riscv-page-tables: Define user mode PTEs flags

Signed-off-by: Gianluca Guida <[email protected]>
rivosinc · Dec 12, 2022 · 54c282c · 54c282c
1 parent 9d44b87
commit 54c282c
Showing 1 changed file with 8 additions and 0 deletions.
diff --git a/riscv-page-tables/src/pte.rs b/riscv-page-tables/src/pte.rs
@@ -68,6 +68,14 @@ pub enum PteLeafPerms {
     /// Read/Write/Execute
     RWX = (PteFieldBit::Read.mask() | PteFieldBit::Write.mask() | PteFieldBit::Execute.mask())
         as isize,
+    /// User Read/Execute
+    URX = (PteFieldBit::User.mask() | PteFieldBit::Read.mask() | PteFieldBit::Execute.mask())
+        as isize,
+    /// User Read Only
+    UR = (PteFieldBit::User.mask() | PteFieldBit::Read.mask()) as isize,
+    /// User Read/Write
+    URW =
+        (PteFieldBit::User.mask() | PteFieldBit::Read.mask() | PteFieldBit::Write.mask()) as isize,
 }
 
 const MASK_RWX: u64 = (1 << PteFieldBit::Read.shift())