segm.c File Reference

#include "routix/segm.h"
#include "routix/system.h"

Go to the source code of this file.

Functions

• descriptor_t make_descriptor (dword base, dword limite, byte atr1, byte atr2)

  Crea un descriptor de segmento.
  
  

• descriptor_t make_int_gate (word segselector, dword offset, byte atr)

  Crea un descriptor de un interrupt gate.
  
  

• descriptor_t make_trap_gate (word segselector, dword offset, byte atr)

  Crea un descriptor de un trap gate.
  
  

• descriptor_t make_task_gate (word segselector, byte atr)
• void clear_busy_bit (descriptor_t *desc)

  Elimina el bit de busy de un TSS.
  
  

• __inline__ void lgdt (gdtr_t *dir_gdtr_so)

  Carga la gdt.
  
  

• __inline__ void lidt (gdtr_t *dir_gdtr_so)

  Carga la idt.
  
  

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Function Documentation

void clear_busy_bit (  descriptor_t *  desc  )  [inline]

Elimina el bit de busy de un TSS. Definition at line 71 of file segm.c.

__inline__ void lgdt (  gdtr_t *  dir_gdtr_so  )

Carga la gdt. Definition at line 78 of file segm.c. Referenced by init_MM_base().

__inline__ void lidt (  gdtr_t *  dir_gdtr_so  )

Carga la idt. Definition at line 84 of file segm.c.

descriptor_t make_descriptor (  dword  base, dword  limite, byte  atr1, byte  atr2 )

Crea un descriptor de segmento. Definition at line 15 of file segm.c. Referenced by init_MM_base().

descriptor_t make_int_gate (  word  segselector, dword  offset, byte  atr )

Crea un descriptor de un interrupt gate. Definition at line 31 of file segm.c. Referenced by inicializarInterrupciones().

descriptor_t make_task_gate (  word  segselector, byte  atr )

Definition at line 59 of file segm.c.

descriptor_t make_trap_gate (  word  segselector, dword  offset, byte  atr )

Crea un descriptor de un trap gate. Definition at line 45 of file segm.c. Referenced by inicializarInterrupciones().

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