i think it works

code/kernel/ke_syscall.h

@@ -0,0 +1,11 @@
+#pragma once
+
+#include <stdint.h>
+#include "hal_api.h"
+
+// Set the HAL API pointer for syscalls
+void KeSyscallSetHal(const HAL_API* hal);
+
+// Syscall dispatcher, called from assembly entry point
+uint64_t KeSyscallDispatch(uint64_t nr, uint64_t a0, uint64_t a1,
+                          uint64_t a2, uint64_t a3, uint64_t a4, uint64_t a5);