/*************************************************************************** validity.c Validity checks on internal data structures. Copyright Nicola Salmoria and the MAME Team. Visit http://mamedev.org for licensing and usage restrictions. ***************************************************************************/ #include "osdepend.h" #include "eminline.h" #include "driver.h" #include "hash.h" #include #include #include "unicode.h" #include /*************************************************************************** DEBUGGING ***************************************************************************/ #define REPORT_TIMES (0) /*************************************************************************** COMPILE-TIME VALIDATION ***************************************************************************/ /* if the following lines error during compile, your PTR64 switch is set incorrectly in the makefile */ #ifdef PTR64 UINT8 your_ptr64_flag_is_wrong[(int)(sizeof(void *) - 7)]; #else UINT8 your_ptr64_flag_is_wrong[(int)(5 - sizeof(void *))]; #endif /*************************************************************************** CONSTANTS ***************************************************************************/ #define QUARK_HASH_SIZE 389 /*************************************************************************** TYPE DEFINITIONS ***************************************************************************/ typedef struct _region_entry region_entry; struct _region_entry { astring *tag; UINT32 length; }; typedef struct _region_info region_info; struct _region_info { region_entry entries[256]; }; typedef struct _quark_entry quark_entry; struct _quark_entry { UINT32 crc; struct _quark_entry *next; }; typedef struct _quark_table quark_table; struct _quark_table { UINT32 entries; UINT32 hashsize; quark_entry *entry; quark_entry **hash; }; /*************************************************************************** GLOBAL VARIABLES ***************************************************************************/ static quark_table *source_table; static quark_table *name_table; static quark_table *description_table; static quark_table *roms_table; static quark_table *defstr_table; /*************************************************************************** INLINE FUNCTIONS ***************************************************************************/ /*------------------------------------------------- input_port_string_from_index - return an indexed string from the input port system -------------------------------------------------*/ INLINE const char *input_port_string_from_index(UINT32 index) { input_port_token token; token.i = index; return input_port_string_from_token(token); } /*------------------------------------------------- quark_string_crc - compute the CRC of a string -------------------------------------------------*/ INLINE UINT32 quark_string_crc(const char *string) { return crc32(0, (UINT8 *)string, (UINT32)strlen(string)); } /*------------------------------------------------- quark_add - add a quark to the table and connect it to the hash tables -------------------------------------------------*/ INLINE void quark_add(quark_table *table, int index, UINT32 crc) { quark_entry *entry = &table->entry[index]; int hash = crc % table->hashsize; entry->crc = crc; entry->next = table->hash[hash]; table->hash[hash] = entry; } /*------------------------------------------------- quark_table_get_first - return a pointer to the first hash entry connected to a CRC -------------------------------------------------*/ INLINE quark_entry *quark_table_get_first(quark_table *table, UINT32 crc) { return table->hash[crc % table->hashsize]; } /*------------------------------------------------- validate_tag - ensure that the given tag meets the general requirements -------------------------------------------------*/ INLINE int validate_tag(const game_driver *driver, const char *object, const char *tag) { const char *validchars = "abcdefghijklmnopqrstuvwxyz0123456789_.:"; const char *begin = strrchr(tag, ':'); const char *p; int error = FALSE; for (p = tag; *p != 0; p++) { if (*p != tolower(*p)) { mame_printf_error("%s: %s has %s with tag '%s' containing upper-case characters\n", driver->source_file, driver->name, object, tag); error = TRUE; break; } if (*p == ' ') { mame_printf_error("%s: %s has %s with tag '%s' containing spaces\n", driver->source_file, driver->name, object, tag); error = TRUE; break; } if (strchr(validchars, *p) == NULL) { mame_printf_error("%s: %s has %s with tag '%s' containing invalid character '%c'\n", driver->source_file, driver->name, object, tag, *p); error = TRUE; break; } } if (begin == NULL) begin = tag; else begin += 1; if (strlen(begin) == 0) { mame_printf_error("%s: %s has %s with 0-length tag\n", driver->source_file, driver->name, object); error = TRUE; } if (strlen(begin) > MAX_TAG_LENGTH) { mame_printf_error("%s: %s has %s with tag '%s' > %d characters\n", driver->source_file, driver->name, object, tag, MAX_TAG_LENGTH); error = TRUE; } return error; } /*************************************************************************** QUARK TABLES ***************************************************************************/ /*------------------------------------------------- quark_table_alloc - allocate an array of quark entries and a hash table -------------------------------------------------*/ static quark_table *quark_table_alloc(UINT32 entries, UINT32 hashsize) { quark_table *table; UINT32 total_bytes; /* determine how many total bytes we need */ total_bytes = sizeof(*table) + entries * sizeof(table->entry[0]) + hashsize * sizeof(table->hash[0]); table = auto_malloc(total_bytes); /* fill in the details */ table->entries = entries; table->hashsize = hashsize; /* compute the pointers */ table->entry = (quark_entry *)((UINT8 *)table + sizeof(*table)); table->hash = (quark_entry **)((UINT8 *)table->entry + entries * sizeof(table->entry[0])); /* reset the hash table */ memset(table->hash, 0, hashsize * sizeof(table->hash[0])); return table; } /*------------------------------------------------- quark_tables_create - build "quarks" for fast string operations -------------------------------------------------*/ static void quark_tables_create(void) { int drivnum = driver_list_get_count(drivers), strnum; /* allocate memory for the quark tables */ source_table = quark_table_alloc(drivnum, QUARK_HASH_SIZE); name_table = quark_table_alloc(drivnum, QUARK_HASH_SIZE); description_table = quark_table_alloc(drivnum, QUARK_HASH_SIZE); roms_table = quark_table_alloc(drivnum, QUARK_HASH_SIZE); /* build the quarks and the hash tables */ for (drivnum = 0; drivers[drivnum]; drivnum++) { const game_driver *driver = drivers[drivnum]; /* fill in the quark with hashes of the strings */ quark_add(source_table, drivnum, quark_string_crc(driver->source_file)); quark_add(name_table, drivnum, quark_string_crc(driver->name)); quark_add(description_table, drivnum, quark_string_crc(driver->description)); /* only track actual driver ROM entries */ if (driver->rom && (driver->flags & GAME_NO_STANDALONE) == 0) quark_add(roms_table, drivnum, (FPTR)driver->rom); } /* allocate memory for a quark table of strings */ defstr_table = quark_table_alloc(INPUT_STRING_COUNT, 