1 |
dpavlin |
2 |
/* |
2 |
dpavlin |
22 |
* Copyright (C) 2003-2006 Anders Gavare. All rights reserved. |
3 |
dpavlin |
2 |
* |
4 |
|
|
* Redistribution and use in source and binary forms, with or without |
5 |
|
|
* modification, are permitted provided that the following conditions are met: |
6 |
|
|
* |
7 |
|
|
* 1. Redistributions of source code must retain the above copyright |
8 |
|
|
* notice, this list of conditions and the following disclaimer. |
9 |
|
|
* 2. Redistributions in binary form must reproduce the above copyright |
10 |
|
|
* notice, this list of conditions and the following disclaimer in the |
11 |
|
|
* documentation and/or other materials provided with the distribution. |
12 |
|
|
* 3. The name of the author may not be used to endorse or promote products |
13 |
|
|
* derived from this software without specific prior written permission. |
14 |
|
|
* |
15 |
|
|
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND |
16 |
|
|
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
17 |
|
|
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
18 |
|
|
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE |
19 |
|
|
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
20 |
|
|
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
21 |
|
|
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
22 |
|
|
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
23 |
|
|
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
24 |
|
|
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
25 |
|
|
* SUCH DAMAGE. |
26 |
|
|
* |
27 |
|
|
* |
28 |
dpavlin |
22 |
* $Id: machine.c,v 1.664 2006/02/05 10:26:35 debug Exp $ |
29 |
dpavlin |
2 |
*/ |
30 |
|
|
|
31 |
|
|
#include <stdio.h> |
32 |
|
|
#include <stdlib.h> |
33 |
|
|
#include <stdarg.h> |
34 |
|
|
#ifdef SOLARIS |
35 |
dpavlin |
22 |
/* TODO: is this strings vs string separation really necessary? */ |
36 |
dpavlin |
2 |
#include <strings.h> |
37 |
|
|
#else |
38 |
|
|
#include <string.h> |
39 |
|
|
#endif |
40 |
|
|
#include <time.h> |
41 |
|
|
#include <unistd.h> |
42 |
|
|
|
43 |
|
|
#include "arcbios.h" |
44 |
dpavlin |
20 |
#include "bus_isa.h" |
45 |
dpavlin |
2 |
#include "bus_pci.h" |
46 |
|
|
#include "cpu.h" |
47 |
|
|
#include "device.h" |
48 |
|
|
#include "devices.h" |
49 |
|
|
#include "diskimage.h" |
50 |
|
|
#include "emul.h" |
51 |
|
|
#include "machine.h" |
52 |
dpavlin |
22 |
#include "machine_interrupts.h" |
53 |
dpavlin |
2 |
#include "memory.h" |
54 |
|
|
#include "misc.h" |
55 |
|
|
#include "net.h" |
56 |
|
|
#include "symbol.h" |
57 |
|
|
|
58 |
dpavlin |
12 |
|
59 |
dpavlin |
6 |
/* See main.c: */ |
60 |
|
|
extern int quiet_mode; |
61 |
dpavlin |
22 |
extern int verbose; |
62 |
dpavlin |
6 |
|
63 |
|
|
|
64 |
dpavlin |
2 |
/* This is initialized by machine_init(): */ |
65 |
dpavlin |
22 |
struct machine_entry *first_machine_entry = NULL; |
66 |
dpavlin |
2 |
|
67 |
|
|
|
68 |
|
|
/* |
69 |
|
|
* machine_new(): |
70 |
|
|
* |
71 |
|
|
* Returns a reasonably initialized struct machine. |
72 |
|
|
*/ |
73 |
|
|
struct machine *machine_new(char *name, struct emul *emul) |
74 |
|
|
{ |
75 |
|
|
struct machine *m; |
76 |
|
|
m = malloc(sizeof(struct machine)); |
77 |
|
|
if (m == NULL) { |
78 |
|
|
fprintf(stderr, "machine_new(): out of memory\n"); |
79 |
|
|
exit(1); |
80 |
|
|
} |
81 |
|
|
|
82 |
|
|
memset(m, 0, sizeof(struct machine)); |
83 |
|
|
|
84 |
|
|
/* Back pointer: */ |
85 |
|
|
m->emul = emul; |
86 |
|
|
|
87 |
|
|
m->name = strdup(name); |
88 |
|
|
|
89 |
|
|
/* Sane default values: */ |
90 |
dpavlin |
10 |
m->serial_nr = 1; |
91 |
dpavlin |
2 |
m->machine_type = MACHINE_NONE; |
92 |
|
|
m->machine_subtype = MACHINE_NONE; |
93 |
dpavlin |
10 |
#ifdef BINTRANS |
94 |
dpavlin |
2 |
m->bintrans_enable = 1; |
95 |
dpavlin |
10 |
m->old_bintrans_enable = 1; |
96 |
|
|
#endif |
97 |
dpavlin |
12 |
m->arch_pagesize = 4096; /* Should be overriden in |
98 |
|
|
emul.c for other pagesizes. */ |
99 |
|
|
m->dyntrans_alignment_check = 1; |
100 |
dpavlin |
2 |
m->prom_emulation = 1; |
101 |
|
|
m->speed_tricks = 1; |
102 |
|
|
m->byte_order_override = NO_BYTE_ORDER_OVERRIDE; |
103 |
|
|
m->boot_kernel_filename = ""; |
104 |
|
|
m->boot_string_argument = NULL; |
105 |
|
|
m->automatic_clock_adjustment = 1; |
106 |
|
|
m->x11_scaledown = 1; |
107 |
dpavlin |
20 |
m->x11_scaleup = 1; |
108 |
dpavlin |
2 |
m->n_gfx_cards = 1; |
109 |
|
|
m->dbe_on_nonexistant_memaccess = 1; |
110 |
|
|
m->show_symbolic_register_names = 1; |
111 |
|
|
m->bintrans_size = DEFAULT_BINTRANS_SIZE_IN_MB * 1048576; |
112 |
|
|
symbol_init(&m->symbol_context); |
113 |
|
|
|
114 |
|
|
return m; |
115 |
|
|
} |
116 |
|
|
|
117 |
|
|
|
118 |
|
|
/* |
119 |
|
|
* machine_name_to_type(): |
120 |
|
|
* |
121 |
|
|
* Take a type and a subtype as strings, and convert them into numeric |
122 |
|
|
* values used internally throughout the code. |
123 |
|
|
* |
124 |
|
|
* Return value is 1 on success, 0 if there was no match. |
125 |
|
|
