rom_load_manager::rom_load_manager(running_machine &machine)
: m_machine(machine)
{
/* figure out which BIOS we are using */
device_iterator deviter(machine.config().root_device());
for (device_t *device = deviter.first(); device != nullptr; device = deviter.next()) {
if (device->rom_region()) {
std::string specbios;
if (device->owner() == nullptr) {
specbios.assign(machine.options().bios());
} else {
specbios = machine.options().sub_value(std::string(device->owner()->tag()).c_str()+1,"bios");
if (specbios.empty()) {
specbios = device->default_bios_tag();
}
}
determine_bios_rom(device, specbios.c_str());
}
}
/* count the total number of ROMs */
count_roms();
/* reset the disk list */
m_chd_list.clear();
/* process the ROM entries we were passed */
process_region_list();
/* display the results and exit */
display_rom_load_results(FALSE);
}
void rom_init(running_machine &machine)
{
rom_load_data *romdata;
/* allocate private data */
machine.romload_data = romdata = auto_alloc_clear(machine, romload_private);
/* make sure we get called back on the way out */
machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(rom_exit), &machine));
/* reset the romdata struct */
romdata->m_machine = &machine;
/* figure out which BIOS we are using */
determine_bios_rom(romdata);
/* count the total number of ROMs */
count_roms(romdata);
/* reset the disk list */
romdata->chd_list.reset();
/* process the ROM entries we were passed */
process_region_list(romdata);
/* display the results and exit */
display_rom_load_results(romdata);
}
void rom_init(running_machine &machine)
{
romload_private *romdata;
/* allocate private data */
machine.romload_data = romdata = auto_alloc_clear(machine, romload_private);
/* make sure we get called back on the way out */
machine.add_notifier(MACHINE_NOTIFY_EXIT, machine_notify_delegate(FUNC(rom_exit), &machine));
/* reset the romdata struct */
romdata->m_machine = &machine;
/* figure out which BIOS we are using */
device_iterator deviter(romdata->machine().config().root_device());
for (device_t *device = deviter.first(); device != NULL; device = deviter.next()) {
if (device->rom_region()) {
const char *specbios;
astring temp;
if (strcmp(device->tag(),":")==0) {
specbios = romdata->machine().options().bios();
} else {
specbios = romdata->machine().options().sub_value(temp,device->owner()->tag()+1,"bios");
if (strlen(specbios) == 0) {
specbios = device->default_bios_tag().cstr();
}
}
determine_bios_rom(romdata, device, specbios);
}
}
/* count the total number of ROMs */
count_roms(romdata);
/* reset the disk list */
romdata->chd_list.reset();
/* process the ROM entries we were passed */
process_region_list(romdata);
/* display the results and exit */
display_rom_load_results(romdata, FALSE);
}
void load_software_part_region(device_t &device, software_list_device &swlist, const char *swname, const rom_entry *start_region)
{
astring locationtag(swlist.list_name()), breakstr("%");
romload_private *romdata = device.machine().romload_data;
const rom_entry *region;
astring regiontag;
romdata->errorstring.reset();
romdata->softwarningstring.reset();
romdata->romstotal = 0;
romdata->romstotalsize = 0;
romdata->romsloadedsize = 0;
software_info *swinfo = swlist.find(swname);
if (swinfo != NULL)
{
UINT32 supported = swinfo->supported();
if (supported == SOFTWARE_SUPPORTED_PARTIAL)
{
romdata->errorstring.catprintf("WARNING: support for software %s (in list %s) is only partial\n", swname, swlist.list_name());
romdata->softwarningstring.catprintf("Support for software %s (in list %s) is only partial\n", swname, swlist.list_name());
}
if (supported == SOFTWARE_SUPPORTED_NO)
{
romdata->errorstring.catprintf("WARNING: support for software %s (in list %s) is only preliminary\n", swname, swlist.list_name());
romdata->softwarningstring.catprintf("Support for software %s (in list %s) is only preliminary\n", swname, swlist.list_name());
}
// attempt reading up the chain through the parents and create a locationtag astring in the format
// " swlist % clonename % parentname "
