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130 <div class="headertitle"><div class="title">Revision History </div></div>
132 <div class="contents">
133 <div class="textblock"><p><a class="anchor" id="md_src_revision_history"></a> The table on this page provides high-level overview of the CMSIS Base Software release history. In addition, each component of the CMSIS Base software has its own release history:</p><ul>
134 <li><a href="../../Core/html/core_revisionHistory.html"><b>CMSIS-Core (Cortex-M) Revision History</b></a></li>
135 <li><a href="../../Core_A/html/rev_histCoreA.html"><b>CMSIS-Core (Cortex-A) Revision History</b></a></li>
136 <li><a href="../../Driver/html/driver_revisionHistory.html"><b>CMSIS-Driver Revision History</b></a></li>
137 <li><a href="../../RTOS2/html/rtos_revisionHistory.html"><b>CMSIS-RTOS2 Revision History</b></a></li>
139 <p>Release history of other CMSIS components and tools can be found in their documentation referenced in <a class="el" href="index.html#cmsis_components">CMSIS Components</a>.</p>
140 <table class="cmtable" summary="Revision History">
142 <th>Version </th><th>Description </th></tr>
144 <td>6.0.0-dev </td><td>In development.<ul>
145 <li>CMSIS-Core(A):</li>
146 <li>CMSIS-Core(M):</li>
147 <li>CMSIS-Driver:</li>
155 <td>5.9.0 </td><td><ul>
156 <li>CMSIS-Core(M): 5.6.0 (see revision history for details)<ul>
157 <li>Arm Cortex-M85 cpu support</li>
158 <li>Arm China STAR-MC1 cpu support</li>
159 <li>Updated system_ARMCM55.c</li>
162 <li>CMSIS-Core(A): 1.2.1 (unchanged)</li>
163 <li>CMSIS-Driver: 2.8.0 (unchanged)</li>
164 <li>CMSIS-DSP: 1.10.0 (see revision history for details)</li>
165 <li>CMSIS-NN: 3.1.0 (see revision history for details)<ul>
166 <li>Support for int16 convolution and fully connected for reference implementation</li>
167 <li>Support for DSP extension optimization for int16 convolution and fully connected</li>
168 <li>Support dilation for int8 convolution</li>
169 <li>Support dilation for int8 depthwise convolution</li>
170 <li>Support for int16 depthwise conv for reference implementation including dilation</li>
171 <li>Support for int16 average and max pooling for reference implementation</li>
172 <li>Support for elementwise add and mul int16 scalar version</li>
173 <li>Support for softmax int16 scalar version</li>
174 <li>Support for SVDF with 8 bit state tensor</li>
177 <li>CMSIS-RTOS2: 2.1.3 (unchanged)<ul>
178 <li>RTX 5.5.4 (see revision history for details)</li>
181 <li>CMSIS-Pack: deprecated (moved to Open-CMSIS-Pack)</li>
182 <li>CMSIS-Build: deprecated (moved to CMSIS-Toolbox in Open-CMSIS-Pack)</li>
183 <li>CMSIS-SVD: 1.3.9 (see revision history for details)</li>
184 <li>CMSIS-DAP: 2.1.1 (see revision history for details)<ul>
185 <li>Allow default clock frequency to use fast clock mode</li>
188 <li>CMSIS-Zone: 1.0.0 (unchanged)</li>
190 <li>Support for Cortex-M85</li>
194 <li>SVDConv 3.3.42</li>
195 <li>PackChk 1.3.95 </li>
201 <td>5.8.0 </td><td><ul>
202 <li>CMSIS-Build 0.10.0 (beta)<ul>
203 <li>Enhancements (see revision history for details)</li>
206 <li>CMSIS-Core (Cortex-M) 5.5.0<ul>
207 <li>Updated GCC LinkerDescription, GCC Assembler startup</li>
