#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 = (*entry & ~_I86_PTE_FRAME) | address;
 }
 
 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);
 }
 
 unsigned char pt_entry_is_writable (pt_entry entry) {
      return (entry & _I86_PTE_WRITABLE);
}


/*#include <conio.h>

void pt_entry_print(pt_entry entry)
{
      cprintf ("page <FRAME=%u", entry & _I86_PTE_FRAME);
      
      if (entry & _I86_PTE_PRESENT) cprintf (" PRESENT");
      if (entry & _I86_PTE_WRITABLE) cprintf (" WRITABLE");
      if (entry & _I86_PTE_USER) cprintf (" USER");
      if (entry & _I86_PTE_WRITETHROUGH) cprintf (" WRITETHROUGH");
      if (entry & _I86_PTE_NOT_CACHEABLE) cprintf (" NOT-CACHEABLE");
      if (entry & _I86_PTE_ACCESSED) cprintf (" ACCESSED");
      if (entry & _I86_PTE_DIRTY) cprintf (" DIRTY");
      if (entry & _I86_PTE_PAT) cprintf (" PAT");
      if (entry & _I86_PTE_CPU_GLOBAL) cprintf (" CPU-GLOBAL");
      if (entry & _I86_PTE_LV4_GLOBAL) cprintf (" LV4-GLOBAL");
      cprintf(">");
}*/