CMSIS: Revision History

| CMSIS Version 5.7.0 Software Interface Standard for Arm Cortex-based Microcontrollers

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Revision History

The following table shows the overall high-level history of the various CMSIS releases. In addition, each CMSIS component has its own release history:

- Core (Cortex-M) Revision History
- Core (Cortex-A) Revision History
- Driver Revision History
- DSP Revision History (Change Log)
- NN Revision History (Change Log)
- RTOS v1 Revision History
- RTOS v2 Revision History
- Pack Revision History
- SVD Revision History
- DAP Revision History
- Zone Revision History

Version | Description
--- | ---

5.7.0

- CMSIS-Build 0.9.0 (beta)
  - Draft for CMSIS Project description (CPRJ)
- CMSIS-Core (Cortex-M) 5.4.0
  - Cortex-M55 cpu support
  - Enhanced MVE support for Armv8.1-MML
  - Fixed device config define checks.
  - L1 Cache functions for Armv7-M and later
- CMSIS-Core (Cortex-A) 1.2.0
  - Fixed GIC_SetPendingIRQ to use GICD_SGIR
  - Added missing DSP intrinsics
  - Reworked assembly intrinsics: volatile, barriers and clobber
- CMSIS-Driver 2.8.0
  - Added VIO API 0.1.0 (preview)
- CMSIS-DSP 1.8.0
  - Added new functions and function groups
  - Added MVE support
- CMSIS-NN 1.3.0
  - Added MVE support
  - Further optimizations for kernels using DSP extension
- CMSIS-RTOS 2.1.3 (unchanged)
  - RTX 5.5.2 (see revision history for details)
- CMSIS-Pack 1.6.3
  - deprecating all types specific to cpdsc format. Cpdsc is replaced by Cprj with dedicated schema.
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 (unchanged)
- CMSIS-Zone 1.0.0
- Devices
  - ARMCM55 device
  - ARMv81MML startup code recognizing __MVE_USED macro
  - Refactored vector table references for all Cortex-M devices
  - Reworked ARMCM* C-StartUp files.
  - Include L1 Cache functions in ARMv8MML/ARMv81MML devices
- Utilities Attention: Linux binaries moved to Linux64 folder!
  - SVDConv 3.3.35
  - PackChk 1.3.89

5.6.0

- CMSIS-Core (Cortex-M) 5.3.0
  - Added provisions for compiler-independent C startup code.
- CMSIS-Core (Cortex-A) 1.1.4
  - Fixed __FPU_Enable.
- CMSIS-Driver 2.7.1
  - Finalized WiFi Interface API 1.0.0
- CMSIS-DSP 1.7.0 (see revision history for details)
  - New Neon versions of f32 functions
  - Compilation flags for FFTs
- CMSIS-NN 1.2.0 (unchanged)
- CMSIS-RTOS1 1.03 (unchanged)
  - RTX 4.82.0 (see revision history for details)
- CMSIS-RTOS 2.1.3 (unchanged)
  - RTX 5.5.1 (see revision history for details)
- CMSIS-Pack 1.6.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 (unchanged)
- CMSIS-Zone 0.12.0 (preview)
  - Completely reworked
- Devices
  - Generalized C startup code for all Cortex-M family devices.
  - Updated Cortex-A memory regions and system configuration files.
- Utilities
  - SVDConv 3.3.27
  - PackChk 1.3.82 (unchanged)

5.5.1

- CMSIS-Core (Cortex-M) 5.2.1
  - Fixed compilation issue in cmsis_armclang_ltm.h
- CMSIS-Core (Cortex-A) 1.1.3 (unchanged)
- CMSIS-Driver 2.7.0 (unchanged)
- CMSIS-DSP 1.6.0 (unchanged)
- CMSIS-NN 1.1.0 (unchanged)
- CMSIS-RTOS 2.1.3 (unchanged)
  - RTX 5.5.0 (unchanged)
- CMSIS-Pack 1.6.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 (unchanged)
- CMSIS-Zone 0.9.0 (unchanged)

