function to invalidate l2cache

2026-05-17 12:49:41 +02:00
parent f1312c1b17
commit a9c5c8de57
1 changed files with 7 additions and 0 deletions
@@ -81,3 +81,10 @@ pub fn init(
    }
    l2c_mmio.write_control(Control::new_enabled());
 }
+
+/// Function to invalidate l2 cache
+pub fn invalidate_all(l2c_mmio: &mut MmioRegisters<'static>) {
+    l2c_mmio.write_clean_invalidate_by_way(0xffff);
+    while l2c_mmio.read_cache_sync().busy() {}
+    compiler_fence(core::sync::atomic::Ordering::SeqCst);
+}