1 | /* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * |
2 | * Mupen64plus - rom.c * |
3 | * Mupen64Plus homepage: https://mupen64plus.org/ * |
4 | * Copyright (C) 2008 Tillin9 * |
5 | * Copyright (C) 2002 Hacktarux * |
6 | * * |
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 of the License, or * |
10 | * (at your option) any later version. * |
11 | * * |
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. * |
16 | * * |
17 | * You should have received a copy of the GNU General Public License * |
18 | * along with this program; if not, write to the * |
19 | * Free Software Foundation, Inc., * |
20 | * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. * |
21 | * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */ |
22 | |
23 | #include <ctype.h> |
24 | #include <stddef.h> |
25 | #include <stdint.h> |
26 | #include <stdio.h> |
27 | #include <stdlib.h> |
28 | #include <string.h> |
29 | |
30 | #define __STDC_FORMAT_MACROS |
31 | #include <inttypes.h> |
32 | |
33 | #define M64P_CORE_PROTOTYPES 1 |
34 | #include "api/callbacks.h" |
35 | #include "api/config.h" |
36 | #include "api/m64p_config.h" |
37 | #include "api/m64p_types.h" |
38 | #include "device/device.h" |
39 | #include "main.h" |
40 | #include "md5.h" |
41 | #include "osal/preproc.h" |
42 | #include "osd/osd.h" |
43 | #include "rom.h" |
44 | #include "util.h" |
45 | |
46 | #define CHUNKSIZE 1024*128 /* Read files 128KB at a time. */ |
47 | |
48 | /* Number of cpu cycles per instruction */ |
49 | enum { DEFAULT_COUNT_PER_OP = 2 }; |
50 | /* by default, extra mem is enabled */ |
51 | enum { = 0 }; |
52 | /* Default SI DMA duration */ |
53 | enum { DEFAULT_SI_DMA_DURATION = 0x900 }; |
54 | |
55 | static romdatabase_entry* ini_search_by_md5(md5_byte_t* md5); |
56 | |
57 | static _romdatabase g_romdatabase; |
58 | |
59 | /* Global loaded rom size. */ |
60 | int g_rom_size = 0; |
61 | |
62 | m64p_rom_header ; |
63 | rom_params ROM_PARAMS; |
64 | m64p_rom_settings ROM_SETTINGS; |
65 | |
66 | static m64p_system_type rom_country_code_to_system_type(uint16_t country_code); |
67 | |
68 | static const uint8_t Z64_SIGNATURE[4] = { 0x80, 0x37, 0x12, 0x40 }; |
69 | static const uint8_t V64_SIGNATURE[4] = { 0x37, 0x80, 0x40, 0x12 }; |
70 | static const uint8_t N64_SIGNATURE[4] = { 0x40, 0x12, 0x37, 0x80 }; |
71 | |
72 | /* Tests if a file is a valid N64 rom by checking the first 4 bytes. */ |
73 | static int is_valid_rom(const unsigned char *buffer) |
74 | { |
75 | if (memcmp(buffer, Z64_SIGNATURE, sizeof(Z64_SIGNATURE)) == 0 |
76 | || memcmp(buffer, V64_SIGNATURE, sizeof(V64_SIGNATURE)) == 0 |
77 | || memcmp(buffer, N64_SIGNATURE, sizeof(N64_SIGNATURE)) == 0) |
78 | return 1; |
79 | else |
80 | return 0; |
81 | } |
82 | |
83 | /* Copies the source block of memory to the destination block of memory while |
84 | * switching the endianness of .v64 and .n64 images to the .z64 format, which |
85 | * is native to the Nintendo 64. The data extraction routines and MD5 hashing |
86 | * function may only act on the .z64 big-endian format. |
87 | * |
88 | * IN: src: The source block of memory. This must be a valid Nintendo 64 ROM |
89 | * image of 'len' bytes. |
90 | * len: The length of the source and destination, in bytes. |
91 | * OUT: dst: The destination block of memory. This must be a valid buffer for |
92 | * at least 'len' bytes. |
93 | * imagetype: A pointer to a byte that gets updated with the value of |
