floppy.c File Reference

#include <drivers/floppy.h>
#include <fs/blockcache.h>
#include <routix/device.h>
#include <routix/atomic.h>
#include <routix/8259.h>
#include <routix/kstdio.h>
#include <routix/timer.h>

Go to the source code of this file.

Defines

• #define OK   0
• #define ACTUAL_REQUEST   (actual_request)
• #define ST0   status[0]
• #define ST1   status[1]
• #define ST2   status[2]
• #define ST3   status[3]
• #define PCN   status[1]

Functions

• int block (void)
• int floppy_get_result (void)
• int leer_sec (byte cara, byte cilindro, byte sector, byte *buffer)
• void dump_states (void)
• void dump_status_register (int numero, byte valor)
• void leer_escribir_new ()
• void init_floppy_block_new (void)
• void recalibrate_block_new (void)
• void motor_on_new_finish (timer_t *timer)
• void seek_block_new ()
• void read_sector_block_new ()
• void error ()
• void error_por_timeout ()
• void motor_on ()
• void motor_on_new ()
• void motor_off ()
• void motor_off_new (timer_t *timer)
• void set_dor (word valor)
• int floppy_sendbyte (byte valor)
• int init_floppy ()
• void init_floppy_new ()
• int recalibrate ()
• int recalibrate_new ()
• byte read_sector_id (void)
• byte seek (byte cara, byte pista)
• int seek_new (byte cara, byte pista)
• int read_sector (byte cara, byte cilindro, byte sector)
• int read_sector_new (byte cara, byte cilindro, byte sector)
• char read_msr ()
• void init_floppy_DMA (byte comando)
• int leer_escribir (byte operacion, dword sector_logico, byte *buffer)
• void Floppy (void)
• void floppy_procesar_buffer (void)

Variables

• void(* func )(void)=NULL
• block_cache_t * actual_request = NULL
• byte motor_status = MOTOR_OFF
• byte floppy_calibrado = 0
• byte seek_status = 0
• byte rw_status = 0
• timer_t * timer_motor = NULL
• timer_t * timer_timeout = NULL
• int status [12]
• addr_t dma_address = 0xA0000 - 1024
• byte floppy_continuar
• char * ic_codes []

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Define Documentation

#define ACTUAL_REQUEST   (actual_request)

Definition at line 68 of file floppy.c. Referenced by error(), floppy_procesar_buffer(), init_floppy_block_new(), leer_escribir_new(), motor_on_new_finish(), read_sector_block_new(), recalibrate_block_new(), and seek_block_new().

#define OK   0

Definition at line 43 of file floppy.c.

#define PCN   status[1]

Definition at line 385 of file floppy.c.

#define ST0   status[0]

Definition at line 85 of file floppy.c.

#define ST1   status[1]

Definition at line 86 of file floppy.c.

#define ST2   status[2]

Definition at line 87 of file floppy.c.

#define ST3   status[3]

Definition at line 88 of file floppy.c.

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Function Documentation

int block (  void   )

Definition at line 840 of file floppy.c. Referenced by endrequest(), init_floppy(), read_sector(), read_sector_id(), recalibrate(), seek(), and sendrequest().

void dump_states (  void   )

Definition at line 1191 of file floppy.c. Referenced by read_sector(), read_sector_block_new(), recalibrate(), recalibrate_block_new(), seek(), and seek_block_new().

void dump_status_register (  int  numero, byte  valor )

Definition at line 1205 of file floppy.c. Referenced by dump_states().

void error (   )

Definition at line 1154 of file floppy.c. Referenced by error_por_timeout(), leer_escribir_new(), read_sector_block_new(), recalibrate_block_new(), and seek_block_new().

void error_por_timeout (   )

Definition at line 1142 of file floppy.c. Referenced by read_sector_new(), recalibrate_new(), and seek_new().

void Floppy (  void   )

Definition at line 1258 of file floppy.c.

int floppy_get_result (  void   )

Definition at line 197 of file floppy.c. Referenced by init_floppy(), init_floppy_block_new(), read_sector(), read_sector_block_new(), read_sector_id(), recalibrate(), recalibrate_block_new(), seek(), and seek_block_new().

void floppy_procesar_buffer (  void   )

Definition at line 1277 of file floppy.c.

int floppy_sendbyte (  byte  valor  )

Definition at line 171 of file floppy.c. Referenced by init_floppy(), init_floppy_block_new(), read_sector(), read_sector_id(), read_sector_new(), recalibrate(), recalibrate_block_new(), recalibrate_new(), seek(), seek_block_new(), and seek_new().

int init_floppy (   )

Definition at line 229 of file floppy.c. Referenced by leer_escribir().

void init_floppy_block_new (  void   )

Definition at line 319 of file floppy.c. Referenced by init_floppy_new().

