remap_kernel runs fine

6 years ago · bf3a67a7e4
parent 21adebb203
commit bf3a67a7e4
1 changed files with 6 additions and 2 deletions
--- a/kernel/src/arch/riscv32/paging.rs
+++ b/kernel/src/arch/riscv32/paging.rs
@ -420,8 +420,12 @@ impl InactivePageTable for InactivePageTable0 {
    }
    #[cfg(target_arch = "riscv64")]
    fn token(&self) -> usize {
-        unimplemented!();
-        0 // TODO
+        use bit_field::BitField;
+        info!("{}", self.root_frame.number());
+        let mut satp = self.root_frame.number();
+        satp.set_bits(44..60, 0);  // AS is 0
+        satp.set_bits(60..64, satp::Mode::Sv48 as usize);  // Mode is Sv48
+        satp
    }

    fn alloc_frame() -> Option<usize> {