2000-11-04  Gary Thomas  <gthomas@redhat.com>

	* src/var_misc.c: Define clock handling for PPC40x (different
	from default since there is no decrementer).

	* include/variant.inc: Special interrupt fielder for timers.
	Add interrupt decode.

	* include/var_regs.h: Define architecture (variant) specific
	registers and special instructions used to access them.

	* src/var_intr.c: 
	* include/var_intr.h: Define proper interrupt support for
	this platform.

	* include/var_cache.h: Fix details of cache on PPC40x.  Note:
	the data cache has problems - currently left disabled.

	* cdl/hal_powerpc_ppc40x.cdl: Add support for ROM_MONITOR.

//===========================================================================
//####COPYRIGHTBEGIN####
//                                                                          
// -------------------------------------------                              
// The contents of this file are subject to the Red Hat eCos Public License 
// Version 1.1 (the "License"); you may not use this file except in         
// compliance with the License.  You may obtain a copy of the License at    
// http://www.redhat.com/                                                   
//                                                                          
// Software distributed under the License is distributed on an "AS IS"      
// basis, WITHOUT WARRANTY OF ANY KIND, either express or implied.  See the 
// License for the specific language governing rights and limitations under 
// the License.                                                             
//                                                                          
// The Original Code is eCos - Embedded Configurable Operating System,      
// released September 30, 1998.                                             
//                                                                          
// The Initial Developer of the Original Code is Red Hat.                   
// Portions created by Red Hat are                                          
// Copyright (C) 1998, 1999, 2000 Red Hat, Inc.                             
// All Rights Reserved.                                                     
// -------------------------------------------                              
//                                                                          
//####COPYRIGHTEND####
//===========================================================================