initial razzle

kernel/spin_lock.c

@@ -0,0 +1,9 @@
+#pragma once
+
+#ifdef ARCH_I386
+#include "../arch/i386/asm.c"
+#endif
+
+void sl_acquire(uint32_t *lock) { __sl_acquire(lock); }
+
+void sl_release(uint32_t *lock) { __sl_release(lock); }