* Also, any errors/warnings are printed using fatal()/debug(). |
126 |
|
|
*/ |
127 |
|
|
int machine_name_to_type(char *stype, char *ssubtype, |
128 |
|
|
int *type, int *subtype, int *arch) |
129 |
|
|
{ |
130 |
|
|
struct machine_entry *me; |
131 |
dpavlin |
12 |
int i, j, k, nmatches = 0; |
132 |
dpavlin |
2 |
|
133 |
|
|
*type = MACHINE_NONE; |
134 |
|
|
*subtype = 0; |
135 |
|
|
|
136 |
dpavlin |
12 |
/* Check stype, and optionally ssubtype: */ |
137 |
dpavlin |
2 |
me = first_machine_entry; |
138 |
|
|
while (me != NULL) { |
139 |
|
|
for (i=0; i<me->n_aliases; i++) |
140 |
|
|
if (strcasecmp(me->aliases[i], stype) == 0) { |
141 |
|
|
/* Found a type: */ |
142 |
|
|
*type = me->machine_type; |
143 |
|
|
*arch = me->arch; |
144 |
|
|
|
145 |
|
|
if (me->n_subtypes == 0) |
146 |
|
|
return 1; |
147 |
|
|
|
148 |
|
|
/* Check for subtype: */ |
149 |
|
|
for (j=0; j<me->n_subtypes; j++) |
150 |
|
|
for (k=0; k<me->subtype[j]->n_aliases; |
151 |
|
|
k++) |
152 |
|
|
if (strcasecmp(ssubtype, |
153 |
|
|
me->subtype[j]->aliases[k] |
154 |
|
|
) == 0) { |
155 |
|
|
*subtype = me->subtype[ |
156 |
|
|
j]->machine_subtype; |
157 |
|
|
return 1; |
158 |
|
|
} |
159 |
|
|
|
160 |
dpavlin |
6 |
fatal("Unknown subtype '%s' for emulation" |
161 |
dpavlin |
2 |
" '%s'\n", ssubtype, stype); |
162 |
dpavlin |
6 |
if (!ssubtype[0]) |
163 |
|
|
fatal("(Maybe you forgot the -e" |
164 |
|
|
" command line option?)\n"); |
165 |
dpavlin |
2 |
exit(1); |
166 |
|
|
} |
167 |
|
|
|
168 |
|
|
me = me->next; |
169 |
|
|
} |
170 |
|
|
|
171 |
dpavlin |
12 |
/* Not found? Then just check ssubtype: */ |
172 |
|
|
me = first_machine_entry; |
173 |
|
|
while (me != NULL) { |
174 |
|
|
if (me->n_subtypes == 0) { |
175 |
|
|
me = me->next; |
176 |
|
|
continue; |
177 |
|
|
} |
178 |
|
|
|
179 |
|
|
/* Check for subtype: */ |
180 |
|
|
for (j=0; j<me->n_subtypes; j++) |
181 |
|
|
for (k=0; k<me->subtype[j]->n_aliases; k++) |
182 |
|
|
if (strcasecmp(ssubtype, me->subtype[j]-> |
183 |
|
|
aliases[k]) == 0) { |
184 |
|
|
*type = me->machine_type; |
185 |
|
|
*arch = me->arch; |
186 |
|
|
*subtype = me->subtype[j]-> |
187 |
|
|
machine_subtype; |
188 |
|
|
nmatches ++; |
189 |
|
|
} |
190 |
|
|
|
191 |
|
|
me = me->next; |
192 |
|
|
} |
193 |
|
|
|
194 |
|
|
switch (nmatches) { |
195 |
|
|
case 0: fatal("\nSorry, emulation \"%s\"", stype); |
196 |
|
|
if (ssubtype != NULL && ssubtype[0] != '\0') |
197 |
|
|
fatal(" (subtype \"%s\")", ssubtype); |
198 |
|
|
fatal(" is unknown.\n"); |
199 |
|
|
break; |
200 |
|
|
case 1: return 1; |
201 |
|
|
default:fatal("\nSorry, multiple matches for \"%s\"", stype); |
202 |
|
|
if (ssubtype != NULL && ssubtype[0] != '\0') |
203 |
|
|
fatal(" (subtype \"%s\")", ssubtype); |
204 |
|
|
fatal(".\n"); |
205 |
|
|
} |
206 |
|
|
|
207 |
|
|
*type = MACHINE_NONE; |
208 |
|
|
*subtype = 0; |
209 |
|
|
|
210 |
|
|
fatal("Use the -H command line option to get a list of " |
211 |
|
|
"available types and subtypes.\n\n"); |
212 |
|
|
|
213 |
dpavlin |
2 |
return 0; |
214 |
|
|
} |
215 |
|
|
|
216 |
|
|
|
217 |
|
|
/* |
218 |
|
|
* machine_add_tickfunction(): |
219 |
|
|
* |
220 |
|
|
* Adds a tick function (a function called every now and then, depending on |
221 |
|
|
* clock cycle count) to a machine. |
222 |
|
|
*/ |
223 |
|
|
void machine_add_tickfunction(struct machine *machine, void (*func) |
224 |
|
|
(struct cpu *, void *), void *extra, int clockshift) |
225 |
|
|
{ |
226 |
|
|
int n = machine->n_tick_entries; |
227 |
|
|
|
228 |
|
|
if (n >= MAX_TICK_FUNCTIONS) { |
229 |
|
|
fprintf(stderr, "machine_add_tickfunction(): too " |
230 |
|
|
"many tick functions\n"); |
231 |
|
|
exit(1); |
232 |
|
|
} |
233 |
|
|
|
234 |
|
|
/* Don't use too low clockshifts, that would be too inefficient |
235 |
|
|
with bintrans. */ |
236 |
|
|
if (clockshift < N_SAFE_BINTRANS_LIMIT_SHIFT) |
237 |
|
|
fatal("WARNING! clockshift = %i, less than " |
238 |
|
|
"N_SAFE_BINTRANS_LIMIT_SHIFT (%i)\n", |
239 |
|
|
clockshift, N_SAFE_BINTRANS_LIMIT_SHIFT); |
240 |
|
|
|
241 |
|
|
machine->ticks_till_next[n] = 0; |
242 |
|
|
machine->ticks_reset_value[n] = 1 << clockshift; |
243 |
|
|
machine->tick_func[n] = func; |
244 |
|
|
machine->tick_extra[n] = extra; |
245 |
|
|
|
246 |
|
|
machine->n_tick_entries ++; |
247 |
|
|
} |
248 |
|
|
|
249 |
|
|
|
250 |
dpavlin |
22 |
/* |
251 |
|
|
* machine_bus_register(): |
252 |
|
|
* |
253 |
|
|
* Registers a bus in a machine. |
254 |
|
|
*/ |
255 |
|
|
void machine_bus_register(struct machine *machine, char *busname, |
256 |
|
|
void (*debug_dump)(void *), void *extra) |
257 |
|
|
{ |
258 |
|
|
struct machine_bus *tmp, *last = NULL, *new; |
259 |
dpavlin |
2 |
|
260 |
dpavlin |
22 |
new = zeroed_alloc(sizeof(struct machine_bus)); |
261 |
|
|
new->name = strdup(busname); |
262 |
|
|
new->debug_dump = debug_dump; |
263 |
|
|
new->extra = extra; |
264 |
dpavlin |
2 |
|
265 |
dpavlin |
22 |
/* Register last in the bus list: */ |
266 |
|
|
tmp = machine->first_bus; |
267 |
|
|
