Utility functions to generate checksum based on 2's complement\r
algorithm.\r
\r
- Copyright (c) 2007 - 2010, Intel Corporation. All rights reserved.<BR>\r
- This program and the accompanying materials\r
- are licensed and made available under the terms and conditions of the BSD License\r
- which accompanies this distribution. The full text of the license may be found at\r
- http://opensource.org/licenses/bsd-license.php.\r
-\r
- THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,\r
- WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.\r
+ Copyright (c) 2007 - 2018, Intel Corporation. All rights reserved.<BR>\r
+ Copyright (c) 2022, Pedro Falcato. All rights reserved.<BR>\r
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
UINT8\r
EFIAPI\r
CalculateSum8 (\r
- IN CONST UINT8 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT8 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT8 Sum;\r
- UINTN Count;\r
+ UINT8 Sum;\r
+ UINTN Count;\r
\r
ASSERT (Buffer != NULL);\r
- ASSERT (Length <= (MAX_ADDRESS - ((UINTN) Buffer) + 1));\r
+ ASSERT (Length <= (MAX_ADDRESS - ((UINTN)Buffer) + 1));\r
\r
for (Sum = 0, Count = 0; Count < Length; Count++) {\r
- Sum = (UINT8) (Sum + *(Buffer + Count));\r
+ Sum = (UINT8)(Sum + *(Buffer + Count));\r
}\r
- \r
+\r
return Sum;\r
}\r
\r
-\r
/**\r
Returns the two's complement checksum of all elements in a buffer\r
of 8-bit values.\r
UINT8\r
EFIAPI\r
CalculateCheckSum8 (\r
- IN CONST UINT8 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT8 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT8 CheckSum;\r
+ UINT8 CheckSum;\r
\r
CheckSum = CalculateSum8 (Buffer, Length);\r
\r
//\r
// Return the checksum based on 2's complement.\r
//\r
- return (UINT8) (0x100 - CheckSum);\r
+ return (UINT8)(0x100 - CheckSum);\r
}\r
\r
/**\r
UINT16\r
EFIAPI\r
CalculateSum16 (\r
- IN CONST UINT16 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT16 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT16 Sum;\r
- UINTN Count;\r
- UINTN Total;\r
+ UINT16 Sum;\r
+ UINTN Count;\r
+ UINTN Total;\r
\r
ASSERT (Buffer != NULL);\r
- ASSERT (((UINTN) Buffer & 0x1) == 0);\r
+ ASSERT (((UINTN)Buffer & 0x1) == 0);\r
ASSERT ((Length & 0x1) == 0);\r
