diff options
Diffstat (limited to 'riscv/mmu.cc')
| -rw-r--r-- | riscv/mmu.cc | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/riscv/mmu.cc b/riscv/mmu.cc index 19f1902..1779acd 100644 --- a/riscv/mmu.cc +++ b/riscv/mmu.cc @@ -415,6 +415,8 @@ reg_t mmu_t::walk(reg_t addr, access_type type, reg_t mode, bool virt, bool hlvx if (pte & PTE_RSVD) { break; } else if (PTE_TABLE(pte)) { // next level of page table + if (pte & (PTE_D | PTE_A | PTE_U)) + break; base = ppn << PGSHIFT; } else if ((pte & PTE_U) ? s_mode && (type == FETCH || !sum) : !s_mode) { break; |