Add KBOOT.
This commit is contained in:
László Monda
88
src/crc/crc16.h
Normal file
88
src/crc/crc16.h
Normal file
@@ -0,0 +1,88 @@
|
||||
/*
|
||||
* Copyright (c) 2013, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
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#ifndef _CRC16_H_
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#define _CRC16_H_
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#include <stdint.h>
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//! @addtogroup crc16
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//! @{
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////////////////////////////////////////////////////////////////////////////////
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// Definitions
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////////////////////////////////////////////////////////////////////////////////
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//! @brief State information for the CRC16 algorithm.
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typedef struct Crc16Data
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{
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uint16_t currentCrc; //!< Current CRC value.
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} crc16_data_t;
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////////////////////////////////////////////////////////////////////////////////
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// API
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////////////////////////////////////////////////////////////////////////////////
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#if __cplusplus
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extern "C" {
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#endif
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//! @name CRC16
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//@{
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//! @brief Initializes the parameters of the crc function, must be called first.
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//!
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//! @param crc16Config Instantiation of the data structure of type crc16_data_t.
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void crc16_init(crc16_data_t *crc16Config);
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//! @brief A "running" crc calculator that updates the crc value after each call.
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//!
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//! @param crc16Config Instantiation of the data structure of type crc16_data_t.
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//! @param src Pointer to the source buffer of data.
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//! @param lengthInBytes The length, given in bytes (not words or long-words).
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void crc16_update(crc16_data_t *crc16Config, const uint8_t *src, uint32_t lengthInBytes);
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//! @brief Calculates the final crc value, padding with zeros if necessary, must be called last.
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//!
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//! @param crc16Config Instantiation of the data structure of type crc16_data_t.
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//! @param hash Pointer to the value returned for the final calculated crc value.
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void crc16_finalize(crc16_data_t *crc16Config, uint16_t *hash);
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//@}
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#if __cplusplus
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}
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#endif
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//! @}
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#endif
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////////////////////////////////////////////////////////////////////////////////
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// EOF
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////////////////////////////////////////////////////////////////////////////////
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93
src/crc/crc32.h
Normal file
93
src/crc/crc32.h
Normal file
@@ -0,0 +1,93 @@
|
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/*
|
||||
* Copyright (c) 2013, Freescale Semiconductor, Inc.
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||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
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||||
#ifndef _CRC_H_
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#define _CRC_H_
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#include <stdint.h>
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#include "bootloader_common.h"
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//! @addtogroup crc32
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||||
//! @{
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////////////////////////////////////////////////////////////////////////////////
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// Definitions
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||||
////////////////////////////////////////////////////////////////////////////////
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||||
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//! @brief State information for the CRC32 algorithm.
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typedef struct Crc32Data
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{
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uint32_t currentCrc; //!< Current CRC value.
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uint32_t byteCountCrc; //!< Number of bytes processed.
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} crc32_data_t;
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////////////////////////////////////////////////////////////////////////////////
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||||
// API
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||||
////////////////////////////////////////////////////////////////////////////////
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#if __cplusplus
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extern "C" {
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#endif
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||||
//! @name CRC32
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//@{
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//! @brief Initializes the parameters of the crc function, must be called first
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//!
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//! @param crc32Config Instantiation of the data structure of type crc32_data_t
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//! @retval kStatus_Success
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void crc32_init(crc32_data_t *crc32Config);
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//! @brief A "running" crc calculator that updates the crc value after each call
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//!
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//! @param crc32Config Instantiation of the data structure of type crc32_data_t
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//! @param src Pointer to the source buffer of data
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//! @param lengthInBytes The length, given in bytes (not words or long-words)
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//! @retval kStatus_Success
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void crc32_update(crc32_data_t *crc32Config, const uint8_t *src, uint32_t lengthInBytes);
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//! @brief Calculates the final crc value, padding with zeros if necessary, must be called last
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//!
