segm.h File Reference

#include "routix/system.h"

Go to the source code of this file.

Classes

• struct gdtr_t
• struct descriptor_t

Defines

• #define PRESENTE   1 << 7
• #define DPL_0   0 << 6
• #define DPL_1   1 << 5
• #define DPL_2   2 << 5
• #define DPL_3   3 << 5
• #define GENERAL   1 << 4
• #define SISTEMA   0
• #define DATA   0 << 3
• #define EXPAND_DOWN   1 << 2
• #define WRITE   1 << 1
• #define CODIGO   1 << 3
• #define CONFORMING   1 << 2
• #define READ   1 << 1
• #define ACCESED   1 << 0
• #define LDT   2
• #define TASK_GATE   5
• #define TSS_AVAILABLE   9
• #define TSS_BUSY   0xb
• #define CALL_GATE   0xc
• #define INT_GATE   0xe
• #define TRAP_GATE   0xf
• #define GRANULARIDAD   1 << 7
• #define DB   1 << 6
• #define _set_ds(valor)   __asm__ __volatile__ ("movw %w0,%%ds\n\t" : : "r" (valor))
• #define _set_es(valor)   __asm__ __volatile__ ("movw %w0,%%es\n\t" : : "r" (valor))
• #define _set_fs(valor)   __asm__ __volatile__ ("movw %w0,%%fs\n\t" : : "r" (valor))
• #define _set_gs(valor)   __asm__ __volatile__ ("movw %w0,%%gs\n\t" : : "r" (valor))
• #define _set_ss(valor)   __asm__ __volatile__ ("movw %w0,%%ss\n\t" : : "r" (valor))
• #define _set_esp(valor)   __asm__ __volatile__ ("movl %0,%%esp\n\t" : : "r" (valor))
• #define _lidt(valor)   __asm__ __volatile__ ("lidt (%0)" : : "q" (valor));
• #define ldtr(valor)   __asm__ __volatile__ ("lldt %w0" : : "a" (valor));

Typedefs

• typedef gdtr_t gdtr_t
• typedef gdtr_t idtr_t
• typedef descriptor_t descriptor_t

Functions

• __inline__ void lgdt (gdtr_t *dir_gdtr_so)

  Carga la gdt.
  
  

• 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)

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Define Documentation

#define _lidt (  valor   )     __asm__ __volatile__ ("lidt (%0)" : : "q" (valor));

Definition at line 77 of file segm.h. Referenced by inicializarInterrupciones().

#define _set_ds (  valor   )     __asm__ __volatile__ ("movw %w0,%%ds\n\t" : : "r" (valor))

Definition at line 70 of file segm.h. Referenced by init_MM_base().

#define _set_es (  valor   )     __asm__ __volatile__ ("movw %w0,%%es\n\t" : : "r" (valor))

Definition at line 71 of file segm.h. Referenced by init_MM_base().

#define _set_esp (  valor   )     __asm__ __volatile__ ("movl %0,%%esp\n\t" : : "r" (valor))

Definition at line 75 of file segm.h.

#define _set_fs (  valor   )     __asm__ __volatile__ ("movw %w0,%%fs\n\t" : : "r" (valor))

Definition at line 72 of file segm.h. Referenced by init_MM_base().

#define _set_gs (  valor   )     __asm__ __volatile__ ("movw %w0,%%gs\n\t" : : "r" (valor))

Definition at line 73 of file segm.h. Referenced by init_MM_base().

#define _set_ss (  valor   )     __asm__ __volatile__ ("movw %w0,%%ss\n\t" : : "r" (valor))

Definition at line 74 of file segm.h.

#define ACCESED   1 << 0

Definition at line 44 of file segm.h.

#define CALL_GATE   0xc

Definition at line 52 of file segm.h.

#define CODIGO   1 << 3

Definition at line 40 of file segm.h. Referenced by init_MM_base().

#define CONFORMING   1 << 2

Definition at line 41 of file segm.h.

#define DATA   0 << 3

Definition at line 35 of file segm.h.

#define DB   1 << 6

Definition at line 59 of file segm.h. Referenced by init_MM_base().

#define DPL_0   0 << 6

Definition at line 26 of file segm.h. Referenced by inicializarInterrupciones(), and init_MM_base().

#define DPL_1   1 << 5

Definition at line 27 of file segm.h.

#define DPL_2   2 << 5

Definition at line 28 of file segm.h.

#define DPL_3   3 << 5

Definition at line 29 of file segm.h. Referenced by inicializarInterrupciones(), and init_MM_base().

#define EXPAND_DOWN   1 << 2

Definition at line 36 of file segm.h.

#define GENERAL   1 << 4

Definition at line 30 of file segm.h. Referenced by init_MM_base().

#define GRANULARIDAD   1 << 7

Definition at line 58 of file segm.h. Referenced by init_MM_base().

#define INT_GATE   0xe

Definition at line 53 of file segm.h. Referenced by make_int_gate().

#define LDT   2

Definition at line 48 of file segm.h.

#define ldtr (  valor   )     __asm__ __volatile__ ("lldt %w0" : : "a" (valor));

Definition at line 78 of file segm.h.

#define PRESENTE   1 << 7

Definition at line 25 of file segm.h. Referenced by inicializarInterrupciones(), and init_MM_base().

#define READ   1 << 1

Definition at line 42 of file segm.h.

#define SISTEMA   0

Definition at line 31 of file segm.h. Referenced by init_MM_base().

#define TASK_GATE   5

Definition at line 49 of file segm.h. Referenced by make_task_gate().

#define TRAP_GATE   0xf

Definition at line 54 of file segm.h. Referenced by make_trap_gate().

#define TSS_AVAILABLE   9

Definition at line 50 of file segm.h. Referenced by init_MM_base().

#define TSS_BUSY   0xb

Definition at line 51 of file segm.h.

#define WRITE   1 << 1

Definition at line 37 of file segm.h. Referenced by init_MM_base().

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Typedef Documentation

typedef struct descriptor_t descriptor_t

typedef struct gdtr_t gdtr_t

typedef gdtr_t idtr_t

Definition at line 12 of file segm.h. Referenced by inicializarInterrupciones().

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Function Documentation

__inline__ void lgdt (  gdtr_t *  dir_gdtr_so  )

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

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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