- ASSERT (Length <= (MAX_ADDRESS - ((UINTN) Buffer) + 1));\r
+ ASSERT (Length <= (MAX_ADDRESS - ((UINTN)Buffer) + 1));\r
\r
Total = Length / sizeof (*Buffer);\r
for (Sum = 0, Count = 0; Count < Total; Count++) {\r
- Sum = (UINT16) (Sum + *(Buffer + Count));\r
+ Sum = (UINT16)(Sum + *(Buffer + Count));\r
}\r
- \r
+\r
return Sum;\r
}\r
\r
-\r
/**\r
Returns the two's complement checksum of all elements in a buffer of\r
16-bit values.\r
UINT16\r
EFIAPI\r
CalculateCheckSum16 (\r
- IN CONST UINT16 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT16 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT16 CheckSum;\r
+ UINT16 CheckSum;\r
\r
CheckSum = CalculateSum16 (Buffer, Length);\r
\r
//\r
// Return the checksum based on 2's complement.\r
//\r
- return (UINT16) (0x10000 - CheckSum);\r
+ return (UINT16)(0x10000 - CheckSum);\r
}\r
\r
-\r
/**\r
Returns the sum of all elements in a buffer of 32-bit values. During\r
calculation, the carry bits are dropped.\r
UINT32\r
EFIAPI\r
CalculateSum32 (\r
- IN CONST UINT32 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT32 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT32 Sum;\r
- UINTN Count;\r
- UINTN Total;\r
+ UINT32 Sum;\r
+ UINTN Count;\r
+ UINTN Total;\r
\r
ASSERT (Buffer != NULL);\r
- ASSERT (((UINTN) Buffer & 0x3) == 0);\r
+ ASSERT (((UINTN)Buffer & 0x3) == 0);\r
ASSERT ((Length & 0x3) == 0);\r
- ASSERT (Length <= (MAX_ADDRESS - ((UINTN) Buffer) + 1));\r
+ ASSERT (Length <= (MAX_ADDRESS - ((UINTN)Buffer) + 1));\r
\r
Total = Length / sizeof (*Buffer);\r
for (Sum = 0, Count = 0; Count < Total; Count++) {\r
Sum = Sum + *(Buffer + Count);\r
}\r
- \r
+\r
return Sum;\r
}\r
\r
-\r
/**\r
Returns the two's complement checksum of all elements in a buffer of\r
32-bit values.\r
UINT32\r
EFIAPI\r
CalculateCheckSum32 (\r
- IN CONST UINT32 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT32 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT32 CheckSum;\r
+ UINT32 CheckSum;\r
\r
CheckSum = CalculateSum32 (Buffer, Length);\r
\r
//\r
// Return the checksum based on 2's complement.\r
//\r
- return (UINT32) ((UINT32)(-1) - CheckSum + 1);\r
+ return (UINT32)((UINT32)(-1) - CheckSum + 1);\r
}\r
\r
-\r
/**\r