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//! @param crc32Config Instantiation of the data structure of type crc32_data_t
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//! @param hash Pointer to the value returned for the final calculated crc value
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//! @retval kStatus_Success
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void crc32_finalize(crc32_data_t *crc32Config, uint32_t *hash);
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||||
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||||
//@}
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||||
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||||
#if __cplusplus
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||||
}
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||||
#endif
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||||
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||||
//! @}
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||||
#endif
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////////////////////////////////////////////////////////////////////////////////
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||||
// EOF
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||||
////////////////////////////////////////////////////////////////////////////////
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144
src/crc/src/crc16.c
Normal file
144
src/crc/src/crc16.c
Normal file
@@ -0,0 +1,144 @@
|
||||
/*
|
||||
* Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
#include "bootloader_common.h"
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#include "crc/crc16.h"
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#include "utilities/fsl_assert.h"
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#include "utilities/fsl_rtos_abstraction.h"
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#if !defined(BOOTLOADER_HOST)
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#include "fsl_device_registers.h"
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#include "utilities/fsl_rtos_abstraction.h"
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#endif // !BOOTLOADER_HOST
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#if !defined(BOOTLOADER_HOST) && FSL_FEATURE_SOC_CRC_COUNT && !defined(BL_TARGET_RAM)
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#include "crc/fsl_crc.h"
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/* Table of base addresses for crc instances. */
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static CRC_Type *const g_crcBase[1] = CRC_BASE_PTRS;
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void crc16_init(crc16_data_t *crc16Config)
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{
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assert(crc16Config);
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crc16Config->currentCrc = 0x0000U;
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}
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void crc16_update(crc16_data_t *crc16Config, const uint8_t *src, uint32_t lengthInBytes)
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{
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assert(crc16Config);
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assert(src);
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crc_config_t crcUserConfigPtr;
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CRC_GetDefaultConfig(&crcUserConfigPtr);
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crcUserConfigPtr.crcBits = kCrcBits16;
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crcUserConfigPtr.seed = crc16Config->currentCrc;
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crcUserConfigPtr.polynomial = 0x1021U;
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crcUserConfigPtr.complementChecksum = false;
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crcUserConfigPtr.reflectIn = false;
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crcUserConfigPtr.reflectOut = false;
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||||
// Init CRC module and then run it
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//! Note: We must init CRC module here, As we may seperate one crc calculation into several times
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||||
//! Note: It is better to use lock to ensure the integrity of current updating operation of crc calculation
|
||||
// in case crc module is shared by multiple crc updating requests at the same time
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||||
if (lengthInBytes)
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||||
{
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||||
lock_acquire();
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||||
CRC_Init(g_crcBase[0], &crcUserConfigPtr);
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CRC_WriteData(g_crcBase[0], src, lengthInBytes);
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crcUserConfigPtr.seed = CRC_Get16bitResult(g_crcBase[0]);
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lock_release();
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}
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crc16Config->currentCrc = crcUserConfigPtr.seed;
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}
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void crc16_finalize(crc16_data_t *crc16Config, uint16_t *hash)
|
||||
{
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assert(crc16Config);
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||||
assert(hash);
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||||
|
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*hash = crc16Config->currentCrc;
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||||
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// De-init CRC module when we complete a full crc calculation
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CRC_Deinit(g_crcBase[0]);
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}
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#else
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////////////////////////////////////////////////////////////////////////////////
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// Code
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////////////////////////////////////////////////////////////////////////////////
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void crc16_init(crc16_data_t *crc16Config)
|
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{
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assert(crc16Config);
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// initialize running crc and byte count
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crc16Config->currentCrc = 0;
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}
|
||||
|
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void crc16_update(crc16_data_t *crc16Config, const uint8_t *src, uint32_t lengthInBytes)
|
||||
{
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assert(crc16Config);
|
||||
assert(src);
|
||||
|
||||
uint32_t crc = crc16Config->currentCrc;
|
||||
|
||||
uint32_t j;
|
||||
for (j = 0; j < lengthInBytes; ++j)
|
||||
{
|
||||
uint32_t i;
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||||
uint32_t byte = src[j];
|
||||
crc ^= byte << 8;
|
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for (i = 0; i < 8; ++i)
|
||||
{
|
||||
uint32_t temp = crc << 1;
|
||||
if (crc & 0x8000)
|
||||
{
|
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temp ^= 0x1021;
|
||||
}
|
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crc = temp;
|
||||
}
|
||||
}
|
||||
|
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crc16Config->currentCrc = crc;
|
||||
}
|
||||
|
||||
void crc16_finalize(crc16_data_t *crc16Config, uint16_t *hash)
|
||||
{
|
||||
assert(crc16Config);
|
||||
assert(hash);
|
||||
|
||||
*hash = crc16Config->currentCrc;
|
||||
}
|
||||
#endif
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// EOF
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
199
src/crc/src/crc32.c
Normal file
199
src/crc/src/crc32.c
Normal file
@@ -0,0 +1,199 @@
|
||||
/*
|
||||
* Copyright (c) 2013 - 2014, Freescale Semiconductor, Inc.
|
||||
* All rights reserved.
