mirror of
https://gitlab.com/qemu-project/openbios.git
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5c9eb9b45b
git-svn-id: svn://coreboot.org/openbios/openbios-devel@1 f158a5a8-5612-0410-a976-696ce0be7e32
109 lines
2.1 KiB
C
109 lines
2.1 KiB
C
/*
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* Creation Date: <2004/08/28 18:38:22 greg>
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* Time-stamp: <2004/08/28 18:38:22 greg>
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*
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* <methods.c>
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*
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* Misc device node methods
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*
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* Copyright (C) 2004 Greg Watson
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*
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* Based on MOL specific code which is
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*
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* Copyright (C) 2003, 2004 Samuel Rydh (samuel@ibrium.se)
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* version 2
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*
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*/
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#include "openbios/config.h"
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#include "openbios/bindings.h"
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#include "libc/string.h"
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// #include "ofmem.h"
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/************************************************************************/
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/* stdout */
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/************************************************************************/
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DECLARE_NODE( video_stdout, INSTALL_OPEN, 0, "Tdisplay" );
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/* ( addr len -- actual ) */
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static void
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stdout_write( void )
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{
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int len = POP();
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char *addr = (char*)POP();
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char *s = malloc( len + 1 );
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strncpy_nopad( s, addr, len );
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s[len]=0;
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printk( "%s", s );
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//vfd_draw_str( s );
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console_draw_str( s );
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free( s );
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PUSH( len );
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}
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NODE_METHODS( video_stdout ) = {
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{ "write", stdout_write },
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};
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/************************************************************************/
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/* tty */
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/************************************************************************/
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DECLARE_NODE( tty, INSTALL_OPEN, 0, "/packages/terminal-emulator" );
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/* ( addr len -- actual ) */
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static void
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tty_read( void )
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{
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int ch, len = POP();
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char *p = (char*)POP();
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int ret=0;
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if( len > 0 ) {
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ret = 1;
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ch = getchar();
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if( ch >= 0 ) {
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*p = ch;
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} else {
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ret = 0;
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}
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}
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PUSH( ret );
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}
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/* ( addr len -- actual ) */
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static void
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tty_write( void )
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{
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int i, len = POP();
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char *p = (char*)POP();
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for( i=0; i<len; i++ )
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putchar( *p++ );
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RET( len );
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}
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NODE_METHODS( tty ) = {
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{ "read", tty_read },
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{ "write", tty_write },
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};
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/************************************************************************/
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/* init */
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/************************************************************************/
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void
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node_methods_init( void )
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{
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REGISTER_NODE( video_stdout );
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REGISTER_NODE( tty );
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}
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