while (tmp != NULL) { |
268 |
|
|
last = tmp; |
269 |
|
|
tmp = tmp->next; |
270 |
|
|
} |
271 |
|
|
|
272 |
|
|
if (last == NULL) |
273 |
|
|
machine->first_bus = new; |
274 |
|
|
else |
275 |
|
|
last->next = new; |
276 |
|
|
|
277 |
|
|
machine->n_busses ++; |
278 |
|
|
} |
279 |
|
|
|
280 |
|
|
|
281 |
|
|
/* |
282 |
|
|
* machine_dump_bus_info(): |
283 |
|
|
* |
284 |
|
|
* Dumps info about registered busses. |
285 |
|
|
*/ |
286 |
|
|
void machine_dump_bus_info(struct machine *m) |
287 |
dpavlin |
2 |
{ |
288 |
dpavlin |
22 |
struct machine_bus *bus = m->first_bus; |
289 |
|
|
int iadd = DEBUG_INDENTATION; |
290 |
|
|
|
291 |
|
|
if (m->n_busses > 0) |
292 |
|
|
debug("busses:\n"); |
293 |
|
|
debug_indentation(iadd); |
294 |
|
|
while (bus != NULL) { |
295 |
|
|
bus->debug_dump(bus->extra); |
296 |
|
|
bus = bus->next; |
297 |
|
|
} |
298 |
|
|
debug_indentation(-iadd); |
299 |
dpavlin |
2 |
} |
300 |
|
|
|
301 |
|
|
|
302 |
|
|
/* |
303 |
dpavlin |
22 |
* machine_dumpinfo(): |
304 |
|
|
* |
305 |
|
|
* Dumps info about a machine in some kind of readable format. (Used by |
306 |
|
|
* the 'machine' debugger command.) |
307 |
|
|
*/ |
308 |
|
|
void machine_dumpinfo(struct machine *m) |
309 |
|
|
{ |
310 |
|
|
int i; |
311 |
|
|
|
312 |
|
|
debug("serial nr: %i", m->serial_nr); |
313 |
|
|
if (m->nr_of_nics > 0) |
314 |
|
|
debug(" (nr of NICs: %i)", m->nr_of_nics); |
315 |
|
|
debug("\n"); |
316 |
|
|
|
317 |
|
|
debug("memory: %i MB", m->physical_ram_in_mb); |
318 |
|
|
if (m->memory_offset_in_mb != 0) |
319 |
|
|
debug(" (offset by %i MB)", m->memory_offset_in_mb); |
320 |
|
|
if (m->random_mem_contents) |
321 |
|
|
debug(", randomized contents"); |
322 |
|
|
if (m->dbe_on_nonexistant_memaccess) |
323 |
|
|
debug(", dbe_on_nonexistant_memaccess"); |
324 |
|
|
debug("\n"); |
325 |
|
|
|
326 |
|
|
if (m->single_step_on_bad_addr) |
327 |
|
|
debug("single-step on bad addresses\n"); |
328 |
|
|
|
329 |
|
|
if (m->arch == ARCH_MIPS) { |
330 |
|
|
if (m->bintrans_enable) |
331 |
|
|
debug("bintrans enabled (%i MB cache)\n", |
332 |
|
|
(int) (m->bintrans_size / 1048576)); |
333 |
|
|
else |
334 |
|
|
debug("bintrans disabled, other speedtricks %s\n", |
335 |
|
|
m->speed_tricks? "enabled" : "disabled"); |
336 |
|
|
} |
337 |
|
|
|
338 |
|
|
debug("clock: "); |
339 |
|
|
if (m->automatic_clock_adjustment) |
340 |
|
|
debug("adjusted automatically"); |
341 |
|
|
else |
342 |
|
|
debug("fixed at %i Hz", m->emulated_hz); |
343 |
|
|
debug("\n"); |
344 |
|
|
|
345 |
|
|
if (!m->prom_emulation) |
346 |
|
|
debug("PROM emulation disabled\n"); |
347 |
|
|
|
348 |
|
|
for (i=0; i<m->ncpus; i++) |
349 |
|
|
cpu_dumpinfo(m, m->cpus[i]); |
350 |
|
|
|
351 |
|
|
if (m->ncpus > 1) |
352 |
|
|
debug("Bootstrap cpu is nr %i\n", m->bootstrap_cpu); |
353 |
|
|
|
354 |
|
|
if (m->slow_serial_interrupts_hack_for_linux) |
355 |
|
|
debug("Using slow_serial_interrupts_hack_for_linux\n"); |
356 |
|
|
|
357 |
|
|
if (m->use_x11) { |
358 |
|
|
debug("Using X11"); |
359 |
|
|
if (m->x11_scaledown > 1) |
360 |
|
|
debug(", scaledown %i", m->x11_scaledown); |
361 |
|
|
if (m->x11_scaleup > 1) |
362 |
|
|
debug(", scaleup %i", m->x11_scaleup); |
363 |
|
|
if (m->x11_n_display_names > 0) { |
364 |
|
|
for (i=0; i<m->x11_n_display_names; i++) { |
365 |
|
|
debug(i? ", " : " ("); |
366 |
|
|
debug("\"%s\"", m->x11_display_names[i]); |
367 |
|
|
} |
368 |
|
|
debug(")"); |
369 |
|
|
} |
370 |
|
|
debug("\n"); |
371 |
|
|
} |
372 |
|
|
|
373 |
|
|
machine_dump_bus_info(m); |
374 |
|
|
|
375 |
|
|
diskimage_dump_info(m); |
376 |
|
|
|
377 |
|
|
if (m->force_netboot) |
378 |
|
|
debug("Forced netboot\n"); |
379 |
|
|
} |
380 |
|
|
|
381 |
|
|
|
382 |
|
|
/* |
383 |
dpavlin |
2 |
* dump_mem_string(): |
384 |
|
|
* |
385 |
|
|
* Dump the contents of emulated RAM as readable text. Bytes that aren't |
386 |
|
|
* readable are dumped in [xx] notation, where xx is in hexadecimal. |
387 |
|
|
* Dumping ends after DUMP_MEM_STRING_MAX bytes, or when a terminating |
388 |
|
|
* zero byte is found. |
389 |
|
|
*/ |
390 |
|
|
#define DUMP_MEM_STRING_MAX 45 |
391 |
|
|
void dump_mem_string(struct cpu *cpu, uint64_t addr) |
392 |
|
|
{ |
393 |
|
|
int i; |
394 |
|
|
for (i=0; i<DUMP_MEM_STRING_MAX; i++) { |
395 |
|
|
unsigned char ch = '\0'; |
396 |
|
|
|
397 |
|
|
cpu->memory_rw(cpu, cpu->mem, addr + i, &ch, sizeof(ch), |
398 |
|
|
MEM_READ, CACHE_DATA | NO_EXCEPTIONS); |
399 |
|
|
if (ch == '\0') |
400 |
|
|
return; |
401 |
|
|
if (ch >= ' ' && ch < 126) |
402 |
|
|
debug("%c", ch); |
403 |
|
|
else |
404 |
|
|
debug("[%02x]", ch); |
405 |
|
|
} |
406 |
|
|
} |
407 |
|
|
|
408 |
|
|
|
409 |
|
|
/* |
410 |
|
|
* store_byte(): |
411 |
|
|
* |
412 |
|
|
* Stores a byte in emulated ram. (Helper function.) |
413 |
|
|
*/ |
414 |
|
|
void store_byte(struct cpu *cpu, uint64_t addr, uint8_t data) |
415 |
|
|
{ |
416 |
|
|
if ((addr >> 32) == 0) |
417 |
|
|
addr = (int64_t)(int32_t)addr; |
418 |
|
|
cpu->memory_rw(cpu, cpu->mem, |
419 |
|
|
