Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/Canaan Inc./K210/PLIC/targets[3]/threshold#0x0
priority=Never
Priority Threshold Register
0 (Never): Never interrupt
1 (P1): Priority 1
2 (P2): Priority 2
3 (P3): Priority 3
4 (P4): Priority 4
5 (P5): Priority 5
6 (P6): Priority 6
7 (P7): Priority 7
https://github.com/cmsis-svd/cmsis-svd-data