1 /* Main simulator entry points specific to the IQ2000.
2 Copyright (C) 2000-2016 Free Software Foundation, Inc.
3 Contributed by Cygnus Solutions.
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/>. */
24 #include "sim-options.h"
25 #include "libiberty.h"
28 static void free_state (SIM_DESC);
30 /* Cover function for sim_cgen_disassemble_insn. */
33 iq2000bf_disassemble_insn (SIM_CPU *cpu, const CGEN_INSN *insn,
34 const ARGBUF *abuf, IADDR pc, char *buf)
36 sim_cgen_disassemble_insn(cpu, insn, abuf, pc, buf);
39 /* Cover function of sim_state_free to free the cpu buffers as well. */
42 free_state (SIM_DESC sd)
44 if (STATE_MODULES (sd) != NULL)
45 sim_module_uninstall (sd);
46 sim_cpu_free_all (sd);
50 /* Create an instance of the simulator. */
53 sim_open (kind, callback, abfd, argv)
55 host_callback *callback;
61 SIM_DESC sd = sim_state_alloc (kind, callback);
63 /* The cpu data is kept in a separately allocated chunk of memory. */
64 if (sim_cpu_alloc_all (sd, 1, cgen_cpu_max_extra_bytes ()) != SIM_RC_OK)
70 #if 0 /* FIXME: pc is in mach-specific struct */
71 /* FIXME: watchpoints code shouldn't need this */
73 SIM_CPU *current_cpu = STATE_CPU (sd, 0);
74 STATE_WATCHPOINTS (sd)->pc = &(PC);
75 STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC);
79 if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
85 /* getopt will print the error message so we just have to exit if this fails.
86 FIXME: Hmmm... in the case of gdb we need getopt to call
88 if (sim_parse_args (sd, argv) != SIM_RC_OK)
94 /* Allocate core managed memory. */
95 sim_do_commandf (sd, "memory region 0x%lx,0x%lx", IQ2000_INSN_VALUE, IQ2000_INSN_MEM_SIZE);
96 sim_do_commandf (sd, "memory region 0x%lx,0x%lx", IQ2000_DATA_VALUE, IQ2000_DATA_MEM_SIZE);
98 /* check for/establish the reference program image */
99 if (sim_analyze_program (sd,
100 (STATE_PROG_ARGV (sd) != NULL
101 ? *STATE_PROG_ARGV (sd)
109 /* Establish any remaining configuration options. */
110 if (sim_config (sd) != SIM_RC_OK)
116 if (sim_post_argv_init (sd) != SIM_RC_OK)
122 /* Open a copy of the cpu descriptor table. */
124 CGEN_CPU_DESC cd = iq2000_cgen_cpu_open_1 (STATE_ARCHITECTURE (sd)->printable_name,
127 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
129 SIM_CPU *cpu = STATE_CPU (sd, i);
130 CPU_CPU_DESC (cpu) = cd;
131 CPU_DISASSEMBLER (cpu) = iq2000bf_disassemble_insn;
133 iq2000_cgen_init_dis (cd);
136 /* Initialize various cgen things not done by common framework.
137 Must be done after iq2000_cgen_cpu_open. */
144 sim_create_inferior (sd, abfd, argv, envp)
150 SIM_CPU *current_cpu = STATE_CPU (sd, 0);
154 addr = bfd_get_start_address (abfd);
157 sim_pc_set (current_cpu, addr);
159 /* Standalone mode (i.e. `run`) will take care of the argv for us in
160 sim_open() -> sim_parse_args(). But in debug mode (i.e. 'target sim'
161 with `gdb`), we need to handle it because the user can change the
162 argv on the fly via gdb's 'run'. */
163 if (STATE_PROG_ARGV (sd) != argv)
165 freeargv (STATE_PROG_ARGV (sd));
166 STATE_PROG_ARGV (sd) = dupargv (argv);