addr, &data, sizeof(data), MEM_WRITE, CACHE_DATA); |
420 |
|
|
} |
421 |
|
|
|
422 |
|
|
|
423 |
|
|
/* |
424 |
|
|
* store_string(): |
425 |
|
|
* |
426 |
|
|
* Stores chars into emulated RAM until a zero byte (string terminating |
427 |
|
|
* character) is found. The zero byte is also copied. |
428 |
|
|
* (strcpy()-like helper function, host-RAM-to-emulated-RAM.) |
429 |
|
|
*/ |
430 |
|
|
void store_string(struct cpu *cpu, uint64_t addr, char *s) |
431 |
|
|
{ |
432 |
|
|
do { |
433 |
|
|
store_byte(cpu, addr++, *s); |
434 |
|
|
} while (*s++); |
435 |
|
|
} |
436 |
|
|
|
437 |
|
|
|
438 |
|
|
/* |
439 |
|
|
* add_environment_string(): |
440 |
|
|
* |
441 |
|
|
* Like store_string(), but advances the pointer afterwards. The most |
442 |
|
|
* obvious use is to place a number of strings (such as environment variable |
443 |
|
|
* strings) after one-another in emulated memory. |
444 |
|
|
*/ |
445 |
|
|
void add_environment_string(struct cpu *cpu, char *s, uint64_t *addr) |
446 |
|
|
{ |
447 |
|
|
store_string(cpu, *addr, s); |
448 |
|
|
(*addr) += strlen(s) + 1; |
449 |
|
|
} |
450 |
|
|
|
451 |
|
|
|
452 |
|
|
/* |
453 |
dpavlin |
12 |
* add_environment_string_dual(): |
454 |
|
|
* |
455 |
|
|
* Add "dual" environment strings, one for the variable name and one for the |
456 |
|
|
* value, and update pointers afterwards. |
457 |
|
|
*/ |
458 |
|
|
void add_environment_string_dual(struct cpu *cpu, |
459 |
|
|
uint64_t *ptrp, uint64_t *addrp, char *s1, char *s2) |
460 |
|
|
{ |
461 |
|
|
uint64_t ptr = *ptrp, addr = *addrp; |
462 |
|
|
|
463 |
|
|
store_32bit_word(cpu, ptr, addr); |
464 |
|
|
ptr += sizeof(uint32_t); |
465 |
|
|
if (addr != 0) { |
466 |
|
|
store_string(cpu, addr, s1); |
467 |
|
|
addr += strlen(s1) + 1; |
468 |
|
|
} |
469 |
|
|
store_32bit_word(cpu, ptr, addr); |
470 |
|
|
ptr += sizeof(uint32_t); |
471 |
|
|
if (addr != 0) { |
472 |
|
|
store_string(cpu, addr, s2); |
473 |
|
|
addr += strlen(s2) + 1; |
474 |
|
|
} |
475 |
|
|
|
476 |
|
|
*ptrp = ptr; |
477 |
|
|
*addrp = addr; |
478 |
|
|
} |
479 |
|
|
|
480 |
|
|
|
481 |
|
|
/* |
482 |
dpavlin |
2 |
* store_64bit_word(): |
483 |
|
|
* |
484 |
|
|
* Stores a 64-bit word in emulated RAM. Byte order is taken into account. |
485 |
|
|
* Helper function. |
486 |
|
|
*/ |
487 |
|
|
int store_64bit_word(struct cpu *cpu, uint64_t addr, uint64_t data64) |
488 |
|
|
{ |
489 |
|
|
unsigned char data[8]; |
490 |
|
|
if ((addr >> 32) == 0) |
491 |
|
|
addr = (int64_t)(int32_t)addr; |
492 |
|
|
data[0] = (data64 >> 56) & 255; |
493 |
|
|
data[1] = (data64 >> 48) & 255; |
494 |
|
|
data[2] = (data64 >> 40) & 255; |
495 |
|
|
data[3] = (data64 >> 32) & 255; |
496 |
|
|
data[4] = (data64 >> 24) & 255; |
497 |
|
|
data[5] = (data64 >> 16) & 255; |
498 |
|
|
data[6] = (data64 >> 8) & 255; |
499 |
|
|
data[7] = (data64) & 255; |
500 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
501 |
|
|
int tmp = data[0]; data[0] = data[7]; data[7] = tmp; |
502 |
|
|
tmp = data[1]; data[1] = data[6]; data[6] = tmp; |
503 |
|
|
tmp = data[2]; data[2] = data[5]; data[5] = tmp; |
504 |
|
|
tmp = data[3]; data[3] = data[4]; data[4] = tmp; |
505 |
|
|
} |
506 |
|
|
return cpu->memory_rw(cpu, cpu->mem, |
507 |
|
|
addr, data, sizeof(data), MEM_WRITE, CACHE_DATA); |
508 |
|
|
} |
509 |
|
|
|
510 |
|
|
|
511 |
|
|
/* |
512 |
|
|
* store_32bit_word(): |
513 |
|
|
* |
514 |
|
|
* Stores a 32-bit word in emulated RAM. Byte order is taken into account. |
515 |
|
|
* (This function takes a 64-bit word as argument, to suppress some |
516 |
|
|
* warnings, but only the lowest 32 bits are used.) |
517 |
|
|
*/ |
518 |
|
|
int store_32bit_word(struct cpu *cpu, uint64_t addr, uint64_t data32) |
519 |
|
|
{ |
520 |
|
|
unsigned char data[4]; |
521 |
dpavlin |
14 |
if (cpu->machine->arch == ARCH_MIPS && (addr >> 32) == 0) |
522 |
dpavlin |
2 |
addr = (int64_t)(int32_t)addr; |
523 |
|
|
data[0] = (data32 >> 24) & 255; |
524 |
|
|
data[1] = (data32 >> 16) & 255; |
525 |
|
|
data[2] = (data32 >> 8) & 255; |
526 |
|
|
data[3] = (data32) & 255; |
527 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
528 |
|
|
int tmp = data[0]; data[0] = data[3]; data[3] = tmp; |
529 |
|
|
tmp = data[1]; data[1] = data[2]; data[2] = tmp; |
530 |
|
|
} |
531 |
|
|
return cpu->memory_rw(cpu, cpu->mem, |
532 |
|
|
addr, data, sizeof(data), MEM_WRITE, CACHE_DATA); |
533 |
|
|
} |
534 |
|
|
|
535 |
|
|
|
536 |
|
|
/* |
537 |
|
|
* store_16bit_word(): |
538 |
|
|
* |
539 |
|
|
* Stores a 16-bit word in emulated RAM. Byte order is taken into account. |
540 |
|
|
* (This function takes a 64-bit word as argument, to suppress some |
541 |
|
|
* warnings, but only the lowest 16 bits are used.) |
542 |
|
|
*/ |
543 |
|
|
int store_16bit_word(struct cpu *cpu, uint64_t addr, uint64_t data16) |
544 |
|
|
{ |
545 |
|
|
unsigned char data[2]; |
546 |
dpavlin |
14 |
if (cpu->machine->arch == ARCH_MIPS && (addr >> 32) == 0) |
547 |
dpavlin |
2 |
addr = (int64_t)(int32_t)addr; |
548 |
|
|