Returns the sum of all elements in a buffer of 64-bit values. During\r
calculation, the carry bits are dropped.\r
UINT64\r
EFIAPI\r
CalculateSum64 (\r
- IN CONST UINT64 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT64 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT64 Sum;\r
- UINTN Count;\r
- UINTN Total;\r
+ UINT64 Sum;\r
+ UINTN Count;\r
+ UINTN Total;\r
\r
ASSERT (Buffer != NULL);\r
- ASSERT (((UINTN) Buffer & 0x7) == 0);\r
+ ASSERT (((UINTN)Buffer & 0x7) == 0);\r
ASSERT ((Length & 0x7) == 0);\r
- ASSERT (Length <= (MAX_ADDRESS - ((UINTN) Buffer) + 1));\r
+ ASSERT (Length <= (MAX_ADDRESS - ((UINTN)Buffer) + 1));\r
\r
Total = Length / sizeof (*Buffer);\r
for (Sum = 0, Count = 0; Count < Total; Count++) {\r
Sum = Sum + *(Buffer + Count);\r
}\r
- \r
+\r
return Sum;\r
}\r
\r
-\r
/**\r
Returns the two's complement checksum of all elements in a buffer of\r
64-bit values.\r
UINT64\r
EFIAPI\r
CalculateCheckSum64 (\r
- IN CONST UINT64 *Buffer,\r
- IN UINTN Length\r
+ IN CONST UINT64 *Buffer,\r
+ IN UINTN Length\r
)\r
{\r
- UINT64 CheckSum;\r
+ UINT64 CheckSum;\r
\r
CheckSum = CalculateSum64 (Buffer, Length);\r
\r
//\r
// Return the checksum based on 2's complement.\r
//\r
- return (UINT64) ((UINT64)(-1) - CheckSum + 1);\r
+ return (UINT64)((UINT64)(-1) - CheckSum + 1);\r
}\r
\r
+GLOBAL_REMOVE_IF_UNREFERENCED CONST UINT32 mCrcTable[256] = {\r
+ 0x00000000,\r
+ 0x77073096,\r
+ 0xEE0E612C,\r
+ 0x990951BA,\r
+ 0x076DC419,\r
+ 0x706AF48F,\r
+ 0xE963A535,\r
+ 0x9E6495A3,\r
+ 0x0EDB8832,\r
+ 0x79DCB8A4,\r
+ 0xE0D5E91E,\r
+ 0x97D2D988,\r
+ 0x09B64C2B,\r
+ 0x7EB17CBD,\r
+ 0xE7B82D07,\r
+ 0x90BF1D91,\r
+ 0x1DB71064,\r
+ 0x6AB020F2,\r
+ 0xF3B97148,\r
+ 0x84BE41DE,\r
+ 0x1ADAD47D,\r
+ 0x6DDDE4EB,\r
+ 0xF4D4B551,\r
+ 0x83D385C7,\r
+ 0x136C9856,\r
+ 0x646BA8C0,\r
+ 0xFD62F97A,\r
+ 0x8A65C9EC,\r
+ 0x14015C4F,\r
+ 0x63066CD9,\r
+ 0xFA0F3D63,\r
+ 0x8D080DF5,\r
+ 0x3B6E20C8,\r
+ 0x4C69105E,\r
+ 0xD56041E4,\r
+ 0xA2677172,\r
+ 0x3C03E4D1,\r
+ 0x4B04D447,\r
+ 0xD20D85FD,\r
+ 0xA50AB56B,\r
+ 0x35B5A8FA,\r
+ 0x42B2986C,\r
+ 0xDBBBC9D6,\r
+ 0xACBCF940,\r
+ 0x32D86CE3,\r
+ 0x45DF5C75,\r
+ 0xDCD60DCF,\r
+ 0xABD13D59,\r
+ 0x26D930AC,\r
+ 0x51DE003A,\r
+ 0xC8D75180,\r
+ 0xBFD06116,\r
+ 0x21B4F4B5,\r