94 | * V64IMAGE, N64IMAGE or Z64IMAGE according to the format of |
95 | * the source block. The value is undefined if 'src' does not |
96 | * represent a valid Nintendo 64 ROM image. |
97 | */ |
98 | static void swap_copy_rom(void* dst, const void* src, size_t len, unsigned char* imagetype) |
99 | { |
100 | if (memcmp(src, V64_SIGNATURE, sizeof(V64_SIGNATURE)) == 0) |
101 | { |
102 | size_t i; |
103 | const uint16_t* src16 = (const uint16_t*) src; |
104 | uint16_t* dst16 = (uint16_t*) dst; |
105 | |
106 | *imagetype = V64IMAGE; |
107 | /* .v64 images have byte-swapped half-words (16-bit). */ |
108 | for (i = 0; i < len; i += 2) |
109 | { |
110 | *dst16++ = m64p_swap16(*src16++); |
111 | } |
112 | } |
113 | else if (memcmp(src, N64_SIGNATURE, sizeof(N64_SIGNATURE)) == 0) |
114 | { |
115 | size_t i; |
116 | const uint32_t* src32 = (const uint32_t*) src; |
117 | uint32_t* dst32 = (uint32_t*) dst; |
118 | |
119 | *imagetype = N64IMAGE; |
120 | /* .n64 images have byte-swapped words (32-bit). */ |
121 | for (i = 0; i < len; i += 4) |
122 | { |
123 | *dst32++ = m64p_swap32(*src32++); |
124 | } |
125 | } |
126 | else { |
127 | *imagetype = Z64IMAGE; |
128 | memcpy(dst, src, len); |
129 | } |
130 | } |
131 | |
132 | m64p_error open_rom(const unsigned char* romimage, unsigned int size) |
133 | { |
134 | md5_state_t state; |
135 | md5_byte_t digest[16]; |
136 | romdatabase_entry* entry; |
137 | char buffer[256]; |
138 | unsigned char imagetype; |
139 | int i; |
140 | |
141 | /* check input requirements */ |
142 | if (romimage == NULL || !is_valid_rom(romimage)) |
143 | { |
144 | DebugMessage(M64MSG_ERROR, "open_rom(): not a valid ROM image" ); |
145 | return M64ERR_INPUT_INVALID; |
146 | } |
147 | |
148 | /* Clear Byte-swapped flag, since ROM is now deleted. */ |
149 | g_RomWordsLittleEndian = 0; |
150 | /* allocate new buffer for ROM and copy into this buffer */ |
151 | g_rom_size = size; |
152 | swap_copy_rom((uint8_t*)mem_base_u32(g_mem_base, MM_CART_ROM), romimage, size, &imagetype); |
153 | /* ROM is now in N64 native (big endian) byte order */ |
154 | |
155 | memcpy(&ROM_HEADER, (uint8_t*)mem_base_u32(g_mem_base, MM_CART_ROM), sizeof(m64p_rom_header)); |
156 | |
157 | /* Calculate MD5 hash */ |
158 | md5_init(&state); |
159 | md5_append(&state, (const md5_byte_t*)((uint8_t*)mem_base_u32(g_mem_base, MM_CART_ROM)), g_rom_size); |
160 | md5_finish(&state, digest); |
161 | for ( i = 0; i < 16; ++i ) |
162 | sprintf(buffer+i*2, "%02X" , digest[i]); |
163 | buffer[32] = '\0'; |
164 | strcpy(ROM_SETTINGS.MD5, buffer); |
165 | |
166 | /* add some useful properties to ROM_PARAMS */ |
167 | ROM_PARAMS.systemtype = rom_country_code_to_system_type(ROM_HEADER.Country_code); |
168 | ROM_PARAMS.countperop = DEFAULT_COUNT_PER_OP; |
169 | ROM_PARAMS.disableextramem = DEFAULT_DISABLE_EXTRA_MEM; |
170 | ROM_PARAMS.sidmaduration = DEFAULT_SI_DMA_DURATION; |
171 | ROM_PARAMS.cheats = NULL; |
172 | |
173 | memcpy(ROM_PARAMS.headername, ROM_HEADER.Name, 20); |
174 | ROM_PARAMS.headername[20] = '\0'; |
175 | trim(ROM_PARAMS.headername); /* Remove trailing whitespace from ROM name. */ |
176 | |
177 | /* Look up this ROM in the .ini file and fill in goodname, etc */ |
178 | if ((entry=ini_search_by_md5(digest)) != NULL || |
179 | (entry=ini_search_by_crc(tohl(ROM_HEADER.CRC1),tohl(ROM_HEADER.CRC2))) != NULL) |
180 | { |
181 | strncpy(ROM_SETTINGS.goodname, entry->goodname, 255); |
