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!901 risc-v系统异常时无法输出异常信息 

Merge pull request !901 from zhushengle/medeleg
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openharmony_ci 2022-11-10 10:30:50 +00:00 committed by Gitee
parent 2f08268983 914913fab6
commit 1cd2ae7b4e
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1 changed files with 1 additions and 2 deletions
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arch/risc-v/riscv32/gcc/los_exc.S
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@ -139,8 +139,7 @@ HalTrapEntry:
sw a0, 0 * REGBYTES(sp) sw a0, 0 * REGBYTES(sp)
csrr t0, mtval csrr t0, mtval
sw t0, 1 * REGBYTES(sp) sw t0, 1 * REGBYTES(sp)
csrr t0, medeleg sw zero, 2 * REGBYTES(sp)
sw t0, 2 * REGBYTES(sp)
sw gp, 3 * REGBYTES(sp) sw gp, 3 * REGBYTES(sp)
mv a0, sp mv a0, sp
csrw mscratch, sp csrw mscratch, sp