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Initial ME parser, improved ucode parser, reset vector info

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This commit is contained in:
Nikolaj Schlej 2019-07-24 10:30:59 -07:00
parent f386eda430
commit 2e7aa8133a
21 changed files with 1867 additions and 166 deletions

25
common/utility.cpp Normal file → Executable file
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@ -141,6 +141,7 @@ UString errorCodeToUString(USTATUS errorCode)
case U_TRUNCATED_IMAGE: return UString("Image is truncated");
case U_INVALID_CAPSULE: return UString("Invalid capsule");
case U_STORES_NOT_FOUND: return UString("Stores not found");
case U_INVALID_STORE_SIZE: return UString("Invalid store size");
default: return usprintf("Unknown error %02X", errorCode);
}
}
@ -149,12 +150,12 @@ UString errorCodeToUString(USTATUS errorCode)
USTATUS decompress(const UByteArray & compressedData, const UINT8 compressionType, UINT8 & algorithm, UINT32 & dictionarySize, UByteArray & decompressedData, UByteArray & efiDecompressedData)
{
const UINT8* data;
UINT32 dataSize;
UINT32 dataSize;
UINT8* decompressed;
UINT8* efiDecompressed;
UINT32 decompressedSize = 0;
UINT32 decompressedSize = 0;
UINT8* scratch;
UINT32 scratchSize = 0;
UINT32 scratchSize = 0;
const EFI_TIANO_HEADER* header;
// For all but LZMA dictionary size is 0
@ -333,6 +334,24 @@ UINT16 calculateChecksum16(const UINT16* buffer, UINT32 bufferSize)
return (UINT16)(0x10000 - counter);
}
// 32bit checksum calculation routine
UINT32 calculateChecksum32(const UINT32* buffer, UINT32 bufferSize)
{
if (!buffer)
return 0;
UINT32 counter = 0;
UINT32 index = 0;
bufferSize /= sizeof(UINT32);
for (; index < bufferSize; index++) {
counter = (UINT32)(counter + buffer[index]);
}
return (UINT32)(0x100000000ULL - counter);
}
// Get padding type for a given padding
UINT8 getPaddingType(const UByteArray & padding)
{