182 | ROM_SETTINGS.goodname[255] = '\0'; |
183 | ROM_SETTINGS.savetype = entry->savetype; |
184 | ROM_SETTINGS.status = entry->status; |
185 | ROM_SETTINGS.players = entry->players; |
186 | ROM_SETTINGS.rumble = entry->rumble; |
187 | ROM_SETTINGS.transferpak = entry->transferpak; |
188 | ROM_SETTINGS.mempak = entry->mempak; |
189 | ROM_SETTINGS.biopak = entry->biopak; |
190 | ROM_PARAMS.countperop = entry->countperop; |
191 | ROM_PARAMS.disableextramem = entry->disableextramem; |
192 | ROM_PARAMS.sidmaduration = entry->sidmaduration; |
193 | ROM_PARAMS.cheats = entry->cheats; |
194 | } |
195 | else |
196 | { |
197 | strcpy(ROM_SETTINGS.goodname, ROM_PARAMS.headername); |
198 | strcat(ROM_SETTINGS.goodname, " (unknown rom)" ); |
199 | ROM_SETTINGS.savetype = NONE; |
200 | ROM_SETTINGS.status = 0; |
201 | ROM_SETTINGS.players = 4; |
202 | ROM_SETTINGS.rumble = 1; |
203 | ROM_SETTINGS.transferpak = 0; |
204 | ROM_SETTINGS.mempak = 1; |
205 | ROM_SETTINGS.biopak = 0; |
206 | ROM_PARAMS.countperop = DEFAULT_COUNT_PER_OP; |
207 | ROM_PARAMS.disableextramem = DEFAULT_DISABLE_EXTRA_MEM; |
208 | ROM_PARAMS.sidmaduration = DEFAULT_SI_DMA_DURATION; |
209 | ROM_PARAMS.cheats = NULL; |
210 | } |
211 | |
212 | /* print out a bunch of info about the ROM */ |
213 | DebugMessage(M64MSG_INFO, "Goodname: %s" , ROM_SETTINGS.goodname); |
214 | DebugMessage(M64MSG_INFO, "Name: %s" , ROM_HEADER.Name); |
215 | imagestring(imagetype, buffer); |
216 | DebugMessage(M64MSG_INFO, "MD5: %s" , ROM_SETTINGS.MD5); |
217 | DebugMessage(M64MSG_INFO, "CRC: %08" PRIX32 " %08" PRIX32, tohl(ROM_HEADER.CRC1), tohl(ROM_HEADER.CRC2)); |
218 | DebugMessage(M64MSG_INFO, "Imagetype: %s" , buffer); |
219 | DebugMessage(M64MSG_INFO, "Rom size: %d bytes (or %d Mb or %d Megabits)" , g_rom_size, g_rom_size/1024/1024, g_rom_size/1024/1024*8); |
220 | DebugMessage(M64MSG_VERBOSE, "ClockRate = %" PRIX32, tohl(ROM_HEADER.ClockRate)); |
221 | DebugMessage(M64MSG_INFO, "Version: %" PRIX32, tohl(ROM_HEADER.Release)); |
222 | if(tohl(ROM_HEADER.Manufacturer_ID) == 'N') |
223 | DebugMessage(M64MSG_INFO, "Manufacturer: Nintendo" ); |
224 | else |
225 | DebugMessage(M64MSG_INFO, "Manufacturer: %" PRIX32, tohl(ROM_HEADER.Manufacturer_ID)); |
226 | DebugMessage(M64MSG_VERBOSE, "Cartridge_ID: %" PRIX16, ROM_HEADER.Cartridge_ID); |
227 | countrycodestring(ROM_HEADER.Country_code, buffer); |
228 | DebugMessage(M64MSG_INFO, "Country: %s" , buffer); |
229 | DebugMessage(M64MSG_VERBOSE, "PC = %" PRIX32, tohl(ROM_HEADER.PC)); |
230 | DebugMessage(M64MSG_VERBOSE, "Save type: %d" , ROM_SETTINGS.savetype); |
231 | |
232 | return M64ERR_SUCCESS; |
233 | } |
234 | |
235 | m64p_error close_rom(void) |
236 | { |
237 | /* Clear Byte-swapped flag, since ROM is now deleted. */ |
238 | g_RomWordsLittleEndian = 0; |
239 | DebugMessage(M64MSG_STATUS, "Rom closed." ); |
240 | |
241 | return M64ERR_SUCCESS; |
242 | } |
243 | |
244 | /********************************************************************************************/ |
245 | /* ROM utility functions */ |
246 | |
247 | // Get the system type associated to a ROM country code. |
248 | static m64p_system_type rom_country_code_to_system_type(uint16_t country_code) |
249 | { |
250 | switch (country_code & UINT16_C(0xFF)) |
251 | { |
252 | // PAL codes |
253 | case 0x44: |
254 | case 0x46: |
255 | case 0x49: |
256 | case 0x50: |
257 | case 0x53: |
