diff options
Diffstat (limited to 'crc32.c')
| -rw-r--r-- | crc32.c | 437 |
1 files changed, 109 insertions, 328 deletions
diff --git a/crc32.c b/crc32.c index 4d9eb02..6c268ef 100644 --- a/crc32.c +++ b/crc32.c @@ -1,328 +1,109 @@ -/*++ - -Copyright (c) 2004, Intel Corporation. All rights reserved.<BR> -This program and the accompanying materials -are licensed and made available under the terms and conditions of the BSD License -which accompanies this distribution. The full text of the license may be found at -http://opensource.org/licenses/bsd-license.php - -THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, -WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. - -Module Name: - - crc32.c - -Abstract: - - CalcuateCrc32 routine. - - Modified to avoid EFI dependencies for mkgpt - ---*/ - -#include <stdlib.h> -#include <stdint.h> - -uint32_t mCrcTable[256] = { - 0x00000000, - 0x77073096, - 0xEE0E612C, - 0x990951BA, - 0x076DC419, - 0x706AF48F, - 0xE963A535, - 0x9E6495A3, - 0x0EDB8832, - 0x79DCB8A4, - 0xE0D5E91E, - 0x97D2D988, - 0x09B64C2B, - 0x7EB17CBD, - 0xE7B82D07, - 0x90BF1D91, - 0x1DB71064, - 0x6AB020F2, - 0xF3B97148, - 0x84BE41DE, - 0x1ADAD47D, - 0x6DDDE4EB, - 0xF4D4B551, - 0x83D385C7, - 0x136C9856, - 0x646BA8C0, - 0xFD62F97A, - 0x8A65C9EC, - 0x14015C4F, - 0x63066CD9, - 0xFA0F3D63, - 0x8D080DF5, - 0x3B6E20C8, - 0x4C69105E, - 0xD56041E4, - 0xA2677172, - 0x3C03E4D1, - 0x4B04D447, - 0xD20D85FD, - 0xA50AB56B, - 0x35B5A8FA, - 0x42B2986C, - 0xDBBBC9D6, - 0xACBCF940, - 0x32D86CE3, - 0x45DF5C75, - 0xDCD60DCF, - 0xABD13D59, - 0x26D930AC, - 0x51DE003A, - 0xC8D75180, - 0xBFD06116, - 0x21B4F4B5, - 0x56B3C423, - 0xCFBA9599, - 0xB8BDA50F, - 0x2802B89E, - 0x5F058808, - 0xC60CD9B2, - 0xB10BE924, - 0x2F6F7C87, - 0x58684C11, - 0xC1611DAB, - 0xB6662D3D, - 0x76DC4190, - 0x01DB7106, - 0x98D220BC, - 0xEFD5102A, - 0x71B18589, - 0x06B6B51F, - 0x9FBFE4A5, - 0xE8B8D433, - 0x7807C9A2, - 0x0F00F934, - 0x9609A88E, - 0xE10E9818, - 0x7F6A0DBB, - 0x086D3D2D, - 0x91646C97, - 0xE6635C01, - 0x6B6B51F4, - 0x1C6C6162, - 0x856530D8, - 0xF262004E, - 0x6C0695ED, - 0x1B01A57B, - 0x8208F4C1, - 0xF50FC457, - 0x65B0D9C6, - 0x12B7E950, - 0x8BBEB8EA, - 0xFCB9887C, - 0x62DD1DDF, - 0x15DA2D49, - 0x8CD37CF3, - 0xFBD44C65, - 0x4DB26158, - 0x3AB551CE, - 0xA3BC0074, - 0xD4BB30E2, - 0x4ADFA541, - 0x3DD895D7, - 0xA4D1C46D, - 0xD3D6F4FB, - 0x4369E96A, - 0x346ED9FC, - 0xAD678846, - 0xDA60B8D0, - 0x44042D73, - 0x33031DE5, - 0xAA0A4C5F, - 0xDD0D7CC9, - 0x5005713C, - 0x270241AA, - 