xref: /netbsd-src/external/gpl3/gdb/dist/sim/microblaze/sim-main.h (revision d90047b5d07facf36e6c01dcc0bded8997ce9cc2)
1 /* Copyright 2009-2019 Free Software Foundation, Inc.
2 
3    This file is part of the Xilinx MicroBlaze simulator.
4 
5    This library is free software; you can redistribute it and/or modify
6    it under the terms of the GNU General Public License as published by
7    the Free Software Foundation; either version 3 of the License, or
8    (at your option) any later version.
9 
10    This program is distributed in the hope that it will be useful,
11    but WITHOUT ANY WARRANTY; without even the implied warranty of
12    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13    GNU General Public License for more details.
14 
15    You should have received a copy of the GNU General Public License
16    along with this program; if not, see <http://www.gnu.org/licenses/>.  */
17 
18 #ifndef MICROBLAZE_SIM_MAIN
19 #define MICROBLAZE_SIM_MAIN
20 
21 #include "microblaze.h"
22 #include "sim-basics.h"
23 #include "sim-base.h"
24 
25 /* The machine state.
26    This state is maintained in host byte order.  The
27    fetch/store register functions must translate between host
28    byte order and the target processor byte order.
29    Keeping this data in target byte order simplifies the register
30    read/write functions.  Keeping this data in native order improves
31    the performance of the simulator.  Simulation speed is deemed more
32    important.  */
33 
34 /* The ordering of the microblaze_regset structure is matched in the
35    gdb/config/microblaze/tm-microblaze.h file in the REGISTER_NAMES macro.  */
36  struct microblaze_regset
37 {
38   word	          regs[32];		/* primary registers */
39   word	          spregs[2];		/* pc + msr */
40   int		  cycles;
41   int		  insts;
42   ubyte           imm_enable;
43   half            imm_high;
44 };
45 
46 struct _sim_cpu {
47   struct microblaze_regset microblaze_cpu;
48   sim_cpu_base base;
49 };
50 
51 struct sim_state {
52 
53   sim_cpu *cpu[MAX_NR_PROCESSORS];
54 
55   sim_state_base base;
56 };
57 
58 #endif /* MICROBLAZE_SIM_MAIN */
59