258 | case 0x55: |
259 | case 0x58: |
260 | case 0x59: |
261 | return SYSTEM_PAL; |
262 | |
263 | // NTSC codes |
264 | case 0x37: |
265 | case 0x41: |
266 | case 0x45: |
267 | case 0x4a: |
268 | default: // Fallback for unknown codes |
269 | return SYSTEM_NTSC; |
270 | } |
271 | } |
272 | |
273 | static size_t romdatabase_resolve_round(void) |
274 | { |
275 | romdatabase_search *entry; |
276 | romdatabase_entry *ref; |
277 | size_t skipped = 0; |
278 | |
279 | /* Resolve RefMD5 references */ |
280 | for (entry = g_romdatabase.list; entry; entry = entry->next_entry) { |
281 | if (!entry->entry.refmd5) |
282 | continue; |
283 | |
284 | ref = ini_search_by_md5(entry->entry.refmd5); |
285 | if (!ref) { |
286 | DebugMessage(M64MSG_WARNING, "ROM Database: Error solving RefMD5s" ); |
287 | continue; |
288 | } |
289 | |
290 | /* entry is not yet resolved, skip for now */ |
291 | if (ref->refmd5) { |
292 | skipped++; |
293 | continue; |
294 | } |
295 | |
296 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_GOODNAME) && |
297 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_GOODNAME)) { |
298 | entry->entry.goodname = strdup(ref->goodname); |
299 | if (entry->entry.goodname) |
300 | entry->entry.set_flags |= ROMDATABASE_ENTRY_GOODNAME; |
301 | } |
302 | |
303 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_CRC) && |
304 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_CRC)) { |
305 | entry->entry.crc1 = ref->crc1; |
306 | entry->entry.crc2 = ref->crc2; |
307 | entry->entry.set_flags |= ROMDATABASE_ENTRY_CRC; |
308 | } |
309 | |
310 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_STATUS) && |
311 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_STATUS)) { |
312 | entry->entry.status = ref->status; |
313 | entry->entry.set_flags |= ROMDATABASE_ENTRY_STATUS; |
314 | } |
315 | |
316 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_SAVETYPE) && |
317 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_SAVETYPE)) { |
318 | entry->entry.savetype = ref->savetype; |
319 | entry->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
320 | } |
321 | |
322 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_PLAYERS) && |
323 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_PLAYERS)) { |
324 | entry->entry.players = ref->players; |
325 | entry->entry.set_flags |= ROMDATABASE_ENTRY_PLAYERS; |
326 | } |
327 | |
328 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_RUMBLE) && |
329 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_RUMBLE)) { |
330 | entry->entry.rumble = ref->rumble; |
331 | entry->entry.set_flags |= ROMDATABASE_ENTRY_RUMBLE; |
332 | } |
333 | |
334 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_COUNTEROP) && |
335 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_COUNTEROP)) { |
336 | entry->entry.countperop = ref->countperop; |
337 | entry->entry.set_flags |= ROMDATABASE_ENTRY_COUNTEROP; |
338 | } |
339 | |
340 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_CHEATS) && |
341 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_CHEATS)) { |
342 | if (ref->cheats) |
343 | entry->entry.cheats = strdup(ref->cheats); |
344 | entry->entry.set_flags |= ROMDATABASE_ENTRY_CHEATS; |
345 | } |
346 | |
347 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_EXTRAMEM) && |
348 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_EXTRAMEM)) { |
349 | entry->entry.disableextramem = ref->disableextramem; |