+ 0x56B3C423,\r
+ 0xCFBA9599,\r
+ 0xB8BDA50F,\r
+ 0x2802B89E,\r
+ 0x5F058808,\r
+ 0xC60CD9B2,\r
+ 0xB10BE924,\r
+ 0x2F6F7C87,\r
+ 0x58684C11,\r
+ 0xC1611DAB,\r
+ 0xB6662D3D,\r
+ 0x76DC4190,\r
+ 0x01DB7106,\r
+ 0x98D220BC,\r
+ 0xEFD5102A,\r
+ 0x71B18589,\r
+ 0x06B6B51F,\r
+ 0x9FBFE4A5,\r
+ 0xE8B8D433,\r
+ 0x7807C9A2,\r
+ 0x0F00F934,\r
+ 0x9609A88E,\r
+ 0xE10E9818,\r
+ 0x7F6A0DBB,\r
+ 0x086D3D2D,\r
+ 0x91646C97,\r
+ 0xE6635C01,\r
+ 0x6B6B51F4,\r
+ 0x1C6C6162,\r
+ 0x856530D8,\r
+ 0xF262004E,\r
+ 0x6C0695ED,\r
+ 0x1B01A57B,\r
+ 0x8208F4C1,\r
+ 0xF50FC457,\r
+ 0x65B0D9C6,\r
+ 0x12B7E950,\r
+ 0x8BBEB8EA,\r
+ 0xFCB9887C,\r
+ 0x62DD1DDF,\r
+ 0x15DA2D49,\r
+ 0x8CD37CF3,\r
+ 0xFBD44C65,\r
+ 0x4DB26158,\r
+ 0x3AB551CE,\r
+ 0xA3BC0074,\r
+ 0xD4BB30E2,\r
+ 0x4ADFA541,\r
+ 0x3DD895D7,\r
+ 0xA4D1C46D,\r
+ 0xD3D6F4FB,\r
+ 0x4369E96A,\r
+ 0x346ED9FC,\r
+ 0xAD678846,\r
+ 0xDA60B8D0,\r
+ 0x44042D73,\r
+ 0x33031DE5,\r
+ 0xAA0A4C5F,\r
+ 0xDD0D7CC9,\r
+ 0x5005713C,\r
+ 0x270241AA,\r
+ 0xBE0B1010,\r
+ 0xC90C2086,\r
+ 0x5768B525,\r
+ 0x206F85B3,\r
+ 0xB966D409,\r
+ 0xCE61E49F,\r
+ 0x5EDEF90E,\r
+ 0x29D9C998,\r
+ 0xB0D09822,\r
+ 0xC7D7A8B4,\r
+ 0x59B33D17,\r
+ 0x2EB40D81,\r
+ 0xB7BD5C3B,\r
+ 0xC0BA6CAD,\r
+ 0xEDB88320,\r
+ 0x9ABFB3B6,\r
+ 0x03B6E20C,\r
+ 0x74B1D29A,\r
+ 0xEAD54739,\r
+ 0x9DD277AF,\r
+ 0x04DB2615,\r
+ 0x73DC1683,\r
+ 0xE3630B12,\r
+ 0x94643B84,\r
+ 0x0D6D6A3E,\r
+ 0x7A6A5AA8,\r
+ 0xE40ECF0B,\r
+ 0x9309FF9D,\r
+ 0x0A00AE27,\r
+ 0x7D079EB1,\r
+ 0xF00F9344,\r
+ 0x8708A3D2,\r
+ 0x1E01F268,\r
+ 0x6906C2FE,\r
+ 0xF762575D,\r
+ 0x806567CB,\r
+ 0x196C3671,\r
+ 0x6E6B06E7,\r
+ 0xFED41B76,\r
+ 0x89D32BE0,\r
+ 0x10DA7A5A,\r
+ 0x67DD4ACC,\r
+ 0xF9B9DF6F,\r
+ 0x8EBEEFF9,\r
+ 0x17B7BE43,\r
+ 0x60B08ED5,\r
+ 0xD6D6A3E8,\r
+ 0xA1D1937E,\r
+ 0x38D8C2C4,\r
+ 0x4FDFF252,\r
+ 0xD1BB67F1,\r
+ 0xA6BC5767,\r
+ 0x3FB506DD,\r
+ 0x48B2364B,\r
+ 0xD80D2BDA,\r
+ 0xAF0A1B4C,\r
+ 0x36034AF6,\r
+ 0x41047A60,\r
+ 0xDF60EFC3,\r
+ 0xA867DF55,\r
+ 0x316E8EEF,\r
+ 0x4669BE79,\r
+ 0xCB61B38C,\r
+ 0xBC66831A,\r
+ 0x256FD2A0,\r
+ 0x5268E236,\r
+ 0xCC0C7795,\r
+ 0xBB0B4703,\r
+ 0x220216B9,\r
+ 0x5505262F,\r
+ 0xC5BA3BBE,\r
+ 0xB2BD0B28,\r
+ 0x2BB45A92,\r
+ 0x5CB36A04,\r
+ 0xC2D7FFA7,\r
+ 0xB5D0CF31,\r
+ 0x2CD99E8B,\r
