mirror of
https://github.com/darlinghq/darling-gdb.git
synced 2024-11-25 13:09:48 +00:00
99 lines
2.5 KiB
C
99 lines
2.5 KiB
C
/* 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@<address> - bus for attaching devices
|
|
|
|
|
|
Description:
|
|
|
|
IOBUS provides a simple `local' bus for attaching (hanging)
|
|
programmed IO devices from. All child devices are mapped into this
|
|
devices parent address space (after adjusting for the iobus's base
|
|
address).
|
|
|
|
|
|
Properties:
|
|
|
|
None.
|
|
|
|
*/
|
|
|
|
static void
|
|
hw_iobus_attach_address_callback(device *me,
|
|
const char *name,
|
|
attach_type type,
|
|
int space,
|
|
unsigned_word addr,
|
|
unsigned nr_bytes,
|
|
access_type access,
|
|
device *who) /*callback/default*/
|
|
{
|
|
unsigned_word hw_iobus_addr;
|
|
/* sanity check */
|
|
if (space != 0)
|
|
error("hw_iobus_attach_address_callback() no space for %s/%s\n",
|
|
device_name(me), name);
|
|
/* get the bus address */
|
|
if (device_unit_address(me)->nr_cells != 1)
|
|
error("hw_iobus_attach_address_callback() invalid address for %s\n",
|
|
device_name(me));
|
|
hw_iobus_addr = device_unit_address(me)->cells[0];
|
|
device_attach_address(device_parent(me),
|
|
device_name(me),
|
|
type,
|
|
0 /*space*/,
|
|
hw_iobus_addr + addr,
|
|
nr_bytes,
|
|
access,
|
|
who);
|
|
}
|
|
|
|
|
|
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, }
|
|
};
|
|
|
|
|
|
const device_descriptor hw_iobus_device_descriptor[] = {
|
|
{ "iobus", NULL, &hw_iobus_callbacks },
|
|
{ NULL, },
|
|
};
|
|
|
|
#endif /* _HW_IOBUS_ */
|