1 /* Main simulator entry points specific to the IQ2000.
2 Copyright (C) 2000-2015 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 /* Records simulator descriptor so utilities like iq2000_dump_regs can be
32 SIM_DESC current_state;
34 /* Cover function for sim_cgen_disassemble_insn. */
37 iq2000bf_disassemble_insn (SIM_CPU *cpu, const CGEN_INSN *insn,
38 const ARGBUF *abuf, IADDR pc, char *buf)
40 sim_cgen_disassemble_insn(cpu, insn, abuf, pc, buf);
43 /* Cover function of sim_state_free to free the cpu buffers as well. */
46 free_state (SIM_DESC sd)
48 if (STATE_MODULES (sd) != NULL)
49 sim_module_uninstall (sd);
50 sim_cpu_free_all (sd);
54 /* Create an instance of the simulator. */
57 sim_open (kind, callback, abfd, argv)
59 host_callback *callback;
65 SIM_DESC sd = sim_state_alloc (kind, callback);
67 /* The cpu data is kept in a separately allocated chunk of memory. */
68 if (sim_cpu_alloc_all (sd, 1, cgen_cpu_max_extra_bytes ()) != SIM_RC_OK)
74 #if 0 /* FIXME: pc is in mach-specific struct */
75 /* FIXME: watchpoints code shouldn't need this */
77 SIM_CPU *current_cpu = STATE_CPU (sd, 0);
78 STATE_WATCHPOINTS (sd)->pc = &(PC);
79 STATE_WATCHPOINTS (sd)->sizeof_pc = sizeof (PC);
83 if (sim_pre_argv_init (sd, argv[0]) != SIM_RC_OK)
89 #if 0 /* FIXME: 'twould be nice if we could do this */
90 /* These options override any module options.
91 Obviously ambiguity should be avoided, however the caller may wish to
92 augment the meaning of an option. */
93 if (extra_options != NULL)
94 sim_add_option_table (sd, extra_options);
97 /* getopt will print the error message so we just have to exit if this fails.
98 FIXME: Hmmm... in the case of gdb we need getopt to call
100 if (sim_parse_args (sd, argv) != SIM_RC_OK)
106 /* Allocate core managed memory. */
107 sim_do_commandf (sd, "memory region 0x%lx,0x%lx", IQ2000_INSN_VALUE, IQ2000_INSN_MEM_SIZE);
108 sim_do_commandf (sd, "memory region 0x%lx,0x%lx", IQ2000_DATA_VALUE, IQ2000_DATA_MEM_SIZE);
110 /* check for/establish the reference program image */
111 if (sim_analyze_program (sd,
112 (STATE_PROG_ARGV (sd) != NULL
113 ? *STATE_PROG_ARGV (sd)
121 /* Establish any remaining configuration options. */
122 if (sim_config (sd) != SIM_RC_OK)
128 if (sim_post_argv_init (sd) != SIM_RC_OK)
134 /* Open a copy of the cpu descriptor table. */
136 CGEN_CPU_DESC cd = iq2000_cgen_cpu_open_1 (STATE_ARCHITECTURE (sd)->printable_name,
139 for (i = 0; i < MAX_NR_PROCESSORS; ++i)
141 SIM_CPU *cpu = STATE_CPU (sd, i);
142 CPU_CPU_DESC (cpu) = cd;
143 CPU_DISASSEMBLER (cpu) = iq2000bf_disassemble_insn;
145 iq2000_cgen_init_dis (cd);
148 /* Initialize various cgen things not done by common framework.
149 Must be done after iq2000_cgen_cpu_open. */
152 /* Store in a global so things like sparc32_dump_regs can be invoked
153 from the gdb command line. */
160 sim_create_inferior (sd, abfd, argv, envp)
166 SIM_CPU *current_cpu = STATE_CPU (sd, 0);
170 addr = bfd_get_start_address (abfd);
173 sim_pc_set (current_cpu, addr);
176 STATE_ARGV (sd) = sim_copy_argv (argv);
177 STATE_ENVP (sd) = sim_copy_argv (envp);