C++ (Cpp) _xx_lmode Examples

Example #1

File: vmx_exit_fail.c Project: puzirev/ramooflax

static void vmx_vmexit_show_gp_event()
{
   int_desc_t *idt;
   pg_wlk_t   wlk;

   if(!vm_exit_info.int_err_code.sl.idt ||_xx_lmode())
      return;

   idt = (int_desc_t*)(vm_state.idtr.base.raw & 0xffffffff);

   if(!__paging())
      goto __show_gp;
   else if(vm_full_walk((offset_t)idt, &wlk))
   {
      idt = (int_desc_t*)wlk.addr;
      goto __show_gp;
   }

   printf("#GP related to IDT and IDT is no mapped\n");
   return;

__show_gp:
   printf("#GP related to IDT entry 0x%x [0x%X]\n"
          ,vm_exit_info.int_err_code.sl.idx
          ,idt[vm_exit_info.int_err_code.sl.idx].raw);
}

Example #2

File: mmu_walk.c Project: sduverger/ramooflax

/*
** Page walking service
**
** . we use VMM cpu skillz as we depend
**   upon system mmu and not nested one
**
** . we support :
**   - long/compatibility mode
**   - legacy protected mode + paging + pae
**   - legacy protected mode + paging
*/
int __pg_walk(cr3_reg_t *cr3, offset_t vaddr, pg_wlk_t *wlk)
{
   debug(PG_WLK, "cr3 0x%X\n", cr3->raw);

   if(_xx_lmode())
      return __pg_walk_lmode(cr3, vaddr, wlk);

   if(__cr4.pae)
      return __pg_walk_pmode_pae(cr3, vaddr, wlk);

   return __pg_walk_pmode(cr3, vaddr, wlk);
}

Example #3

File: mmu_walk.c Project: Debug-Orz/ramooflax

/*
** Page walking services
**
** . we use VMM cpu skillz as we depend
**   upon system mmu and not nested one
**
** . we support :
**   - long/compatibility mode
**   - legacy protected mode + paging + pae
**   - legacy protected mode + paging
*/
int __pg_walk(cr3_reg_t *cr3,
	      offset_t vaddr, offset_t *paddr,
	      size_t *psz, int chk)
{
   debug(PG_W, "cr3 0x%X\n", cr3->raw);

   if(_xx_lmode())
      return pg_walk_lmode(cr3, vaddr, paddr, psz, chk);

   if(__cr4.pae)
      return pg_walk_pmode_pae(cr3, vaddr, paddr, psz, chk);

   return pg_walk_pmode(cr3, vaddr, paddr, psz, chk);
}