data[0] = (data16 >> 8) & 255; |
549 |
|
|
data[1] = (data16) & 255; |
550 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
551 |
|
|
int tmp = data[0]; data[0] = data[1]; data[1] = tmp; |
552 |
|
|
} |
553 |
|
|
return cpu->memory_rw(cpu, cpu->mem, |
554 |
|
|
addr, data, sizeof(data), MEM_WRITE, CACHE_DATA); |
555 |
|
|
} |
556 |
|
|
|
557 |
|
|
|
558 |
|
|
/* |
559 |
|
|
* store_buf(): |
560 |
|
|
* |
561 |
|
|
* memcpy()-like helper function, from host RAM to emulated RAM. |
562 |
|
|
*/ |
563 |
|
|
void store_buf(struct cpu *cpu, uint64_t addr, char *s, size_t len) |
564 |
|
|
{ |
565 |
dpavlin |
22 |
size_t psize = 1024; /* 1024 256 64 16 4 1 */ |
566 |
dpavlin |
6 |
|
567 |
dpavlin |
14 |
if (cpu->machine->arch == ARCH_MIPS && (addr >> 32) == 0) |
568 |
dpavlin |
2 |
addr = (int64_t)(int32_t)addr; |
569 |
|
|
|
570 |
dpavlin |
6 |
while (len != 0) { |
571 |
|
|
if ((addr & (psize-1)) == 0) { |
572 |
|
|
while (len >= psize) { |
573 |
|
|
cpu->memory_rw(cpu, cpu->mem, addr, |
574 |
|
|
(unsigned char *)s, psize, MEM_WRITE, |
575 |
|
|
CACHE_DATA); |
576 |
|
|
addr += psize; |
577 |
|
|
s += psize; |
578 |
|
|
len -= psize; |
579 |
|
|
} |
580 |
dpavlin |
2 |
} |
581 |
dpavlin |
6 |
psize >>= 2; |
582 |
dpavlin |
2 |
} |
583 |
|
|
|
584 |
|
|
while (len-- != 0) |
585 |
|
|
store_byte(cpu, addr++, *s++); |
586 |
|
|
} |
587 |
|
|
|
588 |
|
|
|
589 |
|
|
/* |
590 |
|
|
* store_pointer_and_advance(): |
591 |
|
|
* |
592 |
|
|
* Stores a 32-bit or 64-bit pointer in emulated RAM, and advances the |
593 |
dpavlin |
22 |
* target address. (Useful for e.g. ARCBIOS environment initialization.) |
594 |
dpavlin |
2 |
*/ |
595 |
|
|
void store_pointer_and_advance(struct cpu *cpu, uint64_t *addrp, |
596 |
|
|
uint64_t data, int flag64) |
597 |
|
|
{ |
598 |
|
|
uint64_t addr = *addrp; |
599 |
|
|
if (flag64) { |
600 |
|
|
store_64bit_word(cpu, addr, data); |
601 |
|
|
addr += 8; |
602 |
|
|
} else { |
603 |
|
|
store_32bit_word(cpu, addr, data); |
604 |
|
|
addr += 4; |
605 |
|
|
} |
606 |
|
|
*addrp = addr; |
607 |
|
|
} |
608 |
|
|
|
609 |
|
|
|
610 |
|
|
/* |
611 |
|
|
* load_32bit_word(): |
612 |
|
|
* |
613 |
|
|
* Helper function. Prints a warning and returns 0, if the read failed. |
614 |
|
|
* Emulated byte order is taken into account. |
615 |
|
|
*/ |
616 |
|
|
uint32_t load_32bit_word(struct cpu *cpu, uint64_t addr) |
617 |
|
|
{ |
618 |
|
|
unsigned char data[4]; |
619 |
|
|
|
620 |
dpavlin |
14 |
if (cpu->machine->arch == ARCH_MIPS && (addr >> 32) == 0) |
621 |
dpavlin |
2 |
addr = (int64_t)(int32_t)addr; |
622 |
|
|
cpu->memory_rw(cpu, cpu->mem, |
623 |
|
|
addr, data, sizeof(data), MEM_READ, CACHE_DATA); |
624 |
|
|
|
625 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
626 |
|
|
int tmp = data[0]; data[0] = data[3]; data[3] = tmp; |
627 |
|
|
tmp = data[1]; data[1] = data[2]; data[2] = tmp; |
628 |
|
|
} |
629 |
|
|
|
630 |
|
|
return (data[0] << 24) + (data[1] << 16) + (data[2] << 8) + data[3]; |
631 |
|
|
} |
632 |
|
|
|
633 |
|
|
|
634 |
|
|
/* |
635 |
dpavlin |
4 |
* load_16bit_word(): |
636 |
|
|
* |
637 |
|
|
* Helper function. Prints a warning and returns 0, if the read failed. |
638 |
|
|
* Emulated byte order is taken into account. |
639 |
|
|
*/ |
640 |
|
|
uint16_t load_16bit_word(struct cpu *cpu, uint64_t addr) |
641 |
|
|
{ |
642 |
|
|
unsigned char data[2]; |
643 |
|
|
|
644 |
dpavlin |
14 |
if (cpu->machine->arch == ARCH_MIPS && (addr >> 32) == 0) |
645 |
dpavlin |
4 |
addr = (int64_t)(int32_t)addr; |
646 |
|
|
cpu->memory_rw(cpu, cpu->mem, |
647 |
|
|
addr, data, sizeof(data), MEM_READ, CACHE_DATA); |
648 |
|
|
|
649 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
650 |
|
|
int tmp = data[0]; data[0] = data[1]; data[1] = tmp; |
651 |
|
|
} |
652 |
|
|
|
653 |
|
|
return (data[0] << 8) + data[1]; |
654 |
|
|
} |
655 |
|
|
|
656 |
|
|
|
657 |
|
|
/* |
658 |
dpavlin |
2 |
* store_64bit_word_in_host(): |
659 |
|
|
* |
660 |
|
|
* Stores a 64-bit word in the _host's_ RAM. Emulated byte order is taken |
661 |
|
|
* into account. This is useful when building structs in the host's RAM |
662 |
|
|
* which will later be copied into emulated RAM. |
663 |
|
|
*/ |
664 |
|
|
void store_64bit_word_in_host(struct cpu *cpu, |
665 |
|
|
unsigned char *data, uint64_t data64) |
666 |
|
|
{ |
667 |
|
|
data[0] = (data64 >> 56) & 255; |
668 |
|
|
data[1] = (data64 >> 48) & 255; |
669 |
|
|
data[2] = (data64 >> 40) & 255; |
670 |
|
|
data[3] = (data64 >> 32) & 255; |
671 |
|
|
data[4] = (data64 >> 24) & 255; |
672 |
|
|
data[5] = (data64 >> 16) & 255; |
673 |
|
|
data[6] = (data64 >> 8) & 255; |
674 |
|
|
data[7] = (data64) & 255; |
675 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
676 |
|
|
int tmp = data[0]; data[0] = data[7]; data[7] = tmp; |
677 |
|
|
tmp = data[1]; data[1] = data[6]; data[6] = tmp; |
678 |
|
|
tmp = data[2]; data[2] = data[5]; data[5] = tmp; |
679 |
|
|
tmp = data[3]; data[3] = data[4]; data[4] = tmp; |
680 |
|
|
} |
681 |
|
|
} |
682 |
|
|
|
683 |
