mame/src/emu/validity.c
Aaron Giles ec586731b9 Made device->tag and devconfig->tag into private member variables (m_tag).
Added inline tag() function to return a const char * version. Updated
callers to use this instead of directly accessing tag.cstr() which
was awkward.
2010-03-08 17:06:27 +00:00

1581 lines
56 KiB
C

/***************************************************************************
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 "emu.h"
#include "hash.h"
#include "validity.h"
#include <ctype.h>
/***************************************************************************
DEBUGGING
***************************************************************************/
#define REPORT_TIMES (0)
#define DETECT_OVERLAPPING_MEMORY (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
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
typedef tagmap_t<const game_driver *> game_driver_map;
typedef tagmap_t<FPTR> int_map;
class region_entry
{
public:
region_entry()
: length(0) { }
astring tag;
UINT32 length;
};
class region_array
{
public:
region_entry entries[256];
};
/***************************************************************************
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);
}
/*-------------------------------------------------
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;
/* some common names that are now deprecated */
if (strcmp(tag, "main") == 0 ||
strcmp(tag, "audio") == 0 ||
strcmp(tag, "sound") == 0 ||
strcmp(tag, "left") == 0 ||
strcmp(tag, "right") == 0)
{
mame_printf_error("%s: %s has invalid generic tag '%s'\n", driver->source_file, driver->name, tag);
error = TRUE;
}
for (p = tag; *p != 0; p++)
{
if (*p != tolower((UINT8)*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) < MIN_TAG_LENGTH)
{
mame_printf_error("%s: %s has %s with tag '%s' < %d characters\n", driver->source_file, driver->name, object, tag, MIN_TAG_LENGTH);
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;
}
/***************************************************************************
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, game_driver_map &names, game_driver_map &descriptions)
{
const game_driver *driver = drivers[drivnum];
const game_driver *clone_of;
const char *compatible_with;
const game_driver *other_drv;
int error = FALSE, is_clone;
const char *s;
enum { NAME_LEN_PARENT = 8, NAME_LEN_CLONE = 16 };
/* check for duplicate names */
if (names.add(driver->name, driver, FALSE) == TMERR_DUPLICATE)
{
const game_driver *match = names.find(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;
}
/* check for duplicate descriptions */
if (descriptions.add(driver->description, driver, FALSE) == TMERR_DUPLICATE)
{
const game_driver *match = descriptions.find(driver->description);
mame_printf_error("%s: %s is a duplicate description (%s, %s)\n", driver->source_file, driver->description, match->source_file, match->description);
error = TRUE;
}
/* determine the clone */
is_clone = strcmp(driver->parent, "0");
clone_of = driver_get_clone(driver);
if (clone_of && (clone_of->flags & GAME_IS_BIOS_ROOT))
is_clone = 0;
/* 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 && is_clone)
{
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 ((is_clone && strlen(driver->name) > NAME_LEN_CLONE) || ((!is_clone) && strlen(driver->name) > NAME_LEN_PARENT))
{
mame_printf_error("%s: %s %s driver name must be %d characters or less\n", driver->source_file, driver->name,
is_clone ? "clone" : "parent", is_clone ? NAME_LEN_CLONE : NAME_LEN_PARENT);
error = TRUE;
}
/* make sure the year is only digits, '?' or '+' */
for (s = driver->year; *s; s++)
if (!isdigit((UINT8)*s) && *s != '?' && *s != '+')
{
mame_printf_error("%s: %s has an invalid year '%s'\n", driver->source_file, driver->name, driver->year);
error = TRUE;
break;
}
/* normalize driver->compatible_with */
compatible_with = driver->compatible_with;
if ((compatible_with != NULL) && !strcmp(compatible_with, "0"))
compatible_with = NULL;
/* check for this driver being compatible with a non-existant driver */
if ((compatible_with != NULL) && (driver_get_name(driver->compatible_with) == NULL))
{
mame_printf_error("%s: is compatible with %s, which is not in drivers[]\n", driver->name, driver->compatible_with);
error = TRUE;
