bool device_image_interface::load_software(software_list_device &swlist, const char *swname, const rom_entry *start)
{
astring locationtag, breakstr("%");
const rom_entry *region;
astring regiontag;
bool retVal = FALSE;
int warningcount = 0;
for (region = start; region != NULL; region = rom_next_region(region))
{
/* loop until we hit the end of this region */
const rom_entry *romp = region + 1;
while (!ROMENTRY_ISREGIONEND(romp))
{
/* handle files */
if (ROMENTRY_ISFILE(romp))
{
file_error filerr = FILERR_NOT_FOUND;
UINT32 crc = 0;
bool has_crc = hash_collection(ROM_GETHASHDATA(romp)).crc(crc);
software_info *swinfo = swlist.find(swname);
if (swinfo == NULL)
return false;
UINT32 supported = swinfo->supported();
if (supported == SOFTWARE_SUPPORTED_PARTIAL)
osd_printf_error("WARNING: support for software %s (in list %s) is only partial\n", swname, swlist.list_name());
if (supported == SOFTWARE_SUPPORTED_NO)
osd_printf_error("WARNING: 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 "
// below, we have the code to split the elements and to create paths to load from
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);
// check if locationtag actually contains two locations separated by '%'
// (i.e. check if we are dealing with a clone in softwarelist)
astring tag2, tag3, tag4(locationtag), tag5;
int separator = tag4.chr(0, '%');
if (separator != -1)
{
// we are loading a clone through softlists, split the setname from the parentname
tag5.cpysubstr(tag4, separator + 1, tag4.len() - separator + 1);
tag4.del(separator, tag4.len() - separator);
}
// prepare locations where we have to load from: list/parentname & list/clonename
astring tag1(swlist.list_name());
tag1.cat(PATH_SEPARATOR);
tag2.cpy(tag1.cat(tag4));
tag1.cpy(swlist.list_name());
tag1.cat(PATH_SEPARATOR);
tag3.cpy(tag1.cat(tag5));
if (tag5.chr(0, '%') != -1)
fatalerror("We do not support clones of clones!\n");
// try to load from the available location(s):
// - if we are not using lists, we have regiontag only;
// - if we are using lists, we have: list/clonename, list/parentname, clonename, parentname
// try to load from list/setname
if ((m_mame_file == NULL) && (tag2.cstr() != NULL))
filerr = common_process_file(device().machine().options(), tag2.cstr(), has_crc, crc, romp, &m_mame_file);
// try to load from list/parentname
if ((m_mame_file == NULL) && (tag3.cstr() != NULL))
filerr = common_process_file(device().machine().options(), tag3.cstr(), has_crc, crc, romp, &m_mame_file);
// try to load from setname
if ((m_mame_file == NULL) && (tag4.cstr() != NULL))
filerr = common_process_file(device().machine().options(), tag4.cstr(), has_crc, crc, romp, &m_mame_file);
// try to load from parentname
if ((m_mame_file == NULL) && (tag5.cstr() != NULL))
filerr = common_process_file(device().machine().options(), tag5.cstr(), has_crc, crc, romp, &m_mame_file);
warningcount += verify_length_and_hash(m_mame_file,ROM_GETNAME(romp),ROM_GETLENGTH(romp),hash_collection(ROM_GETHASHDATA(romp)));
if (filerr == FILERR_NONE)
{
m_file = *m_mame_file;
retVal = TRUE;
}
break; // load first item for start
}
romp++; /* something else; skip */
}
}
if (warningcount > 0)
{
osd_printf_error("WARNING: the software item might not run correctly.\n");
}
return retVal;
}
void rom_load_manager::load_software_part_region(device_t &device, software_list_device &swlist, const char *swname, const rom_entry *start_region)
{
std::string locationtag(swlist.list_name()), breakstr("%");
const rom_entry *region;
std::string regiontag;
m_errorstring.clear();
m_softwarningstring.clear();
m_romstotal = 0;
m_romstotalsize = 0;
m_romsloadedsize = 0;
software_info *swinfo = swlist.find(swname);
if (swinfo != nullptr)
{
UINT32 supported = swinfo->supported();
if (supported == SOFTWARE_SUPPORTED_PARTIAL)
{
m_errorstring.append(string_format("WARNING: support for software %s (in list %s) is only partial\n", swname, swlist.list_name()));
m_softwarningstring.append(string_format("Support for software %s (in list %s) is only partial\n", swname, swlist.list_name()));
}
if (supported == SOFTWARE_SUPPORTED_NO)
{
m_errorstring.append(string_format("WARNING: support for software %s (in list %s) is only preliminary\n", swname, swlist.list_name()));
m_softwarningstring.append(string_format("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 std::string in the format
// " swlist % clonename % parentname "
// open_rom_file contains the code to split the elements and to create paths to load from
locationtag.append(breakstr);
while (swinfo != nullptr)
{
locationtag.append(swinfo->shortname()).append(breakstr);
const char *parentname = swinfo->parentname();
swinfo = (parentname != nullptr) ? swlist.find(parentname) : nullptr;
}
// strip the final '%'
locationtag.erase(locationtag.length() - 1, 1);
}
/* loop until we hit the end */
for (region = start_region; region != nullptr; region = rom_next_region(region))
{
UINT32 regionlength = ROMREGION_GETLENGTH(region);
regiontag = device.subtag(ROMREGION_GETTAG(region));
LOG(("Processing region \"%s\" (length=%X)\n", regiontag.c_str(), 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 = machine().root_device().memregion(regiontag.c_str());
if (memregion != nullptr)
{
if (machine().device(regiontag.c_str()) != nullptr)
normalize_flags_for_device(machine(), regiontag.c_str(), width, endianness);
/* clear old region (todo: should be moved to an image unload function) */
machine().memory().region_free(memregion->name());
}
/* remember the base and length */
m_region = machine().memory().region_alloc(regiontag.c_str(), regionlength, width, endianness);
LOG(("Allocated %X bytes @ %p\n", m_region->bytes(), m_region->base()));
/* clear the region if it's requested */
if (ROMREGION_ISERASE(region))
memset(m_region->base(), ROMREGION_GETERASEVAL(region), m_region->bytes());
/* or if it's sufficiently small (<= 4MB) */
else if (m_region->bytes() <= 0x400000)
memset(m_region->base(), 0, m_region->bytes());
#ifdef MAME_DEBUG
/* if we're debugging, fill region with random data to catch errors */
else
fill_random(m_region->base(), m_region->bytes());
#endif
/* update total number of roms */
for (const rom_entry *rom = rom_first_file(region); rom != nullptr; rom = rom_next_file(rom))
{
m_romstotal++;
m_romstotalsize += rom_file_size(rom);
}
/* now process the entries in the region */
if (ROMREGION_ISROMDATA(region))
process_rom_entries(locationtag.c_str(), region, region + 1, &device, TRUE);
else if (ROMREGION_ISDISKDATA(region))
process_disk_entries(regiontag.c_str(), region, region + 1, locationtag.c_str());
}
/* now go back and post-process all the regions */
for (region = start_region; region != nullptr; region = rom_next_region(region))
{
regiontag = device.subtag(ROMREGION_GETTAG(region));
region_post_process(regiontag.c_str(), ROMREGION_ISINVERTED(region));
}
/* display the results and exit */
display_rom_load_results(TRUE);
}