Merge pull request #4 from Richard-Qin-001/dev/shell

Rebuilt the system's underlying structure; it is now stable enough to merge. 

The system now supports a read-only file system and has a simple shell implemented.

1 files changed, 17 insertions, 0 deletions

diff --git a/include/drivers/plic.h b/include/drivers/plic.h
new file mode 100644
index 0000000..11e8c8a
--- /dev/null
+++ b/include/drivers/plic.h
@@ -0,0 +1,17 @@
+#pragma once
+#include "common/types.h"
+
+namespace PLIC
+{
+    // Global initialization (executed only once by hart 0)
+    void init();
+
+    // Per-core initialization (executed when each CPU starts)
+    void inithart();
+
+    // Claim interrupt: Get the currently occurring interrupt number (IRQ)
+    int claim();
+
+    // End of interrupt: notify the PLIC that this IRQ has been handled
+    void complete(int irq);
+} // namespace PILC