|
||||
*
|
||||
* Redistribution and use in source and binary forms, with or without modification,
|
||||
* are permitted provided that the following conditions are met:
|
||||
*
|
||||
* o Redistributions of source code must retain the above copyright notice, this list
|
||||
* of conditions and the following disclaimer.
|
||||
*
|
||||
* o Redistributions in binary form must reproduce the above copyright notice, this
|
||||
* list of conditions and the following disclaimer in the documentation and/or
|
||||
* other materials provided with the distribution.
|
||||
*
|
||||
* o Neither the name of Freescale Semiconductor, Inc. nor the names of its
|
||||
* contributors may be used to endorse or promote products derived from this
|
||||
* software without specific prior written permission.
|
||||
*
|
||||
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
|
||||
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
|
||||
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
|
||||
* DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
|
||||
* ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
|
||||
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
|
||||
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
|
||||
* ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
|
||||
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
|
||||
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
|
||||
*/
|
||||
#include "bootloader_common.h"
|
||||
#include "crc/crc32.h"
|
||||
#include "utilities/fsl_assert.h"
|
||||
|
||||
#if !defined(BOOTLOADER_HOST)
|
||||
#include "fsl_device_registers.h"
|
||||
#include "utilities/fsl_rtos_abstraction.h"
|
||||
#endif // !BOOTLOADER_HOST
|
||||
|
||||
#if !defined(BOOTLOADER_HOST) && FSL_FEATURE_SOC_CRC_COUNT && !defined(BL_TARGET_RAM)
|
||||
#include "crc/fsl_crc.h"
|
||||
|
||||
/* Table of base addresses for crc instances. */
|
||||
static CRC_Type *const g_crcBase[1] = CRC_BASE_PTRS;
|
||||
|
||||
// initialize the members of the allocated crc32_data_t struct
|
||||
void crc32_init(crc32_data_t *crc32Config)
|
||||
{
|
||||
assert(crc32Config);
|
||||
|
||||
crc32Config->currentCrc = 0xffffffffU;
|
||||
crc32Config->byteCountCrc = 0;
|
||||
}
|
||||
|
||||
// "running" crc32 calculation
|
||||
void crc32_update(crc32_data_t *crc32Config, const uint8_t *src, uint32_t lengthInBytes)
|
||||
{
|
||||
assert(crc32Config);
|
||||
assert(src);
|
||||
|
||||
crc_config_t crcUserConfigPtr;
|
||||
|
||||
CRC_GetDefaultConfig(&crcUserConfigPtr);
|
||||
|
||||
crcUserConfigPtr.crcBits = kCrcBits32;
|
||||
crcUserConfigPtr.seed = crc32Config->currentCrc;
|
||||
crcUserConfigPtr.polynomial = 0x04c11db7U;
|
||||
crcUserConfigPtr.complementChecksum = false;
|
||||
crcUserConfigPtr.reflectIn = false;
|
||||
crcUserConfigPtr.reflectOut = false;
|
||||
|
||||
// Init CRC module and then run it
|
||||
//! Note: We must init CRC module here, As we may seperate one crc calculation into several times
|
||||
//! Note: It is better to use lock to ensure the integrity of current updating operation of crc calculation
|
||||
// in case crc module is shared by multiple crc updating requests at the same time
|
||||
if (lengthInBytes)
|
||||
{
|
||||
lock_acquire();
|
||||
CRC_Init(g_crcBase[0], &crcUserConfigPtr);
|
||||
CRC_WriteData(g_crcBase[0], src, lengthInBytes);
|
||||
crcUserConfigPtr.seed = CRC_Get32bitResult(g_crcBase[0]);
|
||||
lock_release();
|
||||
}
|
||||
|
||||
crc32Config->currentCrc = crcUserConfigPtr.seed;
|
||||
crc32Config->byteCountCrc += lengthInBytes;
|
||||
}
|
||||
|
||||
// finalize the crc32 calculation for non-word-aligned counts
|
||||
void crc32_finalize(crc32_data_t *crc32Config, uint32_t *hash)
|
||||
{
|
||||
assert(crc32Config);
|
||||
assert(hash);
|
||||
|
||||
uint32_t extraBytes = crc32Config->byteCountCrc % 4;
|
||||
|
||||
// pad with zeroes
|
||||
if (extraBytes)
|
||||
{
|
||||
uint8_t temp[3] = { 0, 0, 0 };
|
||||
crc32_update(crc32Config, temp, 4 - extraBytes);
|
||||
}
|
||||
|
||||
*hash = crc32Config->currentCrc;
|
||||
|
||||
// De-init CRC module when we complete a full crc calculation
|
||||
CRC_Deinit(g_crcBase[0]);
|
||||
}
|
||||
#else
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Variables
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
//! Table of CRC-32's of all single byte values. The values in
|
||||
//! this table are those used in the Ethernet CRC algorithm.
