2 Copyright (C) 1996, 1997, 1998, 2007, 2008 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
)));