165 lines
2.6 KiB
C
165 lines
2.6 KiB
C
/*
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* Creation Date: <2003/12/19 18:46:21 samuel>
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* Time-stamp: <2004/04/12 16:27:12 samuel>
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*
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* <mol.c>
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*
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*
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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 "config.h"
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#include "kernel/kernel.h"
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#include "arch/common/nvram.h"
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#include "libc/vsprintf.h"
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#include "libc/string.h"
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#include "mol/mol.h"
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#include "osi_calls.h"
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#include <stdarg.h>
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void
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exit( int status )
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{
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OSI_Exit();
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}
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void
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fatal_error( const char *err )
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{
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printk("Fatal error: %s\n", err );
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OSI_Exit();
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}
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void
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panic( const char *err )
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{
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printk("Panic: %s\n", err );
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OSI_Exit();
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/* won't come here... this keeps the gcc happy */
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for( ;; )
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;
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}
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/************************************************************************/
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/* print using OSI interface */
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/************************************************************************/
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static int do_indent;
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int
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printk( const char *fmt, ... )
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{
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char *p, buf[1024];
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va_list args;
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int i;
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va_start(args, fmt);
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i = vnsprintf(buf, sizeof(buf), fmt, args);
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va_end(args);
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for( p=buf; *p; p++ ) {
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if( *p == '\n' )
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do_indent = 0;
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if( do_indent++ == 1 ) {
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OSI_PutC( '>' );
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OSI_PutC( '>' );
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OSI_PutC( ' ' );
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}
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OSI_PutC( *p );
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}
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return i;
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}
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/************************************************************************/
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/* TTY iface */
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/************************************************************************/
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static int ttychar = -1;
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static int
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tty_avail( void )
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{
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return OSI_CallAvailable( OSI_TTY_GETC );
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}
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int
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availchar( void )
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{
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if( !tty_avail() )
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return 0;
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if( ttychar < 0 )
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ttychar = OSI_TTYGetc();
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if( ttychar < 0 )
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OSI_USleep(1);
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return (ttychar >= 0);
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}
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int
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getchar( void )
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{
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int ch;
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if( !tty_avail() )
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return 0;
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if( ttychar < 0 )
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return OSI_TTYGetc();
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ch = ttychar;
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ttychar = -1;
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return ch;
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}
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int
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putchar( int c )
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{
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printk("%c", c );
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if( tty_avail() )
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OSI_TTYPutc( c );
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return c;
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}
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/************************************************************************/
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/* MOL specific stuff */
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/************************************************************************/
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int
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arch_nvram_size( void )
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{
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return OSI_NVRamSize();
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}
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void
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arch_nvram_put( char *buf )
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{
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int i, size = arch_nvram_size();
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for( i=0; i<size; i++ )
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OSI_WriteNVRamByte( i, buf[i] );
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}
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void
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arch_nvram_get( char *buf )
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{
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int i, size = arch_nvram_size();
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/* support for zapping the nvram */
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if( get_bool_res("zap_nvram") == 1 ) {
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memset( buf, 0, size );
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return;
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}
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for( i=0; i<size; i++ )
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buf[i] = OSI_ReadNVRamByte( i );
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}
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