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release: adding release notes draft for ARM architecture

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Zephyr 2.0 release notes draft for the ARM architecture.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
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Ioannis Glaropoulos 2019-08-23 16:09:42 +02:00
parent 1084f48259
commit f8b068ed88
1 changed files with 22 additions and 3 deletions
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doc/releases/release-notes-2.0.rst
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@ -19,19 +19,38 @@ Major enhancements with this release include:
connection between two nodes.
* We added support for UpdateHub which is an end-to-end solution for large scale
over-the-air update of devices.
* We added support for ARM Cortex-R Architecture (EXPERIMENTAL).
The following sections provide detailed lists of changes by component.
Kernel
******
* TBD
* New kernel API for per-thread disabling of Floating Point Services for
ARC, ARM Cortex-M, and x86 architectures.
Architectures
*************
* POSIX: Fix race condition with terminated threads which had never been
scheduled by kernel. On very loaded systems it could cause swap errors.
* ARM:
* Added initial support for ARM Cortex-R architecture (EXPERIMENTAL)
* We enhanced the support for Floating Point Services in Cortex-M
architecture, implementing and enabling lazy-stacking for FPU
capable threads and fixing stack overflow detection for FPU
capable supervisor threads
* Added Qemu support for ARMv8-M Mainline architecture
* Optimized the IRQ locking time in thread context switch
* Fixed several critical bugs in User Mode implementation
* Added test coverage for ARM-specific kernel features
* Improved support for linking TrustZone Secure Entry functions into
Non-Secure firmware
* POSIX:
* Fix race condition with terminated threads which had never been
scheduled by kernel. On very loaded systems it could cause swap errors.
Boards & SoC Support
********************