350 | entry->entry.set_flags |= ROMDATABASE_ENTRY_EXTRAMEM; |
351 | } |
352 | |
353 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_TRANSFERPAK) && |
354 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_TRANSFERPAK)) { |
355 | entry->entry.transferpak = ref->transferpak; |
356 | entry->entry.set_flags |= ROMDATABASE_ENTRY_TRANSFERPAK; |
357 | } |
358 | |
359 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_MEMPAK) && |
360 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_MEMPAK)) { |
361 | entry->entry.mempak = ref->mempak; |
362 | entry->entry.set_flags |= ROMDATABASE_ENTRY_MEMPAK; |
363 | } |
364 | |
365 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_BIOPAK) && |
366 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_BIOPAK)) { |
367 | entry->entry.biopak = ref->biopak; |
368 | entry->entry.set_flags |= ROMDATABASE_ENTRY_BIOPAK; |
369 | } |
370 | |
371 | if (!isset_bitmask(entry->entry.set_flags, ROMDATABASE_ENTRY_SIDMADURATION) && |
372 | isset_bitmask(ref->set_flags, ROMDATABASE_ENTRY_SIDMADURATION)) { |
373 | entry->entry.sidmaduration = ref->sidmaduration; |
374 | entry->entry.set_flags |= ROMDATABASE_ENTRY_SIDMADURATION; |
375 | } |
376 | |
377 | free(entry->entry.refmd5); |
378 | entry->entry.refmd5 = NULL; |
379 | } |
380 | |
381 | return skipped; |
382 | } |
383 | |
384 | static void romdatabase_resolve(void) |
385 | { |
386 | size_t last_skipped = (size_t)~0ULL; |
387 | size_t skipped; |
388 | |
389 | do { |
390 | skipped = romdatabase_resolve_round(); |
391 | if (skipped == last_skipped) { |
392 | DebugMessage(M64MSG_ERROR, "Unable to resolve rom database entries (loop)" ); |
393 | break; |
394 | } |
395 | last_skipped = skipped; |
396 | } while (skipped > 0); |
397 | } |
398 | |
399 | /********************************************************************************************/ |
400 | /* INI Rom database functions */ |
401 | |
402 | void romdatabase_open(void) |
403 | { |
404 | FILE *fPtr; |
405 | char buffer[256]; |
406 | romdatabase_search* search = NULL; |
407 | romdatabase_search** next_search; |
408 | |
409 | int counter, value, lineno; |
410 | unsigned char index; |
411 | const char *pathname = ConfigGetSharedDataFilepath("mupen64plus.ini" ); |
412 | |
413 | if(g_romdatabase.have_database) |
414 | return; |
415 | |
416 | /* Open romdatabase. */ |
417 | if (pathname == NULL || (fPtr = fopen(pathname, "rb" )) == NULL) |
418 | { |
419 | DebugMessage(M64MSG_ERROR, "Unable to open rom database file '%s'." , pathname); |
420 | return; |
421 | } |
422 | |
423 | g_romdatabase.have_database = 1; |
424 | |
425 | /* Clear premade indices. */ |
426 | for(counter = 0; counter < 255; ++counter) |
427 | g_romdatabase.crc_lists[counter] = NULL; |
428 | for(counter = 0; counter < 255; ++counter) |
429 | g_romdatabase.md5_lists[counter] = NULL; |
430 | g_romdatabase.list = NULL; |
431 | |
432 | next_search = &g_romdatabase.list; |
433 | |
434 | /* Parse ROM database file */ |
435 | for (lineno = 1; fgets(buffer, 255, fPtr) != NULL; lineno++) |
436 | { |
437 | char *line = buffer; |
438 | ini_line l = ini_parse_line(&line); |
439 | switch (l.type) |
440 | { |
441 | case INI_SECTION: |
442 | { |
443 | md5_byte_t md5[16]; |
444 | if (!parse_hex(l.name, md5, 16)) |
445 | { |
446 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid MD5 on line %i" , lineno); |
447 | search = NULL; |
448 | continue; |
449 | } |
