mirror of
https://github.com/holub/mame
synced 2025-05-06 14:25:54 +03:00
b49b23b7df
(out of whatsnew: also fixed irq 0 hookup, using device_timer to ack an irq for MAME is never a good idea)
1489 lines
47 KiB
C++
1489 lines
47 KiB
C++
// license:BSD-3-Clause
|
|
// copyright-holders:Nicola Salmoria,Paul Priest,Aaron Giles
|
|
/*********************************************************************
|
|
|
|
romload.c
|
|
|
|
ROM loading functions.
|
|
*********************************************************************/
|
|
|
|
#include "emu.h"
|
|
#include "emuopts.h"
|
|
#include "drivenum.h"
|
|
#include "softlist.h"
|
|
#include "ui/uimain.h"
|
|
|
|
|
|
#define LOG_LOAD 0
|
|
#define LOG(x) do { if (LOG_LOAD) debugload x; } while(0)
|
|
|
|
|
|
/***************************************************************************
|
|
CONSTANTS
|
|
***************************************************************************/
|
|
|
|
#define TEMPBUFFER_MAX_SIZE (1024 * 1024 * 1024)
|
|
|
|
/***************************************************************************
|
|
HELPERS (also used by diimage.cpp)
|
|
***************************************************************************/
|
|
|
|
static osd_file::error common_process_file(emu_options &options, const char *location, const char *ext, const rom_entry *romp, emu_file &image_file)
|
|
{
|
|
osd_file::error filerr;
|
|
|
|
if (location != nullptr && strcmp(location, "") != 0)
|
|
filerr = image_file.open(location, PATH_SEPARATOR, ROM_GETNAME(romp), ext);
|
|
else
|
|
filerr = image_file.open(ROM_GETNAME(romp), ext);
|
|
|
|
return filerr;
|
|
}
|
|
|
|
std::unique_ptr<emu_file> common_process_file(emu_options &options, const char *location, bool has_crc, UINT32 crc, const rom_entry *romp, osd_file::error &filerr)
|
|
{
|
|
auto image_file = std::make_unique<emu_file>(options.media_path(), OPEN_FLAG_READ);
|
|
|
|
if (has_crc)
|
|
filerr = image_file->open(location, PATH_SEPARATOR, ROM_GETNAME(romp), crc);
|
|
else
|
|
filerr = image_file->open(location, PATH_SEPARATOR, ROM_GETNAME(romp));
|
|
|
|
if (filerr != osd_file::error::NONE)
|
|
{
|
|
image_file = nullptr;
|
|
}
|
|
return image_file;
|
|
}
|
|
|
|
/***************************************************************************
|
|
ROM LOADING
|
|
***************************************************************************/
|
|
|
|
/*-------------------------------------------------
|
|
rom_first_region - return pointer to first ROM
|
|
region
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_first_region(const device_t &device)
|
|
{
|
|
const rom_entry *romp = device.rom_region();
|
|
while (romp && ROMENTRY_ISPARAMETER(romp))
|
|
romp++;
|
|
return (romp != nullptr && !ROMENTRY_ISEND(romp)) ? romp : nullptr;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_next_region - return pointer to next ROM
|
|
region
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_next_region(const rom_entry *romp)
|
|
{
|
|
romp++;
|
|
while (!ROMENTRY_ISREGIONEND(romp))
|
|
romp++;
|
|
while (ROMENTRY_ISPARAMETER(romp))
|
|
romp++;
|
|
return ROMENTRY_ISEND(romp) ? nullptr : romp;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_first_file - return pointer to first ROM
|
|
file
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_first_file(const rom_entry *romp)
|
|
{
|
|
romp++;
|
|
while (!ROMENTRY_ISFILE(romp) && !ROMENTRY_ISREGIONEND(romp))
|
|
romp++;
|
|
return ROMENTRY_ISREGIONEND(romp) ? nullptr : romp;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_next_file - return pointer to next ROM
|
|
file
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_next_file(const rom_entry *romp)
|
|
{
|
|
romp++;
|
|
while (!ROMENTRY_ISFILE(romp) && !ROMENTRY_ISREGIONEND(romp))
|
|
romp++;
|
|
return ROMENTRY_ISREGIONEND(romp) ? nullptr : romp;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_first_parameter - return pointer to the first
|
|
per-game parameter
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_first_parameter(const device_t &device)
|
|
{
|
|
const rom_entry *romp = device.rom_region();
|
|
while (romp && !ROMENTRY_ISEND(romp) && !ROMENTRY_ISPARAMETER(romp))
|
|
romp++;
|
|
return (romp != nullptr && !ROMENTRY_ISEND(romp)) ? romp : nullptr;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_next_parameter - return pointer to the next
|
|
per-game parameter
|
|
-------------------------------------------------*/
|
|
|
|
const rom_entry *rom_next_parameter(const rom_entry *romp)
|
|
{
|
|
romp++;
|
|
while (!ROMENTRY_ISREGIONEND(romp) && !ROMENTRY_ISPARAMETER(romp))
|
|
romp++;
|
|
return ROMENTRY_ISEND(romp) ? nullptr : romp;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_region_name - return the appropriate name
|
|
for a rom region
|
|
-------------------------------------------------*/
|
|
|
|
std::string rom_region_name(const device_t &device, const rom_entry *romp)
|
|
{
|
|
return device.subtag(ROM_GETNAME(romp));
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_parameter_name - return the appropriate name
|
|
for a per-game parameter
|
|
-------------------------------------------------*/
|
|
|
|
std::string rom_parameter_name(const device_t &device, const rom_entry *romp)
|
|
{
|
|
return device.subtag(romp->_name);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_parameter_name - return the value for a
|
|
per-game parameter
|
|
-------------------------------------------------*/
|
|
|
|
std::string rom_parameter_value(const rom_entry *romp)
|
|
{
|
|
return std::string(romp->_hashdata);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_file_size - return the expected size of a
|
|
file given the ROM description
|
|
-------------------------------------------------*/
|
|
|
|
UINT32 rom_file_size(const rom_entry *romp)
|
|
{
|
|
UINT32 maxlength = 0;
|
|
|
|
/* loop until we run out of reloads */
|
|
do
|
|
{
|
|
UINT32 curlength;
|
|
|
|
/* loop until we run out of continues/ignores */
|
|
curlength = ROM_GETLENGTH(romp++);
|
|
while (ROMENTRY_ISCONTINUE(romp) || ROMENTRY_ISIGNORE(romp))
|
|
curlength += ROM_GETLENGTH(romp++);
|
|
|
|
/* track the maximum length */
|
|
maxlength = MAX(maxlength, curlength);
|
|
}
|
|
while (ROMENTRY_ISRELOAD(romp));
|
|
|
|
return maxlength;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
debugload - log data to a file
|
|
-------------------------------------------------*/
|
|
|
|
static void CLIB_DECL ATTR_PRINTF(1,2) debugload(const char *string, ...)
