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/*
* Creation Date: <2004/08/28 18:38:22 greg>
* Time-stamp: <2004/08/28 18:38:22 greg>
*
* <methods.c>
*
* Misc device node methods
*
* Copyright (C) 2004 Greg Watson
*
* Based on MOL specific code which is
*
* Copyright (C) 2003, 2004 Samuel Rydh (samuel@ibrium.se)
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* version 2
*
*/
#include "config.h"
#include "libopenbios/bindings.h"
#include "libc/string.h"
// #include "libopenbios/ofmem.h"
/************************************************************************/
/* stdout */
/************************************************************************/
DECLARE_NODE( video_stdout, INSTALL_OPEN, 0, "Tdisplay" );
/* ( addr len -- actual ) */
static void
stdout_write( void )
{
int len = POP();
char *addr = (char*)POP();
printk( "%s", s );
//vfd_draw_str( s );
console_draw_fstr(addr, len);
PUSH( len );
}
NODE_METHODS( video_stdout ) = {
{ "write", stdout_write },
};
/************************************************************************/
/* tty */
/************************************************************************/
DECLARE_NODE( tty, INSTALL_OPEN, 0, "/packages/terminal-emulator" );
/* ( addr len -- actual ) */
static void
tty_read( void )
{
int ch, len = POP();
char *p = (char*)POP();
int ret=0;
if( len > 0 ) {
ret = 1;
ch = getchar();
if( ch >= 0 ) {
*p = ch;
} else {
ret = 0;
}
}
PUSH( ret );
}
/* ( addr len -- actual ) */
static void
tty_write( void )
{
int i, len = POP();
char *p = (char*)POP();
for( i=0; i<len; i++ )
putchar( *p++ );
RET( len );
}
NODE_METHODS( tty ) = {
{ "read", tty_read },
{ "write", tty_write },
};
/************************************************************************/
/* init */
/************************************************************************/
void
node_methods_init( void )
{
REGISTER_NODE( video_stdout );
REGISTER_NODE( tty );
}
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