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diff --git a/sim/ppc/hw_iobus.c b/sim/ppc/hw_iobus.c
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--- a/sim/ppc/hw_iobus.c
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-/* This file is part of the program psim.
-
- Copyright (C) 1994-1996, Andrew Cagney <cagney@highland.com.au>
-
- This program is free software; you can redistribute it and/or modify
- it under the terms of the GNU General Public License as published by
- the Free Software Foundation; either version 2 of the License, or
- (at your option) any later version.
-
- This program is distributed in the hope that it will be useful,
- but WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- GNU General Public License for more details.
-
- You should have received a copy of the GNU General Public License
- along with this program; if not, write to the Free Software
- Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
-
- */
-
-
-#ifndef _HW_IOBUS_C_
-#define _HW_IOBUS_C_
-
-#ifndef STATIC_INLINE_HW_IOBUS
-#define STATIC_INLINE_HW_IOBUS STATIC_INLINE
-#endif
-
-#include "device_table.h"
-
-
-/* DEVICE
-
- iobus - simple bus for attaching devices
-
- DESCRIPTION
-
- IOBUS provides a simple `local' bus for attaching (hanging)
- programmed IO devices from. All child devices are directly mapped
- into this devices parent address space (after checking that the
- attach address lies within the <<iobus>> address range. address).
-
- PROPERTIES
-
- None.
-
- */
-
-static void
-hw_iobus_attach_address_callback(device *me,
- attach_type type,
- int space,
- unsigned_word addr,
- unsigned nr_bytes,
- access_type access,
- device *client) /*callback/default*/
-{
- int attach_space;
- unsigned_word attach_address;
- /* sanity check */
- if (space != 0)
- device_error(me, "invalid space (%d) specified by %s",
- space, device_path(client));
- /* get the bus address */
- device_address_to_attach_address(device_parent(me),
- device_unit_address(me),
- &attach_space,
- &attach_address,
- me);
- if (addr < attach_address)
- device_error(me, "Invalid attach address 0x%lx", (unsigned long)addr);
- device_attach_address(device_parent(me),
- type,
- attach_space,
- addr,
- nr_bytes,
- access,
- client);
-}
-
-
-static device_callbacks const hw_iobus_callbacks = {
- { NULL, },
- { hw_iobus_attach_address_callback, },
- { NULL, }, /* IO */
- { NULL, }, /* DMA */
- { NULL, }, /* interrupt */
- { generic_device_unit_decode,
- generic_device_unit_encode,
- generic_device_address_to_attach_address,
- generic_device_size_to_attach_size }
-};
-
-
-const device_descriptor hw_iobus_device_descriptor[] = {
- { "iobus", NULL, &hw_iobus_callbacks },
- { NULL, },
-};
-
-#endif /* _HW_IOBUS_ */