|
|
{
|
|
static int opened;
|
|
va_list arg;
|
|
FILE *f;
|
|
|
|
f = fopen("romload.log", opened++ ? "a" : "w");
|
|
if (f)
|
|
{
|
|
va_start(arg, string);
|
|
vfprintf(f, string, arg);
|
|
va_end(arg);
|
|
fclose(f);
|
|
}
|
|
}
|
|
|
|
|
|
/***************************************************************************
|
|
HARD DISK HANDLING
|
|
***************************************************************************/
|
|
|
|
/*-------------------------------------------------
|
|
get_disk_handle - return a pointer to the
|
|
CHD file associated with the given region
|
|
-------------------------------------------------*/
|
|
|
|
chd_file *rom_load_manager::get_disk_handle(const char *region)
|
|
{
|
|
for (auto &curdisk : m_chd_list)
|
|
if (strcmp(curdisk->region(), region) == 0)
|
|
return &curdisk->chd();
|
|
return nullptr;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
set_disk_handle - set a pointer to the CHD
|
|
file associated with the given region
|
|
-------------------------------------------------*/
|
|
|
|
int rom_load_manager::set_disk_handle(const char *region, const char *fullpath)
|
|
{
|
|
auto chd = std::make_unique<open_chd>(region);
|
|
auto err = chd->orig_chd().open(fullpath);
|
|
if (err == CHDERR_NONE)
|
|
m_chd_list.push_back(std::move(chd));
|
|
return err;
|
|
}
|
|
|
|
/*-------------------------------------------------
|
|
determine_bios_rom - determine system_bios
|
|
from SystemBios structure and OPTION_BIOS
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::determine_bios_rom(device_t &device, const char *specbios)
|
|
{
|
|
const char *defaultname = nullptr;
|
|
const rom_entry *rom;
|
|
int default_no = 1;
|
|
int bios_count = 0;
|
|
|
|
device.set_system_bios(0);
|
|
|
|
/* first determine the default BIOS name */
|
|
for (rom = device.rom_region(); !ROMENTRY_ISEND(rom); rom++)
|
|
if (ROMENTRY_ISDEFAULT_BIOS(rom))
|
|
defaultname = ROM_GETNAME(rom);
|
|
|
|
/* look for a BIOS with a matching name */
|
|
for (rom = device.rom_region(); !ROMENTRY_ISEND(rom); rom++)
|
|
if (ROMENTRY_ISSYSTEM_BIOS(rom))
|
|
{
|
|
const char *biosname = ROM_GETNAME(rom);
|
|
int bios_flags = ROM_GETBIOSFLAGS(rom);
|
|
char bios_number[20];
|
|
|
|
/* Allow '-bios n' to still be used */
|
|
sprintf(bios_number, "%d", bios_flags - 1);
|
|
if (core_stricmp(bios_number, specbios) == 0 || core_stricmp(biosname, specbios) == 0)
|
|
device.set_system_bios(bios_flags);
|
|
if (defaultname != nullptr && core_stricmp(biosname, defaultname) == 0)
|
|
default_no = bios_flags;
|
|
bios_count++;
|
|
}
|
|
|
|
/* if none found, use the default */
|
|
if (device.system_bios() == 0 && bios_count > 0)
|
|
{
|
|
/* if we got neither an empty string nor 'default' then warn the user */
|
|
if (specbios[0] != 0 && strcmp(specbios, "default") != 0)
|
|
{
|
|
m_errorstring.append(string_format("%s: invalid bios, reverting to default\n", specbios));
|
|
m_warnings++;
|
|
}
|
|
|
|
/* set to default */
|
|
device.set_system_bios(default_no);
|
|
}
|
|
device.set_default_bios(default_no);
|
|
LOG(("For \"%s\" using System BIOS: %d\n", device.tag(), device.system_bios()));
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
count_roms - counts the total number of ROMs
|
|
that will need to be loaded
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::count_roms()
|
|
{
|
|
const rom_entry *region, *rom;
|
|
|
|
/* start with 0 */
|
|
m_romstotal = 0;
|
|
m_romstotalsize = 0;
|
|
|
|
/* loop over regions, then over files */
|
|
for (device_t &device : device_iterator(machine().config().root_device()))
|
|
for (region = rom_first_region(device); region != nullptr; region = rom_next_region(region))
|
|
for (rom = rom_first_file(region); rom != nullptr; rom = rom_next_file(rom))
|
|
if (ROM_GETBIOSFLAGS(rom) == 0 || ROM_GETBIOSFLAGS(rom) == device.system_bios())
|
|
{
|
|
m_romstotal++;
|
|
m_romstotalsize += rom_file_size(rom);
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
fill_random - fills an area of memory with
|
|
random data
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::fill_random(UINT8 *base, UINT32 length)
|
|
{
|
|
while (length--)
|
|
*base++ = machine().rand();
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
handle_missing_file - handles error generation
|
|
for missing files
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::handle_missing_file(const rom_entry *romp, std::string tried_file_names, chd_error chderr)
|
|
{
|
|
if(tried_file_names.length() != 0)
|
|
tried_file_names = " (tried in " + tried_file_names + ")";
|
|
|
|
std::string name(ROM_GETNAME(romp));
|
|
|
|
bool is_chd = (chderr != CHDERR_NONE);
|
|
if (is_chd)
|
|
name += ".chd";
|
|
|
|
bool is_chd_error = (is_chd && chderr != CHDERR_FILE_NOT_FOUND);
|
|
if (is_chd_error)
|
|
m_errorstring.append(string_format("%s CHD ERROR: %s\n", name.c_str(), chd_file::error_string(chderr)));
|
|
|
|
/* optional files are okay */
|
|
if (ROM_ISOPTIONAL(romp))
|
|
{
|
|
if (!is_chd_error)
|
|
m_errorstring.append(string_format("OPTIONAL %s NOT FOUND%s\n", name.c_str(), tried_file_names.c_str()));
|
|
m_warnings++;
|
|
}
|
|
|
|
/* no good dumps are okay */
|
|
else if (hash_collection(ROM_GETHASHDATA(romp)).flag(hash_collection::FLAG_NO_DUMP))
|
|
{
|
|
if (!is_chd_error)
|
|
m_errorstring.append(string_format("%s NOT FOUND (NO GOOD DUMP KNOWN)%s\n", name, tried_file_names));
|
|
m_knownbad++;
|
|
}
|
|
|
|
/* anything else is bad */