97); /* add all the default strings */ for (strnum = 1; strnum < INPUT_STRING_COUNT; strnum++) { const char *string = input_port_string_from_index(strnum); if (string != NULL) quark_add(defstr_table, strnum, quark_string_crc(string)); } } /*************************************************************************** VALIDATION FUNCTIONS ***************************************************************************/ /*------------------------------------------------- validate_inlines - validate inline function behaviors -------------------------------------------------*/ static int validate_inlines(void) { #undef rand volatile UINT64 testu64a = rand() ^ (rand() << 15) ^ ((UINT64)rand() << 30) ^ ((UINT64)rand() << 45); volatile INT64 testi64a = rand() ^ (rand() << 15) ^ ((INT64)rand() << 30) ^ ((INT64)rand() << 45); #ifdef PTR64 volatile INT64 testi64b = rand() ^ (rand() << 15) ^ ((INT64)rand() << 30) ^ ((INT64)rand() << 45); #endif volatile UINT32 testu32a = rand() ^ (rand() << 15); volatile UINT32 testu32b = rand() ^ (rand() << 15); volatile INT32 testi32a = rand() ^ (rand() << 15); volatile INT32 testi32b = rand() ^ (rand() << 15); INT32 resulti32, expectedi32; UINT32 resultu32, expectedu32; INT64 resulti64, expectedi64; UINT64 resultu64, expectedu64; INT32 remainder, expremainder; UINT32 uremainder, expuremainder, bigu32 = 0xffffffff; int error = FALSE; /* use only non-zero, positive numbers */ if (testu64a == 0) testu64a++; if (testi64a == 0) testi64a++; else if (testi64a < 0) testi64a = -testi64a; #ifdef PTR64 if (testi64b == 0) testi64b++; else if (testi64b < 0) testi64b = -testi64b; #endif if (testu32a == 0) testu32a++; if (testu32b == 0) testu32b++; if (testi32a == 0) testi32a++; else if (testi32a < 0) testi32a = -testi32a; if (testi32b == 0) testi32b++; else if (testi32b < 0) testi32b = -testi32b; resulti64 = mul_32x32(testi32a, testi32b); expectedi64 = (INT64)testi32a * (INT64)testi32b; if (resulti64 != expectedi64) { mame_printf_error("Error testing mul_32x32 (%08X x %08X) = %08X%08X (expected %08X%08X)\n", testi32a, testi32b, (UINT32)(resulti64 >> 32), (UINT32)resulti64, (UINT32)(expectedi64 >> 32), (UINT32)expectedi64); error = TRUE; } resultu64 = mulu_32x32(testu32a, testu32b); expectedu64 = (UINT64)testu32a * (UINT64)testu32b; if (resultu64 != expectedu64) { mame_printf_error("Error testing mulu_32x32 (%08X x %08X) = %08X%08X (expected %08X%08X)\n", testu32a, testu32b, (UINT32)(resultu64 >> 32), (UINT32)resultu64, (UINT32)(expectedu64 >> 32), (UINT32)expectedu64); error = TRUE; } resulti32 = mul_32x32_hi(testi32a, testi32b); expectedi32 = ((INT64)testi32a * (INT64)testi32b) >> 32; if (resulti32 != expectedi32) { mame_printf_error("Error testing mul_32x32_hi (%08X x %08X) = %08X (expected %08X)\n", testi32a, testi32b, resulti32, expectedi32); error = TRUE; } resultu32 = mulu_32x32_hi(testu32a, testu32b); expectedu32 = ((INT64)testu32a * (INT64)testu32b) >> 32; if (resultu32 != expectedu32) { mame_printf_error("Error testing mulu_32x32_hi (%08X x %08X) = %08X (expected %08X)\n", testu32a, testu32b, resultu32, expectedu32); error = TRUE; } resulti32 = mul_32x32_shift(testi32a, testi32b, 7); expectedi32 = ((INT64)testi32a * (INT64)testi32b) >> 7; if (resulti32 != expectedi32) { mame_printf_error("Error testing mul_32x32_shift (%08X x %08X) >> 7 = %08X (expected %08X)\n", testi32a, testi32b, resulti32, expectedi32); error = TRUE; } resultu32 = mulu_32x32_shift(testu32a, testu32b, 7); expectedu32 = ((INT64)testu32a * (INT64)testu32b) >> 7; if (resultu32 != expectedu32) { mame_printf_error("Error testing mulu_32x32_shift (%08X x %08X) >> 7 = %08X (expected %08X)\n", testu32a, testu32b, resultu32, expectedu32); error = TRUE; } while ((INT64)testi32a * (INT64)0x7fffffff < testi64a) testi64a /= 2; while ((UINT64)testu32a * (UINT64)bigu32 < testu64a) testu64a /= 2; resulti32 = div_64x32(testi64a, testi32a); expectedi32 = testi64a / (INT64)testi32a; if (resulti32 != expectedi32) { mame_printf_error("Error testing div_64x32 (%08X%08X / %08X) = %08X (expected %08X)\n", (UINT32)(testi64a >> 32), (UINT32)testi64a, testi32a, resulti32, expectedi32); error = TRUE; } resultu32 = divu_64x32(testu64a, testu32a); expectedu32 = testu64a / (UINT64)testu32a; if (resultu32 != expectedu32) { mame_printf_error("Error testing divu_64x32 (%08X%08X / %08X) = %08X (expected %08X)\n", (UINT32)(testu64a >> 32), (UINT32)testu64a, testu32a, resultu32, expectedu32); error = TRUE; } resulti32 = div_64x32_rem(testi64a, testi32a, &remainder); expectedi32 = testi64a / (INT64)testi32a; expremainder = testi64a % (INT64)testi32a; if (resulti32 != expectedi32 || remainder != expremainder) { mame_printf_error("Error testing div_64x32_rem (%08X%08X / %08X) = %08X,%08X (expected %08X,%08X)\n", (UINT32)(testi64a >> 32), (UINT32)testi64a, testi32a, resulti32, remainder, expectedi32, expremainder); error = TRUE; } resultu32 = divu_64x32_rem(testu64a, testu32a, &uremainder); expectedu32 = testu64a / (UINT64)testu32a; expuremainder = testu64a % (UINT64)testu32a; if (resultu32 != expectedu32 || uremainder != expuremainder) { mame_printf_error("Error testing divu_64x32_rem (%08X%08X / %08X) = %08X,%08X (expected %08X,%08X)\n", (UINT32)(testu64a >> 32), (UINT32)testu64a, testu32a, resultu32, uremainder, expectedu32, expuremainder); error = TRUE; } resulti32 = mod_64x32(testi64a, testi32a); expectedi32 = testi64a % (INT64)testi32a; if (resulti32 != expectedi32) { mame_printf_error("Error testing mod_64x32 (%08X%08X / %08X) = %08X (expected %08X)\n", (UINT32)(testi64a >> 32), (UINT32)testi64a, testi32a, resulti32, expectedi32); error = TRUE; } resultu32 = modu_64x32(testu64a, testu32a); expectedu32 = testu64a % (UINT64)testu32a; if (resultu32 != expectedu32) { mame_printf_error("Error testing modu_64x32 (%08X%08X / %08X) = %08X (expected %08X)\n", (UINT32)(testu64a >> 32), (UINT32)testu64a, testu32a, resultu32, expectedu32); error = TRUE; } while ((INT64)testi32a * (INT64)0x7fffffff < ((INT32)testi64a << 3)) testi64a /= 2; while ((UINT64)testu32a * (UINT64)0xffffffff < ((UINT32)testu64a << 3)) testu64a /= 2; resulti32 = div_32x32_shift((INT32)testi64a, testi32a, 3); expectedi32 = ((INT64)(INT32)testi64a << 3) / (INT64)testi32a; if (resulti32 != expectedi32) { mame_printf_error("Error testing div_32x32_shift (%08X << 3) / %08X = %08X (expected %08X)\n", (INT32)testi64a, testi32a, resulti32, expectedi32); error = TRUE; } resultu32 = divu_32x32_shift((UINT32)testu64a, testu32a, 3); expectedu32 = ((UINT64)(UINT32)testu64a << 3) / (UINT64)testu32a; if (resultu32 != expectedu32) { mame_printf_error("Error testing divu_32x32_shift (%08X << 3) / %08X = %08X (expected %08X)\n", (UINT32)testu64a, testu32a, resultu32, expectedu32); error = TRUE; } if (fabs(recip_approx(100.0) - 0.01) > 0.0001) { mame_printf_error("Error testing recip_approx\n"); error = TRUE; } testi32a = (testi32a & 0x0000ffff) | 0x400000; if (count_leading_zeros(testi32a) != 9) { mame_printf_error("Error testing count_leading_zeros\n"); error = TRUE; } testi32a = (testi32a | 0xffff0000) & ~0x400000; if (count_leading_ones(testi32a) != 9) { mame_printf_error("Error testing count_leading_ones\n"); error = TRUE; } testi32b = testi32a; if (compare_exchange32(&testi32a, testi32b, 1000) != testi32b || testi32a != 1000) { mame_printf_error("Error testing compare_exchange32\n"); error = TRUE; } #ifdef PTR64 testi64b = testi64a; if (compare_exchange64(&testi64a, testi64b, 1000) != testi64b || testi64a != 1000) { mame_printf_error("Error testing compare_exchange64\n"); error = TRUE; } #endif if (atomic_exchange32(&testi32a, testi32b) != 1000) { mame_printf_error("Error testing atomic_exchange32\n"); error = TRUE; } if (atomic_add32(&testi32a, 45) != testi32b + 45) { mame_printf_error("Error testing atomic_add32\n"); error = TRUE; } if (atomic_increment32(&testi32a) != testi32b + 46) { mame_printf_error("Error testing atomic_increment32\n"); error = TRUE; } if (atomic_decrement32(&testi32a) != testi32b + 45) { mame_printf_error("Error testing atomic_decrement32\n"); error = TRUE; } return error; } /*------------------------------------------------- validate_driver - validate basic driver information -------------------------------------------------*/ static int validate_driver(int drivnum, const machine_config *config) { const game_driver *driver = drivers[drivnum]; const game_driver *clone_of; quark_entry *entry; int error = FALSE; const char *s; UINT32 crc; /* determine the clone */ clone_of = driver_get_clone(driver); /* if we have at least 100 drivers, validate the clone */ /* (100 is arbitrary, but tries to avoid tiny.mak dependencies) */ if (driver_list_get_count(drivers) > 100 && !clone_of && strcmp(driver->parent, "0")) { mame_printf_error("%s: %s is a non-existant clone\n", driver->source_file, driver->parent); error = TRUE; } /* look for recursive cloning */ if (clone_of == driver) { mame_printf_error("%s: %s is set as a clone of itself\n", driver->source_file, driver->name); error = TRUE; } /* look for clones that are too deep */ if (clone_of != NULL && (clone_of = driver_get_clone(clone_of)) != NULL && (clone_of->flags & GAME_IS_BIOS_ROOT) == 0) { mame_printf_error("%s: %s is a clone of a clone\n", driver->source_file, driver->name); error = TRUE; } /* make sure the driver name is 8 chars or less */ if (strlen(driver->name) > 8) { mame_printf_error("%s: %s driver name must be 8 characters or less\n", driver->source_file, driver->name); error = TRUE; } /* make sure the year is only digits, '?' or '+' */ for (s = driver->year; *s; s++) if (!isdigit(*s) && *s != '?' && *s != '+') { mame_printf_error("%s: %s has an invalid year '%s'\n", driver->source_file, driver->name, driver->year); error = TRUE; break; } #ifndef MESS /* make sure sound-less drivers are flagged */ if ((driver->flags & GAME_IS_BIOS_ROOT) == 0 && config->sound[0].type == SOUND_DUMMY && (driver->flags & GAME_NO_SOUND) == 0 && strcmp(driver->name, "minivadr")) { mame_printf_error("%s: %s missing GAME_NO_SOUND flag\n", driver->source_file, driver->name); error = TRUE; } #endif /* find duplicate driver names */ crc = quark_string_crc(driver->name); for (entry = quark_table_get_first(name_table, crc); entry; entry = entry->next) if (entry->crc == crc && entry != &name_table->entry[drivnum]) { const game_driver *match = drivers[entry - name_table->entry]; if (!strcmp(match->name, driver->name)) { mame_printf_error("%s: %s is a duplicate name (%s, %s)\n", driver->source_file, driver->name, match->source_file, match->name); error = TRUE; } } /* find duplicate descriptions */ crc = quark_string_crc(driver->description); for (entry = quark_table_get_first(description_table, crc); entry; entry = entry->next) if (entry->crc == crc && entry != &description_table->entry[drivnum]) { const game_driver *match = drivers[entry - description_table->entry]; if (!strcmp(match->description, driver->description)) { mame_printf_error("%s: %s is a duplicate description (%s, %s)\n", driver->source_file, driver->description, match->source_file, match->name); error = TRUE; } } /* find shared ROM entries */ #ifndef MESS if (driver->rom && (driver->flags & GAME_IS_BIOS_ROOT) == 0) { crc = (FPTR)driver->rom; for (entry = quark_table_get_first(roms_table, crc); entry; entry = entry->next) if (entry->crc == crc && entry != &roms_table->entry[drivnum]) { const game_driver *match = drivers[entry - roms_table->entry]; if (match->rom == driver->rom) { mame_printf_error("%s: %s uses the same ROM set as (%s, %s)\n", driver->source_file, driver->description, match->source_file, match->name); error = TRUE; } } } #endif /* MESS */ return error; } /*------------------------------------------------- validate_roms - validate ROM definitions -------------------------------------------------*/ static int validate_roms(int drivnum, const machine_config *config, region_info *rgninfo) { const game_driver *driver = drivers[drivnum]; int bios_flags = 0, last_bios = 0; const char *last_name = "???"; region_entry *currgn = NULL; int items_since_region = 1; const rom_source *source; int error = FALSE; /* iterate, starting with the driver's ROMs and continuing with device ROMs */ for (source = rom_first_source(driver, config); source != NULL; source = rom_next_source(driver, config, source)) { const rom_entry *romp; /* scan the ROM entries */ for (romp = rom_first_region(driver, source); !ROMENTRY_ISEND(romp); romp++) { /* if this is a region, make sure it's valid, and record the length */ if (ROMENTRY_ISREGION(romp)) { const char *regiontag = ROMREGION_GETTAG(romp); /* if we haven't seen any items since the last region, print a warning */ if (items_since_region == 0) mame_printf_warning("%s: %s has empty ROM region (warning)\n", driver->source_file, driver->name); items_since_region = (ROMREGION_ISERASE(romp) || ROMREGION_ISDISPOSE(romp) || ROMREGION_ISDISKDATA(romp)) ? 1 : 0; currgn = NULL; /* check for a valid tag */ if (regiontag == NULL) { mame_printf_error("%s: %s has NULL ROM_REGION tag\n", driver->source_file, driver->name); error = TRUE; } /* load by name entries must be 8 characters or less */ else if (ROMREGION_ISLOADBYNAME(romp) && strlen(regiontag) > 8) { mame_printf_error("%s: %s has load-by-name region \"%s\" with name >8 characters\n", driver->source_file, driver->name, regiontag); error = TRUE; } /* find any empty entry, checking for duplicates */ else { astring *fulltag = rom_region_name(astring_alloc(), driver, source, romp); int rgnnum; /* iterate over all regions found so far */ for (rgnnum = 0; rgnnum < ARRAY_LENGTH(rgninfo->entries); rgnnum++) { /* stop when we hit an empty */ if (rgninfo->entries[rgnnum].tag == NULL) { currgn = &rgninfo->entries[rgnnum]; currgn->tag = fulltag; currgn->length = ROMREGION_GETLENGTH(romp); break; } /* fail if we hit a duplicate */ if (astring_cmp(fulltag, rgninfo->entries[rgnnum].tag) == 0) { mame_printf_error("%s: %s has duplicate ROM_REGION tag \"%s\"\n", driver->source_file, driver->name, astring_c(fulltag)); error = TRUE; astring_free(fulltag); break; } } } /* validate the region tag */ error |= validate_tag(driver, "region", regiontag); } /* If this is a system bios, make sure it is using the next available bios number */ else if (ROMENTRY_ISSYSTEM_BIOS(romp)) { bios_flags = ROM_GETBIOSFLAGS(romp); if (last_bios+1 != bios_flags) { const char *name = ROM_GETNAME(romp); mame_printf_error("%s: %s has non-sequential bios %s\n", driver->source_file, driver->name, name); error = TRUE; } last_bios = bios_flags; } /* if this is a file, make sure