1 /* Register definitions for the FRV simulator
2 Copyright (C) 2000, 2007, 2008, 2009 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 3 of the License, or
10 (at your option) any later version.
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
18 along with this program. If not, see <http://www.gnu.org/licenses/>. */
25 #define FRV_MAX_CPR 64
26 #define FRV_MAX_SPR 4096
28 /* Register init, reset values and read_only masks. */
31 USI init_value
; /* initial value */
32 USI reset_value
; /* value for software reset */
33 USI reset_mask
; /* bits which are reset */
34 USI read_only_mask
; /* bits which are read-only */
35 char implemented
; /* 1==register is implemented */
36 char supervisor
; /* 1==register is supervisor-only */
37 } FRV_SPR_CONTROL_INFO
;
41 int fr
; /* FR registers implemented */
42 int cpr
; /* coprocessor registers implemented */
43 FRV_SPR_CONTROL_INFO
*spr
; /* SPR implementation details */
44 } FRV_REGISTER_CONTROL
;
46 void frv_register_control_init (SIM_CPU
*);
47 void frv_initialize_spr (SIM_CPU
*);
48 void frv_reset_spr (SIM_CPU
*);
50 void frv_check_spr_access (SIM_CPU
*, UINT
);
52 void frv_fr_registers_available (SIM_CPU
*, int *, int *);
53 void frv_gr_registers_available (SIM_CPU
*, int *, int *);
54 int frv_check_register_access (SIM_CPU
*, SI
, int, int);
55 int frv_check_gr_access (SIM_CPU
*, SI
);
56 int frv_check_fr_access (SIM_CPU
*, SI
);
58 #endif /* REGISTERS_H */
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