}
/* check for clone_of and compatible_with being specified at the same time */
if ((driver_get_clone(driver) != NULL) && (compatible_with != NULL))
{
mame_printf_error("%s: both compatible_with and clone_of are specified\n", driver->name);
error = TRUE;
}
/* find any recursive dependencies on the current driver */
for (other_drv = driver_get_compatible(driver); other_drv != NULL; other_drv = driver_get_compatible(other_drv))
{
if (driver == other_drv)
{
mame_printf_error("%s: recursive compatibility\n", driver->name);
error = TRUE;
break;
}
}
/* make sure sound-less drivers are flagged */
if ((driver->flags & GAME_IS_BIOS_ROOT) == 0 && sound_first(config) == NULL && (driver->flags & GAME_NO_SOUND) == 0 && (driver->flags & GAME_NO_SOUND_HW) == 0)
{
mame_printf_error("%s: %s missing GAME_NO_SOUND flag\n", driver->source_file, driver->name);
error = TRUE;
}
return error;
}
/*-------------------------------------------------
validate_roms - validate ROM definitions
-------------------------------------------------*/
static int validate_roms(int drivnum, const machine_config *config, region_array *rgninfo, game_driver_map &roms)
{
const game_driver *driver = drivers[drivnum];
int bios_flags = 0, last_bios = 0;
const char *last_rgnname = "???";
const char *last_name = "???";
region_entry *currgn = NULL;
int items_since_region = 1;
int error = FALSE;
/* check for duplicate ROM entries */
/*
if (driver->rom != NULL && (driver->flags & GAME_NO_STANDALONE) == 0)
{
char romaddr[20];
sprintf(romaddr, "%p", driver->rom);
if (roms.add(romaddr, driver, FALSE) == TMERR_DUPLICATE)
{
const game_driver *match = roms.find(romaddr);
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;
}
}
*/
/* iterate, starting with the driver's ROMs and continuing with device ROMs */
for (const rom_source *source = rom_first_source(driver, config); source != NULL; source = rom_next_source(driver, config, source))
{
/* scan the ROM entries */
for (const rom_entry *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 '%s' (warning)\n", driver->source_file, driver->name, last_rgnname);
items_since_region = (ROMREGION_ISERASE(romp) || ROMREGION_ISDISKDATA(romp)) ? 1 : 0;
currgn = NULL;
last_rgnname = regiontag;
/* 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;
int rgnnum;
/* iterate over all regions found so far */
rom_region_name(fulltag, driver, source, romp);
for (rgnnum = 0; rgnnum < ARRAY_LENGTH(rgninfo->entries); rgnnum++)
{
/* stop when we hit an empty */
if (rgninfo->entries[rgnnum].tag.len() == 0)
{
currgn = &rgninfo->entries[rgnnum];
currgn->tag.cpy(fulltag);
currgn->length = ROMREGION_GETLENGTH(romp);
break;
}
/* fail if we hit a duplicate */
if (fulltag.cmp(rgninfo->entries[rgnnum].tag) == 0)
{
mame_printf_error("%s: %s has duplicate ROM_REGION tag '%s'\n", driver->source_file, driver->name, fulltag.cstr());
error = TRUE;
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((UINT8)*s) != *s)
{
mame_printf_error("%s: %s has upper case ROM name %s\n", driver->source_file, driver->name, last_name);
error = TRUE;
break;
}
/* make sure the hash 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 game_driver *driver = drivers[drivnum];
cpu_validity_check_func cpu_validity_check;
const device_config *devconfig;
int error = FALSE;
/* loop over all the CPUs */
for (devconfig = cpu_first(config); devconfig != NULL; devconfig = cpu_next(devconfig))
{
const cpu_config *cpuconfig = (const cpu_config *)devconfig->inline_config;
/* check the CPU for incompleteness */
if (devconfig->get_config_fct(CPUINFO_FCT_RESET) == NULL ||
devconfig->get_config_fct(CPUINFO_FCT_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) devconfig->get_config_fct(CPUINFO_FCT_VALIDITY_CHECK);
if (cpu_validity_check != NULL && (*cpu_validity_check)(driver, devconfig->static_config))
error = TRUE;
/* validate the interrupts */
if (cpuconfig->vblank_interrupt != NULL)
{
if (video_screen_count(config) == 0)
{
mame_printf_error("%s: %s cpu '%s' has a VBLANK interrupt, but the driver is screenless !\n", driver->source_file, driver->name, devconfig->tag());
error = TRUE;
}
else if (cpuconfig->vblank_interrupt_screen != NULL && cpuconfig->vblank_interrupts_per_frame != 0)
{