// open_rom_file contains the code to split the elements and to create paths to load from
locationtag.cat(breakstr);
while (swinfo != NULL)
{
locationtag.cat(swinfo->shortname()).cat(breakstr);
const char *parentname = swinfo->parentname();
swinfo = (parentname != NULL) ? swlist.find(parentname) : NULL;
}
// strip the final '%'
locationtag.del(locationtag.len() - 1, 1);
}
/* loop until we hit the end */
for (region = start_region; region != NULL; region = rom_next_region(region))
{
UINT32 regionlength = ROMREGION_GETLENGTH(region);
device.subtag(regiontag, ROMREGION_GETTAG(region));
LOG(("Processing region \"%s\" (length=%X)\n", regiontag.cstr(), regionlength));
/* the first entry must be a region */
assert(ROMENTRY_ISREGION(region));
/* if this is a device region, override with the device width and endianness */
endianness_t endianness = ROMREGION_ISBIGENDIAN(region) ? ENDIANNESS_BIG : ENDIANNESS_LITTLE;
UINT8 width = ROMREGION_GETWIDTH(region) / 8;
memory_region *memregion = romdata->machine().root_device().memregion(regiontag);
if (memregion != NULL)
{
if (romdata->machine().device(regiontag) != NULL)
normalize_flags_for_device(romdata->machine(), regiontag, width, endianness);
/* clear old region (todo: should be moved to an image unload function) */
romdata->machine().memory().region_free(memregion->name());
}
/* remember the base and length */
romdata->region = romdata->machine().memory().region_alloc(regiontag, regionlength, width, endianness);
LOG(("Allocated %X bytes @ %p\n", romdata->region->bytes(), romdata->region->base()));
/* clear the region if it's requested */
if (ROMREGION_ISERASE(region))
memset(romdata->region->base(), ROMREGION_GETERASEVAL(region), romdata->region->bytes());
/* or if it's sufficiently small (<= 4MB) */
else if (romdata->region->bytes() <= 0x400000)
memset(romdata->region->base(), 0, romdata->region->bytes());
#ifdef MAME_DEBUG
/* if we're debugging, fill region with random data to catch errors */
else
fill_random(romdata->machine(), romdata->region->base(), romdata->region->bytes());
#endif
/* update total number of roms */
for (const rom_entry *rom = rom_first_file(region); rom != NULL; rom = rom_next_file(rom))
{
romdata->romstotal++;
romdata->romstotalsize += rom_file_size(rom);
}
/* now process the entries in the region */
if (ROMREGION_ISROMDATA(region))
process_rom_entries(romdata, locationtag, region, region + 1, &device, TRUE);
else if (ROMREGION_ISDISKDATA(region))
process_disk_entries(romdata, core_strdup(regiontag.cstr()), region, region + 1, locationtag);
}
/* now go back and post-process all the regions */
for (region = start_region; region != NULL; region = rom_next_region(region))
{
device.subtag(regiontag, ROMREGION_GETTAG(region));
region_post_process(romdata, regiontag.cstr(), ROMREGION_ISINVERTED(region));
}
/* display the results and exit */
display_rom_load_results(romdata, TRUE);
}
int rom_load(const struct RomModule *romp)
{
const struct RomModule *regionlist[REGION_MAX];
const struct RomModule *region;
static struct rom_load_data romdata;
int regnum;
/* reset the region list */
for (regnum = 0;regnum < REGION_MAX;regnum++)
regionlist[regnum] = NULL;
/* reset the romdata struct */
memset(&romdata, 0, sizeof(romdata));
romdata.romstotal = count_roms(romp);
/* reset the disk list */
memset(disk_handle, 0, sizeof(disk_handle));
/* determine the correct biosset to load based on options.bios string */
system_bios = determine_bios_rom(Machine->gamedrv->bios);
/* loop until we hit the end */
for (region = romp, regnum = 0; region; region = rom_next_region(region), regnum++)
{
int regiontype = ROMREGION_GETTYPE(region);
debugload("Processing region %02X (length=%X)\n", regiontype, ROMREGION_GETLENGTH(region));
/* the first entry must be a region */
if (!ROMENTRY_ISREGION(region))
{
printf("Error: missing ROM_REGION header\n");
return 1;
}
/* if sound is disabled and it's a sound-only region, skip it */
if (Machine->sample_rate == 0 && ROMREGION_ISSOUNDONLY(region))
continue;
/* allocate memory for the region */