0xBE0B1010, - 0xC90C2086, - 0x5768B525, - 0x206F85B3, - 0xB966D409, - 0xCE61E49F, - 0x5EDEF90E, - 0x29D9C998, - 0xB0D09822, - 0xC7D7A8B4, - 0x59B33D17, - 0x2EB40D81, - 0xB7BD5C3B, - 0xC0BA6CAD, - 0xEDB88320, - 0x9ABFB3B6, - 0x03B6E20C, - 0x74B1D29A, - 0xEAD54739, - 0x9DD277AF, - 0x04DB2615, - 0x73DC1683, - 0xE3630B12, - 0x94643B84, - 0x0D6D6A3E, - 0x7A6A5AA8, - 0xE40ECF0B, - 0x9309FF9D, - 0x0A00AE27, - 0x7D079EB1, - 0xF00F9344, - 0x8708A3D2, - 0x1E01F268, - 0x6906C2FE, - 0xF762575D, - 0x806567CB, - 0x196C3671, - 0x6E6B06E7, - 0xFED41B76, - 0x89D32BE0, - 0x10DA7A5A, - 0x67DD4ACC, - 0xF9B9DF6F, - 0x8EBEEFF9, - 0x17B7BE43, - 0x60B08ED5, - 0xD6D6A3E8, - 0xA1D1937E, - 0x38D8C2C4, - 0x4FDFF252, - 0xD1BB67F1, - 0xA6BC5767, - 0x3FB506DD, - 0x48B2364B, - 0xD80D2BDA, - 0xAF0A1B4C, - 0x36034AF6, - 0x41047A60, - 0xDF60EFC3, - 0xA867DF55, - 0x316E8EEF, - 0x4669BE79, - 0xCB61B38C, - 0xBC66831A, - 0x256FD2A0, - 0x5268E236, - 0xCC0C7795, - 0xBB0B4703, - 0x220216B9, - 0x5505262F, - 0xC5BA3BBE, - 0xB2BD0B28, - 0x2BB45A92, - 0x5CB36A04, - 0xC2D7FFA7, - 0xB5D0CF31, - 0x2CD99E8B, - 0x5BDEAE1D, - 0x9B64C2B0, - 0xEC63F226, - 0x756AA39C, - 0x026D930A, - 0x9C0906A9, - 0xEB0E363F, - 0x72076785, - 0x05005713, - 0x95BF4A82, - 0xE2B87A14, - 0x7BB12BAE, - 0x0CB61B38, - 0x92D28E9B, - 0xE5D5BE0D, - 0x7CDCEFB7, - 0x0BDBDF21, - 0x86D3D2D4, - 0xF1D4E242, - 0x68DDB3F8, - 0x1FDA836E, - 0x81BE16CD, - 0xF6B9265B, - 0x6FB077E1, - 0x18B74777, - 0x88085AE6, - 0xFF0F6A70, - 0x66063BCA, - 0x11010B5C, - 0x8F659EFF, - 0xF862AE69, - 0x616BFFD3, - 0x166CCF45, - 0xA00AE278, - 0xD70DD2EE, - 0x4E048354, - 0x3903B3C2, - 0xA7672661, - 0xD06016F7, - 0x4969474D, - 0x3E6E77DB, - 0xAED16A4A, - 0xD9D65ADC, - 0x40DF0B66, - 0x37D83BF0, - 0xA9BCAE53, - 0xDEBB9EC5, - 0x47B2CF7F, - 0x30B5FFE9, - 0xBDBDF21C, - 0xCABAC28A, - 0x53B39330, - 0x24B4A3A6, - 0xBAD03605, - 0xCDD70693, - 0x54DE5729, - 0x23D967BF, - 0xB3667A2E, - 0xC4614AB8, - 0x5D681B02, - 0x2A6F2B94, - 0xB40BBE37, - 0xC30C8EA1, - 0x5A05DF1B, - 0x2D02EF8D -}; - -int -CalculateCrc32 ( - uint8_t *Data, - size_t DataSize, - uint32_t *CrcOut - ) -/*++ - -Routine Description: - - The CalculateCrc32 routine. - -Arguments: - - Data - The buffer contaning the data to be processed - DataSize - The size of data to be processed - CrcOut - A pointer to the caller allocated UINT32 that on - contains the CRC32 checksum of Data - -Returns: - - EFI_SUCCESS - Calculation is successful. - EFI_INVALID_PARAMETER - Data / CrcOut = NULL, or DataSize = 0 - ---*/ -{ - uint32_t Crc; - size_t Index; - uint8_t *Ptr; - - if ((DataSize == 0) || (Data == NULL) || (CrcOut == NULL)) { - return -1; - } - - Crc = 0xffffffff; - for (Index = 0, Ptr = Data; Index < DataSize; Index++, Ptr++) { - Crc = (Crc >> 8) ^ mCrcTable[(uint8_t) Crc ^ *Ptr]; - } - - *CrcOut = Crc ^ 0xffffffff; - - return 0; -} +/*++ + +Copyright (c) 2004, Intel Corporation. All rights reserved.<BR> +This program and the accompanying materials +are licensed and made available under the terms and conditions of the BSD +License which accompanies this distribution. The full text of the license may +be found at http://opensource.org/licenses/bsd-license.php + +THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS, +WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED. + +Module Name: + + crc32.c + +Abstract: + + CalcuateCrc32 routine. + + Modified to avoid EFI dependencies for mkgpt + +--*/ + +#include <stdlib.h> +#include <stdint.h> + +uint32_t mCrcTable[256] = {0x00000000, 0x77073096, 0xEE0E612C, 0x990951BA, + 0x076DC419, 0x706AF48F, 0xE963A535, 0x9E6495A3, 0x0EDB8832, 0x79DCB8A4, + 0xE0D5E91E, 0x97D2D988, 0x09B64C2B, 0x7EB17CBD, 0xE7B82D07, 0x90BF1D91, + 0x1DB71064, 0x6AB020F2, 0xF3B97148, 0x84BE41DE, 0x1ADAD47D, 0x6DDDE4EB, + 0xF4D4B551, 0x83D385C7, 0x136C9856, 0x646BA8C0, 0xFD62F97A, 0x8A65C9EC, + 0x14015C4F, 0x63066CD9, 0xFA0F3D63, 0x8D080DF5, 0x3B6E20C8, 0x4C69105E, + 0xD56041E4, 0xA2677172, 0x3C03E4D1, 0x4B04D447, 0xD20D85FD, 0xA50AB56B, + 0x35B5A8FA, 0x42B2986C, 0xDBBBC9D6, 0xACBCF940, 0x32D86CE3, 0x45DF5C75, + 0xDCD60DCF, 0xABD13D59, 0x26D930AC, 0x51DE003A, 0xC8D75180, 0xBFD06116, + 0x21B4F4B5, 0x56B3C423, 0xCFBA9599, 0xB8BDA50F, 0x2802B89E, 0x5F058808, + 0xC60CD9B2, 0xB10BE924, 0x2F6F7C87, 0x58684C11, 0xC1611DAB, 0xB6662D3D, + 0x76DC4190, 0x01DB7106, 0x98D220BC, 0xEFD5102A, 0x71B18589, 0x06B6B51F, + 0x9FBFE4A5, 0xE8B8D433, 0x7807C9A2, 0x0F00F934, 0x9609A88E, 0xE10E9818, + 0x7F6A0DBB, 0x086D3D2D, 0x91646C97, 0xE6635C01, 0x6B6B51F4, 0x1C6C6162, + 0x856530D8, 0xF262004E, 0x6C0695ED, 0x1B01A57B, 0x8208F4C1, 0xF50FC457, + 0x65B0D9C6, 0x12B7E950, 0x8BBEB8EA, 0xFCB9887C, 0x62DD1DDF, 0x15DA2D49, + 0x8CD37CF3, 0xFBD44C65, 0x4DB26158, 0x3AB551CE, 0xA3BC0074, 0xD4BB30E2, + 0x4ADFA541, 0x3DD895D7, 0xA4D1C46D, 0xD3D6F4FB, 0x4369E96A, 0x346ED9FC, + 0xAD678846, 0xDA60B8D0, 0x44042D73, 0x33031DE5, 0xAA0A4C5F, 0xDD0D7CC9, + 0x5005713C, 0x270241AA, 0xBE0B1010, 0xC90C2086, 0x5768B525, 0x206F85B3, + 0xB966D409, 0xCE61E49F, 0x5EDEF90E, 