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 );
}
void
nvconf_init( void )
{
int once=0;
/* initialize nvram structure completely */
nvram.config = NULL;
nvram.config_size = 0;
nvram.size = arch_nvram_size();
nvram.data = malloc( nvram.size );
arch_nvram_get( nvram.data );
bind_func( "update-nvram", update_nvram );
for( ;; ) {
nvpart_t *p = NULL;
int err;
while( (err=next_nvpart(&p)) > 0 ) {
if( nvpart_checksum(p) != p->checksum ) {
err = -1;
break;
}
if( p->signature == NV_SIG_SYSTEM ) {
nvram.config = p;
nvram.config_size = nvpart_size(p) - 0x10;
if( !once++ ) {
PUSH( pointer2cell(p->data) );
PUSH( nvram.config_size );
fword("nvram-load-configs");
}
}
}
if( err || !nvram.config ) {
printk("nvram error detected, zapping pram\n");
zap_nvram();
if( !once++ )
fword("set-defaults");
continue;
}
break;
}
}
