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SW4STM32 and SW4Linux fully supports the STM32MP1 asymmetric multicore Cortex/A7+M4 MPUs

   With System Workbench for Linux, Embedded Linux on the STM32MP1 family of MPUs from ST was never as simple to build and maintain, even for newcomers in the Linux world. And, if you install System Workbench for Linux in System Workbench for STM32 you can seamlessly develop and debug asymmetric applications running partly on Linux, partly on the Cortex-M4.
You can get more information from the ac6-tools website and download (registration required) various documents highlighting:

System Workbench for STM32


failed to start debuuging on STM32F0308-Discovery board

Another update regarding erase and programming operation on STM32F0308-Discovery.

Run ST-Link Utility on Windows 10, the erase and programming operation all work fine. No problem.

Still on Windows 10, from cpp-neon Eclipse CDT with all Ac6 plugin install and updated, the Target => Erase chip failed.
The information as below

Open On-Chip Debugger 0.10.0-dev-00272-gf17dc4a (2016-10-10-09:38)
Licensed under GNU GPL v2
For bug reports, read
http://openocd.org/doc/doxygen/bugs.html
Info : auto-selecting first available session transport “hla_swd”. To override use ‘transport select ‘.
Info : The selected transport took over low-level target control. The results might differ compared to plain JTAG/SWD
adapter speed: 1000 kHz
adapter_nsrst_delay: 100
srst_only separate srst_nogate srst_open_drain connect_assert_srst
srst_only separate srst_nogate srst_open_drain connect_assert_srst
Info : Unable to match requested speed 1000 kHz, using 950 kHz
Info : Unable to match requested speed 1000 kHz, using 950 kHz
Info : clock speed 950 kHz
Info : STLINK v2 JTAG v28 API v2 SWIM v0 VID 0x0483 PID 0x3748
Info : using stlink api v2
Info : Target voltage: 2.917955
Info : stm32f0x.cpu: hardware has 4 breakpoints, 2 watchpoints
Info : Unable to match requested speed 1000 kHz, using 950 kHz
Info : Unable to match requested speed 1000 kHz, using 950 kHz
adapter speed: 950 kHz
Error: timed out while waiting for target halted
TARGET: stm32f0x.cpu - Not halted
in procedure ‘reset’
in procedure ‘ocd_bouncer’



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