1 /* Simulator memory option handling.
2 Copyright (C) 1996, 1997 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 2, or (at your option)
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 along
18 with this program; if not, write to the Free Software Foundation, Inc.,
19 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. */
22 #include "sim-assert.h"
23 #include "sim-options.h"
36 /* Memory command line options. */
39 OPTION_MEMORY_DELETE
= OPTION_START
,
47 static DECLARE_OPTION_HANDLER (memory_option_handler
);
49 static const OPTION memory_options
[] =
51 { {"memory-delete", required_argument
, NULL
, OPTION_MEMORY_DELETE
},
52 '\0', "ADDRESS|all", "Delete memory at ADDRESS (all addresses)",
53 memory_option_handler
},
54 { {"delete-memory", required_argument
, NULL
, OPTION_MEMORY_DELETE
},
55 '\0', "ADDRESS", NULL
,
56 memory_option_handler
},
58 { {"memory-region", required_argument
, NULL
, OPTION_MEMORY_REGION
},
59 '\0', "ADDRESS,SIZE[,MODULO]", "Add a memory region",
60 memory_option_handler
},
62 { {"memory-alias", required_argument
, NULL
, OPTION_MEMORY_ALIAS
},
63 '\0', "ADDRESS,SIZE{,ADDRESS}", "Add memory shadow",
64 memory_option_handler
},
66 { {"memory-size", required_argument
, NULL
, OPTION_MEMORY_SIZE
},
67 '\0', "SIZE", "Add memory at address zero",
68 memory_option_handler
},
70 { {"memory-clear", no_argument
, NULL
, OPTION_MEMORY_CLEAR
},
71 '\0', NULL
, "Clear all memory regions",
72 memory_option_handler
},
74 { {"memory-info", no_argument
, NULL
, OPTION_MEMORY_INFO
},
75 '\0', NULL
, "List configurable memory regions",
76 memory_option_handler
},
77 { {"info-memory", no_argument
, NULL
, OPTION_MEMORY_INFO
},
79 memory_option_handler
},
81 { {NULL
, no_argument
, NULL
, 0}, '\0', NULL
, NULL
, NULL
}
86 do_memopt_add (SIM_DESC sd
,
90 address_word nr_bytes
,
95 sim_core_attach (sd
, NULL
,
96 level
, access_read_write_exec
, space
,
97 addr
, nr_bytes
, modulo
, NULL
, buffer
);
98 while ((*entry
) != NULL
)
99 entry
= &(*entry
)->next
;
100 (*entry
) = ZALLOC (sim_memopt
);
101 (*entry
)->level
= level
;
102 (*entry
)->space
= space
;
103 (*entry
)->addr
= addr
;
104 (*entry
)->nr_bytes
= nr_bytes
;
105 (*entry
)->modulo
= modulo
;
106 (*entry
)->buffer
= buffer
;
111 do_memopt_delete (SIM_DESC sd
,
116 sim_memopt
**entry
= &STATE_MEMOPT (sd
);
118 while ((*entry
) != NULL
119 && ((*entry
)->level
!= level
120 || (*entry
)->space
!= space
121 || (*entry
)->addr
!= addr
))
122 entry
= &(*entry
)->next
;
123 if ((*entry
) == NULL
)
125 sim_io_eprintf (sd
, "Memory at 0x%lx not found, not deleted\n",
129 /* delete any buffer */
130 if ((*entry
)->buffer
!= NULL
)
131 zfree ((*entry
)->buffer
);
132 /* delete it and its aliases */
134 *entry
= (*entry
)->next
;
135 while (alias
!= NULL
)
137 sim_memopt
*dead
= alias
;
138 alias
= alias
->alias
;
139 sim_core_detach (sd
, NULL
, dead
->level
, dead
->space
, dead
->addr
);
147 parse_size (char *chp
,
148 address_word
*nr_bytes
,
151 /* <nr_bytes> [ "%" <modulo> ] */
152 *nr_bytes
= strtoul (chp
, &chp
, 0);
155 *modulo
= strtoul (chp
+ 1, &chp
, 0);
162 parse_addr (char *chp
,
167 /* [ <space> ": " ] <addr> [ "@" <level> ] */
168 *addr
= strtoul (chp
, &chp
, 0);
172 *addr
= strtoul (chp
+ 1, &chp
, 0);
176 *level
= strtoul (chp
+ 1, &chp
, 0);
183 memory_option_handler (SIM_DESC sd
, sim_cpu
*cpu
, int opt
,
184 char *arg
, int is_command
)
189 case OPTION_MEMORY_DELETE
:
190 if (strcasecmp (arg
, "all") == 0)
192 while (STATE_MEMOPT (sd
) != NULL
)
193 do_memopt_delete (sd
,
194 STATE_MEMOPT (sd
)->level
,
195 STATE_MEMOPT (sd
)->space
,
196 STATE_MEMOPT (sd
)->addr
);
203 address_word addr
= 0;
204 parse_addr (arg