it is properly formatted */ else if (ROMENTRY_ISFILE(romp)) { const char *hash; const char *s; items_since_region++; /* track the last filename we found */ last_name = ROM_GETNAME(romp); /* make sure it's all lowercase */ for (s = last_name; *s; s++) if (tolower(*s) != *s) { mame_printf_error("%s: %s has upper case ROM name %s\n", driver->source_file, driver->name, last_name); error = TRUE; break; } /* if this is a bios rom, make sure it has the same flags as the last system bios entry */ /* bios_flags = ROM_GETBIOSFLAGS(romp); if (bios_flags != 0) { if (bios_flags != last_bios) { mame_printf_error("%s: %s has bios rom name %s without preceding matching system bios definition\n", driver->source_file, driver->name, last_name); error = TRUE; } }*/ /* make sure the has is valid */ hash = ROM_GETHASHDATA(romp); if (!hash_verify_string(hash)) { mame_printf_error("%s: rom '%s' has an invalid hash string '%s'\n", driver->name, last_name, hash); error = TRUE; } } /* for any non-region ending entries, make sure they don't extend past the end */ if (!ROMENTRY_ISREGIONEND(romp) && currgn != NULL) { items_since_region++; if (ROM_GETOFFSET(romp) + ROM_GETLENGTH(romp) > currgn->length) { mame_printf_error("%s: %s has ROM %s extending past the defined memory region\n", driver->source_file, driver->name, last_name); error = TRUE; } } } /* final check for empty regions */ if (items_since_region == 0) mame_printf_warning("%s: %s has empty ROM region (warning)\n", driver->source_file, driver->name); } return error; } /*------------------------------------------------- validate_cpu - validate CPUs and memory maps -------------------------------------------------*/ static int validate_cpu(int drivnum, const machine_config *config, const input_port_config *portlist, region_info *rgninfo) { const game_driver *driver = drivers[drivnum]; cpu_validity_check_func cpu_validity_check; int error = FALSE; int cpunum; /* loop over all the CPUs */ for (cpunum = 0; cpunum < MAX_CPU; cpunum++) { extern CPU_GET_INFO( dummy ); const cpu_config *cpu = &config->cpu[cpunum]; int spacenum, checknum; /* skip empty entries */ if (cpu->type == CPU_DUMMY) continue; /* check for valid tag */ if (cpu->tag == NULL) { mame_printf_error("%s: %s has NULL CPU tag\n", driver->source_file, driver->name); error = TRUE; } /* check for duplicate tags */ else { for (checknum = 0; checknum < cpunum; checknum++) if (config->cpu[checknum].tag != NULL && strcmp(cpu->tag, config->cpu[checknum].tag) == 0) { mame_printf_error("%s: %s has multiple CPUs tagged as '%s'\n", driver->source_file, driver->name, cpu->tag); error = TRUE; } } /* validate the CPU tag */ error |= validate_tag(driver, "CPU", cpu->tag); /* checks to see if this driver is using a dummy CPU */ if (cputype_get_interface(cpu->type)->get_info == CPU_GET_INFO_NAME(dummy)) { mame_printf_error("%s: %s uses non-present CPU\n", driver->source_file, driver->name); error = TRUE; continue; } /* check the CPU for incompleteness */ if (cputype_get_info_fct(cpu->type, CPUINFO_PTR_GET_CONTEXT) == NULL || cputype_get_info_fct(cpu->type, CPUINFO_PTR_SET_CONTEXT) == NULL || cputype_get_info_fct(cpu->type, CPUINFO_PTR_RESET) == NULL || cputype_get_info_fct(cpu->type, CPUINFO_PTR_EXECUTE) == NULL) { mame_printf_error("%s: %s uses an incomplete CPU\n", driver->source_file, driver->name); error = TRUE; continue; } /* check for CPU-specific validity check */ cpu_validity_check = (cpu_validity_check_func) cputype_get_info_fct(cpu->type, CPUINFO_PTR_VALIDITY_CHECK); if (cpu_validity_check != NULL) { if ((*cpu_validity_check)(driver, config->cpu[cpunum].reset_param)) error = TRUE; } /* loop over all address spaces */ for (spacenum = 0; spacenum < ADDRESS_SPACES; spacenum++) { #define SPACE_SHIFT(a) ((addr_shift < 0) ? ((a) << -addr_shift) : ((a) >> addr_shift)) #define SPACE_SHIFT_END(a) ((addr_shift < 0) ? (((a) << -addr_shift) | ((1 << -addr_shift) - 1)) : ((a) >> addr_shift)) int databus_width = cputype_databus_width(cpu->type, spacenum); int addr_shift = cputype_addrbus_shift(cpu->type, spacenum); int alignunit = databus_width/8; address_map_entry *entry; address_map *map; /* check to see that the same map is not used twice */ if (cpu->address_map[spacenum][0] != NULL && cpu->address_map[spacenum][0] == cpu->address_map[spacenum][1]) { mame_printf_error("%s: %s uses identical memory maps for CPU #%d spacenum %d\n", driver->source_file, driver->name, cpunum, spacenum); error = TRUE; } /* construct the maps */ map = address_map_alloc(config, driver, cpunum, spacenum); /* if this is an empty map, just skip it */ if (map->entrylist == NULL) { address_map_free(map); continue; } /* validate the global map parameters */ if (map->spacenum != spacenum) { mame_printf_error("%s: %s CPU #%d space %d has address space %d handlers!\n", driver->source_file, driver->name, cpunum, spacenum, map->spacenum); error = TRUE; } if (map->databits != databus_width) { mame_printf_error("%s: %s cpu #%d uses wrong memory handlers for %s space! (width = %d, memory = %08x)\n", driver->source_file, driver->name, cpunum, address_space_names[spacenum], databus_width, map->databits); error = TRUE; } /* loop over entries and look for errors */ for (entry = map->entrylist; entry != NULL; entry = entry->next) { UINT32 bytestart = SPACE_SHIFT(entry->addrstart); UINT32 byteend = SPACE_SHIFT_END(entry->addrend); /* look for inverted start/end pairs */ if (byteend < bytestart) { mame_printf_error("%s: %s wrong %s memory read handler start = %08x > end = %08x\n", driver->source_file, driver->name, address_space_names[spacenum], entry->addrstart, entry->addrend); error = TRUE; } /* look for misaligned entries */ if ((bytestart & (alignunit - 1)) != 0 || (byteend & (alignunit - 1)) != (alignunit - 1)) { mame_printf_error("%s: %s wrong %s memory read handler start = %08x, end = %08x ALIGN = %d\n", driver->source_file, driver->name, address_space_names[spacenum], entry->addrstart, entry->addrend, alignunit); error = TRUE; } /* if this is a program space, auto-assign implicit ROM entries */ if ((FPTR)entry->read.generic == STATIC_ROM && entry->region == NULL) { entry->region = config->cpu[cpunum].tag; entry->rgnoffs = entry->addrstart; } /* if this entry references a memory region, validate it */ if (entry->region != NULL && entry->share == 0) { int rgnnum; /* loop over entries in the class */ for (rgnnum = 0; rgnnum < ARRAY_LENGTH(rgninfo->entries); rgnnum++) { /* stop if we hit an empty */ if (rgninfo->entries[rgnnum].tag == NULL) { mame_printf_error("%s: %s CPU %d space %d memory map entry %X-%X references non-existant region \"%s\"\n", driver->source_file, driver->name, cpunum, spacenum, entry->addrstart, entry->addrend, entry->region); error = TRUE; break; } /* if we hit a match, check against the length */ if (astring_cmpc(rgninfo->entries[rgnnum].tag, entry->region) == 0) { offs_t length = rgninfo->entries[rgnnum].length; if (entry->rgnoffs + (byteend - bytestart + 1) > length) { mame_printf_error("%s: %s CPU %d space %d memory map entry %X-%X extends beyond region \"%s\" size (%X)\n", driver->source_file, driver->name, cpunum, spacenum, entry->addrstart, entry->addrend, entry->region, length); error = TRUE; } break; } } } /* make sure all devices exist */ if (entry->read_devtype != NULL && device_list_find_by_tag(config->devicelist, entry->read_devtype, entry->read_devtag) == NULL) { mame_printf_error("%s: %s CPU %d space %d memory map entry references nonexistant device type %s, tag %s\n", driver->source_file, driver->name, cpunum, spacenum, devtype_name(entry->read_devtype), entry->read_devtag); error = TRUE; } if (entry->write_devtype != NULL && device_list_find_by_tag(config->devicelist, entry->write_devtype, entry->write_devtag) == NULL) { mame_printf_error("%s: %s CPU %d space %d memory map entry references nonexistant device type %s, tag %s\n", driver->source_file, driver->name, cpunum, spacenum, devtype_name(entry->write_devtype), entry->write_devtag); error = TRUE; } /* make sure ports exist */ if (entry->read_porttag != NULL && input_port_by_tag(portlist, entry->read_porttag) == NULL) { mame_printf_error("%s: %s CPU %d space %d memory map entry references nonexistant port tag %s\n", driver->source_file, driver->name, cpunum, spacenum, entry->read_porttag); error = TRUE; } } /* release the address map */ address_map_free(map); /* validate the interrupts */ if (cpu->vblank_interrupt != NULL) { if (video_screen_count(config) == 0) { mame_printf_error("%s: %s cpu #%d has a VBLANK interrupt, but the driver is screenless !\n", driver->source_file, driver->name, cpunum); error = TRUE; } else if (cpu->vblank_interrupts_per_frame == 0) { mame_printf_error("%s: %s cpu #%d has a VBLANK interrupt handler with 0 interrupts!\n", driver->source_file, driver->name, cpunum); error = TRUE; } else if (cpu->vblank_interrupts_per_frame == 1) { if (cpu->vblank_interrupt_screen == NULL) { mame_printf_error("%s: %s cpu #%d has a valid VBLANK interrupt handler with no screen tag supplied!\n", driver->source_file, driver->name, cpunum); error = TRUE; } else if (device_list_index(config->devicelist, VIDEO_SCREEN, cpu->vblank_interrupt_screen) == -1) { mame_printf_error("%s: %s cpu #%d VBLANK interrupt with a non-existant screen tag (%s)!\n", driver->source_file, driver->name, cpunum, cpu->vblank_interrupt_screen); error = TRUE; } } } else if (cpu->vblank_interrupts_per_frame != 0) { mame_printf_error("%s: %s cpu #%d has no VBLANK interrupt handler but a non-0 interrupt count is given!\n", driver->source_file, driver->name, cpunum); error = TRUE; } if ((cpu->timed_interrupt != NULL) && (cpu->timed_interrupt_period == 0)) { mame_printf_error("%s: %s cpu #%d has a timer interrupt handler with 0 period!\n", driver->source_file, driver->name, cpunum); error = TRUE; } else if ((cpu->timed_interrupt == NULL) && (cpu->timed_interrupt_period != 0)) { mame_printf_error("%s: %s cpu #%d has a no timer interrupt handler but has a non-0 period given!\n", driver->source_file, driver->name, cpunum); error = TRUE; } } } return error; } /*------------------------------------------------- validate_display - validate display configurations -------------------------------------------------*/ static int validate_display(int drivnum, const machine_config *config) { const game_driver *driver = drivers[drivnum]; const device_config *device; int palette_modes = FALSE; int error = FALSE; /* loop over screens */ for (device = video_screen_first(config); device != NULL; device = video_screen_next(device)) { const screen_config *scrconfig = device->inline_config; /* sanity check dimensions */ if ((scrconfig->width <= 0) || (scrconfig->height <= 0)) { mame_printf_error("%s: %s screen \"%s\" has invalid display dimensions\n", driver->source_file, driver->name, device->tag); error = TRUE; } /* sanity check display area */ if (scrconfig->type != SCREEN_TYPE_VECTOR) { if ((scrconfig->visarea.max_x < scrconfig->visarea.min_x) || (scrconfig->visarea.max_y < scrconfig->visarea.min_y) || (scrconfig->visarea.max_x >= scrconfig->width) || (scrconfig->visarea.max_y >= scrconfig->height)) { mame_printf_error("%s: %s screen \"%s\" has an invalid display area\n", driver->source_file, driver->name, device->tag); error = TRUE; } /* sanity check screen formats */ if (scrconfig->format != BITMAP_FORMAT_INDEXED16 && scrconfig->format != BITMAP_FORMAT_RGB15 && scrconfig->format != BITMAP_FORMAT_RGB32) { mame_printf_error("%s: %s screen \"%s\" has unsupported format\n", driver->source_file, driver->name, device->tag); error = TRUE; } if (scrconfig->format == BITMAP_FORMAT_INDEXED16) palette_modes = TRUE; } /* check for zero frame rate */ if (scrconfig->refresh == 0) { mame_printf_error("%s: %s screen \"%s\" has a zero refresh rate\n", driver->source_file, driver->name, device->tag); error = TRUE; } } /* check for empty palette */ if (palette_modes && config->total_colors == 0) { mame_printf_error("%s: %s has zero palette entries\n", driver->source_file, driver->name); error = TRUE; } return error; } /*------------------------------------------------- validate_gfx - validate graphics decoding configuration -------------------------------------------------*/ static int validate_gfx(int drivnum, const machine_config *config, region_info *rgninfo) { const game_driver *driver = drivers[drivnum]; int error = FALSE; int gfxnum; /* bail if no gfx */ if (!config->gfxdecodeinfo) return FALSE; /* iterate over graphics decoding entries */ for (gfxnum = 0; gfxnum < MAX_GFX_ELEMENTS && config->gfxdecodeinfo[gfxnum].gfxlayout != NULL; gfxnum++) { const gfx_decode_entry *gfx = &config->gfxdecodeinfo[gfxnum]; const char *region = gfx->memory_region; int xscale = (config->gfxdecodeinfo[gfxnum].xscale == 0) ? 1 : config->gfxdecodeinfo[gfxnum].xscale; int yscale = (config->gfxdecodeinfo[gfxnum].yscale == 0) ? 1 : config->gfxdecodeinfo[gfxnum].yscale; const gfx_layout *gl = gfx->gfxlayout; int israw = (gl->planeoffset[0] == GFX_RAW); int planes = gl->planes; UINT16 width = gl->width; UINT16 height = gl->height; UINT32 total = gl->total; /* make sure the region exists */ if (region != NULL) { int rgnnum; /* loop over gfx regions */ for (rgnnum = 0; rgnnum < ARRAY_LENGTH(rgninfo->entries); rgnnum++) { /* stop if we hit an empty */ if (rgninfo->entries[rgnnum].tag == NULL) { mame_printf_error("%s: %s has gfx[%d] referencing non-existent region \"%s\"\n", driver->source_file, driver->name, gfxnum, region); error = TRUE; break; } /* if we hit a match, check against the length */ if (astring_cmpc(rgninfo->entries[rgnnum].tag, region) == 0) { /* if we have a valid region, and we're not using auto-sizing, check the decode against the region length */ if (!IS_FRAC(total)) { int len, avail, plane, start; UINT32 charincrement = gl->charincrement; const UINT32 *poffset = gl->planeoffset; /* determine which plane is the largest */ start = 0; for (plane = 0; plane < planes; plane++) if (poffset[plane] > start) start = poffset[plane]; start &= ~(charincrement - 1); /* determine the total length based on this info */ len = total * charincrement; /* do we have enough space in the region to cover the whole decode? */ avail = rgninfo->entries[rgnnum].length - (gfx->start & ~(charincrement/8-1)); /* if not, this is an error */ if ((start + len) / 8 > avail) { mame_printf_error("%s: %s has gfx[%d] extending past allocated memory of region \"%s\"\n", driver->source_file, driver->name, gfxnum, region); error = TRUE; } } break; } } } if (israw) { if (total != RGN_FRAC(1,1)) { mame_printf_error("%s: %s has gfx[%d] with unsupported layout total\n", driver->source_file, driver->name, gfxnum); error = TRUE; } if (xscale != 1 || yscale != 1) { mame_printf_error("%s: %s has gfx[%d] with unsupported xscale/yscale\n", driver->source_file, driver->name, gfxnum); error = TRUE; } } else { if (planes > MAX_GFX_PLANES) { mame_printf_error("%s: %s has gfx[%d] with invalid planes\n", driver->source_file, driver->name, gfxnum); error = TRUE; } if (xscale * width > MAX_ABS_GFX_SIZE || yscale * height > MAX_ABS_GFX_SIZE) { mame_printf_error("%s: %s has gfx[%d] with invalid xscale/yscale\n", driver->source_file, driver->name, gfxnum); error = TRUE; } } } return error; } /*------------------------------------------------- get_defstr_index - return the index of the string assuming it is one of the default strings -------------------------------------------------*/ static int get_defstr_index(const char *name, const game_driver *driver, int *error) { UINT32 crc = quark_string_crc(name); quark_entry *entry; int strindex = 0; /* scan the quark table of input port strings */ for (entry = quark_table_get_first(defstr_table, crc); entry != NULL; entry = entry->next) if (entry->crc == crc && strcmp(name, input_port_string_from_index(entry - defstr_table->entry)) == 0) { strindex = entry - defstr_table->entry; break; } /* check for strings that should be DEF_STR */ if (strindex != 0 && name != input_port_string_from_index(strindex) && error != NULL) { mame_printf_error("%s: %s must use DEF_STR( %s )\n", driver->source_file, driver->name, name); *error = TRUE; } return strindex; } /*------------------------------------------------- validate_analog_input_field - validate an analog input field -------------------------------------------------*/ static void validate_analog_input_field(const input_field_config *field, const game_driver *driver, int *error) { INT32 analog_max = field->max; INT32 analog_min = field->min; int shift; if (field->type == IPT_POSITIONAL || field->type == IPT_POSITIONAL_V) { for (shift = 0; (shift <= 31) && (~field->mask & (1 << shift)); shift++) ; /* convert the positional max value to be in the bitmask for testing */ analog_max = (analog_max - 1) << shift; /* positional port size must fit in bits used */ if (((field->mask >> shift) + 1) < field->max) { mame_printf_error("%s: %s has an analog port with a positional port size bigger then the mask size\n", driver->source_file, driver->name); *error = TRUE; } } else { /* only positional controls use PORT_WRAPS */ if (field->flags & ANALOG_FLAG_WRAPS) { mame_printf_error("%s: %s only positional analog ports use PORT_WRAPS\n", driver->source_file, driver->name); *error = TRUE; } } /* analog ports must have a valid sensitivity */ if (field->sensitivity == 0) { mame_printf_error("%s: %s has an analog port with zero sensitivity\n", driver->source_file, driver->name); *error = TRUE; } /* check that the default falls in the bitmask range */ if (field->defvalue & ~field->mask) { mame_printf_error("%s: %s has an analog port with a default value out of the bitmask range\n", driver->source_file, driver->name); *error = TRUE; } /* tests for absolute devices */ if (field->type >= __ipt_analog_absolute_start && field->type <= __ipt_analog_absolute_end) { INT32 default_value = field->defvalue; /* adjust for signed values */ if (analog_min > analog_max) { analog_min = -analog_min; if (default_value > analog_max) default_value = -default_value; } /* check that the default falls in the MINMAX range */ if (default_value < analog_min || default_value > analog_max) { mame_printf_error("%s: %s has an analog port with a default value out PORT_MINMAX range\n", driver->source_file, driver->name); *error = TRUE; } /* check that the MINMAX falls in the bitmask range */ /* we use the unadjusted min for testing */ if (field->min & ~field->mask || analog_max & ~field->mask) { mame_printf_error("%s: %s has an analog port with a PORT_MINMAX value out of the bitmask range\n", driver->source_file, driver->name); *error = TRUE; } /* absolute analog ports do not use PORT_RESET */ if (field->flags & ANALOG_FLAG_RESET) { mame_printf_error("%s: %s - absolute analog ports do not use PORT_RESET\n", driver->source_file, driver->name); *error = TRUE; } } /* tests for relative devices */ else { /* tests for non IPT_POSITIONAL relative devices */ if (field->type != IPT_POSITIONAL && field->type != IPT_POSITIONAL_V) { /* relative devices do not use PORT_MINMAX */ if (field->min != 0 || field->max != field->mask) { mame_printf_error("%s: %s - relative ports do not use PORT_MINMAX\n", driver->source_file, driver->name); *error = TRUE; } /* relative devices do not use a default value */ /* the counter is at 0 on power up */ if (field->defvalue != 0) { mame_printf_error("%s: %s - relative ports do not use a default value other then 0\n", driver->source_file, driver->name); *error = TRUE; } } } } /*------------------------------------------------- validate_dip_settings - validate a DIP switch setting -------------------------------------------------*/ static void validate_dip_settings(const input_field_config *field, const game_driver *driver, int *error) { const char *demo_sounds = input_port_string_from_index(INPUT_STRING_Demo_Sounds); const char *flipscreen = input_port_string_from_index(INPUT_STRING_Flip_Screen); UINT8 coin_list[INPUT_STRING_1C_9C + 1 - INPUT_STRING_9C_1C] = { 0 }; const input_setting_config *setting; int coin_error = FALSE; /* iterate through the settings */ for (setting = field->settinglist; setting != NULL; setting = setting->next) { int strindex = get_defstr_index(setting->name, driver, error); /* note any coinage strings */ if (strindex >= INPUT_STRING_9C_1C && strindex <= INPUT_STRING_1C_9C) coin_list[strindex - INPUT_STRING_9C_1C] = 1; /* make sure demo sounds default to on */ if (field->name == demo_sounds && strindex == INPUT_STRING_On && field->defvalue != setting->value) { mame_printf_error("%s: %s Demo Sounds must default to On\n", driver->source_file, driver->name); *error = TRUE; } /* check for bad demo sounds options */ if (field->name == demo_sounds && (strindex == INPUT_STRING_Yes || strindex == INPUT_STRING_No)) { mame_printf_error("%s: %s has wrong Demo Sounds option %s (must be Off/On)\n", driver->source_file, driver->name, setting->name); *error = TRUE; } /* check for bad flip screen options */ if (field->name == flipscreen && (strindex == INPUT_STRING_Yes || strindex == INPUT_STRING_No)) { mame_printf_error("%s: %s has wrong Flip Screen option %s (must be Off/On)\n", driver->source_file, driver->name, setting->name); *error = TRUE; } /* if we have a neighbor, compare ourselves to him */ if (setting->next != NULL) { int next_strindex = get_defstr_index(setting->next->name, driver, error); /* check for inverted off/on dispswitch order */ if (strindex == INPUT_STRING_On && next_strindex == INPUT_STRING_Off) { mame_printf_error("%s: %s has inverted Off/On dipswitch order\n", driver->source_file, driver->name); *error = TRUE; } /* check for inverted yes/no dispswitch order */ else if (strindex == INPUT_STRING_Yes && next_strindex == INPUT_STRING_No) { mame_printf_error("%s: %s has inverted No/Yes dipswitch order\n", driver->source_file, driver->name); *error = TRUE; } /* check