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Annotation of qemu/roms/openbios/arch/x86/xbox/methods.c, revision 1.1

1.1     ! root        1: /*
        !             2:  *   Creation Date: <2004/08/28 18:38:22 greg>
        !             3:  *   Time-stamp: <2004/08/28 18:38:22 greg>
        !             4:  *
        !             5:  *     <methods.c>
        !             6:  *
        !             7:  *     Misc device node methods
        !             8:  *
        !             9:  *   Copyright (C) 2004 Greg Watson
        !            10:  *
        !            11:  *   Based on MOL specific code which is
        !            12:  *
        !            13:  *   Copyright (C) 2003, 2004 Samuel Rydh ([email protected])
        !            14:  *
        !            15:  *   This program is free software; you can redistribute it and/or
        !            16:  *   modify it under the terms of the GNU General Public License
        !            17:  *   version 2
        !            18:  *
        !            19:  */
        !            20: 
        !            21: #include "config.h"
        !            22: #include "libopenbios/bindings.h"
        !            23: #include "libc/string.h"
        !            24: // #include "libopenbios/ofmem.h"
        !            25: 
        !            26: /************************************************************************/
        !            27: /*     stdout                                                          */
        !            28: /************************************************************************/
        !            29: 
        !            30: DECLARE_NODE( video_stdout, INSTALL_OPEN, 0, "Tdisplay" );
        !            31: 
        !            32: /* ( addr len -- actual ) */
        !            33: static void
        !            34: stdout_write( void )
        !            35: {
        !            36:        int len = POP();
        !            37:        char *addr = (char*)POP();
        !            38: 
        !            39:        printk( "%s", s );
        !            40:        //vfd_draw_str( s );
        !            41:         console_draw_fstr(addr, len);
        !            42: 
        !            43:        PUSH( len );
        !            44: }
        !            45: 
        !            46: NODE_METHODS( video_stdout ) = {
        !            47:        { "write",      stdout_write    },
        !            48: };
        !            49: 
        !            50: 
        !            51: /************************************************************************/
        !            52: /*     tty                                                             */
        !            53: /************************************************************************/
        !            54: 
        !            55: DECLARE_NODE( tty, INSTALL_OPEN, 0, "/packages/terminal-emulator" );
        !            56: 
        !            57: /* ( addr len -- actual ) */
        !            58: static void
        !            59: tty_read( void )
        !            60: {
        !            61:        int ch, len = POP();
        !            62:        char *p = (char*)POP();
        !            63:        int ret=0;
        !            64: 
        !            65:        if( len > 0 ) {
        !            66:                ret = 1;
        !            67:                ch = getchar();
        !            68:                if( ch >= 0 ) {
        !            69:                        *p = ch;
        !            70:                } else {
        !            71:                        ret = 0;
        !            72:                }
        !            73:        }
        !            74:        PUSH( ret );
        !            75: }
        !            76: 
        !            77: /* ( addr len -- actual ) */
        !            78: static void
        !            79: tty_write( void )
        !            80: {
        !            81:        int i, len = POP();
        !            82:        char *p = (char*)POP();
        !            83:        for( i=0; i<len; i++ )
        !            84:                putchar( *p++ );
        !            85:        RET( len );
        !            86: }
        !            87: 
        !            88: NODE_METHODS( tty ) = {
        !            89:        { "read",       tty_read        },
        !            90:        { "write",      tty_write       },
        !            91: };
        !            92: 
        !            93: /************************************************************************/
        !            94: /*     init                                                            */
        !            95: /************************************************************************/
        !            96: 
        !            97: void
        !            98: node_methods_init( void )
        !            99: {
        !           100:        REGISTER_NODE( video_stdout );
        !           101:        REGISTER_NODE( tty );
        !           102: }

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