208 <li>Added ARMv8-M Stack Sealing (to linker, startup) for toolchain ARM, GCC</li>
209 <li>Changed C-Startup to default Startup.</li>
212 <li>CMSIS-Core (Cortex-A) 1.2.1</li>
213 <li>CMSIS-Driver 2.8.0 (unchanged)</li>
214 <li>CMSIS-DSP 1.9.0<ul>
215 <li>Purged pre-built libs from Git</li>
218 <li>CMSIS-NN 3.0.0<ul>
219 <li>Major interface change for functions compatible with TensorFlow Lite for Microcontroller</li>
220 <li>Added optimization for SVDF kernel</li>
221 <li>Improved MVE performance for fully Connected and max pool operator</li>
222 <li>NULL bias support for fully connected operator in non-MVE case(Can affect performance)</li>
223 <li>Expanded existing unit test suite along with support for FVP</li>
226 <li>CMSIS-RTOS 2.1.3 (unchanged)<ul>
227 <li>RTX 5.5.3 (see revision history for details)</li>
230 <li>CMSIS-Pack 1.7.2<ul>
231 <li>Support for Microchip XC32 compiler</li>
232 <li>Support for Custom Datapath Extension</li>
235 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
236 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
237 <li>CMSIS-Zone 1.0.0 (unchanged)</li>
240 <li>SVDConv 3.3.35</li>
241 <li>PackChk 1.3.89 </li>
247 <td>5.7.0 </td><td><ul>
248 <li>CMSIS-Build 0.9.0 (beta)<ul>
249 <li>Draft for CMSIS Project description (CPRJ)</li>
252 <li>CMSIS-Core (Cortex-M) 5.4.0<ul>
253 <li>Cortex-M55 cpu support</li>
254 <li>Enhanced MVE support for Armv8.1-MML</li>
255 <li>Fixed device config define checks.</li>
256 <li>L1 Cache functions for Armv7-M and later</li>
259 <li>CMSIS-Core (Cortex-A) 1.2.0<ul>
260 <li>Fixed GIC_SetPendingIRQ to use GICD_SGIR</li>
261 <li>Added missing DSP intrinsics</li>
262 <li>Reworked assembly intrinsics: volatile, barriers and clobber</li>
265 <li>CMSIS-Driver 2.8.0<ul>
266 <li>Added VIO API 0.1.0 (preview)</li>
269 <li>CMSIS-DSP 1.8.0<ul>
270 <li>Added new functions and function groups</li>
271 <li>Added MVE support</li>
274 <li>CMSIS-NN 1.3.0<ul>
275 <li>Added MVE support</li>
276 <li>Further optimizations for kernels using DSP extension</li>
279 <li>CMSIS-RTOS 2.1.3 (unchanged)<ul>
280 <li>RTX 5.5.2 (see revision history for details)</li>
283 <li>CMSIS-Pack 1.6.3<ul>
284 <li>deprecating all types specific to cpdsc format. Cpdsc is replaced by Cprj with dedicated schema.</li>
287 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
288 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
289 <li>CMSIS-Zone 1.0.0</li>
291 <li>ARMCM55 device</li>
292 <li>ARMv81MML startup code recognizing __MVE_USED macro</li>
293 <li>Refactored vector table references for all Cortex-M devices</li>
294 <li>Reworked ARMCM* C-StartUp files.</li>
295 <li>Include L1 Cache functions in ARMv8MML/ARMv81MML devices</li>
298 <li>Utilities Attention: Linux binaries moved to Linux64 folder!<ul>
299 <li>SVDConv 3.3.35</li>
300 <li>PackChk 1.3.89 </li>
306 <td>5.6.0 </td><td><ul>
307 <li>CMSIS-Core (Cortex-M) 5.3.0<ul>
308 <li>Added provisions for compiler-independent C startup code.</li>
311 <li>CMSIS-Core (Cortex-A) 1.1.4<ul>
312 <li>Fixed __FPU_Enable.</li>
315 <li>CMSIS-Driver 2.7.1<ul>
316 <li>Finalized WiFi Interface API 1.0.0</li>
319 <li>CMSIS-DSP 1.7.0 (see revision history for details)<ul>
320 <li>New Neon versions of f32 functions</li>
