On Mon, Apr 3, 2023 at 11:43 PM Wu, Fei <fei2...@intel.com> wrote: > > Recent commit 0ee342256af92 switches to g_assert() for the predicate() > NULL check from returning RISCV_EXCP_ILLEGAL_INST. Qemu doesn't have > predicate() for un-allocated CSRs, then a buggy userspace application > reads CSR such as 0x4 causes qemu to exit, I don't think it's expected.
Hm.... That's not good. Userspace shouldn't be able to crash QEMU. I think we want to revert that patch then. @Bin Meng any thoughts? Alistair > > .global _start > > .text > _start: > csrr t3, 0x4 > > Thanks, > Fei. >