|
|
|
684 |
|
|
/* |
685 |
|
|
* store_32bit_word_in_host(): |
686 |
|
|
* |
687 |
|
|
* See comment for store_64bit_word_in_host(). |
688 |
|
|
* |
689 |
|
|
* (Note: The data32 parameter is a uint64_t. This is done to suppress |
690 |
|
|
* some warnings.) |
691 |
|
|
*/ |
692 |
|
|
void store_32bit_word_in_host(struct cpu *cpu, |
693 |
|
|
unsigned char *data, uint64_t data32) |
694 |
|
|
{ |
695 |
|
|
data[0] = (data32 >> 24) & 255; |
696 |
|
|
data[1] = (data32 >> 16) & 255; |
697 |
|
|
data[2] = (data32 >> 8) & 255; |
698 |
|
|
data[3] = (data32) & 255; |
699 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
700 |
|
|
int tmp = data[0]; data[0] = data[3]; data[3] = tmp; |
701 |
|
|
tmp = data[1]; data[1] = data[2]; data[2] = tmp; |
702 |
|
|
} |
703 |
|
|
} |
704 |
|
|
|
705 |
|
|
|
706 |
|
|
/* |
707 |
|
|
* store_16bit_word_in_host(): |
708 |
|
|
* |
709 |
|
|
* See comment for store_64bit_word_in_host(). |
710 |
|
|
*/ |
711 |
|
|
void store_16bit_word_in_host(struct cpu *cpu, |
712 |
|
|
unsigned char *data, uint16_t data16) |
713 |
|
|
{ |
714 |
|
|
data[0] = (data16 >> 8) & 255; |
715 |
|
|
data[1] = (data16) & 255; |
716 |
|
|
if (cpu->byte_order == EMUL_LITTLE_ENDIAN) { |
717 |
|
|
int tmp = data[0]; data[0] = data[1]; data[1] = tmp; |
718 |
|
|
} |
719 |
|
|
} |
720 |
|
|
|
721 |
|
|
|
722 |
|
|
/* |
723 |
|
|
* machine_setup(): |
724 |
|
|
* |
725 |
|
|
* This (rather large) function initializes memory, registers, and/or devices |
726 |
|
|
* required by specific machine emulations. |
727 |
|
|
*/ |
728 |
|
|
void machine_setup(struct machine *machine) |
729 |
|
|
{ |
730 |
|
|
struct memory *mem; |
731 |
dpavlin |
22 |
struct machine_entry *me; |
732 |
dpavlin |
2 |
|
733 |
|
|
/* Abreviation: :-) */ |
734 |
|
|
struct cpu *cpu = machine->cpus[machine->bootstrap_cpu]; |
735 |
|
|
|
736 |
dpavlin |
22 |
machine->bootdev_id = diskimage_bootdev(machine, |
737 |
|
|
&machine->bootdev_type); |
738 |
dpavlin |
2 |
|
739 |
|
|
mem = cpu->mem; |
740 |
|
|
machine->machine_name = NULL; |
741 |
|
|
|
742 |
|
|
/* TODO: Move this somewhere else? */ |
743 |
|
|
if (machine->boot_string_argument == NULL) { |
744 |
|
|
switch (machine->machine_type) { |
745 |
|
|
case MACHINE_ARC: |
746 |
|
|
machine->boot_string_argument = "-aN"; |
747 |
|
|
break; |
748 |
dpavlin |
16 |
case MACHINE_CATS: |
749 |
|
|
machine->boot_string_argument = "-A"; |
750 |
|
|
break; |
751 |
dpavlin |
22 |
case MACHINE_PMAX: |
752 |
dpavlin |
2 |
machine->boot_string_argument = "-a"; |
753 |
|
|
break; |
754 |
|
|
default: |
755 |
|
|
/* Important, because boot_string_argument should |
756 |
|
|
not be set to NULL: */ |
757 |
|
|
machine->boot_string_argument = ""; |
758 |
|
|
} |
759 |
|
|
} |
760 |
|
|
|
761 |
|
|
|
762 |
dpavlin |
22 |
/* |
763 |
|
|
* If the machine has a setup function in src/machines/machine_*.c |
764 |
|
|
* then use that one, otherwise use the old hardcoded stuff here: |
765 |
|
|
*/ |
766 |
dpavlin |
2 |
|
767 |
dpavlin |
22 |
me = first_machine_entry; |
768 |
|
|
while (me != NULL) { |
769 |
|
|
if (machine->machine_type == me->machine_type && |
770 |
|
|
me->setup != NULL) { |
771 |
|
|
me->setup(machine, cpu); |
772 |
dpavlin |
2 |
break; |
773 |
|
|
} |
774 |
dpavlin |
22 |
me = me->next; |
775 |
|
|
} |
776 |
dpavlin |
2 |
|
777 |
dpavlin |
22 |
if (me == NULL) { |
778 |
dpavlin |
2 |
fatal("Unknown emulation type %i\n", machine->machine_type); |
779 |
|
|
exit(1); |
780 |
|
|
} |
781 |
|
|
|
782 |
|
|
if (machine->machine_name != NULL) |
783 |
|
|
debug("machine: %s", machine->machine_name); |
784 |
|
|
|
785 |
|
|
if (machine->emulated_hz > 0) |
786 |
|
|
debug(" (%.2f MHz)", (float)machine->emulated_hz / 1000000); |
787 |
|
|
debug("\n"); |
788 |
|
|
|
789 |
dpavlin |
20 |
/* Default fake speed: 5 MHz */ |
790 |
dpavlin |
2 |
if (machine->emulated_hz < 1) |
791 |
dpavlin |
20 |
machine->emulated_hz = 5000000; |
792 |
dpavlin |
2 |
|
793 |
dpavlin |
22 |
if (machine->bootstr != NULL) { |
794 |
|
|
debug("bootstring%s: %s", (machine->bootarg!=NULL && |
795 |
|
|
strlen(machine->bootarg) >= 1)? "(+bootarg)" : "", |
796 |
|
|
machine->bootstr); |
797 |
|
|
if (machine->bootarg != NULL && strlen(machine->bootarg) >= 1) |
798 |
|
|
debug(" %s", machine->bootarg); |
799 |
dpavlin |
2 |
debug("\n"); |
800 |
|
|
} |
801 |
dpavlin |
22 |
|
802 |
|
|
if (verbose >= 2) |
803 |
|
|
machine_dump_bus_info(machine); |
804 |
|
|
|
805 |
|
|
if (!machine->stable) |
806 |
|
|
fatal("!\n! NOTE: This machine type is not implemented well" |
807 |
|
|
" enough yet to run\n! any real-world code!" |
808 |
|
|
" (At least, it hasn't been verified to do so.)\n!\n" |
809 |
|
|
"! Please read the GXemul documentation for information" |
810 |
|
|
" about which\n! machine types that actually work.\n!\n"); |
811 |
dpavlin |
2 |
} |
812 |
|
|
|
813 |
|
|
|
814 |
|
|
/* |
815 |
|
|
* machine_memsize_fix(): |
816 |
|
|
* |
817 |
|
|
* Sets physical_ram_in_mb (if not already set), and memory_offset_in_mb, |