321 <li>Compilation flags for FFTs</li>
324 <li>CMSIS-NN 1.2.0 (unchanged)</li>
325 <li>CMSIS-RTOS1 1.03 (unchanged)<ul>
326 <li>RTX 4.82.0 (see revision history for details)</li>
329 <li>CMSIS-RTOS 2.1.3 (unchanged)<ul>
330 <li>RTX 5.5.1 (see revision history for details)</li>
333 <li>CMSIS-Pack 1.6.0 (unchanged)</li>
334 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
335 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
336 <li>CMSIS-Zone 0.12.0 (preview)<ul>
337 <li>Completely reworked</li>
341 <li>Generalized C startup code for all Cortex-M family devices.</li>
342 <li>Updated Cortex-A memory regions and system configuration files.</li>
346 <li>SVDConv 3.3.27</li>
347 <li>PackChk 1.3.82 (unchanged) </li>
353 <td>5.5.1 </td><td><ul>
354 <li>CMSIS-Core (Cortex-M) 5.2.1<ul>
355 <li>Fixed compilation issue in cmsis_armclang_ltm.h</li>
358 <li>CMSIS-Core (Cortex-A) 1.1.3 (unchanged)</li>
359 <li>CMSIS-Driver 2.7.0 (unchanged)</li>
360 <li>CMSIS-DSP 1.6.0 (unchanged)</li>
361 <li>CMSIS-NN 1.1.0 (unchanged)</li>
362 <li>CMSIS-RTOS 2.1.3 (unchanged)<ul>
363 <li>RTX 5.5.0 (unchanged)</li>
366 <li>CMSIS-Pack 1.6.0 (unchanged)</li>
367 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
368 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
369 <li>CMSIS-Zone 0.9.0 (unchanged) </li>
373 <td>5.5.0 </td><td><ul>
374 <li>CMSIS-Core (Cortex-M) 5.2.0<ul>
375 <li>Reworked Stack/Heap configuration for ARM startup files.</li>
376 <li>Added Cortex-M35P device support.</li>
377 <li>Added generic Armv8.1-M Mainline device support.</li>
380 <li>CMSIS-Core (Cortex-A) 1.1.3 Minor fixes.</li>
381 <li>CMSIS-DSP 1.6.0<ul>
382 <li>reworked DSP library source files<ul>
383 <li>added macro ARM_MATH_LOOPUNROLL</li>
384 <li>removed macro UNALIGNED_SUPPORT_DISABLE</li>
385 <li>added const-correctness</li>
386 <li>replaced SIMD pointer construct with memcopy solution</li>
387 <li>replaced macro combination <code>CMSIS_INLINE __STATIC_INLINE</code> with <code>__STATIC_FORCEINLINE</code></li>
390 <li>reworked DSP library documentation</li>
391 <li>Changed DSP folder structure<ul>
392 <li>moved DSP libraries to ./DSP/Lib</li>
395 <li>moved DSP libraries to folder ./DSP/Lib</li>
396 <li>ARM DSP Libraries are built with ARMCLANG</li>
397 <li>Added DSP Libraries Source variant</li>
400 <li>CMSIS-NN 1.1.0 (unchanged)</li>
401 <li>CMSIS-Driver 2.7.0<ul>
402 <li>Added WiFi Interface API 1.0.0-beta</li>
403 <li>Added custom driver selection to simplify implementation of new CMSIS-Driver</li>
406 <li>CMSIS-RTOS 2.1.3<ul>
407 <li>RTX 5.5.0 (see revision history)</li>
410 <li>CMSIS-Pack 1.6.0</li>
411 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
412 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
413 <li>CMSIS-Zone 0.9.0 (Preview)</li>
415 <li>Added Cortex-M35P and ARMv81MML device templates.</li>
416 <li>Fixed C-Startup Code for GCC (aligned with other compilers)<ul>
417 <li>Moved call to SystemInit before memory initialization.</li>
423 <li>SVDConv 3.3.25</li>
424 <li>PackChk 1.3.82 </li>
430 <td>5.4.0 </td><td><ul>
431 <li>CMSIS-Core (Cortex-M) 5.1.2 Minor fixes and slight enhancements, e.g. beta for Cortex-M1.</li>
432 <li>CMSIS-Core (Cortex-A) 1.1.2 Minor fixes.</li>