+ 0x5BDEAE1D,\r
+ 0x9B64C2B0,\r
+ 0xEC63F226,\r
+ 0x756AA39C,\r
+ 0x026D930A,\r
+ 0x9C0906A9,\r
+ 0xEB0E363F,\r
+ 0x72076785,\r
+ 0x05005713,\r
+ 0x95BF4A82,\r
+ 0xE2B87A14,\r
+ 0x7BB12BAE,\r
+ 0x0CB61B38,\r
+ 0x92D28E9B,\r
+ 0xE5D5BE0D,\r
+ 0x7CDCEFB7,\r
+ 0x0BDBDF21,\r
+ 0x86D3D2D4,\r
+ 0xF1D4E242,\r
+ 0x68DDB3F8,\r
+ 0x1FDA836E,\r
+ 0x81BE16CD,\r
+ 0xF6B9265B,\r
+ 0x6FB077E1,\r
+ 0x18B74777,\r
+ 0x88085AE6,\r
+ 0xFF0F6A70,\r
+ 0x66063BCA,\r
+ 0x11010B5C,\r
+ 0x8F659EFF,\r
+ 0xF862AE69,\r
+ 0x616BFFD3,\r
+ 0x166CCF45,\r
+ 0xA00AE278,\r
+ 0xD70DD2EE,\r
+ 0x4E048354,\r
+ 0x3903B3C2,\r
+ 0xA7672661,\r
+ 0xD06016F7,\r
+ 0x4969474D,\r
+ 0x3E6E77DB,\r
+ 0xAED16A4A,\r
+ 0xD9D65ADC,\r
+ 0x40DF0B66,\r
+ 0x37D83BF0,\r
+ 0xA9BCAE53,\r
+ 0xDEBB9EC5,\r
+ 0x47B2CF7F,\r
+ 0x30B5FFE9,\r
+ 0xBDBDF21C,\r
+ 0xCABAC28A,\r
+ 0x53B39330,\r
+ 0x24B4A3A6,\r
+ 0xBAD03605,\r
+ 0xCDD70693,\r
+ 0x54DE5729,\r
+ 0x23D967BF,\r
+ 0xB3667A2E,\r
+ 0xC4614AB8,\r
+ 0x5D681B02,\r
+ 0x2A6F2B94,\r
+ 0xB40BBE37,\r
+ 0xC30C8EA1,\r
+ 0x5A05DF1B,\r
+ 0x2D02EF8D\r
+};\r
+\r
+/**\r
+ Computes and returns a 32-bit CRC for a data buffer.\r
+ CRC32 value bases on ITU-T V.42.\r
+\r
+ If Buffer is NULL, then ASSERT().\r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
+\r
+ @param[in] Buffer A pointer to the buffer on which the 32-bit CRC is to be computed.\r
+ @param[in] Length The number of bytes in the buffer Data.\r
+\r
+ @retval Crc32 The 32-bit CRC was computed for the data buffer.\r
+\r
+**/\r
+UINT32\r
+EFIAPI\r
+CalculateCrc32 (\r
+ IN VOID *Buffer,\r
+ IN UINTN Length\r
+ )\r
+{\r
+ UINTN Index;\r
+ UINT32 Crc;\r
+ UINT8 *Ptr;\r
+\r
+ ASSERT (Buffer != NULL);\r
+ ASSERT (Length <= (MAX_ADDRESS - ((UINTN)Buffer) + 1));\r
+\r
+ //\r
+ // Compute CRC\r
+ //\r
+ Crc = 0xffffffff;\r
+ for (Index = 0, Ptr = Buffer; Index < Length; Index++, Ptr++) {\r
+ Crc = (Crc >> 8) ^ mCrcTable[(UINT8)Crc ^ *Ptr];\r
+ }\r
+\r
+ return Crc ^ 0xffffffff;\r
+}\r
\r
+GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT16 mCrc16LookupTable[256] =\r
+{\r
+ 0x0000, 0xC0C1, 0xC181, 0x0140, 0xC301, 0x03C0, 0x0280, 0xC241,\r
+ 0xC601, 0x06C0, 0x0780, 0xC741, 0x0500, 0xC5C1, 0xC481, 0x0440,\r
+ 0xCC01, 0x0CC0, 0x0D80, 0xCD41, 0x0F00, 0xCFC1, 0xCE81, 0x0E40,\r
