[Add] laos base boot

2023-05-21 00:48:04 +08:00
parent 5d31bf294c
commit 029a8823f4
34 changed files with 927 additions and 18 deletions
--- a/laos/include/spinlock.h
+++ b/laos/include/spinlock.h
@@ -0,0 +1,23 @@
+#include "latype.h"
+
+#ifndef SPINLOCK_H__
+#define SPINLOCK_H__
+
+struct spinlock {
+    uint locked;
+
+    // debugging
+    char *name;
+    struct cpu *cpu;
+};
+
+void initlock(struct spinlock *lck, char *name);
+
+void acquire(struct spinlock *lck);
+void release(struct spinlock *lck);
+
+int  holding(struct spinlock *lck);
+void push_off();
+void pop_off();
+
+#endif