diff options
Diffstat (limited to 'riscv/insns/sret.h')
| -rw-r--r-- | riscv/insns/sret.h | 9 |
1 files changed, 9 insertions, 0 deletions
diff --git a/riscv/insns/sret.h b/riscv/insns/sret.h index fe007d3..efb4fa6 100644 --- a/riscv/insns/sret.h +++ b/riscv/insns/sret.h @@ -26,6 +26,15 @@ if (!STATE.v) { if (ZICFILP_xLPE(prev_virt, prev_prv)) { STATE.elp = static_cast<elp_t>(get_field(s, SSTATUS_SPELP)); } + +if (STATE.prv == PRV_M) { + STATE.mstatus->write(STATE.mstatus->read() & ~MSTATUS_MDT); + if (prev_prv == PRV_U || prev_virt) + STATE.mstatus->write(STATE.mstatus->read() & ~MSTATUS_SDT); + if (prev_virt && prev_prv == PRV_U) + STATE.vsstatus->write(STATE.vsstatus->read() & ~SSTATUS_SDT); +} + s = set_field(s, SSTATUS_SPELP, elp_t::NO_LP_EXPECTED); if (STATE.prv == PRV_S) { |