0x29D9C998, 0xB0D09822, 0xC7D7A8B4, + 0x59B33D17, 0x2EB40D81, 0xB7BD5C3B, 0xC0BA6CAD, 0xEDB88320, 0x9ABFB3B6, + 0x03B6E20C, 0x74B1D29A, 0xEAD54739, 0x9DD277AF, 0x04DB2615, 0x73DC1683, + 0xE3630B12, 0x94643B84, 0x0D6D6A3E, 0x7A6A5AA8, 0xE40ECF0B, 0x9309FF9D, + 0x0A00AE27, 0x7D079EB1, 0xF00F9344, 0x8708A3D2, 0x1E01F268, 0x6906C2FE, + 0xF762575D, 0x806567CB, 0x196C3671, 0x6E6B06E7, 0xFED41B76, 0x89D32BE0, + 0x10DA7A5A, 0x67DD4ACC, 0xF9B9DF6F, 0x8EBEEFF9, 0x17B7BE43, 0x60B08ED5, + 0xD6D6A3E8, 0xA1D1937E, 0x38D8C2C4, 0x4FDFF252, 0xD1BB67F1, 0xA6BC5767, + 0x3FB506DD, 0x48B2364B, 0xD80D2BDA, 0xAF0A1B4C, 0x36034AF6, 0x41047A60, + 0xDF60EFC3, 0xA867DF55, 0x316E8EEF, 0x4669BE79, 0xCB61B38C, 0xBC66831A, + 0x256FD2A0, 0x5268E236, 0xCC0C7795, 0xBB0B4703, 0x220216B9, 0x5505262F, + 0xC5BA3BBE, 0xB2BD0B28, 0x2BB45A92, 0x5CB36A04, 0xC2D7FFA7, 0xB5D0CF31, + 0x2CD99E8B, 0x5BDEAE1D, 0x9B64C2B0, 0xEC63F226, 0x756AA39C, 0x026D930A, + 0x9C0906A9, 0xEB0E363F, 0x72076785, 0x05005713, 0x95BF4A82, 0xE2B87A14, + 0x7BB12BAE, 0x0CB61B38, 0x92D28E9B, 0xE5D5BE0D, 0x7CDCEFB7, 0x0BDBDF21, + 0x86D3D2D4, 0xF1D4E242, 0x68DDB3F8, 0x1FDA836E, 0x81BE16CD, 0xF6B9265B, + 0x6FB077E1, 0x18B74777, 0x88085AE6, 0xFF0F6A70, 0x66063BCA, 0x11010B5C, + 0x8F659EFF, 0xF862AE69, 0x616BFFD3, 0x166CCF45, 0xA00AE278, 0xD70DD2EE, + 0x4E048354, 0x3903B3C2, 0xA7672661, 0xD06016F7, 0x4969474D, 0x3E6E77DB, + 0xAED16A4A, 0xD9D65ADC, 0x40DF0B66, 0x37D83BF0, 0xA9BCAE53, 0xDEBB9EC5, + 0x47B2CF7F, 0x30B5FFE9, 0xBDBDF21C, 0xCABAC28A, 0x53B39330, 0x24B4A3A6, + 0xBAD03605, 0xCDD70693, 0x54DE5729, 0x23D967BF, 0xB3667A2E, 0xC4614AB8, + 0x5D681B02, 0x2A6F2B94, 0xB40BBE37, 0xC30C8EA1, 0x5A05DF1B, 0x2D02EF8D}; + +int +CalculateCrc32(uint8_t *Data, size_t DataSize, uint32_t *CrcOut) +/*++ + +Routine Description: + + The CalculateCrc32 routine. + +Arguments: + + Data - The buffer contaning the data to be processed + DataSize - The size of data to be processed + CrcOut - A pointer to the caller allocated UINT32 that on + contains the CRC32 checksum of Data + +Returns: + + EFI_SUCCESS - Calculation is successful. + EFI_INVALID_PARAMETER - Data / CrcOut = NULL, or DataSize = 0 + +--*/ +{ + uint32_t Crc; + size_t Index; + uint8_t *Ptr; + + if ((DataSize == 0) || (Data == NULL) || (CrcOut == NULL)) { + return -1; + } + + Crc = 0xffffffff; + for (Index = 0, Ptr = Data; Index < DataSize; Index++, Ptr++) { + Crc = (Crc >> 8) ^ mCrcTable[(uint8_t)Crc ^ *Ptr]; + } + + *CrcOut = Crc ^ 0xffffffff; + + return 0; +} |