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Merge pull request #3178 from IronMan999/master 

修改了上下文切换退出时的bug，该bug会导致中断被提前打开造成死锁
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Bernard Xiong 2019-11-11 08:26:48 +08:00 committed by GitHub
parent 3777bec075 80a4912baf
commit cc2316ed4e
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libcpu/risc-v/common/context_gcc.S
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@ -175,7 +175,7 @@ rt_hw_context_switch_exit:
LOAD x1, 1 * REGBYTES(sp) LOAD x1, 1 * REGBYTES(sp)
li t0, 0x00001800 li t0, 0x00001800
csrs mstatus, t0 csrw mstatus, t0
LOAD a0, 2 * REGBYTES(sp) LOAD a0, 2 * REGBYTES(sp)
csrs mstatus, a0 csrs mstatus, a0