mame_printf_error("%s: %s cpu '%s' has a new VBLANK interrupt handler with >1 interrupts!\n", driver->source_file, driver->name, devconfig->tag());
error = TRUE;
}
else if (cpuconfig->vblank_interrupt_screen != NULL && config->devicelist.find(cpuconfig->vblank_interrupt_screen) == NULL)
{
mame_printf_error("%s: %s cpu '%s' VBLANK interrupt with a non-existant screen tag (%s)!\n", driver->source_file, driver->name, devconfig->tag(), cpuconfig->vblank_interrupt_screen);
error = TRUE;
}
else if (cpuconfig->vblank_interrupt_screen == NULL && cpuconfig->vblank_interrupts_per_frame == 0)
{
mame_printf_error("%s: %s cpu '%s' has a VBLANK interrupt handler with 0 interrupts!\n", driver->source_file, driver->name, devconfig->tag());
error = TRUE;
}
}
else if (cpuconfig->vblank_interrupts_per_frame != 0)
{
mame_printf_error("%s: %s cpu '%s' has no VBLANK interrupt handler but a non-0 interrupt count is given!\n", driver->source_file, driver->name, devconfig->tag());
error = TRUE;
}
if (cpuconfig->timed_interrupt != NULL && cpuconfig->timed_interrupt_period == 0)
{
mame_printf_error("%s: %s cpu '%s' has a timer interrupt handler with 0 period!\n", driver->source_file, driver->name, devconfig->tag());
error = TRUE;
}
else if (cpuconfig->timed_interrupt == NULL && cpuconfig->timed_interrupt_period != 0)
{
mame_printf_error("%s: %s cpu '%s' has a no timer interrupt handler but has a non-0 period given!\n", driver->source_file, driver->name, devconfig->tag());
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 *devconfig;
int palette_modes = FALSE;
int error = FALSE;
/* loop over screens */
for (devconfig = video_screen_first(config); devconfig != NULL; devconfig = video_screen_next(devconfig))
{
const screen_config *scrconfig = (const screen_config *)devconfig->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, devconfig->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, devconfig->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, devconfig->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, devconfig->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_array *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 (rgninfo->entries[rgnnum].tag.cmp(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(int_map &defstr_map, const char *name, const game_driver *driver, int *error)
{
/* check for strings that should be DEF_STR */
int strindex = defstr_map.find(name);
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_map &defstr_map, 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(defstr_map, 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(defstr_map, 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, int_map &defstr_map, ioport_list &portlist)
{
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 */
input_port_list_init(portlist, driver->ipt, errorbuf, sizeof(errorbuf), FALSE);
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 = portlist.first(); 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 = portlist.first(); 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, defstr_map, &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(defstr_map, field->name, driver, &error);
}
/* verify conditions on the field */
if (field->condition.tag != NULL)
{
/* find a matching port */
for (scanport = portlist.first(); 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 = portlist.first(); 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;
}
}
}
error = error || validate_natural_keyboard_statics();
/* free the config */
return error;
}
/*-------------------------------------------------
validate_sound - validate sound and
speaker configuration
-------------------------------------------------*/
static int validate_sound(int drivnum, const machine_config *config)
{
const device_config *curspeak, *checkspeak, *cursound, *checksound;
const game_driver *driver = drivers[drivnum];
int error = FALSE;
/* make sure the speaker layout makes sense */
for (curspeak = speaker_output_first(config); curspeak != NULL; curspeak = speaker_output_next(curspeak))
{
/* 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 (checksound = sound_first(config); checksound != NULL; checksound = sound_next(checksound))
if (strcmp(curspeak->tag(), checksound->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 (cursound = sound_first(config); cursound != NULL; cursound = sound_next(cursound))
