1 /* Register definitions for the FRV simulator
2 Copyright (C) 2000, 2007, 2008, 2009, 2010, 2011
3 Free Software Foundation, Inc.
4 Contributed by Red Hat.
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/>. */
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 */
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