|
|
else
|
|
{
|
|
if (!is_chd_error)
|
|
m_errorstring.append(string_format("%s NOT FOUND%s\n", name.c_str(), tried_file_names));
|
|
m_errors++;
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
dump_wrong_and_correct_checksums - dump an
|
|
error message containing the wrong and the
|
|
correct checksums for a given ROM
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::dump_wrong_and_correct_checksums(const hash_collection &hashes, const hash_collection &acthashes)
|
|
{
|
|
m_errorstring.append(string_format(" EXPECTED: %s\n", hashes.macro_string().c_str()));
|
|
m_errorstring.append(string_format(" FOUND: %s\n", acthashes.macro_string().c_str()));
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
verify_length_and_hash - verify the length
|
|
and hash signatures of a file
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::verify_length_and_hash(const char *name, UINT32 explength, const hash_collection &hashes)
|
|
{
|
|
/* we've already complained if there is no file */
|
|
if (m_file == nullptr)
|
|
return;
|
|
|
|
/* verify length */
|
|
UINT32 actlength = m_file->size();
|
|
if (explength != actlength)
|
|
{
|
|
m_errorstring.append(string_format("%s WRONG LENGTH (expected: %08x found: %08x)\n", name, explength, actlength));
|
|
m_warnings++;
|
|
}
|
|
|
|
/* If there is no good dump known, write it */
|
|
hash_collection &acthashes = m_file->hashes(hashes.hash_types().c_str());
|
|
if (hashes.flag(hash_collection::FLAG_NO_DUMP))
|
|
{
|
|
m_errorstring.append(string_format("%s NO GOOD DUMP KNOWN\n", name));
|
|
m_knownbad++;
|
|
}
|
|
/* verify checksums */
|
|
else if (hashes != acthashes)
|
|
{
|
|
/* otherwise, it's just bad */
|
|
m_errorstring.append(string_format("%s WRONG CHECKSUMS:\n", name));
|
|
dump_wrong_and_correct_checksums(hashes, acthashes);
|
|
m_warnings++;
|
|
}
|
|
/* If it matches, but it is actually a bad dump, write it */
|
|
else if (hashes.flag(hash_collection::FLAG_BAD_DUMP))
|
|
{
|
|
m_errorstring.append(string_format("%s ROM NEEDS REDUMP\n", name));
|
|
m_knownbad++;
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
display_loading_rom_message - display
|
|
messages about ROM loading to the user
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::display_loading_rom_message(const char *name, bool from_list)
|
|
{
|
|
char buffer[200];
|
|
|
|
if (name != nullptr)
|
|
sprintf(buffer, "%s (%d%%)", from_list ? "Loading Software" : "Loading Machine", (UINT32)(100 * (UINT64)m_romsloadedsize / (UINT64)m_romstotalsize));
|
|
else
|
|
sprintf(buffer, "Loading Complete");
|
|
|
|
if (!machine().ui().is_menu_active())
|
|
machine().ui().set_startup_text(buffer, false);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
display_rom_load_results - display the final
|
|
results of ROM loading
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::display_rom_load_results(bool from_list)
|
|
{
|
|
/* final status display */
|
|
display_loading_rom_message(nullptr, from_list);
|
|
|
|
/* if we had errors, they are fatal */
|
|
if (m_errors != 0)
|
|
{
|
|
/* create the error message and exit fatally */
|
|
osd_printf_error("%s", m_errorstring.c_str());
|
|
fatalerror_exitcode(machine(), EMU_ERR_MISSING_FILES, "Required files are missing, the machine cannot be run.");
|
|
}
|
|
|
|
/* if we had warnings, output them, but continue */
|
|
if ((m_warnings) || (m_knownbad))
|
|
{
|
|
m_errorstring.append("WARNING: the machine might not run correctly.");
|
|
osd_printf_warning("%s\n", m_errorstring.c_str());
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
region_post_process - post-process a region,
|
|
byte swapping and inverting data as necessary
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::region_post_process(const char *rgntag, bool invert)
|
|
{
|
|
memory_region *region = machine().root_device().memregion(rgntag);
|
|
UINT8 *base;
|
|
int i, j;
|
|
|
|
// do nothing if no region
|
|
if (region == nullptr)
|
|
return;
|
|
|
|
LOG(("+ datawidth=%dbit endian=%s\n", region->bitwidth(),
|
|
region->endianness() == ENDIANNESS_LITTLE ? "little" : "big"));
|
|
|
|
/* if the region is inverted, do that now */
|
|
if (invert)
|
|
{
|
|
LOG(("+ Inverting region\n"));
|
|
for (i = 0, base = region->base(); i < region->bytes(); i++)
|
|
*base++ ^= 0xff;
|
|
}
|
|
|
|
/* swap the endianness if we need to */
|
|
if (region->bytewidth() > 1 && region->endianness() != ENDIANNESS_NATIVE)
|
|
{
|
|
LOG(("+ Byte swapping region\n"));
|
|
int datawidth = region->bytewidth();
|
|
for (i = 0, base = region->base(); i < region->bytes(); i += datawidth)
|
|
{
|
|
UINT8 temp[8];
|
|
memcpy(temp, base, datawidth);
|
|
for (j = datawidth - 1; j >= 0; j--)
|
|
*base++ = temp[j];
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
open_rom_file - open a ROM file, searching
|
|
up the parent and loading by checksum
|
|
-------------------------------------------------*/
|
|
|
|
int rom_load_manager::open_rom_file(const char *regiontag, const rom_entry *romp, std::string &tried_file_names, bool from_list)
|
|
{
|
|
osd_file::error filerr = osd_file::error::NOT_FOUND;
|
|
UINT32 romsize = rom_file_size(romp);
|
|
tried_file_names = "";
|
|
|
|
/* update status display */
|
|
display_loading_rom_message(ROM_GETNAME(romp), from_list);
|
|
|
|
/* extract CRC to use for searching */
|
|
UINT32 crc = 0;
|
|
bool has_crc = hash_collection(ROM_GETHASHDATA(romp)).crc(crc);
|
|
|
|