818 |
|
|
* depending on machine type. |
819 |
|
|
*/ |
820 |
|
|
void machine_memsize_fix(struct machine *m) |
821 |
|
|
{ |
822 |
|
|
if (m == NULL) { |
823 |
|
|
fatal("machine_defaultmemsize(): m == NULL?\n"); |
824 |
|
|
exit(1); |
825 |
|
|
} |
826 |
|
|
|
827 |
|
|
if (m->physical_ram_in_mb == 0) { |
828 |
dpavlin |
22 |
struct machine_entry *me = first_machine_entry; |
829 |
|
|
while (me != NULL) { |
830 |
|
|
if (m->machine_type == me->machine_type && |
831 |
|
|
me->set_default_ram != NULL) { |
832 |
|
|
me->set_default_ram(m); |
833 |
dpavlin |
2 |
break; |
834 |
|
|
} |
835 |
dpavlin |
22 |
me = me->next; |
836 |
dpavlin |
2 |
} |
837 |
|
|
} |
838 |
|
|
|
839 |
dpavlin |
6 |
/* Special hack for hpcmips machines: */ |
840 |
|
|
if (m->machine_type == MACHINE_HPCMIPS) { |
841 |
dpavlin |
2 |
m->dbe_on_nonexistant_memaccess = 0; |
842 |
|
|
} |
843 |
|
|
|
844 |
dpavlin |
22 |
/* Special SGI memory offsets: (TODO: move this somewhere else) */ |
845 |
dpavlin |
2 |
if (m->machine_type == MACHINE_SGI) { |
846 |
|
|
switch (m->machine_subtype) { |
847 |
|
|
case 20: |
848 |
|
|
case 22: |
849 |
|
|
case 24: |
850 |
|
|
case 26: |
851 |
|
|
m->memory_offset_in_mb = 128; |
852 |
|
|
break; |
853 |
|
|
case 28: |
854 |
|
|
case 30: |
855 |
|
|
m->memory_offset_in_mb = 512; |
856 |
|
|
break; |
857 |
|
|
} |
858 |
|
|
} |
859 |
|
|
|
860 |
|
|
if (m->physical_ram_in_mb == 0) |
861 |
|
|
m->physical_ram_in_mb = DEFAULT_RAM_IN_MB; |
862 |
|
|
} |
863 |
|
|
|
864 |
|
|
|
865 |
|
|
/* |
866 |
|
|
* machine_default_cputype(): |
867 |
|
|
* |
868 |
dpavlin |
22 |
* Sets m->cpu_name, if it isn't already set, depending on the machine type. |
869 |
dpavlin |
2 |
*/ |
870 |
|
|
void machine_default_cputype(struct machine *m) |
871 |
|
|
{ |
872 |
dpavlin |
22 |
struct machine_entry *me; |
873 |
|
|
|
874 |
dpavlin |
2 |
if (m == NULL) { |
875 |
|
|
fatal("machine_default_cputype(): m == NULL?\n"); |
876 |
|
|
exit(1); |
877 |
|
|
} |
878 |
|
|
|
879 |
dpavlin |
22 |
/* Already set? Then return. */ |
880 |
dpavlin |
2 |
if (m->cpu_name != NULL) |
881 |
|
|
return; |
882 |
|
|
|
883 |
dpavlin |
22 |
me = first_machine_entry; |
884 |
|
|
while (me != NULL) { |
885 |
|
|
if (m->machine_type == me->machine_type && |
886 |
|
|
me->set_default_cpu != NULL) { |
887 |
|
|
me->set_default_cpu(m); |
888 |
dpavlin |
2 |
break; |
889 |
|
|
} |
890 |
dpavlin |
22 |
me = me->next; |
891 |
dpavlin |
2 |
} |
892 |
|
|
|
893 |
|
|
if (m->cpu_name == NULL) { |
894 |
|
|
fprintf(stderr, "machine_default_cputype(): no default" |
895 |
|
|
" cpu for machine type %i subtype %i\n", |
896 |
|
|
m->machine_type, m->machine_subtype); |
897 |
|
|
exit(1); |
898 |
|
|
} |
899 |
|
|
} |
900 |
|
|
|
901 |
|
|
|
902 |
|
|
/* |
903 |
|
|
* machine_entry_new(): |
904 |
|
|
* |
905 |
|
|
* This function creates a new machine_entry struct, and fills it with some |
906 |
|
|
* valid data; it is up to the caller to add additional data that weren't |
907 |
|
|
* passed as arguments to this function. |
908 |
|
|
*/ |
909 |
dpavlin |
22 |
struct machine_entry *machine_entry_new(const char *name, |
910 |
dpavlin |
2 |
int arch, int oldstyle_type, int n_aliases, int n_subtypes) |
911 |
|
|
{ |
912 |
|
|
struct machine_entry *me; |
913 |
|
|
|
914 |
|
|
me = malloc(sizeof(struct machine_entry)); |
915 |
|
|
if (me == NULL) { |
916 |
|
|
fprintf(stderr, "machine_entry_new(): out of memory (1)\n"); |
917 |
|
|
exit(1); |
918 |
|
|
} |
919 |
|
|
|
920 |
|
|
memset(me, 0, sizeof(struct machine_entry)); |
921 |
|
|
|
922 |
|
|
me->name = name; |
923 |
|
|
me->arch = arch; |
924 |
|
|
me->machine_type = oldstyle_type; |
925 |
|
|
me->n_aliases = n_aliases; |
926 |
|
|
me->aliases = malloc(sizeof(char *) * n_aliases); |
927 |
|
|
if (me->aliases == NULL) { |
928 |
|
|
fprintf(stderr, "machine_entry_new(): out of memory (2)\n"); |
929 |
|
|
exit(1); |
930 |
|
|
} |
931 |
|
|
me->n_subtypes = n_subtypes; |
932 |
dpavlin |
22 |
me->setup = NULL; |
933 |
dpavlin |
2 |
|
934 |
|
|
if (n_subtypes > 0) { |
935 |
|
|
me->subtype = malloc(sizeof(struct machine_entry_subtype *) * |
936 |
|
|
n_subtypes); |
937 |
|
|
if (me->subtype == NULL) { |
938 |
|
|
fprintf(stderr, "machine_entry_new(): out of " |
939 |
|
|
"memory (3)\n"); |
940 |
|
|
exit(1); |
941 |
|
|
} |
942 |
|
|
} |
943 |
|
|
|
944 |
|
|
return me; |
945 |
|
|
} |
946 |
|
|
|
947 |
|
|
|
948 |
|
|
/* |
949 |
|
|
* machine_entry_subtype_new(): |
950 |
|
|
* |
951 |
|
|
* This function creates a new machine_entry_subtype struct, and fills it with |
952 |
|
|
* some valid data; it is up to the caller to add additional data that weren't |
953 |
|
|
* passed as arguments to this function. |
954 |
|
|
* |
955 |
|
|
* For internal use. |
956 |
|
|
*/ |
957 |
dpavlin |
22 |
struct machine_entry_subtype *machine_entry_subtype_new( |
958 |
dpavlin |
2 |
const char *name, int oldstyle_type, int n_aliases) |
959 |
|
|
{ |
960 |
|
|
struct machine_entry_subtype *mes; |
961 |
|
|
|
962 |
|
|
