kernel/include/arch-x86/thread.h

   1 #ifndef _ARCH_THREAD_H
   2 #define _ARCH_THREAD_H
   3
   4 #include <kern/types.h>
   5
   6 namespace Threads {
   7         class Thread;
   8 }
   9
  10 namespace Mem {
  11         class ProcAddrSpace;
  12 }
  13
  14 namespace Arch {
  15         struct ArchThread {
  16                 void *esp, *ebp;
  17                 u8 jump_to_init;
  18
  19                 enum {
  20                         size = 4096
  21                 };
  22
  23                 void init(void *entry, void *arg1, void *arg2);
  24         };
  25
  26         void switch_thread(Threads::Thread *dest, Threads::Thread *src);
  27         void set_aspace(Mem::ProcAddrSpace *aspace);
  28
  29         namespace Priv {
  30                 struct TSS {
  31                         u16 prev_task;
  32                         u16 reserved1;
  33                         u32 esp0;
  34                         u16 ss0;
  35                         u16 reserved2;
  36                         u32 esp1;
  37                         u16 ss1;
  38                         u16 reserved3;
  39                         u32 esp2;
  40                         u16 ss2;
  41                         u16 reserved4;
  42                         u32 cr3, eip, eflags;
  43                         u32 eax, ecx, edx, ebx, esp, ebp, esi, edi;
  44                         u16 es;
  45                         u16 reserved5;
  46                         u16 cs;
  47                         u16 reserved6;
  48                         u16 ss;
  49                         u16 reserved7;
  50                         u16 ds;
  51                         u16 reserved8;
  52                         u16 fs;
  53                         u16 reserved9;
  54                         u16 gs;
  55                         u16 reserved10;
  56                         u16 ldt;
  57                         u16 reserved11;
  58                         u16 trap;
  59                         u16 iomap_base;
  60                 };
  61
  62                 extern TSS tss;
  63         }
  64 };
  65
  66 #endif