/* attempt reading up the chain through the parents. It automatically also
|
|
attempts any kind of load by checksum supported by the archives. */
|
|
m_file = nullptr;
|
|
for (int drv = driver_list::find(machine().system()); m_file == nullptr && drv != -1; drv = driver_list::clone(drv)) {
|
|
if (tried_file_names.length() != 0)
|
|
tried_file_names += " ";
|
|
tried_file_names += driver_list::driver(drv).name;
|
|
m_file = common_process_file(machine().options(), driver_list::driver(drv).name, has_crc, crc, romp, filerr);
|
|
}
|
|
|
|
/* if the region is load by name, load the ROM from there */
|
|
if (m_file == nullptr && regiontag != nullptr)
|
|
{
|
|
// check if we are dealing with softwarelists. if so, locationtag
|
|
// is actually a concatenation of: listname + setname + parentname
|
|
// separated by '%' (parentname being present only for clones)
|
|
std::string tag1(regiontag), tag2, tag3, tag4, tag5;
|
|
bool is_list = FALSE;
|
|
bool has_parent = FALSE;
|
|
|
|
int separator1 = tag1.find_first_of('%');
|
|
if (separator1 != -1)
|
|
{
|
|
is_list = TRUE;
|
|
|
|
// we are loading through softlists, split the listname from the regiontag
|
|
tag4.assign(tag1.substr(separator1 + 1, tag1.length() - separator1 + 1));
|
|
tag1.erase(separator1, tag1.length() - separator1);
|
|
tag1.append(PATH_SEPARATOR);
|
|
|
|
// check if we are loading a clone (if this is the case also tag1 have a separator '%')
|
|
int separator2 = tag4.find_first_of('%');
|
|
if (separator2 != -1)
|
|
{
|
|
has_parent = TRUE;
|
|
|
|
// we are loading a clone through softlists, split the setname from the parentname
|
|
tag5.assign(tag4.substr(separator2 + 1, tag4.length() - separator2 + 1));
|
|
tag4.erase(separator2, tag4.length() - separator2);
|
|
}
|
|
|
|
// prepare locations where we have to load from: list/parentname & list/clonename
|
|
std::string swlist(tag1);
|
|
tag2.assign(swlist.append(tag4));
|
|
if (has_parent)
|
|
{
|
|
swlist.assign(tag1);
|
|
tag3.assign(swlist.append(tag5));
|
|
}
|
|
}
|
|
|
|
if (tag5.find_first_of('%') != -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
|
|
if (!is_list)
|
|
{
|
|
tried_file_names += " " + tag1;
|
|
m_file = common_process_file(machine().options(), tag1.c_str(), has_crc, crc, romp, filerr);
|
|
}
|
|
else
|
|
{
|
|
// try to load from list/setname
|
|
if ((m_file == nullptr) && (tag2.c_str() != nullptr))
|
|
{
|
|
tried_file_names += " " + tag2;
|
|
m_file = common_process_file(machine().options(), tag2.c_str(), has_crc, crc, romp, filerr);
|
|
}
|
|
// try to load from list/parentname
|
|
if ((m_file == nullptr) && has_parent && (tag3.c_str() != nullptr))
|
|
{
|
|
tried_file_names += " " + tag3;
|
|
m_file = common_process_file(machine().options(), tag3.c_str(), has_crc, crc, romp, filerr);
|
|
}
|
|
// try to load from setname
|
|
if ((m_file == nullptr) && (tag4.c_str() != nullptr))
|
|
{
|
|
tried_file_names += " " + tag4;
|
|
m_file = common_process_file(machine().options(), tag4.c_str(), has_crc, crc, romp, filerr);
|
|
}
|
|
// try to load from parentname
|
|
if ((m_file == nullptr) && has_parent && (tag5.c_str() != nullptr))
|
|
{
|
|
tried_file_names += " " + tag5;
|
|
m_file = common_process_file(machine().options(), tag5.c_str(), has_crc, crc, romp, filerr);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* update counters */
|
|
m_romsloaded++;
|
|
m_romsloadedsize += romsize;
|
|
|
|
/* return the result */
|
|
return (filerr == osd_file::error::NONE);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_fread - cheesy fread that fills with
|
|
random data for a nullptr file
|
|
-------------------------------------------------*/
|
|
|
|
int rom_load_manager::rom_fread(UINT8 *buffer, int length, const rom_entry *parent_region)
|
|
{
|
|
/* files just pass through */
|
|
if (m_file != nullptr)
|
|
return m_file->read(buffer, length);
|
|
|
|
/* otherwise, fill with randomness unless it was already specifically erased */
|
|
else if (!ROMREGION_ISERASE(parent_region))
|
|
fill_random(buffer, length);
|
|
|
|
return length;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
read_rom_data - read ROM data for a single
|
|
entry
|
|
-------------------------------------------------*/
|
|
|
|
int rom_load_manager::read_rom_data(const rom_entry *parent_region, const rom_entry *romp)
|
|
{
|
|
int datashift = ROM_GETBITSHIFT(romp);
|
|
int datamask = ((1 << ROM_GETBITWIDTH(romp)) - 1) << datashift;
|
|
int numbytes = ROM_GETLENGTH(romp);
|
|
int groupsize = ROM_GETGROUPSIZE(romp);
|
|
int skip = ROM_GETSKIPCOUNT(romp);
|
|
int reversed = ROM_ISREVERSED(romp);
|
|
int numgroups = (numbytes + groupsize - 1) / groupsize;
|
|
UINT8 *base = m_region->base() + ROM_GETOFFSET(romp);
|
|
UINT32 tempbufsize;
|
|
int i;
|
|
|
|
LOG(("Loading ROM data: offs=%X len=%X mask=%02X group=%d skip=%d reverse=%d\n", ROM_GETOFFSET(romp), numbytes, datamask, groupsize, skip, reversed));
|
|
|
|
/* make sure the length was an even multiple of the group size */
|
|
if (numbytes % groupsize != 0)
|
|
osd_printf_warning("Warning in RomModule definition: %s length not an even multiple of group size\n", ROM_GETNAME(romp));
|
|
|
|
/* make sure we only fill within the region space */
|
|
if (ROM_GETOFFSET(romp) + numgroups * groupsize + (numgroups - 1) * skip > m_region->bytes())
|
|
fatalerror("Error in RomModule definition: %s out of memory region space\n", ROM_GETNAME(romp));
|
|
|
|
/* make sure the length was valid */