+ 0x0A00, 0xCAC1, 0xCB81, 0x0B40, 0xC901, 0x09C0, 0x0880, 0xC841,\r
+ 0xD801, 0x18C0, 0x1980, 0xD941, 0x1B00, 0xDBC1, 0xDA81, 0x1A40,\r
+ 0x1E00, 0xDEC1, 0xDF81, 0x1F40, 0xDD01, 0x1DC0, 0x1C80, 0xDC41,\r
+ 0x1400, 0xD4C1, 0xD581, 0x1540, 0xD701, 0x17C0, 0x1680, 0xD641,\r
+ 0xD201, 0x12C0, 0x1380, 0xD341, 0x1100, 0xD1C1, 0xD081, 0x1040,\r
+ 0xF001, 0x30C0, 0x3180, 0xF141, 0x3300, 0xF3C1, 0xF281, 0x3240,\r
+ 0x3600, 0xF6C1, 0xF781, 0x3740, 0xF501, 0x35C0, 0x3480, 0xF441,\r
+ 0x3C00, 0xFCC1, 0xFD81, 0x3D40, 0xFF01, 0x3FC0, 0x3E80, 0xFE41,\r
+ 0xFA01, 0x3AC0, 0x3B80, 0xFB41, 0x3900, 0xF9C1, 0xF881, 0x3840,\r
+ 0x2800, 0xE8C1, 0xE981, 0x2940, 0xEB01, 0x2BC0, 0x2A80, 0xEA41,\r
+ 0xEE01, 0x2EC0, 0x2F80, 0xEF41, 0x2D00, 0xEDC1, 0xEC81, 0x2C40,\r
+ 0xE401, 0x24C0, 0x2580, 0xE541, 0x2700, 0xE7C1, 0xE681, 0x2640,\r
+ 0x2200, 0xE2C1, 0xE381, 0x2340, 0xE101, 0x21C0, 0x2080, 0xE041,\r
+ 0xA001, 0x60C0, 0x6180, 0xA141, 0x6300, 0xA3C1, 0xA281, 0x6240,\r
+ 0x6600, 0xA6C1, 0xA781, 0x6740, 0xA501, 0x65C0, 0x6480, 0xA441,\r
+ 0x6C00, 0xACC1, 0xAD81, 0x6D40, 0xAF01, 0x6FC0, 0x6E80, 0xAE41,\r
+ 0xAA01, 0x6AC0, 0x6B80, 0xAB41, 0x6900, 0xA9C1, 0xA881, 0x6840,\r
+ 0x7800, 0xB8C1, 0xB981, 0x7940, 0xBB01, 0x7BC0, 0x7A80, 0xBA41,\r
+ 0xBE01, 0x7EC0, 0x7F80, 0xBF41, 0x7D00, 0xBDC1, 0xBC81, 0x7C40,\r
+ 0xB401, 0x74C0, 0x7580, 0xB541, 0x7700, 0xB7C1, 0xB681, 0x7640,\r
+ 0x7200, 0xB2C1, 0xB381, 0x7340, 0xB101, 0x71C0, 0x7080, 0xB041,\r
+ 0x5000, 0x90C1, 0x9181, 0x5140, 0x9301, 0x53C0, 0x5280, 0x9241,\r
+ 0x9601, 0x56C0, 0x5780, 0x9741, 0x5500, 0x95C1, 0x9481, 0x5440,\r
+ 0x9C01, 0x5CC0, 0x5D80, 0x9D41, 0x5F00, 0x9FC1, 0x9E81, 0x5E40,\r
+ 0x5A00, 0x9AC1, 0x9B81, 0x5B40, 0x9901, 0x59C0, 0x5880, 0x9841,\r
+ 0x8801, 0x48C0, 0x4980, 0x8941, 0x4B00, 0x8BC1, 0x8A81, 0x4A40,\r
+ 0x4E00, 0x8EC1, 0x8F81, 0x4F40, 0x8D01, 0x4DC0, 0x4C80, 0x8C41,\r
+ 0x4400, 0x84C1, 0x8581, 0x4540, 0x8701, 0x47C0, 0x4680, 0x8641,\r
+ 0x8201, 0x42C0, 0x4380, 0x8341, 0x4100, 0x81C1, 0x8081, 0x4040\r
+};\r
+\r
+/**\r
+ Calculates the CRC16-ANSI checksum of the given buffer.\r
+\r
+ @param[in] Buffer Pointer to the buffer.\r
+ @param[in] Length Length of the buffer, in bytes.\r
+ @param[in] InitialValue Initial value of the CRC.\r