, &level
, &space
, &addr
);
205 return do_memopt_delete (sd
, level
, space
, addr
);
208 case OPTION_MEMORY_REGION
:
213 address_word addr
= 0;
214 address_word nr_bytes
= 0;
216 /* parse the arguments */
217 chp
= parse_addr (chp
, &level
, &space
, &addr
);
220 sim_io_eprintf (sd
, "Missing size for memory-region\n");
223 chp
= parse_size (chp
+ 1, &nr_bytes
, &modulo
);
226 modulo
= strtoul (chp
+ 1, &chp
, 0);
227 /* try to attach/insert it */
228 do_memopt_add (sd
, level
, space
, addr
, nr_bytes
, modulo
,
229 &STATE_MEMOPT (sd
), NULL
);
233 case OPTION_MEMORY_ALIAS
:
238 address_word addr
= 0;
239 address_word nr_bytes
= 0;
242 /* parse the arguments */
243 chp
= parse_addr (chp
, &level
, &space
, &addr
);
246 sim_io_eprintf (sd
, "Missing size for memory-region\n");
249 chp
= parse_size (chp
+ 1, &nr_bytes
, &modulo
);
250 /* try to attach/insert the main record */
251 entry
= do_memopt_add (sd
, level
, space
, addr
, nr_bytes
, modulo
,
253 zalloc (modulo
? modulo
: nr_bytes
));
254 /* now attach all the aliases */
259 address_word a_addr
= addr
;
260 chp
= parse_addr (chp
+ 1, &a_level
, &a_space
, &a_addr
);
261 do_memopt_add (sd
, a_level
, a_space
, a_addr
, nr_bytes
, modulo
,
262 &entry
->alias
, entry
->buffer
);
267 case OPTION_MEMORY_SIZE
:
271 address_word addr
= 0;
272 address_word nr_bytes
= 0;
274 /* parse the arguments */
275 parse_size (arg
, &nr_bytes
, &modulo
);
276 /* try to attach/insert it */
277 do_memopt_add (sd
, level
, space
, addr
, nr_bytes
, modulo
,
278 &STATE_MEMOPT (sd
), NULL
);
282 case OPTION_MEMORY_CLEAR
:
285 for (entry
= STATE_MEMOPT (sd
); entry
!= NULL
; entry
= entry
->next
)
288 for (alias
= entry
; alias
!= NULL
; alias
= alias
->next
)
291 address_word nr_bytes
;
292 if (alias
->modulo
!= 0)
293 nr_bytes
= alias
->modulo
;
295 nr_bytes
= alias
->nr_bytes
;
296 sim_core_write_buffer (sd
, NULL
, sim_core_write_map
,
298 alias
->addr
+ nr_bytes
,
307 case OPTION_MEMORY_INFO
:
310 sim_io_printf (sd
, "Memory maps:\n");
311 for (entry
= STATE_MEMOPT (sd
); entry
!= NULL
; entry
= entry
->next
)
314 sim_io_printf (sd
, " memory");
315 if (entry
->alias
== NULL
)
316 sim_io_printf (sd
, " region ");
318 sim_io_printf (sd
, " alias ");
319 if (entry
->space
!= 0)
320 sim_io_printf (sd
, "0x%lx:", (long) entry
->space
);
321 sim_io_printf (sd
, "0x%08lx", (long) entry
->addr
);
322 if (entry
->level
!= 0)
323 sim_io_printf (sd
, "@0x%lx", (long) entry
->level
);
324 sim_io_printf (sd
, ",0x%lx",
325 (long) entry
->nr_bytes
);
326 if (entry
->modulo
!= 0)
327 sim_io_printf (sd
, "%%0x%lx", (long) entry
->modulo
);
328 for (alias
= entry
->alias
;
332 if (alias
->space
!= 0)
333 sim_io_printf (sd
, "0x%lx:", (long) alias
->space
);
334 sim_io_printf (sd
, ",0x%08lx", (long) alias
->addr
);
335 if (alias
->level
!= 0)
336 sim_io_printf (sd
, "@0x%lx", (long) alias
->level
);
338 sim_io_printf (sd
, "\n");
345 sim_io_eprintf (sd
, "Unknown memory option %d\n", opt
);
354 /* "memory" module install handler.
356 This is called via sim_module_install to install the "memory" subsystem
357 into the simulator. */
359 static MODULE_INIT_FN sim_memory_init
;
360 static MODULE_UNINSTALL_FN sim_memory_uninstall
;
363 sim_memopt_install (SIM_DESC sd
)
365 SIM_ASSERT (STATE_MAGIC (sd
) == SIM_MAGIC_NUMBER
);
366 sim_add_option_table (sd
, NULL
, memory_options
);
367 sim_module_add_uninstall_fn (sd
, sim_memory_uninstall
);
368 sim_module_add_init_fn (sd
, sim_memory_init
);
373 /* Uninstall the "memory" subsystem from the simulator. */
376 sim_memory_uninstall (SIM_DESC sd
)
378 /* FIXME: free buffers, etc. */
383 sim_memory_init (SIM_DESC sd
)
385 /* FIXME: anything needed? */