if (new_memory_region(regiontype, ROMREGION_GETLENGTH(region), ROMREGION_GETFLAGS(region)))
{
printf("Error: unable to allocate memory for region %d\n", regiontype);
return 1;
}
/* remember the base and length */
romdata.regionlength = memory_region_length(regiontype);
romdata.regionbase = memory_region(regiontype);
debugload("Allocated %X bytes @ %08X\n", romdata.regionlength, (int)romdata.regionbase);
/* clear the region if it's requested */
if (ROMREGION_ISERASE(region))
memset(romdata.regionbase, ROMREGION_GETERASEVAL(region), romdata.regionlength);
/* or if it's sufficiently small (<= 4MB) */
else if (romdata.regionlength <= 0x400000)
memset(romdata.regionbase, 0, romdata.regionlength);
#ifdef MAME_DEBUG
/* if we're debugging, fill region with random data to catch errors */
else
fill_random(romdata.regionbase, romdata.regionlength);
#endif
/* now process the entries in the region */
if (ROMREGION_ISROMDATA(region))
{
if (!process_rom_entries(&romdata, region + 1))
return 1;
}
else if (ROMREGION_ISDISKDATA(region))
{
if (!process_disk_entries(&romdata, region + 1))
return 1;
}
/* add this region to the list */
if (regiontype < REGION_MAX)
regionlist[regiontype] = region;
}
/* post-process the regions */
for (regnum = 0; regnum < REGION_MAX; regnum++)
if (regionlist[regnum])
{
debugload("Post-processing region %02X\n", regnum);
romdata.regionlength = memory_region_length(regnum);
romdata.regionbase = memory_region(regnum);
region_post_process(&romdata, regionlist[regnum]);
}
/* display the results and exit */
return display_rom_load_results(&romdata);
}
void rom_init(running_machine *machine, const rom_entry *romp)
{
const rom_entry *regionlist[REGION_MAX];
const rom_entry *region;
static rom_load_data romdata;
int regnum;
/* if no roms, bail */
if (romp == NULL)
return;
/* make sure we get called back on the way out */
add_exit_callback(machine, rom_exit);
/* reset the region list */
memset((void *)regionlist, 0, sizeof(regionlist));
/* reset the romdata struct */
memset(&romdata, 0, sizeof(romdata));
romdata.romstotal = count_roms(romp);
/* reset the disk list */
memset(disk_handle, 0, sizeof(disk_handle));
/* determine the correct biosset to load based on options.bios string */
system_bios = determine_bios_rom(Machine->gamedrv->bios);
/* loop until we hit the end */
for (region = romp, regnum = 0; region; region = rom_next_region(region), regnum++)
{
int regiontype = ROMREGION_GETTYPE(region);
debugload("Processing region %02X (length=%X)\n", regiontype, ROMREGION_GETLENGTH(region));
/* the first entry must be a region */
assert(ROMENTRY_ISREGION(region));
/* remember the base and length */
romdata.regionbase = new_memory_region(machine, regiontype, ROMREGION_GETLENGTH(region), ROMREGION_GETFLAGS(region));
romdata.regionlength = ROMREGION_GETLENGTH(region);
debugload("Allocated %X bytes @ %08X\n", romdata.regionlength, (int)romdata.regionbase);
/* clear the region if it's requested */
if (ROMREGION_ISERASE(region))
memset(romdata.regionbase, ROMREGION_GETERASEVAL(region), romdata.regionlength);
/* or if it's sufficiently small (<= 4MB) */
else if (romdata.regionlength <= 0x400000)
memset(romdata.regionbase, 0, romdata.regionlength);
#ifdef MAME_DEBUG
/* if we're debugging, fill region with random data to catch errors */
else
fill_random(romdata.regionbase, romdata.regionlength);
#endif
/* now process the entries in the region */
if (ROMREGION_ISROMDATA(region))
process_rom_entries(&romdata, region + 1);
else if (ROMREGION_ISDISKDATA(region))
process_disk_entries(&romdata, region + 1);
/* add this region to the list */
if (regiontype < REGION_MAX)
regionlist[regiontype] = region;
}
/* post-process the regions */
for (regnum = 0; regnum < REGION_MAX; regnum++)
if (regionlist[regnum])
{
debugload("Post-processing region %02X\n", regnum);
romdata.regionlength = memory_region_length(regnum);
romdata.regionbase = memory_region(regnum);
region_post_process(&romdata, regionlist[regnum]);
}
/* display the results and exit */
total_rom_load_warnings = romdata.warnings;
display_rom_load_results(&romdata);
}