void init_floppy_DMA (  byte  comando  )

Definition at line 869 of file floppy.c. Referenced by read_sector(), and read_sector_new().

void init_floppy_new (   )

Definition at line 302 of file floppy.c.

int leer_escribir (  byte  operacion, dword  sector_logico, byte *  buffer )

Definition at line 897 of file floppy.c.

void leer_escribir_new (   )

Definition at line 1007 of file floppy.c. Referenced by floppy_procesar_buffer(), init_floppy_block_new(), motor_on_new_finish(), read_sector_block_new(), recalibrate_block_new(), and seek_block_new().

int leer_sec (  byte  cara, byte  cilindro, byte  sector, byte *  buffer )

Definition at line 1177 of file floppy.c. Referenced by leer_escribir().

void motor_off (   )

Definition at line 132 of file floppy.c.

void motor_off_new (  timer_t *  timer  )

Definition at line 140 of file floppy.c. Referenced by error(), and leer_escribir_new().

void motor_on (   )

Definition at line 97 of file floppy.c. Referenced by leer_escribir(), read_sector_id(), and recalibrate().

void motor_on_new (   )

Definition at line 108 of file floppy.c. Referenced by leer_escribir_new().

void motor_on_new_finish (  timer_t *  timer  )

Definition at line 116 of file floppy.c. Referenced by motor_on_new().

char read_msr (   )

Definition at line 825 of file floppy.c.

int read_sector (  byte  cara, byte  cilindro, byte  sector )

Definition at line 676 of file floppy.c. Referenced by leer_sec().

void read_sector_block_new (   )

Definition at line 788 of file floppy.c. Referenced by read_sector_new().

byte read_sector_id (  void   )

Definition at line 509 of file floppy.c.

int read_sector_new (  byte  cara, byte  cilindro, byte  sector )

Definition at line 735 of file floppy.c. Referenced by leer_escribir_new().

int recalibrate (   )

Definition at line 387 of file floppy.c. Referenced by leer_escribir().

void recalibrate_block_new (  void   )

Definition at line 462 of file floppy.c. Referenced by recalibrate_new().

int recalibrate_new (   )

Definition at line 434 of file floppy.c. Referenced by leer_escribir_new().

byte seek (  byte  cara, byte  pista )

Definition at line 554 of file floppy.c. Referenced by leer_escribir().

void seek_block_new (   )

Definition at line 621 of file floppy.c. Referenced by seek_new().

int seek_new (  byte  cara, byte  pista )

Definition at line 593 of file floppy.c. Referenced by leer_escribir_new().

void set_dor (  word  valor  )

Definition at line 161 of file floppy.c.

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Variable Documentation

block_cache_t* actual_request = NULL [static]

Definition at line 67 of file floppy.c.

addr_t dma_address = 0xA0000 - 1024

Definition at line 94 of file floppy.c. Referenced by init_floppy_DMA(), leer_escribir_new(), and leer_sec().

byte floppy_calibrado = 0 [static]

Definition at line 72 of file floppy.c. Referenced by error(), leer_escribir(), leer_escribir_new(), motor_off(), motor_off_new(), recalibrate(), recalibrate_block_new(), and recalibrate_new().

byte floppy_continuar [static]

Definition at line 838 of file floppy.c. Referenced by block(), and Floppy().

void(* func)(void) = NULL [static]

Definition at line 64 of file floppy.c.

char* ic_codes[] [static]

Initial value: { "Terminacion Normal", "Terminacion erronea", "Comando invalido" , "Terminacion erronea causada por polling" } Definition at line 1202 of file floppy.c.

byte motor_status = MOTOR_OFF [static]

Definition at line 71 of file floppy.c. Referenced by leer_escribir(), leer_escribir_new(), motor_off(), motor_off_new(), motor_on(), and motor_on_new_finish().

byte rw_status = 0 [static]

Definition at line 74 of file floppy.c. Referenced by error(), leer_escribir_new(), motor_off_new(), and read_sector_block_new().

byte seek_status = 0 [static]

Definition at line 73 of file floppy.c. Referenced by error(), leer_escribir_new(), motor_off_new(), and seek_block_new().

int status[12] [static]

Definition at line 83 of file floppy.c. Referenced by dump_states(), floppy_get_result(), and read_sector_id().

timer_t* timer_motor = NULL [static]

Definition at line 77 of file floppy.c. Referenced by error(), leer_escribir_new(), motor_off_new(), motor_on_new(), and motor_on_new_finish().

timer_t* timer_timeout = NULL [static]

Definition at line 79 of file floppy.c. Referenced by error_por_timeout(), read_sector_block_new(), read_sector_new(), recalibrate_block_new(), recalibrate_new(), seek_block_new(), and seek_new().

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