|
||||
static const uint32_t s_crc32Table[] = {
|
||||
0x00000000, 0x04c11db7, 0x09823b6e, 0x0d4326d9, 0x130476dc, 0x17c56b6b, 0x1a864db2, 0x1e475005, 0x2608edb8,
|
||||
0x22c9f00f, 0x2f8ad6d6, 0x2b4bcb61, 0x350c9b64, 0x31cd86d3, 0x3c8ea00a, 0x384fbdbd, 0x4c11db70, 0x48d0c6c7,
|
||||
0x4593e01e, 0x4152fda9, 0x5f15adac, 0x5bd4b01b, 0x569796c2, 0x52568b75, 0x6a1936c8, 0x6ed82b7f, 0x639b0da6,
|
||||
0x675a1011, 0x791d4014, 0x7ddc5da3, 0x709f7b7a, 0x745e66cd, 0x9823b6e0, 0x9ce2ab57, 0x91a18d8e, 0x95609039,
|
||||
0x8b27c03c, 0x8fe6dd8b, 0x82a5fb52, 0x8664e6e5, 0xbe2b5b58, 0xbaea46ef, 0xb7a96036, 0xb3687d81, 0xad2f2d84,
|
||||
0xa9ee3033, 0xa4ad16ea, 0xa06c0b5d, 0xd4326d90, 0xd0f37027, 0xddb056fe, 0xd9714b49, 0xc7361b4c, 0xc3f706fb,
|
||||
0xceb42022, 0xca753d95, 0xf23a8028, 0xf6fb9d9f, 0xfbb8bb46, 0xff79a6f1, 0xe13ef6f4, 0xe5ffeb43, 0xe8bccd9a,
|
||||
0xec7dd02d, 0x34867077, 0x30476dc0, 0x3d044b19, 0x39c556ae, 0x278206ab, 0x23431b1c, 0x2e003dc5, 0x2ac12072,
|
||||
0x128e9dcf, 0x164f8078, 0x1b0ca6a1, 0x1fcdbb16, 0x018aeb13, 0x054bf6a4, 0x0808d07d, 0x0cc9cdca, 0x7897ab07,
|
||||
0x7c56b6b0, 0x71159069, 0x75d48dde, 0x6b93dddb, 0x6f52c06c, 0x6211e6b5, 0x66d0fb02, 0x5e9f46bf, 0x5a5e5b08,
|
||||
0x571d7dd1, 0x53dc6066, 0x4d9b3063, 0x495a2dd4, 0x44190b0d, 0x40d816ba, 0xaca5c697, 0xa864db20, 0xa527fdf9,
|
||||
0xa1e6e04e, 0xbfa1b04b, 0xbb60adfc, 0xb6238b25, 0xb2e29692, 0x8aad2b2f, 0x8e6c3698, 0x832f1041, 0x87ee0df6,
|
||||
0x99a95df3, 0x9d684044, 0x902b669d, 0x94ea7b2a, 0xe0b41de7, 0xe4750050, 0xe9362689, 0xedf73b3e, 0xf3b06b3b,
|
||||
0xf771768c, 0xfa325055, 0xfef34de2, 0xc6bcf05f, 0xc27dede8, 0xcf3ecb31, 0xcbffd686, 0xd5b88683, 0xd1799b34,
|
||||
0xdc3abded, 0xd8fba05a, 0x690ce0ee, 0x6dcdfd59, 0x608edb80, 0x644fc637, 0x7a089632, 0x7ec98b85, 0x738aad5c,
|
||||
0x774bb0eb, 0x4f040d56, 0x4bc510e1, 0x46863638, 0x42472b8f, 0x5c007b8a, 0x58c1663d, 0x558240e4, 0x51435d53,
|
||||
0x251d3b9e, 0x21dc2629, 0x2c9f00f0, 0x285e1d47, 0x36194d42, 0x32d850f5, 0x3f9b762c, 0x3b5a6b9b, 0x0315d626,
|
||||
0x07d4cb91, 0x0a97ed48, 0x0e56f0ff, 0x1011a0fa, 0x14d0bd4d, 0x19939b94, 0x1d528623, 0xf12f560e, 0xf5ee4bb9,
|
||||
0xf8ad6d60, 0xfc6c70d7, 0xe22b20d2, 0xe6ea3d65, 0xeba91bbc, 0xef68060b, 0xd727bbb6, 0xd3e6a601, 0xdea580d8,
|
||||
0xda649d6f, 0xc423cd6a, 0xc0e2d0dd, 0xcda1f604, 0xc960ebb3, 0xbd3e8d7e, 0xb9ff90c9, 0xb4bcb610, 0xb07daba7,
|
||||
0xae3afba2, 0xaafbe615, 0xa7b8c0cc, 0xa379dd7b, 0x9b3660c6, 0x9ff77d71, 0x92b45ba8, 0x9675461f, 0x8832161a,
|
||||
