pcsx2/pcsx2hostfs/iop/tty.c

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/*********************************************************************
* Copyright (C) 2003 Tord Lindstrom (pukko@home.se)
* This file is subject to the terms and conditions of the PS2Link License.
* See the file LICENSE in the main directory of this distribution for more
* details.
*/
#include <types.h>
#include <thbase.h>
#include <thsemap.h>
#include <sysclib.h>
#include <stdio.h>
#include <ioman.h>
#include <intrman.h>
#include <loadcore.h>
#include "net_fio.h"
#include "hostlink.h"
////////////////////////////////////////////////////////////////////////
static int tty_socket = 0;
static int tty_sema = -1;
static char ttyname[] = "tty";
////////////////////////////////////////////////////////////////////////
static int dummy()
{
return -5;
}
////////////////////////////////////////////////////////////////////////
static int dummy0()
{
return 0;
}
////////////////////////////////////////////////////////////////////////
static int ttyInit(iop_device_t *driver)
{
iop_sema_t sema_info;
sema_info.attr = 0;
sema_info.initial = 1; /* Unlocked. */
sema_info.max = 1;
if ((tty_sema = CreateSema(&sema_info)) < 0)
return -1;
if(!pcsx2fio_device_exists())
return -1;
return 1;
}
////////////////////////////////////////////////////////////////////////
static int ttyOpen( int fd, char *name, int mode)
{
return 1;
}
////////////////////////////////////////////////////////////////////////
static int ttyClose( int fd)
{
return 1;
}
////////////////////////////////////////////////////////////////////////
int ttyWrite(iop_file_t *file, char *buf, int size)
{
int res;
WaitSema(tty_sema);
res = pcsx2fio_set_call(PS2E_FIO_PRINTF_CMD,buf,size);
SignalSema(tty_sema);
return res;
}
iop_device_ops_t tty_functarray = { ttyInit, dummy0, (void *)dummy,
(void *)ttyOpen, (void *)ttyClose, (void *)dummy,
(void *)ttyWrite, (void *)dummy, (void *)dummy,
(void *)dummy, (void *)dummy, (void *)dummy,
(void *)dummy, (void *)dummy, (void *)dummy,
(void *)dummy, (void *)dummy };
iop_device_t tty_driver = { ttyname, 3, 1, "Fast TTY for pcsx2",
&tty_functarray };
////////////////////////////////////////////////////////////////////////
// Entry point for mounting the file system
int ttyMount(void)
{
close(0);
close(1);
DelDrv(ttyname);
AddDrv(&tty_driver);
if(open("tty00:", O_RDONLY) != 0) while(1);
if(open("tty00:", O_WRONLY) != 1) while(1);
return 0;
}