{
const sound_config *curconfig = (const sound_config *)cursound->inline_config;
const sound_route *route;
/* loop over all the routes */
for (route = curconfig->routelist; route != NULL; route = route->next)
{
/* find a speaker with the requested tag */
for (checkspeak = speaker_output_first(config); checkspeak != NULL; checkspeak = speaker_output_next(checkspeak))
if (strcmp(route->target, checkspeak->tag()) == 0)
break;
/* if we didn't find one, look for another sound chip with the tag */
if (checkspeak == NULL)
{
for (checksound = sound_first(config); checksound != NULL; checksound = sound_next(checksound))
if (checksound != cursound && strcmp(route->target, checksound->tag()) == 0)
break;
/* if we didn't find one, it's an error */
if (checksound == NULL)
{
mame_printf_error("%s: %s attempting to route sound to non-existant speaker '%s'\n", driver->source_file, driver->name, route->target);
error = TRUE;
}
}
}
}
return error;
}
/*-------------------------------------------------
validate_devices - run per-device validity
checks
-------------------------------------------------*/
static int validate_devices(int drivnum, const machine_config *config, const ioport_list &portlist, region_array *rgninfo)
{
int error = FALSE;
const game_driver *driver = drivers[drivnum];
for (const device_config *devconfig = config->devicelist.first(); devconfig != NULL; devconfig = devconfig->next)
{
device_validity_check_func validity_check = (device_validity_check_func) devconfig->get_config_fct(DEVINFO_FCT_VALIDITY_CHECK);
int detected_overlap = DETECT_OVERLAPPING_MEMORY ? FALSE : TRUE;
const device_config *scanconfig;
int spacenum;
/* validate the device tag */
error |= validate_tag(driver, devconfig->get_config_string(DEVINFO_STR_NAME), devconfig->tag());
/* look for duplicates */
for (scanconfig = config->devicelist.first(); scanconfig != devconfig; scanconfig = scanconfig->next)
if (strcmp(scanconfig->tag(), devconfig->tag()) == 0)
{
mame_printf_warning("%s: %s has multiple devices with the tag '%s'\n", driver->source_file, driver->name, devconfig->tag());
break;
}
/* call the device-specific validity check */
if (validity_check != NULL && (*validity_check)(driver, devconfig))
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 = devconfig->databus_width(spacenum);
int addr_shift = devconfig->addrbus_shift(spacenum);
int alignunit = databus_width/8;
address_map_entry *entry;
address_map *map;
/* construct the maps */
map = address_map_alloc(devconfig, driver, spacenum, NULL);
/* 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 device '%s' space %d has address space %d handlers!\n", driver->source_file, driver->name, devconfig->tag(), spacenum, map->spacenum);
error = TRUE;
}
if (map->databits != databus_width)
{
mame_printf_error("%s: %s device '%s' uses wrong memory handlers for %s space! (width = %d, memory = %08x)\n", driver->source_file, driver->name, devconfig->tag(), 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 overlapping entries */
if (!detected_overlap)
{
address_map_entry *scan;
for (scan = map->entrylist; scan != entry; scan = scan->next)
if (entry->addrstart <= scan->addrend && entry->addrend >= scan->addrstart &&
((entry->read.type != AMH_NONE && scan->read.type != AMH_NONE) ||
(entry->write.type != AMH_NONE && scan->write.type != AMH_NONE)))
{
mame_printf_warning("%s: %s '%s' %s space has overlapping memory (%X-%X,%d,%d) vs (%X-%X,%d,%d)\n", driver->source_file, driver->name, devconfig->tag(), address_space_names[spacenum], entry->addrstart, entry->addrend, entry->read.type, entry->write.type, scan->addrstart, scan->addrend, scan->read.type, scan->write.type);
detected_overlap = TRUE;
break;
}
}
/* 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 (entry->read.type == AMH_ROM && entry->region == NULL)
{
entry->region = devconfig->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 device '%s' %s space memory map entry %X-%X references non-existant region '%s'\n", driver->source_file, driver->name, devconfig->tag(), address_space_names[spacenum], entry->addrstart, entry->addrend, entry->region);
error = TRUE;
break;
}
/* if we hit a match, check against the length */
if (rgninfo->entries[rgnnum].tag.cmp(entry->region) == 0)