0x8cf30bad, 0x81b02d74, 0x857130c3, 0x5d8a9099, 0x594b8d2e, 0x5408abf7, 0x50c9b640, 0x4e8ee645, 0x4a4ffbf2,
|
||||
0x470cdd2b, 0x43cdc09c, 0x7b827d21, 0x7f436096, 0x7200464f, 0x76c15bf8, 0x68860bfd, 0x6c47164a, 0x61043093,
|
||||
0x65c52d24, 0x119b4be9, 0x155a565e, 0x18197087, 0x1cd86d30, 0x029f3d35, 0x065e2082, 0x0b1d065b, 0x0fdc1bec,
|
||||
0x3793a651, 0x3352bbe6, 0x3e119d3f, 0x3ad08088, 0x2497d08d, 0x2056cd3a, 0x2d15ebe3, 0x29d4f654, 0xc5a92679,
|
||||
0xc1683bce, 0xcc2b1d17, 0xc8ea00a0, 0xd6ad50a5, 0xd26c4d12, 0xdf2f6bcb, 0xdbee767c, 0xe3a1cbc1, 0xe760d676,
|
||||
0xea23f0af, 0xeee2ed18, 0xf0a5bd1d, 0xf464a0aa, 0xf9278673, 0xfde69bc4, 0x89b8fd09, 0x8d79e0be, 0x803ac667,
|
||||
0x84fbdbd0, 0x9abc8bd5, 0x9e7d9662, 0x933eb0bb, 0x97ffad0c, 0xafb010b1, 0xab710d06, 0xa6322bdf, 0xa2f33668,
|
||||
0xbcb4666d, 0xb8757bda, 0xb5365d03, 0xb1f740b4
|
||||
};
|
||||
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// Code
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
|
||||
// initialize the members of the allocated crc32_data_t struct
|
||||
void crc32_init(crc32_data_t *crc32Config)
|
||||
{
|
||||
// initialize running crc and byte count
|
||||
crc32Config->currentCrc = 0xFFFFFFFF;
|
||||
crc32Config->byteCountCrc = 0;
|
||||
}
|
||||
|
||||
// "running" crc32 calculation
|
||||
void crc32_update(crc32_data_t *crc32Config, const uint8_t *src, uint32_t lengthInBytes)
|
||||
{
|
||||
assert(src);
|
||||
uint32_t crc = crc32Config->currentCrc;
|
||||
crc32Config->byteCountCrc += lengthInBytes;
|
||||
|
||||
while (lengthInBytes--)
|
||||
{
|
||||
uint8_t c = *src++ & 0xff;
|
||||
crc = (crc << 8) ^ s_crc32Table[(crc >> 24) ^ c];
|
||||
}
|
||||
|
||||
crc32Config->currentCrc = crc;
|
||||
}
|
||||
|
||||
// finalize the crc32 calculation for non-word-aligned counts
|
||||
void crc32_finalize(crc32_data_t *crc32Config, uint32_t *hash)
|
||||
{
|
||||
uint32_t crc = crc32Config->currentCrc;
|
||||
uint32_t byteCount = crc32Config->byteCountCrc;
|
||||
|
||||
// pad with zeroes
|
||||
if (byteCount % 4)
|
||||
{
|
||||
uint32_t i;
|
||||
for (i = byteCount % 4; i < 4; i++)
|
||||
{
|
||||
crc = (crc << 8) ^ s_crc32Table[(crc >> 24) ^ 0];
|
||||
}
|
||||
}
|
||||
|
||||
crc32Config->currentCrc = crc;
|
||||
|
||||
*hash = crc32Config->currentCrc;
|
||||
}
|
||||
#endif
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
// EOF
|
||||
////////////////////////////////////////////////////////////////////////////////
|
||||
Reference in New Issue
Block a user