for inverted upright/cocktail dispswitch order */ else if (strindex == INPUT_STRING_Cocktail && next_strindex == INPUT_STRING_Upright) { mame_printf_error("%s: %s has inverted Upright/Cocktail dipswitch order\n", driver->source_file, driver->name); *error = TRUE; } /* check for proper coin ordering */ else if (strindex >= INPUT_STRING_9C_1C && strindex <= INPUT_STRING_1C_9C && next_strindex >= INPUT_STRING_9C_1C && next_strindex <= INPUT_STRING_1C_9C && strindex >= next_strindex && memcmp(&setting->condition, &setting->next->condition, sizeof(setting->condition)) == 0) { mame_printf_error("%s: %s has unsorted coinage %s > %s\n", driver->source_file, driver->name, setting->name, setting->next->name); coin_error = *error = TRUE; } } } /* if we have a coin error, demonstrate the correct way */ if (coin_error) { int entry; mame_printf_error("%s: %s proper coin sort order should be:\n", driver->source_file, driver->name); for (entry = 0; entry < ARRAY_LENGTH(coin_list); entry++) if (coin_list[entry]) mame_printf_error("%s\n", input_port_string_from_index(INPUT_STRING_9C_1C + entry)); } } /*------------------------------------------------- validate_inputs - validate input configuration -------------------------------------------------*/ static int validate_inputs(int drivnum, const machine_config *config, const input_port_config **portlistptr) { const input_port_config *scanport; const input_port_config *port; const input_field_config *field; const game_driver *driver = drivers[drivnum]; int empty_string_found = FALSE; char errorbuf[1024]; int error = FALSE; /* skip if no ports */ if (driver->ipt == NULL) return FALSE; /* allocate the input ports */ *portlistptr = input_port_config_alloc(driver->ipt, errorbuf, sizeof(errorbuf)); if (errorbuf[0] != 0) { mame_printf_error("%s: %s has input port errors:\n%s\n", driver->source_file, driver->name, errorbuf); error = TRUE; } /* check for duplicate tags */ for (port = *portlistptr; port != NULL; port = port->next) if (port->tag != NULL) for (scanport = port->next; scanport != NULL; scanport = scanport->next) if (scanport->tag != NULL && strcmp(port->tag, scanport->tag) == 0) { mame_printf_error("%s: %s has a duplicate input port tag \"%s\"\n", driver->source_file, driver->name, port->tag); error = TRUE; } /* iterate over the results */ for (port = *portlistptr; port != NULL; port = port->next) for (field = port->fieldlist; field != NULL; field = field->next) { const input_setting_config *setting; int strindex = 0; /* verify analog inputs */ if (input_type_is_analog(field->type)) validate_analog_input_field(field, driver, &error); /* verify dip switches */ if (field->type == IPT_DIPSWITCH) { /* dip switch fields must have a name */ if (field->name == NULL) { mame_printf_error("%s: %s has a DIP switch name or setting with no name\n", driver->source_file, driver->name); error = TRUE; } /* verify the settings list */ validate_dip_settings(field, driver, &error); } /* look for invalid (0) types which should be mapped to IPT_OTHER */ if (field->type == IPT_INVALID) { mame_printf_error("%s: %s has an input port with an invalid type (0); use IPT_OTHER instead\n", driver->source_file, driver->name); error = TRUE; } /* verify names */ if (field->name != NULL) { /* check for empty string */ if (field->name[0] == 0 && !empty_string_found) { mame_printf_error("%s: %s has an input with an empty string\n", driver->source_file, driver->name); empty_string_found = error = TRUE; } /* check for trailing spaces */ if (field->name[0] != 0 && field->name[strlen(field->name) - 1] == ' ') { mame_printf_error("%s: %s input '%s' has trailing spaces\n", driver->source_file, driver->name, field->name); error = TRUE; } /* check for invalid UTF-8 */ if (!utf8_is_valid_string(field->name)) { mame_printf_error("%s: %s input '%s' has invalid characters\n", driver->source_file, driver->name, field->name); error = TRUE; } /* look up the string and print an error if default strings are not used */ strindex = get_defstr_index(field->name, driver, &error); } /* verify conditions on the field */ if (field->condition.tag != NULL) { /* find a matching port */ for (scanport = *portlistptr; scanport != NULL; scanport = scanport->next) if (scanport->tag != NULL && strcmp(field->condition.tag, scanport->tag) == 0) break; /* if none, error */ if (scanport == NULL) { mame_printf_error("%s: %s has a condition referencing non-existent input port tag \"%s\"\n", driver->source_file, driver->name, field->condition.tag); error = TRUE; } } /* verify conditions on the settings */ for (setting = field->settinglist; setting != NULL; setting = setting->next) if (setting->condition.tag != NULL) { /* find a matching port */ for (scanport = *portlistptr; scanport != NULL; scanport = scanport->next) if (scanport->tag != NULL && strcmp(setting->condition.tag, scanport->tag) == 0) break; /* if none, error */ if (scanport == NULL) { mame_printf_error("%s: %s has a condition referencing non-existent input port tag \"%s\"\n", driver->source_file, driver->name, setting->condition.tag); error = TRUE; } } } #ifdef MESS if (mess_validate_input_ports(drivnum, config, *portlistptr)) error = TRUE; #endif /* MESS */ /* free the config */ return error; } /*------------------------------------------------- validate_sound - validate sound and speaker configuration -------------------------------------------------*/ static int validate_sound(int drivnum, const machine_config *config) { const game_driver *driver = drivers[drivnum]; const device_config *curspeak, *checkspeak; int error = FALSE; int sndnum; /* make sure the speaker layout makes sense */ for (curspeak = speaker_output_first(config); curspeak != NULL; curspeak = speaker_output_next(curspeak)) { int check; /* check for duplicate tags */ for (checkspeak = speaker_output_first(config); checkspeak != NULL; checkspeak = speaker_output_next(checkspeak)) if (checkspeak != curspeak && strcmp(checkspeak->tag, curspeak->tag) == 0) { mame_printf_error("%s: %s has multiple speakers tagged as '%s'\n", driver->source_file, driver->name, checkspeak->tag); error = TRUE; } /* make sure there are no sound chips with the same tag */ for (check = 0; check < MAX_SOUND && config->sound[check].type != SOUND_DUMMY; check++) if (config->sound[check].tag && strcmp(curspeak->tag, config->sound[check].tag) == 0) { mame_printf_error("%s: %s has both a speaker and a sound chip tagged as '%s'\n", driver->source_file, driver->name, curspeak->tag); error = TRUE; } } /* make sure the sounds are wired to the speakers correctly */ for (sndnum = 0; sndnum < MAX_SOUND && config->sound[sndnum].type != SOUND_DUMMY; sndnum++) { int routenum, checknum; /* check for duplicate tags */ if (config->sound[sndnum].tag != NULL) for (checknum = 0; checknum < sndnum; checknum++) if (config->sound[checknum].tag != NULL && strcmp(config->sound[sndnum].tag, config->sound[checknum].tag) == 0) { mame_printf_error("%s: %s has multiple sound chips tagged as '%s'\n", driver->source_file, driver->name, config->sound[sndnum].tag); error = TRUE; } /* validate the sound tag */ error |= validate_tag(driver, "sound", config->sound[sndnum].tag); /* loop over all the routes */ for (routenum = 0; routenum < config->sound[sndnum].routes; routenum++) { /* find a