/* 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_ */