graphic: 0.914
instruction: 0.862
device: 0.704
semantic: 0.624
socket: 0.495
network: 0.380
mistranslation: 0.339
other: 0.262
vnc: 0.141
KVM: 0.135
boot: 0.092
assembly: 0.032

qemu-system-riscv32 does not pass official riscv-tests
Description of problem:
I run riscv-tests using the above command and find qemu raises Illegalinstruction when `sret` in the machine mode.Therefore qemu cannot pass the rv32ui-v-and test.
Additional information:
The tests https://github.com/riscv-software-src/riscv-tests