speaker with the requested tag */ for (checkspeak = speaker_output_first(config); checkspeak != NULL; checkspeak = speaker_output_next(checkspeak)) if (strcmp(config->sound[sndnum].route[routenum].target, checkspeak->tag) == 0) break; /* if we didn't find one, look for another sound chip with the tag */ if (checkspeak == NULL) { int check; for (check = 0; check < MAX_SOUND && config->sound[check].type != SOUND_DUMMY; check++) if (check != sndnum && config->sound[check].tag && strcmp(config->sound[check].tag, config->sound[sndnum].route[routenum].target) == 0) break; /* if we didn't find one, it's an error */ if (check >= MAX_SOUND || config->sound[check].type == SOUND_DUMMY) { mame_printf_error("%s: %s attempting to route sound to non-existant speaker '%s'\n", driver->source_file, driver->name, config->sound[sndnum].route[routenum].target); error = TRUE; } } } } return error; } /*------------------------------------------------- validate_devices - run per-device validity checks -------------------------------------------------*/ static int validate_devices(int drivnum, const machine_config *config) { int error = FALSE; const game_driver *driver = drivers[drivnum]; const device_config *device; for (device = device_list_first(config->devicelist, DEVICE_TYPE_WILDCARD); device != NULL; device = device_list_next(device, DEVICE_TYPE_WILDCARD)) { device_validity_check_func validity_check = (device_validity_check_func) device_get_info_fct(device, DEVINFO_FCT_VALIDITY_CHECK); /* validate the device tag */ error |= validate_tag(driver, device_get_info_string(device, DEVINFO_STR_NAME), device->tag); /* call the device-specific validity check */ if (validity_check != NULL && (*validity_check)(driver, device)) error = TRUE; } return error; } /*------------------------------------------------- mame_validitychecks - master validity checker -------------------------------------------------*/ int mame_validitychecks(const game_driver *curdriver) { osd_ticks_t prep = 0; osd_ticks_t expansion = 0; osd_ticks_t driver_checks = 0; osd_ticks_t rom_checks = 0; osd_ticks_t cpu_checks = 0; osd_ticks_t gfx_checks = 0; osd_ticks_t display_checks = 0; osd_ticks_t input_checks = 0; osd_ticks_t sound_checks = 0; osd_ticks_t device_checks = 0; #ifdef MESS osd_ticks_t mess_checks = 0; #endif int drivnum; int error = FALSE; UINT16 lsbtest; UINT8 a, b; /* basic system checks */ a = 0xff; b = a + 1; if (b > a) { mame_printf_error("UINT8 must be 8 bits\n"); error = TRUE; } if (sizeof(INT8) != 1) { mame_printf_error("INT8 must be 8 bits\n"); error = TRUE; } if (sizeof(UINT8) != 1) { mame_printf_error("UINT8 must be 8 bits\n"); error = TRUE; } if (sizeof(INT16) != 2) { mame_printf_error("INT16 must be 16 bits\n"); error = TRUE; } if (sizeof(UINT16) != 2) { mame_printf_error("UINT16 must be 16 bits\n"); error = TRUE; } if (sizeof(INT32) != 4) { mame_printf_error("INT32 must be 32 bits\n"); error = TRUE; } if (sizeof(UINT32) != 4) { mame_printf_error("UINT32 must be 32 bits\n"); error = TRUE; } if (sizeof(INT64) != 8) { mame_printf_error("INT64 must be 64 bits\n"); error = TRUE; } if (sizeof(UINT64) != 8) { mame_printf_error("UINT64 must be 64 bits\n"); error = TRUE; } #ifdef PTR64 if (sizeof(void *) != 8) { mame_printf_error("PTR64 flag enabled, but was compiled for 32-bit target\n"); error = TRUE; } #else if (sizeof(void *) != 4) { mame_printf_error("PTR64 flag not enabled, but was compiled for 64-bit target\n"); error = TRUE; } #endif lsbtest = 0; *(UINT8 *)&lsbtest = 0xff; #ifdef LSB_FIRST if (lsbtest == 0xff00) { mame_printf_error("LSB_FIRST specified, but running on a big-endian machine\n"); error = TRUE; } #else if (lsbtest == 0x00ff) { mame_printf_error("LSB_FIRST not specified, but running on a little-endian machine\n"); error = TRUE; } #endif /* validate inline function behavior */ error = validate_inlines() || error; /* make sure the CPU and sound interfaces are up and running */ cpuintrf_init(NULL); sndintrf_init(NULL); init_resource_tracking(); begin_resource_tracking(); osd_profiling_ticks(); /* prepare by pre-scanning all the drivers and adding their info to hash tables */ prep -= osd_profiling_ticks(); quark_tables_create(); prep += osd_profiling_ticks(); /* iterate over all drivers */ for (drivnum = 0; drivers[drivnum]; drivnum++) { const game_driver *driver = drivers[drivnum]; const input_port_config *portlist = NULL; machine_config *config; region_info rgninfo; int rgnnum; /* non-debug builds only care about games in the same driver */ if (curdriver != NULL && strcmp(curdriver->source_file, driver->source_file) != 0) continue; memset(&rgninfo, 0, sizeof(rgninfo)); /* expand the machine driver */ expansion -= osd_profiling_ticks(); config = machine_config_alloc(driver->machine_config); expansion += osd_profiling_ticks(); /* validate the driver entry */ driver_checks -= osd_profiling_ticks(); error = validate_driver(drivnum, config) || error; driver_checks += osd_profiling_ticks(); /* validate the ROM information */ rom_checks -= osd_profiling_ticks(); error = validate_roms(drivnum, config, &rgninfo) || error; rom_checks += osd_profiling_ticks(); /* validate input ports */ input_checks -= osd_profiling_ticks(); error = validate_inputs(drivnum, config, &portlist) || error; input_checks += osd_profiling_ticks(); /* validate the CPU information */ cpu_checks -= osd_profiling_ticks(); error = validate_cpu(drivnum, config, portlist, &rgninfo) || error; cpu_checks += osd_profiling_ticks(); /* validate the display */ display_checks -= osd_profiling_ticks(); error = validate_display(drivnum, config) || error; display_checks += osd_profiling_ticks(); /* validate the graphics decoding */ gfx_checks -= osd_profiling_ticks(); error = validate_gfx(drivnum, config, &rgninfo) || error; gfx_checks += osd_profiling_ticks(); /* validate sounds and speakers */ sound_checks -= osd_profiling_ticks(); error = validate_sound(drivnum, config) || error; sound_checks += osd_profiling_ticks(); /* validate devices */ device_checks -= osd_profiling_ticks(); error = validate_devices(drivnum, config) || error; device_checks += osd_profiling_ticks(); for (rgnnum = 0; rgnnum < ARRAY_LENGTH(rgninfo.entries); rgnnum++) if (rgninfo.entries[rgnnum].tag != NULL) astring_free(rgninfo.entries[rgnnum].tag); if (portlist != NULL) input_port_config_free(portlist); machine_config_free(config); } #ifdef MESS mess_checks -= osd_profiling_ticks(); if (mess_validitychecks()) error = TRUE; mess_checks += osd_profiling_ticks(); #endif /* MESS */ #if (REPORT_TIMES) mame_printf_info("Prep: %8dm\n", (int)(prep / 1000000)); mame_printf_info("Expansion: %8dm\n", (int)(expansion / 1000000)); mame_printf_info("Driver: %8dm\n", (int)(driver_checks / 1000000)); mame_printf_info("ROM: %8dm\n", (int)(rom_checks / 1000000)); mame_printf_info("CPU: %8dm\n", (int)(cpu_checks / 1000000)); mame_printf_info("Display: %8dm\n", (int)(display_checks / 1000000)); mame_printf_info("Graphics: %8dm\n", (int)(gfx_checks / 1000000)); mame_printf_info("Input: %8dm\n", (int)(input_checks / 1000000)); mame_printf_info("Sound: %8dm\n", (int)(sound_checks / 1000000)); #ifdef MESS mame_printf_info("MESS: %8dm\n", (int)(mess_checks / 1000000)); #endif #endif end_resource_tracking(); exit_resource_tracking(); return error; }