433 <li>CMSIS-Driver 2.6.0 (unchanged)</li>
434 <li>CMSIS-DSP 1.5.2 (unchanged)</li>
435 <li>CMSIS-NN 1.1.0 Added new math function (see revision history)</li>
436 <li>CMSIS-RTOS 2.1.3 Relaxed interrupt usage.<ul>
437 <li>RTX 5.4.0 (see revision history)</li>
440 <li>CMSIS-Pack 1.5.0 (unchanged)</li>
441 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
442 <li>CMSIS-DAP 2.0.0 (unchanged)</li>
443 <li>CMSIS-Zone 0.0.1 (unchanged) </li>
447 <td>5.3.0 </td><td><ul>
448 <li>CMSIS-Core (Cortex-M) 5.1.1</li>
449 <li>CMSIS-Core (Cortex-A) 1.1.1</li>
450 <li>CMSIS-Driver 2.6.0 (unchanged)</li>
451 <li>CMSIS-DSP 1.5.2 (unchanged)</li>
452 <li>CMSIS-NN 1.0.0 Initial contribution of Neural Network Library.</li>
453 <li>CMSIS-RTOS 2.1.2 (unchanged)</li>
454 <li>CMSIS-Pack 1.5.0 (unchanged)</li>
455 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
456 <li>CMSIS-DAP 2.0.0 Communication via WinUSB to achieve high-speed transfer rates.</li>
457 <li>CMSIS-Zone 0.0.1 (unchanged) </li>
461 <td>5.2.0 </td><td><ul>
462 <li>CMSIS-Core (Cortex-M) 5.1.0 MPU functions for ARMv8-M, cmsis_iccarm.h replacing cmsis_iar.h</li>
463 <li>CMSIS-Core (Cortex-A) 1.1.0 cmsis_iccarm.h, additional physical timer access functions</li>
464 <li>CMSIS-Driver 2.6.0 Enhanced CAN and NAND driver interface.</li>
465 <li>CMSIS-DSP 1.5.2 Fixed diagnostics and moved SSAT/USST intrinsics to CMSIS-Core.</li>
466 <li>CMSIS-RTOS 2.1.2 Relaxed some ISR-callable restrictions.</li>
467 <li>CMSIS-Pack 1.5.0 (unchanged)</li>
468 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
469 <li>CMSIS-DAP 1.2.0 (unchanged)</li>
470 <li>CMSIS-Zone 0.0.1 (unchanged) </li>
474 <td>5.1.1 </td><td><ul>
475 <li>CMSIS-Core (Cortex-M) (unchanged)</li>
476 <li>CMSIS-Core (Cortex-A) (unchanged)</li>
477 <li>CMSIS-Driver 2.05 (unchanged)</li>
478 <li>CMSIS-DSP 1.5.2 (unchanged)</li>
479 <li>CMSIS-RTOS 2.1.1 Fixed RTX5 pre-built libraries for Cortex-M.</li>
480 <li>CMSIS-Pack 1.5.0 (unchanged)</li>
481 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
482 <li>CMSIS-DAP 1.1.0 (unchanged)</li>
483 <li>CMSIS-Zone 0.0.1 (unchanged) </li>
487 <td>5.1.0 </td><td><ul>
488 <li>CMSIS-Core (Cortex-M) 5.0.2 several minor corrections and enhancements</li>
489 <li>CMSIS-Core (Cortex-A) 1.0.0 implements a basic run-time system for Cortex-A5/A7/A9</li>
490 <li>CMSIS-Driver 2.05 status typedef made volatile</li>
491 <li>CMSIS-DSP 1.5.2 fixed GNU Compiler specific diagnostics</li>
492 <li>CMSIS-RTOS 2.1.1 added support for Cortex-A5/A7/A9 to RTX5</li>
493 <li>CMSIS-Pack 1.5.0 added SDF format specification</li>
494 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
495 <li>CMSIS-DAP 1.1.0 (unchanged)</li>
496 <li>CMSIS-Zone 0.0.1 (Preview) format to describe system resources and tool for partitioning of resources </li>
500 <td>5.0.1 </td><td><ul>
501 <li>CMSIS-Core 5.0.1 added __PACKED_STRUCT macro and uVisor support</li>
502 <li>CMSIS-Driver 2.05 updated all typedefs related to status now being volatile.</li>
503 <li>CMSIS-DSP 1.5.1 added ARMv8M DSP libraries</li>
504 <li>CMSIS-RTOS 2.1.0 added support for critical and uncritical sections</li>
505 <li>CMSIS-Pack 1.4.8 add Pack Index File specification</li>
506 <li>CMSIS-SVD 1.3.3 (unchanged)</li>