|
|
if (numbytes == 0)
|
|
fatalerror("Error in RomModule definition: %s has an invalid length\n", ROM_GETNAME(romp));
|
|
|
|
/* special case for simple loads */
|
|
if (datamask == 0xff && (groupsize == 1 || !reversed) && skip == 0)
|
|
return rom_fread(base, numbytes, parent_region);
|
|
|
|
/* use a temporary buffer for complex loads */
|
|
tempbufsize = MIN(TEMPBUFFER_MAX_SIZE, numbytes);
|
|
dynamic_buffer tempbuf(tempbufsize);
|
|
|
|
/* chunky reads for complex loads */
|
|
skip += groupsize;
|
|
while (numbytes > 0)
|
|
{
|
|
int evengroupcount = (tempbufsize / groupsize) * groupsize;
|
|
int bytesleft = (numbytes > evengroupcount) ? evengroupcount : numbytes;
|
|
UINT8 *bufptr = &tempbuf[0];
|
|
|
|
/* read as much as we can */
|
|
LOG((" Reading %X bytes into buffer\n", bytesleft));
|
|
if (rom_fread(bufptr, bytesleft, parent_region) != bytesleft)
|
|
return 0;
|
|
numbytes -= bytesleft;
|
|
|
|
LOG((" Copying to %p\n", base));
|
|
|
|
/* unmasked cases */
|
|
if (datamask == 0xff)
|
|
{
|
|
/* non-grouped data */
|
|
if (groupsize == 1)
|
|
for (i = 0; i < bytesleft; i++, base += skip)
|
|
*base = *bufptr++;
|
|
|
|
/* grouped data -- non-reversed case */
|
|
else if (!reversed)
|
|
while (bytesleft)
|
|
{
|
|
for (i = 0; i < groupsize && bytesleft; i++, bytesleft--)
|
|
base[i] = *bufptr++;
|
|
base += skip;
|
|
}
|
|
|
|
/* grouped data -- reversed case */
|
|
else
|
|
while (bytesleft)
|
|
{
|
|
for (i = groupsize - 1; i >= 0 && bytesleft; i--, bytesleft--)
|
|
base[i] = *bufptr++;
|
|
base += skip;
|
|
}
|
|
}
|
|
|
|
/* masked cases */
|
|
else
|
|
{
|
|
/* non-grouped data */
|
|
if (groupsize == 1)
|
|
for (i = 0; i < bytesleft; i++, base += skip)
|
|
*base = (*base & ~datamask) | ((*bufptr++ << datashift) & datamask);
|
|
|
|
/* grouped data -- non-reversed case */
|
|
else if (!reversed)
|
|
while (bytesleft)
|
|
{
|
|
for (i = 0; i < groupsize && bytesleft; i++, bytesleft--)
|
|
base[i] = (base[i] & ~datamask) | ((*bufptr++ << datashift) & datamask);
|
|
base += skip;
|
|
}
|
|
|
|
/* grouped data -- reversed case */
|
|
else
|
|
while (bytesleft)
|
|
{
|
|
for (i = groupsize - 1; i >= 0 && bytesleft; i--, bytesleft--)
|
|
base[i] = (base[i] & ~datamask) | ((*bufptr++ << datashift) & datamask);
|
|
base += skip;
|
|
}
|
|
}
|
|
}
|
|
|
|
LOG((" All done\n"));
|
|
return ROM_GETLENGTH(romp);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
fill_rom_data - fill a region of ROM space
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::fill_rom_data(const rom_entry *romp)
|
|
{
|
|
UINT32 numbytes = ROM_GETLENGTH(romp);
|
|
int skip = ROM_GETSKIPCOUNT(romp);
|
|
UINT8 *base = m_region->base() + ROM_GETOFFSET(romp);
|
|
|
|
/* make sure we fill within the region space */
|
|
if (ROM_GETOFFSET(romp) + numbytes > m_region->bytes())
|
|
fatalerror("Error in RomModule definition: FILL out of memory region space\n");
|
|
|
|
/* make sure the length was valid */
|
|
if (numbytes == 0)
|
|
fatalerror("Error in RomModule definition: FILL has an invalid length\n");
|
|
|
|
/* fill the data (filling value is stored in place of the hashdata) */
|
|
if(skip != 0)
|
|
{
|
|
for (int i = 0; i < numbytes; i+= skip + 1)
|
|
base[i] = (FPTR)ROM_GETHASHDATA(romp) & 0xff;
|
|
}
|
|
else
|
|
memset(base, (FPTR)ROM_GETHASHDATA(romp) & 0xff, numbytes);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
copy_rom_data - copy a region of ROM space
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::copy_rom_data(const rom_entry *romp)
|
|
{
|
|
UINT8 *base = m_region->base() + ROM_GETOFFSET(romp);
|
|
const char *srcrgntag = ROM_GETNAME(romp);
|
|
UINT32 numbytes = ROM_GETLENGTH(romp);
|
|
UINT32 srcoffs = (FPTR)ROM_GETHASHDATA(romp); /* srcoffset in place of hashdata */
|
|
|
|
/* make sure we copy within the region space */
|
|
if (ROM_GETOFFSET(romp) + numbytes > m_region->bytes())
|
|
fatalerror("Error in RomModule definition: COPY out of target memory region space\n");
|
|
|
|
/* make sure the length was valid */
|
|
if (numbytes == 0)
|
|
fatalerror("Error in RomModule definition: COPY has an invalid length\n");
|
|
|
|
/* make sure the source was valid */
|
|
memory_region *region = machine().root_device().memregion(srcrgntag);
|
|
if (region == nullptr)
|
|
fatalerror("Error in RomModule definition: COPY from an invalid region\n");
|
|
|
|
/* make sure we find within the region space */
|
|
if (srcoffs + numbytes > region->bytes())
|
|
fatalerror("Error in RomModule definition: COPY out of source memory region space\n");
|
|
|
|
/* fill the data */
|
|
memcpy(base, region->base() + srcoffs, numbytes);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
process_rom_entries - process all ROM entries
|
|
for a region
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::process_rom_entries(const char *regiontag, const rom_entry *parent_region, const rom_entry *romp, device_t *device, bool from_list)
|
|
{
|
|
UINT32 lastflags = 0;
|
|
|
|
/* loop until we hit the end of this region */
|
|
while (!ROMENTRY_ISREGIONEND(romp))
|
|
{
|
|
/* if this is a continue entry, it's invalid */
|
|
if (ROMENTRY_ISCONTINUE(romp))
|
|
fatalerror("Error in RomModule definition: ROM_CONTINUE not preceded by ROM_LOAD\n");
|
|
|
|
/* if this is an ignore entry, it's invalid */
|
|
if (ROMENTRY_ISIGNORE(romp))
|
|
fatalerror("Error in RomModule definition: ROM_IGNORE not preceded by ROM_LOAD\n");
|
|
|
|
/* if this is a reload entry, it's invalid */
