Commit 0c5af6f2 authored by Duy Vo's avatar Duy Vo Committed by Benjamin Cabé
Browse files

crc: initial support for CRC subsystem 



Migrate support from crc library to new crc subsystem
Add hardware acclerator backend for crc subsystem

Signed-off-by: default avatarDuy Vo <duy.vo.xc@bp.renesas.com>
parent 13269994

MAINTAINERS.yml

+11 −1
Original line number Diff line number Diff line
@@ -823,6 +823,17 @@ CMSIS-NN integration: 
  tests:

    - libraries.cmsis_nn



CRC:

  status: maintained

  maintainers:

    - thenguyenyf

  files:

    - include/zephyr/sys/crc.h

    - subsys/crc/

    - tests/subsys/crc/

  labels:

    - "area: CRC"



Cache:

  status: maintained

  maintainers:
@@ -4924,7 +4935,6 @@ Utilities: 
    - dcpleung

    - peter-mitsis

  files:

    - lib/crc/

    - lib/utils/

    - tests/unit/timeutil/

    - tests/unit/time_units/

include/zephyr/sys/crc.h

+45 −0
Original line number Diff line number Diff line
@@ -51,6 +51,51 @@ extern "C" { 
 * @{

 */



/**

 * @brief CRC polynomial definitions

 * @anchor CRC_POLYNOMIAL

 *

 * @{

 */



/** CRC4 polynomial */

#define CRC4_POLY 0x3



/** CRC4_TI polynomial */

#define CRC4_REFLECT_POLY 0xC



/** CRC7_BE polynomial */

#define CRC7_BE_POLY 0x09



/** CRC8 polynomial */

#define CRC8_POLY 0x07



/** CRC8_CCITT polynomial */

#define CRC8_REFLECT_POLY 0xE0



/** CRC8_ROHC polynomial */

#define CRC16_POLY 0x8005



/** CRC16_ANSI polynomial */

#define CRC16_REFLECT_POLY 0xA001



/** CRC16_CCITT polynomial */

#define CRC16_CCITT_POLY 0x1021



/** CRC16_ITU_T polynomial */

#define CRC24_PGP_POLY 0x01864CFBU



/** CRC32_C polynomial */

#define CRC32_IEEE_POLY 0x04C11DB7U



/** CRC32C polynomial */

#define CRC32C_POLY 0x1EDC6F41U



/** CRC32_K_4_2 polynomial */

#define CRC32K_4_2_POLY 0x93A409EBU



/** @} */



/**

 * @brief CRC algorithm enumeration

 *

lib/CMakeLists.txt

+0 −1
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@@ -3,7 +3,6 @@ 
# FIXME: SHADOW_VARS: Remove this once we have enabled -Wshadow globally.

add_compile_options($<TARGET_PROPERTY:compiler,warning_shadow_variables>)



add_subdirectory(crc)

add_subdirectory(libc)

if(NOT CONFIG_NATIVE_LIBC)

add_subdirectory(posix)

lib/Kconfig

+0 −2
Original line number Diff line number Diff line
@@ -7,8 +7,6 @@ source "lib/libc/Kconfig" 


source "lib/cpp/Kconfig"



source "lib/crc/Kconfig"



menu "Additional libraries"



source "lib/hash/Kconfig"

lib/crc/CMakeLists.txt

deleted100644 → 0
+0 −13
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# SPDX-License-Identifier: Apache-2.0



zephyr_sources_ifdef(CONFIG_CRC

  crc32k_4_2_sw.c

  crc32c_sw.c

  crc32_sw.c

  crc24_sw.c

  crc16_sw.c

  crc8_sw.c

  crc7_sw.c

  crc4_sw.c

  )

zephyr_sources_ifdef(CONFIG_CRC_SHELL crc_shell.c)

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