kernel/fiasco/src/kern/ia32/vm.cpp

   1 INTERFACE:
   2
   3 #include "task.h"
   4
   5 class Vm : public Task
   6 {
   7 public:
   8   explicit Vm(Ram_quota *q) : Task(q) {}
   9   int resume_vcpu(Context *, Vcpu_state *, bool) = 0;
  10 };
  11
  12 template< typename VM >
  13 struct Vm_allocator
  14 {
  15   static Kmem_slab_t<VM> a;
  16 };
  17
  18 template<typename VM>
  19 Kmem_slab_t<VM> Vm_allocator<VM>::a("Vm");
  20
  21 // ------------------------------------------------------------------------
  22 IMPLEMENTATION:
  23
  24 PUBLIC inline virtual
  25 Page_number
  26 Vm::map_max_address() const
  27 { return Page_number::create(1UL << (MWORD_BITS - Mem_space::Page_shift)); }
  28
  29 PUBLIC static
  30 template< typename VM >
  31 Slab_cache *
  32 Vm::allocator()
  33 { return &Vm_allocator<VM>::a; }
  34
  35 // ------------------------------------------------------------------------
  36 IMPLEMENTATION [ia32]:
  37
  38 PROTECTED static inline
  39 bool
  40 Vm::is_64bit()
  41 { return false; }
  42
  43 // ------------------------------------------------------------------------
  44 IMPLEMENTATION [amd64]:
  45
  46 PROTECTED static inline
  47 bool
  48 Vm::is_64bit()
  49 { return true; }