|
|
if (ROMENTRY_ISRELOAD(romp))
|
|
fatalerror("Error in RomModule definition: ROM_RELOAD not preceded by ROM_LOAD\n");
|
|
|
|
/* handle fills */
|
|
if (ROMENTRY_ISFILL(romp))
|
|
fill_rom_data(romp++);
|
|
|
|
/* handle copies */
|
|
else if (ROMENTRY_ISCOPY(romp))
|
|
copy_rom_data(romp++);
|
|
|
|
/* handle files */
|
|
else if (ROMENTRY_ISFILE(romp))
|
|
{
|
|
int irrelevantbios = (ROM_GETBIOSFLAGS(romp) != 0 && ROM_GETBIOSFLAGS(romp) != device->system_bios());
|
|
const rom_entry *baserom = romp;
|
|
int explength = 0;
|
|
|
|
/* open the file if it is a non-BIOS or matches the current BIOS */
|
|
LOG(("Opening ROM file: %s\n", ROM_GETNAME(romp)));
|
|
std::string tried_file_names;
|
|
if (!irrelevantbios && !open_rom_file(regiontag, romp, tried_file_names, from_list))
|
|
handle_missing_file(romp, tried_file_names, CHDERR_NONE);
|
|
|
|
/* loop until we run out of reloads */
|
|
do
|
|
{
|
|
/* loop until we run out of continues/ignores */
|
|
do
|
|
{
|
|
rom_entry modified_romp = *romp++;
|
|
//int readresult;
|
|
|
|
/* handle flag inheritance */
|
|
if (!ROM_INHERITSFLAGS(&modified_romp))
|
|
lastflags = modified_romp._flags;
|
|
else
|
|
modified_romp._flags = (modified_romp._flags & ~ROM_INHERITEDFLAGS) | lastflags;
|
|
|
|
explength += ROM_GETLENGTH(&modified_romp);
|
|
|
|
/* attempt to read using the modified entry */
|
|
if (!ROMENTRY_ISIGNORE(&modified_romp) && !irrelevantbios)
|
|
/*readresult = */read_rom_data(parent_region, &modified_romp);
|
|
}
|
|
while (ROMENTRY_ISCONTINUE(romp) || ROMENTRY_ISIGNORE(romp));
|
|
|
|
/* if this was the first use of this file, verify the length and CRC */
|
|
if (baserom)
|
|
{
|
|
LOG(("Verifying length (%X) and checksums\n", explength));
|
|
verify_length_and_hash(ROM_GETNAME(baserom), explength, hash_collection(ROM_GETHASHDATA(baserom)));
|
|
LOG(("Verify finished\n"));
|
|
}
|
|
|
|
/* reseek to the start and clear the baserom so we don't reverify */
|
|
if (m_file != nullptr)
|
|
m_file->seek(0, SEEK_SET);
|
|
baserom = nullptr;
|
|
explength = 0;
|
|
}
|
|
while (ROMENTRY_ISRELOAD(romp));
|
|
|
|
/* close the file */
|
|
if (m_file != nullptr)
|
|
{
|
|
LOG(("Closing ROM file\n"));
|
|
m_file = nullptr;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
romp++; /* something else; skip */
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
open_disk_image - open a disk image,
|
|
searching up the parent and loading by
|
|
checksum
|
|
-------------------------------------------------*/
|
|
|
|
int open_disk_image(emu_options &options, const game_driver *gamedrv, const rom_entry *romp, chd_file &image_chd, const char *locationtag)
|
|
{
|
|
emu_file image_file(options.media_path(), OPEN_FLAG_READ);
|
|
const rom_entry *region, *rom;
|
|
osd_file::error filerr;
|
|
chd_error err;
|
|
|
|
/* attempt to open the properly named file, scanning up through parent directories */
|
|
filerr = osd_file::error::NOT_FOUND;
|
|
for (int searchdrv = driver_list::find(*gamedrv); searchdrv != -1 && filerr != osd_file::error::NONE; searchdrv = driver_list::clone(searchdrv))
|
|
filerr = common_process_file(options, driver_list::driver(searchdrv).name, ".chd", romp, image_file);
|
|
|
|
if (filerr != osd_file::error::NONE)
|
|
filerr = common_process_file(options, nullptr, ".chd", romp, image_file);
|
|
|
|
/* look for the disk in the locationtag too */
|
|
if (filerr != osd_file::error::NONE && locationtag != nullptr)
|
|
{
|
|
// check if we are dealing with softwarelists. if so, locationtag
|
|
// is actually a concatenation of: listname + setname + parentname
|
|
// separated by '%' (parentname being present only for clones)
|
|
std::string tag1(locationtag), tag2, tag3, tag4, tag5;
|
|
bool is_list = FALSE;
|
|
bool has_parent = FALSE;
|
|
|
|
int separator1 = tag1.find_first_of('%');
|
|
if (separator1 != -1)
|
|
{
|
|
is_list = TRUE;
|
|
|
|
// we are loading through softlists, split the listname from the regiontag
|
|
tag4.assign(tag1.substr(separator1 + 1, tag1.length() - separator1 + 1));
|
|
tag1.erase(separator1, tag1.length() - separator1);
|
|
tag1.append(PATH_SEPARATOR);
|
|
|
|
// check if we are loading a clone (if this is the case also tag1 have a separator '%')
|
|
int separator2 = tag4.find_first_of('%');
|
|
if (separator2 != -1)
|
|
{
|
|
has_parent = TRUE;
|
|
|
|
// we are loading a clone through softlists, split the setname from the parentname
|
|
tag5.assign(tag4.substr(separator2 + 1, tag4.length() - separator2 + 1));
|
|
tag4.erase(separator2, tag4.length() - separator2);
|
|
}
|
|
|
|
// prepare locations where we have to load from: list/parentname (if any) & list/clonename
|
|
std::string swlist(tag1);
|
|
tag2.assign(swlist.append(tag4));
|
|
if (has_parent)
|
|
{
|
|
swlist.assign(tag1);
|
|
tag3.assign(swlist.append(tag5));
|
|
}
|
|
}
|
|
|
|
if (tag5.find_first_of('%') != -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 locationtag only;
|
|
// - if we are using lists, we have: list/clonename, list/parentname, clonename, parentname
|
|
if (!is_list)
|
|
filerr = common_process_file(options, locationtag, ".chd", romp, image_file);
|
|
else
|
|
{
|
|
// try to load from list/setname
|
|
if ((filerr != osd_file::error::NONE) && (tag2.c_str() != nullptr))
|
|
filerr = common_process_file(options, tag2.c_str(), ".chd", romp, image_file);
|
|
// try to load from list/parentname (if any)
|
|
if ((filerr != osd_file::error::NONE) && has_parent && (tag3.c_str() != nullptr))
