#include <pte.h>

void pt_entry_add_attrib (pt_entry* entry, unsigned mask) {
      *entry |= mask;
}

 void pt_entry_del_attrib (pt_entry* entry, unsigned mask) {
      *entry &= ~mask;
}

 void pt_entry_set_frame (pt_entry* entry, unsigned address) {
      *entry &= ~_I86_PTE_FRAME;
      *entry |= address & _I86_PTE_FRAME;
 }
 
 unsigned pt_entry_get_frame (pt_entry entry) {
      return entry&_I86_PTE_FRAME;
}

 unsigned char pt_entry_is_present (pt_entry entry) {
      return ( (entry & _I86_PTE_PRESENT) > 0 );
 }
 
 unsigned char pt_entry_is_writable (pt_entry entry) {
      return ( (entry & _I86_PTE_WRITABLE) > 0 );
}