mes = malloc(sizeof(struct machine_entry_subtype)); |
963 |
|
|
if (mes == NULL) { |
964 |
|
|
fprintf(stderr, "machine_entry_subtype_new(): out " |
965 |
|
|
"of memory (1)\n"); |
966 |
|
|
exit(1); |
967 |
|
|
} |
968 |
|
|
|
969 |
|
|
memset(mes, 0, sizeof(struct machine_entry_subtype)); |
970 |
|
|
mes->name = name; |
971 |
|
|
mes->machine_subtype = oldstyle_type; |
972 |
|
|
mes->n_aliases = n_aliases; |
973 |
|
|
mes->aliases = malloc(sizeof(char *) * n_aliases); |
974 |
|
|
if (mes->aliases == NULL) { |
975 |
|
|
fprintf(stderr, "machine_entry_subtype_new(): " |
976 |
|
|
"out of memory (2)\n"); |
977 |
|
|
exit(1); |
978 |
|
|
} |
979 |
|
|
|
980 |
|
|
return mes; |
981 |
|
|
} |
982 |
|
|
|
983 |
|
|
|
984 |
|
|
/* |
985 |
dpavlin |
22 |
* machine_entry_add(): |
986 |
|
|
* |
987 |
|
|
* Inserts a new machine_entry into the machine entries list. |
988 |
|
|
*/ |
989 |
|
|
void machine_entry_add(struct machine_entry *me, int arch) |
990 |
|
|
{ |
991 |
|
|
struct machine_entry *prev, *next; |
992 |
|
|
|
993 |
|
|
/* Only insert it if the architecture is implemented in this |
994 |
|
|
emulator configuration: */ |
995 |
|
|
if (cpu_family_ptr_by_number(arch) == NULL) |
996 |
|
|
return; |
997 |
|
|
|
998 |
|
|
prev = NULL; |
999 |
|
|
next = first_machine_entry; |
1000 |
|
|
|
1001 |
|
|
for (;;) { |
1002 |
|
|
if (next == NULL) |
1003 |
|
|
break; |
1004 |
|
|
if (strcasecmp(me->name, next->name) < 0) |
1005 |
|
|
break; |
1006 |
|
|
|
1007 |
|
|
prev = next; |
1008 |
|
|
next = next->next; |
1009 |
|
|
} |
1010 |
|
|
|
1011 |
|
|
if (prev != NULL) |
1012 |
|
|
prev->next = me; |
1013 |
|
|
else |
1014 |
|
|
first_machine_entry = me; |
1015 |
|
|
me->next = next; |
1016 |
|
|
} |
1017 |
|
|
|
1018 |
|
|
|
1019 |
|
|
/* |
1020 |
dpavlin |
2 |
* machine_list_available_types_and_cpus(): |
1021 |
|
|
* |
1022 |
|
|
* List all available machine types (for example when running the emulator |
1023 |
|
|
* with just -H as command line argument). |
1024 |
|
|
*/ |
1025 |
|
|
void machine_list_available_types_and_cpus(void) |
1026 |
|
|
{ |
1027 |
|
|
struct machine_entry *me; |
1028 |
dpavlin |
22 |
int iadd = DEBUG_INDENTATION * 2; |
1029 |
dpavlin |
2 |
|
1030 |
|
|
debug("Available CPU types:\n\n"); |
1031 |
|
|
|
1032 |
|
|
debug_indentation(iadd); |
1033 |
|
|
cpu_list_available_types(); |
1034 |
|
|
debug_indentation(-iadd); |
1035 |
|
|
|
1036 |
|
|
debug("\nMost of the CPU types are bogus, and not really implemented." |
1037 |
|
|
" The main effect of\nselecting a specific CPU type is to choose " |
1038 |
|
|
"what kind of 'id' it will have.\n\nAvailable machine types (with " |
1039 |
|
|
"aliases) and their subtypes:\n\n"); |
1040 |
|
|
|
1041 |
|
|
debug_indentation(iadd); |
1042 |
|
|
me = first_machine_entry; |
1043 |
|
|
|
1044 |
|
|
if (me == NULL) |
1045 |
|
|
fatal("No machines defined!\n"); |
1046 |
|
|
|
1047 |
|
|
while (me != NULL) { |
1048 |
dpavlin |
22 |
int i, j, iadd = DEBUG_INDENTATION; |
1049 |
dpavlin |
2 |
|
1050 |
dpavlin |
22 |
debug("%s [%s] (", me->name, |
1051 |
|
|
cpu_family_ptr_by_number(me->arch)->name); |
1052 |
dpavlin |
2 |
for (i=0; i<me->n_aliases; i++) |
1053 |
|
|
debug("%s\"%s\"", i? ", " : "", me->aliases[i]); |
1054 |
|
|
debug(")\n"); |
1055 |
|
|
|
1056 |
|
|
debug_indentation(iadd); |
1057 |
|
|
for (i=0; i<me->n_subtypes; i++) { |
1058 |
|
|
struct machine_entry_subtype *mes; |
1059 |
|
|
mes = me->subtype[i]; |
1060 |
|
|
debug("- %s", mes->name); |
1061 |
|
|
debug(" ("); |
1062 |
|
|
for (j=0; j<mes->n_aliases; j++) |
1063 |
|
|
debug("%s\"%s\"", j? ", " : "", |
1064 |
|
|
mes->aliases[j]); |
1065 |
|
|
debug(")\n"); |
1066 |
|
|
} |
1067 |
|
|
debug_indentation(-iadd); |
1068 |
|
|
|
1069 |
|
|
me = me->next; |
1070 |
|
|
} |
1071 |
|
|
debug_indentation(-iadd); |
1072 |
|
|
|
1073 |
|
|
debug("\nMost of the machine types are bogus too. Please read the " |
1074 |
dpavlin |
20 |
"GXemul documentation\nfor information about which machine types " |
1075 |
|
|
"that actually work. Use the alias\nwhen selecting a machine type " |
1076 |
|
|
"or subtype, not the real name.\n"); |
1077 |
dpavlin |
2 |
|
1078 |
|
|
debug("\n"); |
1079 |
|
|
|
1080 |
|
|
useremul_list_emuls(); |
1081 |
dpavlin |
12 |
debug("Userland emulation works for programs with the complexity" |
1082 |
|
|
" of Hello World,\nbut not much more.\n"); |
1083 |
dpavlin |
2 |
} |
1084 |
|
|
|
1085 |
|
|
|
1086 |
|
|
/* |
1087 |
|
|
* machine_init(): |
1088 |
|
|
* |
1089 |
|
|
* This function should be called before any other machine_*() function |
1090 |
dpavlin |
22 |
* is used. automachine_init() registers all machines in src/machines/. |
1091 |
dpavlin |
2 |
*/ |
1092 |
|
|
void machine_init(void) |
1093 |
|
|
{ |
1094 |
dpavlin |
22 |
if (first_machine_entry != NULL) { |
1095 |
|
|
fatal("machine_init(): already called?\n"); |
1096 |
|
|
exit(1); |
1097 |
dpavlin |
14 |
} |
1098 |
|
|
|
1099 |
dpavlin |
22 |
automachine_init(); |
1100 |
dpavlin |
2 |
} |
1101 |
|
|
|