|
|
filerr = common_process_file(options, tag3.c_str(), ".chd", romp, image_file);
|
|
// try to load from setname
|
|
if ((filerr != osd_file::error::NONE) && (tag4.c_str() != nullptr))
|
|
filerr = common_process_file(options, tag4.c_str(), ".chd", romp, image_file);
|
|
// try to load from parentname (if any)
|
|
if ((filerr != osd_file::error::NONE) && has_parent && (tag5.c_str() != nullptr))
|
|
filerr = common_process_file(options, tag5.c_str(), ".chd", romp, image_file);
|
|
// only for CHD we also try to load from list/
|
|
if ((filerr != osd_file::error::NONE) && (tag1.c_str() != nullptr))
|
|
{
|
|
tag1.erase(tag1.length() - 1, 1); // remove the PATH_SEPARATOR
|
|
filerr = common_process_file(options, tag1.c_str(), ".chd", romp, image_file);
|
|
}
|
|
}
|
|
}
|
|
|
|
/* did the file open succeed? */
|
|
if (filerr == osd_file::error::NONE)
|
|
{
|
|
std::string fullpath(image_file.fullpath());
|
|
image_file.close();
|
|
|
|
/* try to open the CHD */
|
|
err = image_chd.open(fullpath.c_str());
|
|
if (err == CHDERR_NONE)
|
|
return err;
|
|
}
|
|
else
|
|
err = CHDERR_FILE_NOT_FOUND;
|
|
|
|
/* otherwise, look at our parents for a CHD with an identical checksum */
|
|
/* and try to open that */
|
|
hash_collection romphashes(ROM_GETHASHDATA(romp));
|
|
for (int drv = driver_list::find(*gamedrv); drv != -1; drv = driver_list::clone(drv))
|
|
{
|
|
machine_config config(driver_list::driver(drv), options);
|
|
for (device_t &device : device_iterator(config.root_device()))
|
|
for (region = rom_first_region(device); region != nullptr; region = rom_next_region(region))
|
|
if (ROMREGION_ISDISKDATA(region))
|
|
for (rom = rom_first_file(region); rom != nullptr; rom = rom_next_file(rom))
|
|
|
|
/* look for a differing name but with the same hash data */
|
|
if (strcmp(ROM_GETNAME(romp), ROM_GETNAME(rom)) != 0 &&
|
|
romphashes == hash_collection(ROM_GETHASHDATA(rom)))
|
|
{
|
|
/* attempt to open the properly named file, scanning up through parent directories */
|
|
filerr = osd_file::error::NOT_FOUND;
|
|
for (int searchdrv = drv; searchdrv != -1 && filerr != osd_file::error::NONE; searchdrv = driver_list::clone(searchdrv))
|
|
filerr = common_process_file(options, driver_list::driver(searchdrv).name, ".chd", rom, image_file);
|
|
|
|
if (filerr != osd_file::error::NONE)
|
|
filerr = common_process_file(options, nullptr, ".chd", rom, image_file);
|
|
|
|
/* did the file open succeed? */
|
|
if (filerr == osd_file::error::NONE)
|
|
{
|
|
std::string fullpath(image_file.fullpath());
|
|
image_file.close();
|
|
|
|
/* try to open the CHD */
|
|
err = image_chd.open(fullpath.c_str());
|
|
if (err == CHDERR_NONE)
|
|
return err;
|
|
}
|
|
}
|
|
}
|
|
return err;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
open_disk_diff - open a DISK diff file
|
|
-------------------------------------------------*/
|
|
|
|
chd_error rom_load_manager::open_disk_diff(emu_options &options, const rom_entry *romp, chd_file &source, chd_file &diff_chd)
|
|
{
|
|
std::string fname = std::string(ROM_GETNAME(romp)).append(".dif");
|
|
|
|
/* try to open the diff */
|
|
LOG(("Opening differencing image file: %s\n", fname.c_str()));
|
|
emu_file diff_file(options.diff_directory(), OPEN_FLAG_READ | OPEN_FLAG_WRITE);
|
|
osd_file::error filerr = diff_file.open(fname.c_str());
|
|
if (filerr == osd_file::error::NONE)
|
|
{
|
|
std::string fullpath(diff_file.fullpath());
|
|
diff_file.close();
|
|
|
|
LOG(("Opening differencing image file: %s\n", fullpath.c_str()));
|
|
return diff_chd.open(fullpath.c_str(), true, &source);
|
|
}
|
|
|
|
/* didn't work; try creating it instead */
|
|
LOG(("Creating differencing image: %s\n", fname.c_str()));
|
|
diff_file.set_openflags(OPEN_FLAG_READ | OPEN_FLAG_WRITE | OPEN_FLAG_CREATE | OPEN_FLAG_CREATE_PATHS);
|
|
filerr = diff_file.open(fname.c_str());
|
|
if (filerr == osd_file::error::NONE)
|
|
{
|
|
std::string fullpath(diff_file.fullpath());
|
|
diff_file.close();
|
|
|
|
/* create the CHD */
|
|
LOG(("Creating differencing image file: %s\n", fullpath.c_str()));
|
|
chd_codec_type compression[4] = { CHD_CODEC_NONE };
|
|
chd_error err = diff_chd.create(fullpath.c_str(), source.logical_bytes(), source.hunk_bytes(), compression, source);
|
|
if (err != CHDERR_NONE)
|
|
return err;
|
|
|
|
return diff_chd.clone_all_metadata(source);
|
|
}
|
|
|
|
return CHDERR_FILE_NOT_FOUND;
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
process_disk_entries - process all disk entries
|
|
for a region
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::process_disk_entries(const char *regiontag, const rom_entry *parent_region, const rom_entry *romp, const char *locationtag)
|
|
{
|
|
/* loop until we hit the end of this region */
|
|
for ( ; !ROMENTRY_ISREGIONEND(romp); romp++)
|
|
{
|
|
/* handle files */
|
|
if (ROMENTRY_ISFILE(romp))
|
|
{
|
|
auto chd = std::make_unique<open_chd>(regiontag);
|
|
|
|
hash_collection hashes(ROM_GETHASHDATA(romp));
|
|
chd_error err;
|
|
|
|
/* make the filename of the source */
|
|
std::string filename = std::string(ROM_GETNAME(romp)).append(".chd");
|
|
|
|
/* first open the source drive */
|
|
LOG(("Opening disk image: %s\n", filename.c_str()));
|
|
err = chd_error(open_disk_image(machine().options(), &machine().system(), romp, chd->orig_chd(), locationtag));
|
|
if (err != CHDERR_NONE)
|
|
{
|
|
handle_missing_file(romp, std::string(), err);
|
