On 2023/5/29 20:17, Weiwei Li wrote:
MPV and GVA bits are added by hypervisor extension to mstatus and mstatush (if MXLEN=32).
Have you found the CSR field specifications for them, especially for GVA. Zhiwei
Signed-off-by: Weiwei Li <liwei...@iscas.ac.cn> Signed-off-by: Junqiang Wang <wangjunqi...@iscas.ac.cn> --- target/riscv/csr.c | 10 ++++------ 1 file changed, 4 insertions(+), 6 deletions(-) diff --git a/target/riscv/csr.c b/target/riscv/csr.c index 58499b5afc..6ac11d1f11 100644 --- a/target/riscv/csr.c +++ b/target/riscv/csr.c @@ -1311,11 +1311,9 @@ static RISCVException write_mstatus(CPURISCVState *env, int csrno, }if (xl != MXL_RV32 || env->debugger) {- /* - * RV32: MPV and GVA are not in mstatus. The current plan is to - * add them to mstatush. For now, we just don't support it. - */ - mask |= MSTATUS_MPV | MSTATUS_GVA; + if (riscv_has_ext(env, RVH)) { + mask |= MSTATUS_MPV | MSTATUS_GVA; + } if ((val & MSTATUS64_UXL) != 0) { mask |= MSTATUS64_UXL; } @@ -1351,7 +1349,7 @@ static RISCVException write_mstatush(CPURISCVState *env, int csrno, target_ulong val) { uint64_t valh = (uint64_t)val << 32; - uint64_t mask = MSTATUS_MPV | MSTATUS_GVA; + uint64_t mask = riscv_has_ext(env, RVH) ? MSTATUS_MPV | MSTATUS_GVA : 0;env->mstatus = (env->mstatus & ~mask) | (valh & mask);
