Exemplo n.º 1
0
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;
}
Exemplo n.º 2
0
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);
}