1 /* int.c --- M32C interrupt handling.
3 Copyright (C) 2005, 2007 Free Software Foundation, Inc.
4 Contributed by Red Hat, Inc.
6 This file is part of the GNU simulators.
8 This program is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 3 of the License, or
11 (at your option) any later version.
13 This program is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with this program. If not, see <http://www.gnu.org/licenses/>. */
27 trigger_fixed_interrupt (int addr)
30 int f = get_reg (flags);
38 mem_put_qi (s + 2, f);
39 mem_put_qi (s + 3, ((f >> 4) & 0x0f) | (p >> 16));
46 mem_put_hi (s + 4, f);
48 put_reg (pc, mem_get_psi (addr));
49 set_flags (FLAGBIT_U | FLAGBIT_I | FLAGBIT_D, 0);
53 trigger_based_interrupt (int vector)
55 int addr = get_reg (intb) + vector * 4;
57 set_flags (FLAGBIT_U, 0);
58 trigger_fixed_interrupt (addr);