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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

This commit is contained in:
ZhangTao 2019-11-05 10:30:47 +08:00
parent 2c55f11b67
commit 80a4912baf
1 changed files with 1 additions and 1 deletions
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2
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