+\r
+ @return The CRC16-ANSI checksum.\r
+**/\r
+UINT16\r
+EFIAPI\r
+CalculateCrc16Ansi (\r
+ IN CONST VOID *Buffer,\r
+ IN UINTN Length,\r
+ IN UINT16 InitialValue\r
+ )\r
+{\r
+ CONST UINT8 *Buf;\r
+ UINT16 Crc;\r
+\r
+ Buf = Buffer;\r
+\r
+ Crc = ~InitialValue;\r
+\r
+ while (Length-- != 0) {\r
+ Crc = mCrc16LookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8);\r
+ }\r
+\r
+ return ~Crc;\r
+}\r
+\r
+GLOBAL_REMOVE_IF_UNREFERENCED STATIC CONST UINT32 mCrc32cLookupTable[256] = {\r
+ 0x00000000, 0xf26b8303, 0xe13b70f7, 0x1350f3f4, 0xc79a971f, 0x35f1141c,\r
+ 0x26a1e7e8, 0xd4ca64eb, 0x8ad958cf, 0x78b2dbcc, 0x6be22838, 0x9989ab3b,\r
+ 0x4d43cfd0, 0xbf284cd3, 0xac78bf27, 0x5e133c24, 0x105ec76f, 0xe235446c,\r
+ 0xf165b798, 0x030e349b, 0xd7c45070, 0x25afd373, 0x36ff2087, 0xc494a384,\r
+ 0x9a879fa0, 0x68ec1ca3, 0x7bbcef57, 0x89d76c54, 0x5d1d08bf, 0xaf768bbc,\r
+ 0xbc267848, 0x4e4dfb4b, 0x20bd8ede, 0xd2d60ddd, 0xc186fe29, 0x33ed7d2a,\r
+ 0xe72719c1, 0x154c9ac2, 0x061c6936, 0xf477ea35, 0xaa64d611, 0x580f5512,\r
+ 0x4b5fa6e6, 0xb93425e5, 0x6dfe410e, 0x9f95c20d, 0x8cc531f9, 0x7eaeb2fa,\r
+ 0x30e349b1, 0xc288cab2, 0xd1d83946, 0x23b3ba45, 0xf779deae, 0x05125dad,\r
+ 0x1642ae59, 0xe4292d5a, 0xba3a117e, 0x4851927d, 0x5b016189, 0xa96ae28a,\r
+ 0x7da08661, 0x8fcb0562, 0x9c9bf696, 0x6ef07595, 0x417b1dbc, 0xb3109ebf,\r
+ 0xa0406d4b, 0x522bee48, 0x86e18aa3, 0x748a09a0, 0x67dafa54, 0x95b17957,\r
+ 0xcba24573, 0x39c9c670, 0x2a993584, 0xd8f2b687, 0x0c38d26c, 0xfe53516f,\r
+ 0xed03a29b, 0x1f682198, 0x5125dad3, 0xa34e59d0, 0xb01eaa24, 0x42752927,\r
+ 0x96bf4dcc, 0x64d4cecf, 0x77843d3b, 0x85efbe38, 0xdbfc821c, 0x2997011f,\r
+ 0x3ac7f2eb, 0xc8ac71e8, 0x1c661503, 0xee0d9600, 0xfd5d65f4, 0x0f36e6f7,\r
+ 0x61c69362, 0x93ad1061, 0x80fde395, 0x72966096, 0xa65c047d, 0x5437877e,\r
+ 0x4767748a, 0xb50cf789, 0xeb1fcbad, 0x197448ae, 0x0a24bb5a, 0xf84f3859,\r
+ 0x2c855cb2, 0xdeeedfb1, 0xcdbe2c45, 0x3fd5af46, 0x7198540d, 0x83f3d70e,\r
+ 0x90a324fa, 0x62c8a7f9, 0xb602c312, 0x44694011, 0x5739b3e5, 0xa55230e6,\r
+ 0xfb410cc2, 0x092a8fc1, 0x1a7a7c35, 0xe811ff36, 0x3cdb9bdd, 0xceb018de,\r
+ 0xdde0eb2a, 0x2f8b6829, 0x82f63b78, 0x709db87b, 0x63cd4b8f, 0x91a6c88c,\r
