1 /* Register definitions for the FRV simulator
2 Copyright (C) 2000 Free Software Foundation, Inc.
3 Contributed by Red Hat.
5 This file is part of the GNU Simulators.
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2, or (at your option)
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
26 #define FRV_MAX_CPR 64
27 #define FRV_MAX_SPR 4096
29 /* Register init, reset values and read_only masks. */
32 USI init_value; /* initial value */
33 USI reset_value; /* value for software reset */
34 USI reset_mask; /* bits which are reset */
35 USI read_only_mask; /* bits which are read-only */
36 char implemented; /* 1==register is implemented */
37 char supervisor; /* 1==register is supervisor-only */
38 } FRV_SPR_CONTROL_INFO;
42 int fr; /* FR registers implemented */
43 int cpr; /* coprocessor registers implemented */
44 FRV_SPR_CONTROL_INFO *spr; /* SPR implementation details */
45 } FRV_REGISTER_CONTROL;
47 void frv_register_control_init (SIM_CPU *);
48 void frv_initialize_spr (SIM_CPU *);
49 void frv_reset_spr (SIM_CPU *);
51 void frv_check_spr_access (SIM_CPU *, UINT);
53 void frv_fr_registers_available (SIM_CPU *, int *, int *);
54 void frv_gr_registers_available (SIM_CPU *, int *, int *);
55 int frv_check_register_access (SIM_CPU *, SI, int, int);
56 int frv_check_gr_access (SIM_CPU *, SI);
57 int frv_check_fr_access (SIM_CPU *, SI);
59 #endif /* REGISTERS_H */