image_init_result harddisk_image_device::call_create(int create_format, util::option_resolution *create_args)
{
int err;
UINT32 sectorsize, hunksize;
UINT32 cylinders, heads, sectors, totalsectors;
assert_always(create_args != nullptr, "Expected create_args to not be nullptr");
cylinders = create_args->lookup_int('C');
heads = create_args->lookup_int('H');
sectors = create_args->lookup_int('S');
sectorsize = create_args->lookup_int('L');
hunksize = create_args->lookup_int('K');
totalsectors = cylinders * heads * sectors;
/* create the CHD file */
chd_codec_type compression[4] = { CHD_CODEC_NONE };
err = m_origchd.create(image_core_file(), (UINT64)totalsectors * (UINT64)sectorsize, hunksize, sectorsize, compression);
if (err != CHDERR_NONE)
goto error;
/* if we created the image and hence, have metadata to set, set the metadata */
err = m_origchd.write_metadata(HARD_DISK_METADATA_TAG, 0, string_format(HARD_DISK_METADATA_FORMAT, cylinders, heads, sectors, sectorsize));
m_origchd.close();
if (err != CHDERR_NONE)
goto error;
return internal_load_hd();
error:
return image_init_result::FAIL;
}
bool harddisk_image_device::call_create(int create_format, option_resolution *create_args)
{
int err;
UINT32 sectorsize, hunksize;
UINT32 cylinders, heads, sectors, totalsectors;
astring metadata;
cylinders = option_resolution_lookup_int(create_args, 'C');
heads = option_resolution_lookup_int(create_args, 'H');
sectors = option_resolution_lookup_int(create_args, 'S');
sectorsize = option_resolution_lookup_int(create_args, 'L');
hunksize = option_resolution_lookup_int(create_args, 'K');
totalsectors = cylinders * heads * sectors;
/* create the CHD file */
chd_codec_type compression[4] = { CHD_CODEC_NONE };
err = m_origchd.create(*image_core_file(), (UINT64)totalsectors * (UINT64)sectorsize, hunksize, sectorsize, compression);
if (err != CHDERR_NONE)
goto error;
/* if we created the image and hence, have metadata to set, set the metadata */
metadata.format(HARD_DISK_METADATA_FORMAT, cylinders, heads, sectors, sectorsize);
err = m_origchd.write_metadata(HARD_DISK_METADATA_TAG, 0, metadata);
m_origchd.close();
if (err != CHDERR_NONE)
goto error;
return internal_load_hd();
error:
return IMAGE_INIT_FAIL;
}
bool harddisk_image_device::call_create(int create_format, option_resolution *create_args)
{
int err;
char metadata[256];
UINT32 sectorsize, hunksize;
UINT32 cylinders, heads, sectors, totalsectors;
cylinders = option_resolution_lookup_int(create_args, 'C');
heads = option_resolution_lookup_int(create_args, 'H');
sectors = option_resolution_lookup_int(create_args, 'S');
sectorsize = option_resolution_lookup_int(create_args, 'L');
hunksize = option_resolution_lookup_int(create_args, 'K');
totalsectors = cylinders * heads * sectors;
/* create the CHD file */
err = chd_create_file(image_core_file(), (UINT64)totalsectors * (UINT64)sectorsize, hunksize, CHDCOMPRESSION_NONE, NULL);
if (err != CHDERR_NONE)
goto error;
sprintf(metadata, HARD_DISK_METADATA_FORMAT, cylinders, heads, sectors, sectorsize);
return internal_load_hd(metadata);
error:
return IMAGE_INIT_FAIL;
}
image_init_result harddisk_image_device::call_load()
{
image_init_result our_result;
our_result = internal_load_hd();
/* Check if there is an image_load callback defined */
if (!m_device_image_load.isnull())
{
/* Let the override do some additional work/checks */
our_result = m_device_image_load(*this);
}
return our_result;
}