| Code | Hex | Mask | Abbr | Description |
|---|---|---|---|---|
| 0 | 0 | 000001 | ||
| 1 | 1 | 000002 | SSI | Supervisor software interrupt |
| 2 | 2 | 000004 | VSSI | Virtual supervisor software interrupt |
| 3 | 3 | 000008 | MSI | Machine software interrupt |
| 4 | 4 | 000010 | ||
| 5 | 5 | 000020 | STI | Supervisor timer interrupt |
| 6 | 6 | 000040 | VSTI | Virtual supervisor timer interrupt |
| 7 | 7 | 000080 | MTI | Machine timer interrupt |
| 8 | 8 | 000100 | ||
| 9 | 9 | 000200 | SEI | Supervisor external interrupt |
| 10 | a | 000400 | VSEI | Virtual supervisor external interrupt |
| 11 | b | 000800 | MEI | Machine external interrupt |
| 12 | c | 001000 | SGEI | Supervisor guest external interrupt |
| 13 | d | 002000 | LCOFI | Local counter overflow interrupt |
| 14 | e | 004000 | ||
| 15 | f | 008000 |
| Code | Hex | Mask | Description |
|---|---|---|---|
| 0 | 0 | 000001 | Instruction address misaligned |
| 1 | 1 | 000002 | Instruction access fault |
| 2 | 2 | 000004 | Illegal instruction |
| 3 | 3 | 000008 | Breakpoint |
| 4 | 4 | 000010 | Load address misaligned |
| 5 | 5 | 000020 | Load access fault |
| 6 | 6 | 000040 | Store/AMO address misaligned |
| 7 | 7 | 000080 | Store/AMO access fault |
| 8 | 8 | 000100 | Environment call from U-mode or VU-mode |
| 9 | 9 | 000200 | Environment call from HS-mode |
| 10 | a | 000400 | Environment call from VS-mode |
| 11 | b | 000800 | Environment call from M-mode |
| 12 | c | 001000 | Instruction page fault |
| 13 | d | 002000 | Load page fault |
| 14 | e | 004000 | |
| 15 | f | 008000 | Store/AMO page fault |
| 16 | 10 | 010000 | |
| 17 | 11 | 020000 | |
| 18 | 12 | 040000 | |
| 19 | 13 | 080000 | |
| 20 | 14 | 100000 | Instruction guest-page fault |
| 21 | 15 | 200000 | Load guest-page fault |
| 22 | 16 | 400000 | Virtual instruction |
| 23 | 17 | 800000 | Store/AMO guest-page fault |