+ 0x456cac67, 0xb7072f64, 0xa457dc90, 0x563c5f93, 0x082f63b7, 0xfa44e0b4,\r
+ 0xe9141340, 0x1b7f9043, 0xcfb5f4a8, 0x3dde77ab, 0x2e8e845f, 0xdce5075c,\r
+ 0x92a8fc17, 0x60c37f14, 0x73938ce0, 0x81f80fe3, 0x55326b08, 0xa759e80b,\r
+ 0xb4091bff, 0x466298fc, 0x1871a4d8, 0xea1a27db, 0xf94ad42f, 0x0b21572c,\r
+ 0xdfeb33c7, 0x2d80b0c4, 0x3ed04330, 0xccbbc033, 0xa24bb5a6, 0x502036a5,\r
+ 0x4370c551, 0xb11b4652, 0x65d122b9, 0x97baa1ba, 0x84ea524e, 0x7681d14d,\r
+ 0x2892ed69, 0xdaf96e6a, 0xc9a99d9e, 0x3bc21e9d, 0xef087a76, 0x1d63f975,\r
+ 0x0e330a81, 0xfc588982, 0xb21572c9, 0x407ef1ca, 0x532e023e, 0xa145813d,\r
+ 0x758fe5d6, 0x87e466d5, 0x94b49521, 0x66df1622, 0x38cc2a06, 0xcaa7a905,\r
+ 0xd9f75af1, 0x2b9cd9f2, 0xff56bd19, 0x0d3d3e1a, 0x1e6dcdee, 0xec064eed,\r
+ 0xc38d26c4, 0x31e6a5c7, 0x22b65633, 0xd0ddd530, 0x0417b1db, 0xf67c32d8,\r
+ 0xe52cc12c, 0x1747422f, 0x49547e0b, 0xbb3ffd08, 0xa86f0efc, 0x5a048dff,\r
+ 0x8ecee914, 0x7ca56a17, 0x6ff599e3, 0x9d9e1ae0, 0xd3d3e1ab, 0x21b862a8,\r
+ 0x32e8915c, 0xc083125f, 0x144976b4, 0xe622f5b7, 0xf5720643, 0x07198540,\r
+ 0x590ab964, 0xab613a67, 0xb831c993, 0x4a5a4a90, 0x9e902e7b, 0x6cfbad78,\r
+ 0x7fab5e8c, 0x8dc0dd8f, 0xe330a81a, 0x115b2b19, 0x020bd8ed, 0xf0605bee,\r
+ 0x24aa3f05, 0xd6c1bc06, 0xc5914ff2, 0x37faccf1, 0x69e9f0d5, 0x9b8273d6,\r
+ 0x88d28022, 0x7ab90321, 0xae7367ca, 0x5c18e4c9, 0x4f48173d, 0xbd23943e,\r
+ 0xf36e6f75, 0x0105ec76, 0x12551f82, 0xe03e9c81, 0x34f4f86a, 0xc69f7b69,\r
+ 0xd5cf889d, 0x27a40b9e, 0x79b737ba, 0x8bdcb4b9, 0x988c474d, 0x6ae7c44e,\r
+ 0xbe2da0a5, 0x4c4623a6, 0x5f16d052, 0xad7d5351\r
+};\r
+\r
+/**\r
+ Calculates the CRC32c checksum of the given buffer.\r
+\r
+ @param[in] Buffer Pointer to the buffer.\r
+ @param[in] Length Length of the buffer, in bytes.\r
+ @param[in] InitialValue Initial value of the CRC.\r
+\r
+ @return The CRC32c checksum.\r
+**/\r
+UINT32\r
+EFIAPI\r
+CalculateCrc32c (\r
+ IN CONST VOID *Buffer,\r
+ IN UINTN Length,\r
+ IN UINT32 InitialValue\r
+ )\r
+{\r
+ CONST UINT8 *Buf;\r
+ UINT32 Crc;\r
+\r
+ Buf = Buffer;\r
+ Crc = ~InitialValue;\r
+\r
+ while (Length-- != 0) {\r
+ Crc = mCrc32cLookupTable[(Crc & 0xFF) ^ *(Buf++)] ^ (Crc >> 8);\r
+ }\r
+\r
+ return ~Crc;\r
+}\r
projects / mirror_edk2.git / blobdiff