2 Copyright (C) 1996, 1997, 1998, 2007 Free Software Foundation, Inc.
3 Contributed by Cygnus Support.
5 This file is part of GDB, the GNU debugger.
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/>. */
21 #include "libiberty.h"
22 #include "sim-options.h"
24 #include "sim-assert.h"
27 static void model_set (sim_cpu *, const MODEL *);
29 static DECLARE_OPTION_HANDLER (model_option_handler);
31 static MODULE_INIT_FN sim_model_init;
33 #define OPTION_MODEL (OPTION_START + 0)
35 static const OPTION model_options[] = {
36 { {"model", required_argument, NULL, OPTION_MODEL},
37 '\0', "MODEL", "Specify model to simulate",
38 model_option_handler },
39 { {NULL, no_argument, NULL, 0}, '\0', NULL, NULL, NULL }
43 model_option_handler (SIM_DESC sd, sim_cpu *cpu, int opt,
44 char *arg, int is_command)
50 const MODEL *model = sim_model_lookup (arg);
53 sim_io_eprintf (sd, "unknown model `%s'\n", arg);
56 sim_model_set (sd, cpu, model);
65 sim_model_install (SIM_DESC sd)
67 SIM_ASSERT (STATE_MAGIC (sd) == SIM_MAGIC_NUMBER);
69 sim_add_option_table (sd, NULL, model_options);
70 sim_module_add_init_fn (sd, sim_model_init);
75 /* Subroutine of sim_model_set to set the model for one cpu. */
78 model_set (sim_cpu *cpu, const MODEL *model)
80 CPU_MACH (cpu) = MODEL_MACH (model);
81 CPU_MODEL (cpu) = model;
82 (* MACH_INIT_CPU (MODEL_MACH (model))) (cpu);
83 (* MODEL_INIT (model)) (cpu);
86 /* Set the current model of CPU to MODEL.
87 If CPU is NULL, all cpus are set to MODEL. */
90 sim_model_set (SIM_DESC sd, sim_cpu *cpu, const MODEL *model)
96 for (c = 0; c < MAX_NR_PROCESSORS; ++c)
97 if (STATE_CPU (sd, c))
98 model_set (STATE_CPU (sd, c), model);
102 model_set (cpu, model);
106 /* Look up model named NAME.
107 Result is pointer to MODEL entry or NULL if not found. */
110 sim_model_lookup (const char *name)
115 for (machp = & sim_machs[0]; *machp != NULL; ++machp)
117 for (model = MACH_MODELS (*machp); MODEL_NAME (model) != NULL; ++model)
119 if (strcmp (MODEL_NAME (model), name) == 0)
126 /* Look up machine named NAME.
127 Result is pointer to MACH entry or NULL if not found. */
130 sim_mach_lookup (const char *name)
134 for (machp = & sim_machs[0]; *machp != NULL; ++machp)
136 if (strcmp (MACH_NAME (*machp), name) == 0)
142 /* Look up a machine via its bfd name.
143 Result is pointer to MACH entry or NULL if not found. */
146 sim_mach_lookup_bfd_name (const char *name)
150 for (machp = & sim_machs[0]; *machp != NULL; ++machp)
152 if (strcmp (MACH_BFD_NAME (*machp), name) == 0)
158 /* Initialize model support. */
161 sim_model_init (SIM_DESC sd)
165 /* If both cpu model and state architecture are set, ensure they're
166 compatible. If only one is set, set the other. If neither are set,
167 use the default model. STATE_ARCHITECTURE is the bfd_arch_info data
168 for the selected "mach" (bfd terminology). */
170 /* Only check cpu 0. STATE_ARCHITECTURE is for that one only. */
171 /* ??? At present this only supports homogeneous multiprocessors. */
172 cpu = STATE_CPU (sd, 0);
174 if (! STATE_ARCHITECTURE (sd)
177 /* Set the default model. */
178 const MODEL *model = sim_model_lookup (WITH_DEFAULT_MODEL);
179 sim_model_set (sd, NULL, model);
182 if (STATE_ARCHITECTURE (sd)
185 if (strcmp (STATE_ARCHITECTURE (sd)->printable_name,
186 MACH_BFD_NAME (CPU_MACH (cpu))) != 0)
188 sim_io_eprintf (sd, "invalid model `%s' for `%s'\n",
189 MODEL_NAME (CPU_MODEL (cpu)),
190 STATE_ARCHITECTURE (sd)->printable_name);
194 else if (STATE_ARCHITECTURE (sd))
196 /* Use the default model for the selected machine.
197 The default model is the first one in the list. */
198 const MACH *mach = sim_mach_lookup_bfd_name (STATE_ARCHITECTURE (sd)->printable_name);
202 sim_io_eprintf (sd, "unsupported machine `%s'\n",
203 STATE_ARCHITECTURE (sd)->printable_name);
206 sim_model_set (sd, NULL, MACH_MODELS (mach));
210 STATE_ARCHITECTURE (sd) = bfd_scan_arch (MACH_BFD_NAME (CPU_MACH (cpu)));