5.5.0

- CMSIS-Core (Cortex-M) 5.2.0
  - Reworked Stack/Heap configuration for ARM startup files.
  - Added Cortex-M35P device support.
  - Added generic Armv8.1-M Mainline device support.
- CMSIS-Core (Cortex-A) 1.1.3 Minor fixes.
- CMSIS-DSP 1.6.0
  - reworked DSP library source files
    - added macro ARM_MATH_LOOPUNROLL
    - removed macro UNALIGNED_SUPPORT_DISABLE
    - added const-correctness
    - replaced SIMD pointer construct with memcopy solution
    - replaced macro combination "CMSIS_INLINE __STATIC_INLINE with "__STATIC_FORCEINLINE"
  - reworked DSP library documentation
  - Changed DSP folder structure
    - moved DSP libraries to ./DSP/Lib
  - moved DSP libraries to folder ./DSP/Lib
  - ARM DSP Libraries are built with ARMCLANG
  - Added DSP Libraries Source variant
- CMSIS-NN 1.1.0 (unchanged)
- CMSIS-Driver 2.7.0
  - Added WiFi Interface API 1.0.0-beta
  - Added custom driver selection to simplify implementation of new CMSIS-Driver
- CMSIS-RTOS 2.1.3
  - RTX 5.5.0 (see revision history)
- CMSIS-Pack 1.6.0
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 (unchanged)
- CMSIS-Zone 0.9.0 (Preview)
- Devices
  - Added Cortex-M35P and ARMv81MML device templates.
  - Fixed C-Startup Code for GCC (aligned with other compilers)
    - Moved call to SystemInit before memory initialization.
- Utilities
  - SVDConv 3.3.25
  - PackChk 1.3.82

5.4.0

- CMSIS-Core (Cortex-M) 5.1.2 Minor fixes and slight enhancements, e.g. beta for Cortex-M1.
- CMSIS-Core (Cortex-A) 1.1.2 Minor fixes.
- CMSIS-Driver 2.6.0 (unchanged)
- CMSIS-DSP 1.5.2 (unchanged)
- CMSIS-NN 1.1.0 Added new math function (see revision history)
- CMSIS-RTOS 2.1.3 Relaxed interrupt usage.
  - RTX 5.4.0 (see revision history)
- CMSIS-Pack 1.5.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 (unchanged)
- CMSIS-Zone 0.0.1 (unchanged)

5.3.0

- CMSIS-Core (Cortex-M) 5.1.1
- CMSIS-Core (Cortex-A) 1.1.1
- CMSIS-Driver 2.6.0 (unchanged)
- CMSIS-DSP 1.5.2 (unchanged)
- CMSIS-NN 1.0.0 Initial contribution of Neural Network Library.
- CMSIS-RTOS 2.1.2 (unchanged)
- CMSIS-Pack 1.5.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 2.0.0 Communication via WinUSB to achieve high-speed transfer rates.
- CMSIS-Zone 0.0.1 (unchanged)

5.2.0

- CMSIS-Core (Cortex-M) 5.1.0 MPU functions for ARMv8-M, cmsis_iccarm.h replacing cmsis_iar.h
- CMSIS-Core (Cortex-A) 1.1.0 cmsis_iccarm.h, additional physical timer access functions
- CMSIS-Driver 2.6.0 Enhanced CAN and NAND driver interface.
- CMSIS-DSP 1.5.2 Fixed diagnostics and moved SSAT/USST intrinsics to CMSIS-Core.
- CMSIS-RTOS 2.1.2 Relaxed some ISR-callable restrictions.
- CMSIS-Pack 1.5.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 1.2.0 (unchanged)
- CMSIS-Zone 0.0.1 (unchanged)

5.1.1

- CMSIS-Core (Cortex-M) (unchanged)
- CMSIS-Core (Cortex-A) (unchanged)
- CMSIS-Driver 2.05 (unchanged)
- CMSIS-DSP 1.5.2 (unchanged)
- CMSIS-RTOS 2.1.1 Fixed RTX5 pre-built libraries for Cortex-M.
- CMSIS-Pack 1.5.0 (unchanged)
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 1.1.0 (unchanged)
- CMSIS-Zone 0.0.1 (unchanged)