|
chd = nullptr;
|
|
continue;
|
|
}
|
|
|
|
/* get the header and extract the SHA1 */
|
|
hash_collection acthashes;
|
|
acthashes.add_sha1(chd->orig_chd().sha1());
|
|
|
|
/* verify the hash */
|
|
if (hashes != acthashes)
|
|
{
|
|
m_errorstring.append(string_format("%s WRONG CHECKSUMS:\n", filename));
|
|
dump_wrong_and_correct_checksums(hashes, acthashes);
|
|
m_warnings++;
|
|
}
|
|
else if (hashes.flag(hash_collection::FLAG_BAD_DUMP))
|
|
{
|
|
m_errorstring.append(string_format("%s CHD NEEDS REDUMP\n", filename));
|
|
m_knownbad++;
|
|
}
|
|
|
|
/* if not read-only, make the diff file */
|
|
if (!DISK_ISREADONLY(romp))
|
|
{
|
|
/* try to open or create the diff */
|
|
err = open_disk_diff(machine().options(), romp, chd->orig_chd(), chd->diff_chd());
|
|
if (err != CHDERR_NONE)
|
|
{
|
|
m_errorstring.append(string_format("%s DIFF CHD ERROR: %s\n", filename, chd_file::error_string(err)));
|
|
m_errors++;
|
|
chd = nullptr;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
/* we're okay, add to the list of disks */
|
|
LOG(("Assigning to handle %d\n", DISK_GETINDEX(romp)));
|
|
m_chd_list.push_back(std::move(chd));
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
normalize_flags_for_device - modify the region
|
|
flags for the given device
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::normalize_flags_for_device(running_machine &machine, const char *rgntag, UINT8 &width, endianness_t &endian)
|
|
{
|
|
device_t *device = machine.device(rgntag);
|
|
device_memory_interface *memory;
|
|
if (device->interface(memory))
|
|
{
|
|
const address_space_config *spaceconfig = memory->space_config();
|
|
if (spaceconfig != nullptr)
|
|
{
|
|
int buswidth;
|
|
|
|
/* set the endianness */
|
|
if (spaceconfig->m_endianness == ENDIANNESS_LITTLE)
|
|
endian = ENDIANNESS_LITTLE;
|
|
else
|
|
endian = ENDIANNESS_BIG;
|
|
|
|
/* set the width */
|
|
buswidth = spaceconfig->m_databus_width;
|
|
if (buswidth <= 8)
|
|
width = 1;
|
|
else if (buswidth <= 16)
|
|
width = 2;
|
|
else if (buswidth <= 32)
|
|
width = 4;
|
|
else
|
|
width = 8;
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
load_software_part_region - load a software part
|
|
|
|
This is used by MESS when loading a piece of
|
|
software. The code should be merged with
|
|
process_region_list or updated to use a slight
|
|
more general process_region_list.
|
|
-------------------------------------------------*/
|
|
|
|
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);
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
process_region_list - process a region list
|
|
-------------------------------------------------*/
|
|
|
|
void rom_load_manager::process_region_list()
|
|
{
|
|
std::string regiontag;
|
|
|
|
/* loop until we hit the end */
|
|
device_iterator deviter(machine().root_device());
|
|
for (device_t &device : deviter)
|
|
for (const rom_entry *region = rom_first_region(device); region != nullptr; region = rom_next_region(region))
|
|
{
|
|
UINT32 regionlength = ROMREGION_GETLENGTH(region);
|
|
|
|
regiontag = rom_region_name(device, region);
|
|
LOG(("Processing region \"%s\" (length=%X)\n", regiontag.c_str(), regionlength));
|
|
|
|
/* the first entry must be a region */
|
|
assert(ROMENTRY_ISREGION(region));
|
|
|
|
if (ROMREGION_ISROMDATA(region))
|
|
{
|
|
/* if this is a device region, override with the device width and endianness */
|
|
UINT8 width = ROMREGION_GETWIDTH(region) / 8;
|
|
endianness_t endianness = ROMREGION_ISBIGENDIAN(region) ? ENDIANNESS_BIG : ENDIANNESS_LITTLE;
|
|
if (machine().device(regiontag.c_str()) != nullptr)
|
|
normalize_flags_for_device(machine(), regiontag.c_str(), width, endianness);
|
|
|
|
/* 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
|
|
|
|
/* now process the entries in the region */
|
|
process_rom_entries(device.shortname(), region, region + 1, &device, FALSE);
|
|
}
|
|
else if (ROMREGION_ISDISKDATA(region))
|
|
process_disk_entries(regiontag.c_str(), region, region + 1, nullptr);
|
|
}
|
|
|
|
/* now go back and post-process all the regions */
|
|
for (device_t &device : deviter)
|
|
for (const rom_entry *region = rom_first_region(device); region != nullptr; region = rom_next_region(region))
|
|
{
|
|
regiontag = rom_region_name(device, region);
|
|
region_post_process(regiontag.c_str(), ROMREGION_ISINVERTED(region));
|
|
}
|
|
|
|
/* and finally register all per-game parameters */
|
|
for (device_t &device : deviter)
|
|
for (const rom_entry *param = rom_first_parameter(device); param != nullptr; param = rom_next_parameter(param))
|
|
{
|
|
regiontag = rom_parameter_name(device, param);
|
|
machine().parameters().add(regiontag, rom_parameter_value(param));
|
|
}
|
|
}
|
|
|
|
|
|
/*-------------------------------------------------
|
|
rom_init - load the ROMs and open the disk
|
|
images associated with the given machine
|
|
-------------------------------------------------*/
|
|
|
|
rom_load_manager::rom_load_manager(running_machine &machine)
|
|
: m_machine(machine)
|
|
{
|
|
/* figure out which BIOS we are using */
|
|
|
|
for (device_t &device : device_iterator(machine.config().root_device()))
|
|
{
|
|
if (device.rom_region())
|
|
{
|
|
std::string specbios;
|
|
if (device.owner() == nullptr)
|
|
specbios.assign(machine.options().bios());
|
|
else
|
|
{
|
|
specbios = machine.options().sub_value(device.owner()->tag()+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);
|
|
}
|