zhangjun b032dff161 fix bug in rt_hw_context_switch_interrupt_do ... save sp to old thread clear rt_thread_switch_interrupt_flag always enable interrupt after rt_hw_context_switch judeg the type of interrupt in trap_entry, then call handler(Machine timer interrupt of Machine external interrupt)		2017-07-30 19:46:28 +08:00
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e310	fix bug in rt_hw_context_switch_interrupt_do	2017-07-30 19:46:28 +08:00