450 | |
451 | *next_search = (romdatabase_search*) malloc(sizeof(romdatabase_search)); |
452 | search = *next_search; |
453 | next_search = &search->next_entry; |
454 | |
455 | memset(search, 0, sizeof(romdatabase_search)); |
456 | |
457 | search->entry.goodname = NULL; |
458 | memcpy(search->entry.md5, md5, 16); |
459 | search->entry.refmd5 = NULL; |
460 | search->entry.crc1 = 0; |
461 | search->entry.crc2 = 0; |
462 | search->entry.status = 0; /* Set default to 0 stars. */ |
463 | search->entry.savetype = 0; |
464 | search->entry.players = 4; |
465 | search->entry.rumble = 1; |
466 | search->entry.countperop = DEFAULT_COUNT_PER_OP; |
467 | search->entry.disableextramem = DEFAULT_DISABLE_EXTRA_MEM; |
468 | search->entry.cheats = NULL; |
469 | search->entry.transferpak = 0; |
470 | search->entry.mempak = 1; |
471 | search->entry.biopak = 0; |
472 | search->entry.sidmaduration = DEFAULT_SI_DMA_DURATION; |
473 | search->entry.set_flags = ROMDATABASE_ENTRY_NONE; |
474 | |
475 | search->next_entry = NULL; |
476 | search->next_crc = NULL; |
477 | /* Index MD5s by first 8 bits. */ |
478 | index = search->entry.md5[0]; |
479 | search->next_md5 = g_romdatabase.md5_lists[index]; |
480 | g_romdatabase.md5_lists[index] = search; |
481 | |
482 | break; |
483 | } |
484 | case INI_PROPERTY: |
485 | // This happens if there's stray properties before any section, |
486 | // or if some error happened on INI_SECTION (e.g. parsing). |
487 | if (search == NULL) |
488 | { |
489 | DebugMessage(M64MSG_WARNING, "ROM Database: Ignoring property on line %i" , lineno); |
490 | continue; |
491 | } |
492 | if(!strcmp(l.name, "GoodName" )) |
493 | { |
494 | search->entry.goodname = strdup(l.value); |
495 | search->entry.set_flags |= ROMDATABASE_ENTRY_GOODNAME; |
496 | } |
497 | else if(!strcmp(l.name, "CRC" )) |
498 | { |
499 | char garbage_sweeper; |
500 | if (sscanf(l.value, "%X %X%c" , &search->entry.crc1, |
501 | &search->entry.crc2, &garbage_sweeper) == 2) |
502 | { |
503 | /* Index CRCs by first 8 bits. */ |
504 | index = search->entry.crc1 >> 24; |
505 | search->next_crc = g_romdatabase.crc_lists[index]; |
506 | g_romdatabase.crc_lists[index] = search; |
507 | search->entry.set_flags |= ROMDATABASE_ENTRY_CRC; |
508 | } |
509 | else |
510 | { |
511 | search->entry.crc1 = search->entry.crc2 = 0; |
512 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid CRC on line %i" , lineno); |
513 | } |
514 | } |
515 | else if(!strcmp(l.name, "RefMD5" )) |
516 | { |
517 | md5_byte_t md5[16]; |
518 | if (parse_hex(l.value, md5, 16)) |
519 | { |
520 | search->entry.refmd5 = (md5_byte_t*)malloc(16*sizeof(md5_byte_t)); |
521 | memcpy(search->entry.refmd5, md5, 16); |
522 | } |
523 | else |
524 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid RefMD5 on line %i" , lineno); |
525 | } |
526 | else if(!strcmp(l.name, "SaveType" )) |
527 | { |
528 | if(!strcmp(l.value, "Eeprom 4KB" )) { |
529 | search->entry.savetype = EEPROM_4KB; |
530 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
531 | } else if(!strcmp(l.value, "Eeprom 16KB" )) { |
532 | search->entry.savetype = EEPROM_16KB; |
533 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
534 | } else if(!strcmp(l.value, "SRAM" )) { |
535 | search->entry.savetype = SRAM; |
536 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
537 | } else if(!strcmp(l.value, "Flash RAM" )) { |
538 | search->entry.savetype = FLASH_RAM; |
