Utility functions to generate checksum based on 2's complement\r
algorithm.\r
\r
- Copyright (c) 2007, Intel Corporation<BR>\r
- All rights reserved. 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
+ SPDX-License-Identifier: BSD-2-Clause-Patent\r
\r
**/\r
\r
-\r
-#include <BaseLibInternals.h>\r
-\r
+#include "BaseLibInternals.h"\r
\r
/**\r
- Calculate the sum of all elements in a buffer in unit of UINT8. \r
+ Returns the sum of all elements in a buffer in unit of UINT8.\r
During calculation, the carry bits are dropped.\r
\r
- This function calculates the sum of all elements in a buffer \r
- in unit of UINT8. The carry bits in result of addition are dropped. \r
- The result is returned as UINT8. If Length is Zero, then Zero is \r
+ This function calculates the sum of all elements in a buffer\r
+ in unit of UINT8. The carry bits in result of addition are dropped.\r
+ The result is returned as UINT8. If Length is Zero, then Zero is\r
returned.\r
- \r
+\r
If Buffer is NULL, then ASSERT().\r
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the sum operation.\r
- @param Length The size, in bytes, of Buffer .\r
+ @param Buffer The pointer to the buffer to carry out the sum operation.\r
+ @param Length The size, in bytes, of Buffer.\r
\r
@return Sum The sum of Buffer with carry bits dropped during additions.\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
for (Sum = 0, Count = 0; Count < Length; 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
+ Returns the two's complement checksum of all elements in a buffer\r
of 8-bit values.\r
\r
- This function first calculates the sum of the 8-bit values in the \r
- buffer specified by Buffer and Length. The carry bits in the result \r
- of addition are dropped. Then, the two's complement of the sum is \r
+ This function first calculates the sum of the 8-bit values in the\r
+ buffer specified by Buffer and Length. The carry bits in the result\r
+ of addition are dropped. Then, the two's complement of the sum is\r
returned. If Length is 0, then 0 is returned.\r
- \r
+\r
If Buffer is NULL, then ASSERT().\r
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the checksum operation.\r
+ @param Buffer The pointer to the buffer to carry out the checksum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
- @return Checksum The 2's complement checksum of Buffer.\r
+ @return Checksum The 2's complement checksum of Buffer.\r
\r
**/\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
}\r
\r
/**\r
- Returns the sum of all elements in a buffer of 16-bit values. During \r
+ Returns the sum of all elements in a buffer of 16-bit values. During\r
calculation, the carry bits are dropped.\r
\r
- This function calculates the sum of the 16-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in result of addition are dropped. \r
- The 16-bit result is returned. If Length is 0, then 0 is returned. \r
- \r
+ This function calculates the sum of the 16-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in result of addition are dropped.\r
+ The 16-bit result is returned. If Length is 0, then 0 is returned.\r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
If Length is not aligned on a 16-bit boundary, then ASSERT().\r
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the sum operation.\r
+ @param Buffer The pointer to the buffer to carry out the sum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
@return Sum The sum of Buffer with carry bits dropped during additions.\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
for (Sum = 0, Count = 0; Count < Total; 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
+ Returns the two's complement checksum of all elements in a buffer of\r
16-bit values.\r
\r
- This function first calculates the sum of the 16-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in the result of addition \r
- are dropped. Then, the two's complement of the sum is returned. If Length \r
+ This function first calculates the sum of the 16-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in the result of addition\r
+ are dropped. Then, the two's complement of the sum is returned. If Length\r
is 0, then 0 is returned.\r
- \r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 16-bit boundary, then ASSERT().\r
If Length is not aligned on a 16-bit boundary, then ASSERT().\r
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the checksum operation.\r
+ @param Buffer The pointer to the buffer to carry out the checksum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
- @return Checksum The 2's complement checksum of Buffer.\r
+ @return Checksum The 2's complement checksum of Buffer.\r
\r
**/\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
\r
\r
/**\r
- Returns the sum of all elements in a buffer of 32-bit values. During \r
+ Returns the sum of all elements in a buffer of 32-bit values. During\r
calculation, the carry bits are dropped.\r
\r
- This function calculates the sum of the 32-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in result of addition are dropped. \r
- The 32-bit result is returned. If Length is 0, then 0 is returned. \r
- \r
+ This function calculates the sum of the 32-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in result of addition are dropped.\r
+ The 32-bit result is returned. If Length is 0, then 0 is returned.\r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
If Length is not aligned on a 32-bit boundary, then ASSERT().\r
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the sum operation.\r
+ @param Buffer The pointer to the buffer to carry out the sum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
@return Sum The sum of Buffer with carry bits dropped during additions.\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
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
+ Returns the two's complement checksum of all elements in a buffer of\r
32-bit values.\r
\r
- This function first calculates the sum of the 32-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in the result of addition \r
- are dropped. Then, the two's complement of the sum is returned. If Length \r
+ This function first calculates the sum of the 32-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in the result of addition\r
+ are dropped. Then, the two's complement of the sum is returned. If Length\r
is 0, then 0 is returned.\r
- \r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 32-bit boundary, then ASSERT().\r
If Length is not aligned on a 32-bit boundary, then ASSERT().\r
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the checksum operation.\r
+ @param Buffer The pointer to the buffer to carry out the checksum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
- @return Checksum The 2's complement checksum of Buffer.\r
+ @return Checksum The 2's complement checksum of Buffer.\r
\r
**/\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
\r
\r
/**\r
- Returns the sum of all elements in a buffer of 64-bit values. During \r
+ Returns the sum of all elements in a buffer of 64-bit values. During\r
calculation, the carry bits are dropped.\r
\r
- This function calculates the sum of the 64-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in result of addition are dropped. \r
- The 64-bit result is returned. If Length is 0, then 0 is returned. \r
- \r
+ This function calculates the sum of the 64-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in result of addition are dropped.\r
+ The 64-bit result is returned. If Length is 0, then 0 is returned.\r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
If Length is not aligned on a 64-bit boundary, then ASSERT().\r
If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the sum operation.\r
+ @param Buffer The pointer to the buffer to carry out the sum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
@return Sum The sum of Buffer with carry bits dropped during additions.\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
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
+ Returns the two's complement checksum of all elements in a buffer of\r
64-bit values.\r
\r
- This function first calculates the sum of the 64-bit values in the buffer \r
- specified by Buffer and Length. The carry bits in the result of addition \r
- are dropped. Then, the two's complement of the sum is returned. If Length \r
+ This function first calculates the sum of the 64-bit values in the buffer\r
+ specified by Buffer and Length. The carry bits in the result of addition\r
+ are dropped. Then, the two's complement of the sum is returned. If Length\r
is 0, then 0 is returned.\r
- \r
+\r
If Buffer is NULL, then ASSERT().\r
If Buffer is not aligned on a 64-bit boundary, then ASSERT().\r
If Length is not aligned on a 64-bit boundary, then ASSERT().\r
- If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT(). \r
+ If Length is greater than (MAX_ADDRESS - Buffer + 1), then ASSERT().\r
\r
- @param Buffer Pointer to the buffer to carry out the checksum operation.\r
+ @param Buffer The pointer to the buffer to carry out the checksum operation.\r
@param Length The size, in bytes, of Buffer.\r
\r
- @return Checksum The 2's complement checksum of Buffer.\r
+ @return Checksum The 2's complement checksum of Buffer.\r
\r
**/\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
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
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