{
offs_t length = rgninfo->entries[rgnnum].length;
if (entry->rgnoffs + (byteend - bytestart + 1) > length)
{
mame_printf_error("%s: %s device '%s' %s space memory map entry %X-%X extends beyond region '%s' size (%X)\n", driver->source_file, driver->name, devconfig->tag(), address_space_names[spacenum], entry->addrstart, entry->addrend, entry->region, length);
error = TRUE;
}
break;
}
}
}
/* make sure all devices exist */
if ((entry->read.type == AMH_DEVICE_HANDLER && entry->read.tag != NULL && config->devicelist.find(entry->read.tag) == NULL) ||
(entry->write.type == AMH_DEVICE_HANDLER && entry->write.tag != NULL && config->devicelist.find(entry->write.tag) == NULL))
{
mame_printf_error("%s: %s device '%s' %s space memory map entry references nonexistant device '%s'\n", driver->source_file, driver->name, devconfig->tag(), address_space_names[spacenum], entry->write.tag);
error = TRUE;
}
/* make sure ports exist */
if ((entry->read.type == AMH_PORT && entry->read.tag != NULL && portlist.find(entry->read.tag) == NULL) ||
(entry->write.type == AMH_PORT && entry->write.tag != NULL && portlist.find(entry->write.tag) == NULL))
{
mame_printf_error("%s: %s device '%s' %s space memory map entry references nonexistant port tag '%s'\n", driver->source_file, driver->name, devconfig->tag(), address_space_names[spacenum], entry->read.tag);
error = TRUE;
}
/* validate bank and share tags */
if (entry->read.type == AMH_BANK)
error |= validate_tag(driver, "bank", entry->read.tag);
if (entry->write.type == AMH_BANK)
error |= validate_tag(driver, "bank", entry->write.tag);
if (entry->share != NULL)
error |= validate_tag(driver, "share", entry->share);
}
/* release the address map */
address_map_free(map);
}
}
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;
int drivnum, strnum;
int error = FALSE;
UINT16 lsbtest;
UINT8 a, b;
game_driver_map names;
game_driver_map descriptions;
game_driver_map roms;
int_map defstr;
/* 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;
get_profile_ticks();
/* pre-populate the defstr tagmap with all the default strings */
prep -= get_profile_ticks();
for (strnum = 1; strnum < INPUT_STRING_COUNT; strnum++)
{
const char *string = input_port_string_from_index(strnum);
if (string != NULL)
defstr.add(string, strnum, FALSE);
}
prep += get_profile_ticks();
/* iterate over all drivers */
for (drivnum = 0; drivers[drivnum]; drivnum++)
{
const game_driver *driver = drivers[drivnum];
ioport_list portlist;
machine_config *config;
region_array rgninfo;
/* non-debug builds only care about games in the same driver */
if (curdriver != NULL && strcmp(curdriver->source_file, driver->source_file) != 0)
continue;
/* expand the machine driver */
expansion -= get_profile_ticks();
config = machine_config_alloc(driver->machine_config);
expansion += get_profile_ticks();
/* validate the driver entry */
driver_checks -= get_profile_ticks();
error = validate_driver(drivnum, config, names, descriptions) || error;
driver_checks += get_profile_ticks();
/* validate the ROM information */
rom_checks -= get_profile_ticks();
error = validate_roms(drivnum, config, &rgninfo, roms) || error;
rom_checks += get_profile_ticks();
/* validate input ports */
input_checks -= get_profile_ticks();
error = validate_inputs(drivnum, config, defstr, portlist) || error;
input_checks += get_profile_ticks();
/* validate the CPU information */
cpu_checks -= get_profile_ticks();
error = validate_cpu(drivnum, config) || error;
cpu_checks += get_profile_ticks();
/* validate the display */
display_checks -= get_profile_ticks();
error = validate_display(drivnum, config) || error;
display_checks += get_profile_ticks();
/* validate the graphics decoding */
gfx_checks -= get_profile_ticks();
error = validate_gfx(drivnum, config, &rgninfo) || error;
gfx_checks += get_profile_ticks();
/* validate sounds and speakers */
sound_checks -= get_profile_ticks();
error = validate_sound(drivnum, config) || error;
sound_checks += get_profile_ticks();
/* validate devices */
device_checks -= get_profile_ticks();
error = validate_devices(drivnum, config, portlist, &rgninfo) || error;
device_checks += get_profile_ticks();
machine_config_free(config);
}
#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));
#endif
return error;
}