539 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
540 | } else if(!strcmp(l.value, "Controller Pack" )) { |
541 | search->entry.savetype = CONTROLLER_PACK; |
542 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
543 | } else if(!strcmp(l.value, "None" )) { |
544 | search->entry.savetype = NONE; |
545 | search->entry.set_flags |= ROMDATABASE_ENTRY_SAVETYPE; |
546 | } else { |
547 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid save type on line %i" , lineno); |
548 | } |
549 | } |
550 | else if(!strcmp(l.name, "Status" )) |
551 | { |
552 | if (string_to_int(l.value, &value) && value >= 0 && value < 6) { |
553 | search->entry.status = value; |
554 | search->entry.set_flags |= ROMDATABASE_ENTRY_STATUS; |
555 | } else { |
556 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid status on line %i" , lineno); |
557 | } |
558 | } |
559 | else if(!strcmp(l.name, "Players" )) |
560 | { |
561 | if (string_to_int(l.value, &value) && value >= 0 && value < 8) { |
562 | search->entry.players = value; |
563 | search->entry.set_flags |= ROMDATABASE_ENTRY_PLAYERS; |
564 | } else { |
565 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid player count on line %i" , lineno); |
566 | } |
567 | } |
568 | else if(!strcmp(l.name, "Rumble" )) |
569 | { |
570 | if(!strcmp(l.value, "Yes" )) { |
571 | search->entry.rumble = 1; |
572 | search->entry.set_flags |= ROMDATABASE_ENTRY_RUMBLE; |
573 | } else if(!strcmp(l.value, "No" )) { |
574 | search->entry.rumble = 0; |
575 | search->entry.set_flags |= ROMDATABASE_ENTRY_RUMBLE; |
576 | } else { |
577 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid rumble string on line %i" , lineno); |
578 | } |
579 | } |
580 | else if(!strcmp(l.name, "CountPerOp" )) |
581 | { |
582 | if (string_to_int(l.value, &value) && value > 0 && value <= 4) { |
583 | search->entry.countperop = value; |
584 | search->entry.set_flags |= ROMDATABASE_ENTRY_COUNTEROP; |
585 | } else { |
586 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid CountPerOp on line %i" , lineno); |
587 | } |
588 | } |
589 | else if (!strcmp(l.name, "DisableExtraMem" )) |
590 | { |
591 | search->entry.disableextramem = atoi(l.value); |
592 | search->entry.set_flags |= ROMDATABASE_ENTRY_EXTRAMEM; |
593 | } |
594 | else if(!strncmp(l.name, "Cheat" , 5)) |
595 | { |
596 | size_t len1 = 0, len2 = 0; |
597 | char *newcheat; |
598 | |
599 | if (search->entry.cheats) |
600 | len1 = strlen(search->entry.cheats); |
601 | if (l.value) |
602 | len2 = strlen(l.value); |
603 | |
604 | /* initial cheat */ |
605 | if (len1 == 0 && len2 > 0) |
606 | search->entry.cheats = strdup(l.value); |
607 | |
608 | /* append cheat */ |
609 | if (len1 != 0 && len2 > 0) { |
610 | newcheat = malloc(len1 + 1 + len2 + 1); |
611 | if (!newcheat) { |
612 | DebugMessage(M64MSG_WARNING, "ROM Database: Failed to append cheat" ); |
613 | } else { |
614 | strcpy(newcheat, search->entry.cheats); |
615 | strcat(newcheat, ";" ); |
616 | strcat(newcheat, l.value); |
617 | free(search->entry.cheats); |
618 | search->entry.cheats = newcheat; |
619 | } |
620 | } |
621 | |
622 | search->entry.set_flags |= ROMDATABASE_ENTRY_CHEATS; |
623 | } |
624 | else if(!strcmp(l.name, "Transferpak" )) |
625 | { |
626 | if(!strcmp(l.value, "Yes" )) { |
627 | search->entry.transferpak = 1; |
628 | search->entry.set_flags |= ROMDATABASE_ENTRY_TRANSFERPAK; |
629 | } else if(!strcmp(l.value, "No" )) { |
