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qemu-system-arm freezes when using SystickTimer on netduinoplus2

git commit 27c94566379069fb8930bb1433dcffbf7df3203d

The global variable system_clock_scale used in hw/timer/armv7m_systick.c is never set on the netduinoplus2 platform, it stays initialized as zero. Using the timer with the clock source as cpu clock leads to an infinit loop because systick_timer->tick always stays the same.

To reproduce use to CMSIS function SysTick_Config(uint32_t ticks) to setup the timer.

Patch sent to list: https://<email address hidden>/


Patch has been included here:
https://git.qemu.org/?p=qemu.git;a=commitdiff;h=e7e5a9595ab1136845c