507 <li>CMSIS-DAP 1.1.0 (unchanged) </li>
511 <td>5.0.0 </td><td>Added support for: <a href="http://www.arm.com/products/processors/instruction-set-architectures/armv8-m-architecture.php" target="_blank"><b>ARMv8-M architecture</b></a> including TrustZone for ARMv8-M and Cortex-M23, Cortex-M33 processors<ul>
512 <li>CMSIS-Core (Cortex-M) 5.0.0 added support for ARMv8-M and Cortex-M23, Cortex-M33 processors</li>
513 <li>CMSIS-Driver 2.04.0 (unchanged)</li>
514 <li>CMSIS-DSP 1.4.9 minor corrections and performance improvements</li>
515 <li>CMSIS-RTOS 2.0.0 new API with RTX 5.0.0 reference implementation and corrections in RTX 4.8.2</li>
516 <li>CMSIS-Pack 1.4.4 introducing CPDSC project description</li>
517 <li>CMSIS-SVD 1.3.3 several enhancements and rework of documentation</li>
518 <li>CMSIS-DAP 1.1.0 (unchanged) </li>
522 <td>4.5.0 </td><td>Maintenance release that is fixing defects. See component's revision history for more details. See component's revision history for more details.<ul>
523 <li>CMSIS-Core (Cortex-M) 4.30.0</li>
524 <li>CMSIS-DAP 1.1.0 (unchanged)</li>
525 <li>CMSIS-Driver 2.04.0</li>
526 <li>CMSIS-DSP 1.4.7</li>
527 <li>CMSIS-Pack 1.4.1</li>
528 <li>CMSIS-RTOS RTX 4.80.0</li>
529 <li>CMSIS-SVD 1.3.1 </li>
533 <td>4.4.0 </td><td>Feature release adding CMSIS-DAP (see extended End User Licence Agreement) and CMSIS-Driver for CAN. See component's revision history for more details.<ul>
534 <li>CMSIS-Core (Cortex-M) 4.20.0</li>
535 <li>CMSIS-DAP 1.1.0</li>
536 <li>CMSIS-Driver 2.03.0</li>
537 <li>CMSIS-DSP 1.4.5 (unchanged)</li>
538 <li>CMSIS-RTOS RTX 4.79.0</li>
539 <li>CMSIS-Pack 1.4.0</li>
540 <li>CMSIS-SVD 1.3.0 </li>
544 <td>4.3.0 </td><td>Maintenance release adding SAI CMSIS-Driver and fixing defects. See component's revision history for more details.<ul>
545 <li>CMSIS-Core (Cortex-M) 4.10.0</li>
546 <li>CMSIS-Driver 2.02.0</li>
547 <li>CMSIS-DSP 1.4.5</li>
548 <li>CMSIS-RTOS RTX 4.78.0</li>
549 <li>CMSIS-Pack 1.3.3</li>
550 <li>CMSIS-SVD (unchanged) </li>
554 <td>4.2 </td><td>Introducing processor support for Cortex-M7. </td></tr>
556 <td>4.1 </td><td>Enhancements in CMSIS-Pack and CMSIS-Driver.<br />
557 Added: PackChk validation utility<br />
558 Removed support for GNU: Sourcery G++ Lite Edition for ARM </td></tr>
560 <td>4.0 </td><td>First release in CMSIS-Pack format.<br />
561 Added specifications for CMSIS-Pack, CMSIS-Driver </td></tr>
563 <td>3.30 </td><td>Maintenance release with enhancements in each component </td></tr>
565 <td>3.20 </td><td>Maintenance release with enhancements in each component </td></tr>
567 <td>3.01 </td><td>Added support for Cortex-M0+ processors </td></tr>
569 <td>3.00 </td><td>Added support for SC000 and SC300 processors<br />
570 Added support for GNU GCC Compiler<br />
571 Added CMSIS-RTOS API </td></tr>
573 <td>2.10 </td><td>Added CMSIS-DSP Library </td></tr>
575 <td>2.0 </td><td>Added support for Cortex-M4 processor </td></tr>
577 <td>1.30 </td><td>Reworked CMSIS startup concept </td></tr>
579 <td>1.01 </td><td>Added support for Cortex-M0 processor </td></tr>
581 <td>1.00 </td><td>Initial release of CMSIS-Core (Cortex-M) for Cortex-M3 processor </td></tr>
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