630 | search->entry.transferpak = 0; |
631 | search->entry.set_flags |= ROMDATABASE_ENTRY_TRANSFERPAK; |
632 | } else { |
633 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid transferpak string on line %i" , lineno); |
634 | } |
635 | } |
636 | else if(!strcmp(l.name, "Mempak" )) |
637 | { |
638 | if(!strcmp(l.value, "Yes" )) { |
639 | search->entry.mempak = 1; |
640 | search->entry.set_flags |= ROMDATABASE_ENTRY_MEMPAK; |
641 | } else if(!strcmp(l.value, "No" )) { |
642 | search->entry.mempak = 0; |
643 | search->entry.set_flags |= ROMDATABASE_ENTRY_MEMPAK; |
644 | } else { |
645 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid mempak string on line %i" , lineno); |
646 | } |
647 | } |
648 | else if(!strcmp(l.name, "Biopak" )) |
649 | { |
650 | if(!strcmp(l.value, "Yes" )) { |
651 | search->entry.biopak = 1; |
652 | search->entry.set_flags |= ROMDATABASE_ENTRY_BIOPAK; |
653 | } else if(!strcmp(l.value, "No" )) { |
654 | search->entry.biopak = 0; |
655 | search->entry.set_flags |= ROMDATABASE_ENTRY_BIOPAK; |
656 | } else { |
657 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid biopak string on line %i" , lineno); |
658 | } |
659 | } |
660 | else if(!strcmp(l.name, "SiDmaDuration" )) |
661 | { |
662 | if (string_to_int(l.value, &value) && value >= 0 && value <= 0x10000) { |
663 | search->entry.sidmaduration = value; |
664 | search->entry.set_flags |= ROMDATABASE_ENTRY_SIDMADURATION; |
665 | } else { |
666 | DebugMessage(M64MSG_WARNING, "ROM Database: Invalid SiDmaDuration on line %i" , lineno); |
667 | } |
668 | } |
669 | else |
670 | { |
671 | DebugMessage(M64MSG_WARNING, "ROM Database: Unknown property on line %i" , lineno); |
672 | } |
673 | break; |
674 | default: |
675 | break; |
676 | } |
677 | } |
678 | |
679 | fclose(fPtr); |
680 | romdatabase_resolve(); |
681 | } |
682 | |
683 | void romdatabase_close(void) |
684 | { |
685 | if (!g_romdatabase.have_database) |
686 | return; |
687 | |
688 | while (g_romdatabase.list != NULL) |
689 | { |
690 | romdatabase_search* search = g_romdatabase.list->next_entry; |
691 | if(g_romdatabase.list->entry.goodname) |
692 | free(g_romdatabase.list->entry.goodname); |
693 | if(g_romdatabase.list->entry.refmd5) |
694 | free(g_romdatabase.list->entry.refmd5); |
695 | free(g_romdatabase.list->entry.cheats); |
696 | free(g_romdatabase.list); |
697 | g_romdatabase.list = search; |
698 | } |
699 | } |
700 | |
701 | static romdatabase_entry* ini_search_by_md5(md5_byte_t* md5) |
702 | { |
703 | romdatabase_search* search; |
704 | |
705 | if(!g_romdatabase.have_database) |
706 | return NULL; |
707 | |
708 | search = g_romdatabase.md5_lists[md5[0]]; |
709 | |
710 | while (search != NULL && memcmp(search->entry.md5, md5, 16) != 0) |
711 | search = search->next_md5; |
712 | |
713 | if(search==NULL) |
714 | return NULL; |
715 | |
716 | return &(search->entry); |
717 | } |
718 | |
719 | romdatabase_entry* ini_search_by_crc(unsigned int crc1, unsigned int crc2) |
720 | { |
721 | romdatabase_search* search; |
722 | |
723 | if(!g_romdatabase.have_database) |
724 | return NULL; |
725 | |
726 | search = g_romdatabase.crc_lists[((crc1 >> 24) & 0xff)]; |
727 | |
728 | while (search != NULL && search->entry.crc1 != crc1 && search->entry.crc2 != crc2) |
729 | search = search->next_crc; |
730 | |
731 | if(search == NULL) |
732 | return NULL; |
733 | |
734 | return &(search->entry); |
735 | } |
736 | |
737 | |
738 | |