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