diff --git a/prototypes/base/entrypoint.S b/prototypes/base/entrypoint.S
index b25bc1e..ba94dae 100644
--- a/prototypes/base/entrypoint.S
+++ b/prototypes/base/entrypoint.S
@@ -8,6 +8,7 @@
 _start:
   mov $kernel_stack, %esp
  
+  push %ebx
   call compat_call_ctors
   call init
   call compat_call_dtors
diff --git a/prototypes/base/include/multiboot.hpp b/prototypes/base/include/multiboot.hpp
index d8e370b..10121f4 100644
--- a/prototypes/base/include/multiboot.hpp
+++ b/prototypes/base/include/multiboot.hpp
@@ -33,6 +33,13 @@ namespace multiboot
     T const & operator [](size_t idx) {
       return this->data[idx];
     }
+    
+    const T *begin() const {
+      return &data[0];
+    }
+    const T *end() const {
+      return &data[length];
+    }
   } __attribute__((packed));
   
   // Make sure the size is not dependend on the template parameter
diff --git a/prototypes/base/init.cpp b/prototypes/base/init.cpp
index 77f0441..3aca0a6 100644
--- a/prototypes/base/init.cpp
+++ b/prototypes/base/init.cpp
@@ -9,7 +9,7 @@
 
 using namespace multiboot;
 
-extern "C" void init(Structure *data)
+extern "C" void init(Structure const * data)
 {
 	Console::main
 		<< "Hello World!\n"
@@ -23,6 +23,11 @@ extern "C" void init(Structure *data)
     << "command line:        " << data->commandline << "\n"
     << "count of modules:    " << data->modules.length << "\n";
   
+  for(const Module &module : data->modules) {
+    Console::main
+      << "Module " << module.name << "\n";
+  }
+  
   /*
   PMM::markOccupied(physical_t(0x1500));
   for(int i = 0; i < 10; i++) {