5.1.0

- CMSIS-Core (Cortex-M) 5.0.2 several minor corrections and enhancements
- CMSIS-Core (Cortex-A) 1.0.0 implements a basic run-time system for Cortex-A5/A7/A9
- CMSIS-Driver 2.05 status typedef made volatile
- CMSIS-DSP 1.5.2 fixed GNU Compiler specific diagnostics
- CMSIS-RTOS 2.1.1 added support for Cortex-A5/A7/A9 to RTX5
- CMSIS-Pack 1.5.0 added SDF format specification
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 1.1.0 (unchanged)
- CMSIS-Zone 0.0.1 (Preview) format to describe system resources and tool for partitioning of resources

5.0.1

- CMSIS-Core 5.0.1 added __PACKED_STRUCT macro and uVisor support
- CMSIS-Driver 2.05 updated all typedefs related to status now being volatile.
- CMSIS-DSP 1.5.1 added ARMv8M DSP libraries
- CMSIS-RTOS 2.1.0 added support for critical and uncritical sections
- CMSIS-Pack 1.4.8 add Pack Index File specification
- CMSIS-SVD 1.3.3 (unchanged)
- CMSIS-DAP 1.1.0 (unchanged)

5.0.0

Added support for: ARMv8-M architecture including TrustZone for ARMv8-M and Cortex-M23, Cortex-M33 processors

- CMSIS-Core (Cortex-M) 5.0.0 added support for ARMv8-M and Cortex-M23, Cortex-M33 processors
- CMSIS-Driver 2.04.0 (unchanged)
- CMSIS-DSP 1.4.9 minor corrections and performance improvements
- CMSIS-RTOS 2.0.0 new API with RTX 5.0.0 reference implementation and corrections in RTX 4.8.2
- CMSIS-Pack 1.4.4 introducing CPDSC project description
- CMSIS-SVD 1.3.3 several enhancements and rework of documentation
- CMSIS-DAP 1.1.0 (unchanged)

4.5.0

Maintenance release that is fixing defects. See component's revision history for more details. See component's revision history for more details.

- CMSIS-Core (Cortex-M) 4.30.0
- CMSIS-DAP 1.1.0 (unchanged)
- CMSIS-Driver 2.04.0
- CMSIS-DSP 1.4.7
- CMSIS-Pack 1.4.1
- CMSIS-RTOS RTX 4.80.0
- CMSIS-SVD 1.3.1

4.4.0

Feature release adding CMSIS-DAP (see extended End User Licence Agreement) and CMSIS-Driver for CAN. See component's revision history for more details.

- CMSIS-Core (Cortex-M) 4.20.0
- CMSIS-DAP 1.1.0
- CMSIS-Driver 2.03.0
- CMSIS-DSP 1.4.5 (unchanged)
- CMSIS-RTOS RTX 4.79.0
- CMSIS-Pack 1.4.0
- CMSIS-SVD 1.3.0

4.3.0

Maintenance release adding SAI CMSIS-Driver and fixing defects. See component's revision history for more details.

- CMSIS-Core (Cortex-M) 4.10.0
- CMSIS-Driver 2.02.0
- CMSIS-DSP 1.4.5
- CMSIS-RTOS RTX 4.78.0
- CMSIS-Pack 1.3.3
- CMSIS-SVD (unchanged)

4.2 | Introducing processor support for Cortex-M7.
4.1 | Enhancements in CMSIS-Pack and CMSIS-Driver. Added: PackChk validation utility Removed support for GNU: Sourcery G++ Lite Edition for ARM
4.0 | First release in CMSIS-Pack format. Added specifications for CMSIS-Pack, CMSIS-Driver
3.30 | Maintenance release with enhancements in each component
3.20 | Maintenance release with enhancements in each component
3.01 | Added support for Cortex-M0+ processors
3.00 | Added support for SC000 and SC300 processors Added support for GNU GCC Compiler Added CMSIS-RTOS API
2.10 | Added CMSIS-DSP Library
2.0 | Added support for Cortex-M4 processor
1.30 | Reworked CMSIS startup concept
1.01 | Added support for Cortex-M0 processor
1.00 | Initial release of CMSIS-Core (Cortex-M) for Cortex-M3 processor