| /* CRIS device support |
| Copyright (C) 2004, 2005, 2006 Free Software Foundation, Inc. |
| Contributed by Axis Communications. |
| |
| 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 2, 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. */ |
| |
| /* Based on the i960 devices.c (for the purposes, the same as all the |
| others). */ |
| |
| #include "sim-main.h" |
| |
| #ifdef HAVE_DV_SOCKSER |
| #include "dv-sockser.h" |
| #endif |
| |
| #include "hw-device.h" |
| |
| /* Placeholder definition. */ |
| struct _device { char dummy; } cris_devices; |
| |
| void |
| device_error (device *me ATTRIBUTE_UNUSED, |
| char *message ATTRIBUTE_UNUSED, |
| ...) |
| { |
| abort (); |
| } |
| |
| int |
| device_io_read_buffer (device *me ATTRIBUTE_UNUSED, |
| void *source ATTRIBUTE_UNUSED, |
| int space ATTRIBUTE_UNUSED, |
| address_word addr ATTRIBUTE_UNUSED, |
| unsigned nr_bytes ATTRIBUTE_UNUSED, |
| SIM_DESC sd ATTRIBUTE_UNUSED, |
| SIM_CPU *cpu ATTRIBUTE_UNUSED, |
| sim_cia cia ATTRIBUTE_UNUSED) |
| { |
| #if WITH_HW |
| return hw_io_read_buffer ((struct hw *) me, source, space, addr, nr_bytes); |
| #else |
| abort (); |
| #endif |
| } |
| |
| int |
| device_io_write_buffer (device *me ATTRIBUTE_UNUSED, |
| const void *source, |
| int space ATTRIBUTE_UNUSED, |
| address_word addr, unsigned nr_bytes, |
| SIM_DESC sd, SIM_CPU *cpu, sim_cia cia) |
| { |
| static const unsigned char ok[] = { 4, 0, 0, 0x90}; |
| static const unsigned char bad[] = { 8, 0, 0, 0x90}; |
| |
| if (cris_have_900000xxif) |
| { |
| if (addr == 0x90000004 && memcmp (source, ok, sizeof ok) == 0) |
| return cris_break_13_handler (cpu, 1, 0, 0, 0, 0, 0, 0, cia); |
| else if (addr == 0x90000008 |
| && memcmp (source, bad, sizeof bad) == 0) |
| return cris_break_13_handler (cpu, 1, 34, 0, 0, 0, 0, 0, cia); |
| } |
| #if WITH_HW |
| else |
| return hw_io_write_buffer ((struct hw *) me, source, space, addr, nr_bytes); |
| #endif |
| |
| /* If it wasn't one of those, send an invalid-memory signal. */ |
| sim_core_signal (sd, cpu, cia, 0, nr_bytes, addr, |
| write_transfer, sim_core_unmapped_signal); |
| |
| return 0; |
| } |