binutils-gdb/sim/frv/devices.c

59 lines
1.6 KiB
C

/* frv device support
Copyright (C) 1998-2015 Free Software Foundation, Inc.
Contributed by Red Hat.
This file is part of the GNU simulators.
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 3 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, see <http://www.gnu.org/licenses/>. */
/* ??? All of this is just to get something going. wip! */
#include "sim-main.h"
device frv_devices;
int
device_io_read_buffer (device *me, void *source, int space,
address_word addr, unsigned nr_bytes,
SIM_DESC sd, SIM_CPU *cpu, sim_cia cia)
{
if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT)
return nr_bytes;
return nr_bytes;
}
int
device_io_write_buffer (device *me, const void *source, int space,
address_word addr, unsigned nr_bytes,
SIM_DESC sd, SIM_CPU *cpu, sim_cia cia)
{
#if WITH_SCACHE
if (addr == MCCR_ADDR)
{
if ((*(const char *) source & MCCR_CP) != 0)
scache_flush (sd);
return nr_bytes;
}
#endif
if (STATE_ENVIRONMENT (sd) != OPERATING_ENVIRONMENT)
return nr_bytes;
return nr_bytes;
}
void device_error (device *me, const char *message, ...) {}