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rt-thread-nano移植到RISC-VSweRV #8

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Richard2088 opened this issue Sep 17, 2020 · 1 comment
Open

rt-thread-nano移植到RISC-VSweRV #8

Richard2088 opened this issue Sep 17, 2020 · 1 comment

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@Richard2088
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@Richard2088
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rt-thread-nano移植到RISC-V SweRV核心后任务调度失败。
SweRV是硬件计数，需要在timer终端中做线程切换，在调用rt_hw_context_switch_interrupt后不知道如何做线程切换。
参考picorv32的移植，请问：
1、irq_entry: 是什么时候触发的
2、中断中做线程切换需要保存哪些东西，有什么注意的点吗。
谢谢！

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@Richard2088