From 82749ab97af6ec1de605f0638d44999c3b50eadf Mon Sep 17 00:00:00 2001 From: NIIBE Yutaka <gniibe@fsij.org> Date: Mon, 18 Apr 2016 11:46:14 +0900 Subject: Add support for FS-BB48 --- NEWS | 17 +++++++++++++++++ 1 file changed, 17 insertions(+) (limited to 'NEWS') diff --git a/NEWS b/NEWS index fcc4df2..b6ca8f6 100644 --- a/NEWS +++ b/NEWS @@ -1,6 +1,23 @@ NEWS - Noteworthy changes +* Major changes in Chopstx 0.11 + + Released 2016-0X-XX + +** FS-BB48: Kinetis L MCU +Support for FS-BB48 board with Kinetis L MCU is added. + +** No HardFault at context switch on Cortex-M0 +By its design, Chopstx does context switch hodling scheduler lock. +This is implemented with the feature of BASEPRI on Cortex-M3. Because +Cortex-M0 doesn't have support of BASEPRI, the context switch (before +version 0.11) always caused HardFault exception. Since Cortex-M0 +doesn't have complex exception mechism of ICI/IT (which is supported +on Cortex-M3), it is actually possible to implement the context switch +in user mode. This is done. + + * Major changes in Chopstx 0.10 Released 2015-09-15 -- cgit v1.2.3