diff --git a/cpu/i386/address_spaces.c b/cpu/i386/address_spaces.c
new file mode 100644
index 0000000..77d50d7
--- /dev/null
+++ b/cpu/i386/address_spaces.c
@@ -0,0 +1,10 @@
+#include "paging.h"
+
+void copy_data(void* cr3, void* data,uint32_t size,void* virt_addr) {
+  uint32_t old_cr3;
+  asm volatile("movl %%cr3, %%eax; movl %%eax, %0;":"=m"(old_cr3)::"%eax");
+  void* phys_addr=virt_to_phys(data);
+  load_address_space(cr3);
+  map_pages((void*)((uint32_t)virt_addr<<12),phys_addr,(size/4096)+1,1,0);
+  load_address_space(old_cr3);
+}
diff --git a/cpu/i386/address_spaces.h b/cpu/i386/address_spaces.h
new file mode 100644
index 0000000..fb56f3d
--- /dev/null
+++ b/cpu/i386/address_spaces.h
@@ -0,0 +1,8 @@
+#ifndef ADDRESS_SPACES_H
+#define ADDRESS_SPACES_H
+
+#include <stdint.h>
+
+void copy_data(void* cr3, void* data,uint32_t size,void* virt_addr);
+
+#endif