,7 @@ Returns: > */ > { > EFI_GUID Guid; > + EFI_GUID MicrocodeFfsGuid; > INTN Index; > UINT8 *FileBuffer; > UINT32 FileSize; > @@ -774,16 +778,22 @@ Returns: > UINT32 MicrocodeBase; > UINT32 MicrocodeSize; > UINT8 *MicrocodeBuffer; > + UINT32 MicrocodeBufferSize; > + UINT8 *Walker; > UINT32 MicrocodeRegionOffset; > UINT32 MicrocodeRegionSize; > + UINT32 SlotSize; > STATUS Status; > EFI_FIRMWARE_VOLUME_HEADER *FvHeader; > UINTN FitEntryNumber; > BOOLEAN BiosInfoExist; > + BOOLEAN SlotMode; > BIOS_INFO_HEADER *BiosInfo; > BIOS_INFO_STRUCT *BiosInfoStruct; > UINTN BiosInfoIndex; > > + SlotMode = FALSE; > + > // > // Init index > // > @@ -900,7 +910,34 @@ Returns: > } > > // > - // 0.5 BiosInfo > + // 0.5 SlotSize > + // > + if ((Index + 1 >= argc) || > + ((strcmp (argv[Index], "-L") != 0) && > + (strcmp (argv[Index], "-l") != 0)) ) { > + // > + // Bypass > + // > + SlotSize = 0; > + } else { > + SlotSize = xtoi (argv[Index + 1]); > + > + if (SlotSize == 0) { > + printf ("Invalid slotsize = %d\n", SlotSize); > + return 0; > + } > + > + SlotMode = IsGuidData(argv[Index + 2], &MicrocodeFfsGuid); > + if (!SlotMode) { > + printf ("Need a ffs GUID for search uCode ffs\n"); > + return 0; > + } > + > + Index += 3; > + } > + > + // > + // 0.6 BiosInfo > // > if ((Index + 1 >= argc) || > ((strcmp (argv[Index], "-I") != 0) && > @@ -1007,6 +1044,16 @@ Returns: > } else { > MicrocodeBuffer = MicrocodeFileBuffer; > } > + > + if (SlotMode) { > + MicrocodeBuffer = FindFileFromFvByGuid(MicrocodeFileBuffer, > MicrocodeFileSize, &MicrocodeFfsGuid, > &MicrocodeBufferSize); > + if (MicrocodeBuffer == NULL) { > + printf ("-L Parameter incorrect, GUID not found\n"); > + // not found > + return 0; > + } > + } > + > while ((UINT32)(MicrocodeBuffer - MicrocodeFileBuffer) < > MicrocodeFileSize) { > if (*(UINT32 *)(MicrocodeBuffer) != 0x1) { // HeaderVersion > break; > @@ -1040,7 +1087,35 @@ Returns: > gFitTableContext.MicrocodeNumber++; > gFitTableContext.FitEntryNumber++; > > - MicrocodeBuffer += MicrocodeSize; > + if (SlotSize != 0) { > + MicrocodeBuffer += SlotSize; > + } else { > + MicrocodeBuffer += MicrocodeSize; > + } > + } > + > + /// > + /// Check the remaining buffer > + /// > + if (((UINT32)(MicrocodeBuffer - MicrocodeFileBuffer) < > MicrocodeFileSize) && SlotMode != 0) { > + for (Walker = MicrocodeBuffer; Walker < MicrocodeFileBuffer + > MicrocodeFileSize; Walker++) { > + if (*Walker != 0xFF) { > + printf ("Error: detect non-spare space after uCode array, > please check uCode array!\n"); > + return 0; > + } > + } > + > + /// > + /// Split the spare space as empty buffer for save uCode patch. > + /// > + while (MicrocodeBuffer + SlotSize <= MicrocodeFileBuffer + > MicrocodeFileSize) { > + > gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Type = > FIT_TABLE_TYPE_MICROCODE; > + > gFitTableContext.Microcode[gFitTableContext.MicrocodeNumber].Address = > MicrocodeBase + ((UINT32) (UINTN) > MicrocodeBuffer - (UINT32) (UINTN) MicrocodeFileBuffer); > + gFitTableContext.MicrocodeNumber++; > + gFitTableContext.FitEntryNumber++; > + > + MicrocodeBuffer += SlotSize; > + } > } > } > break; > -- > 2.16.2.windows.1 > > >
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