Merge pull request #532 from lz-bro/mb_translate

Add virtual memory synchronization after completing the page tables
riscv-software-src · Feb 29, 2024 · 634f172 · 634f172
2 parents 9c3d66b + 9e18388
commit 634f172
Showing 1 changed file with 1 addition and 0 deletions.
diff --git a/debug/programs/translate.c b/debug/programs/translate.c
@@ -163,6 +163,7 @@ int main()
         virtual = (uint32_t *) (
                 (reg_t) virtual | ~(((reg_t) 1 << vms->vaddr_bits) - 1));
     add_entry(master_table, 0, (reg_t) virtual, (reg_t) physical);
+    __asm__ __volatile__ ("sfence.vma" ::: "memory"); // Virtual memory synchronization
 
     unsigned long satp = set_field(0, SATP_MODE, vms->mode);
     satp = set_field(satp, SATP_PPN, ((unsigned long) master_table) >> 12);