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Add basic support for multiple hard disks in the 6100 

We treat the hdd_img parameter as a colon-separated list of disk
images and create additional SCSI HD devices as needed.
This commit is contained in:
Mihai Parparita 2024-01-27 15:21:19 -08:00 committed by dingusdev
parent 4c9b125cc8
commit cfca42e577
1 changed files with 27 additions and 5 deletions
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32
machines/machinepdm.cpp
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@ -37,6 +37,7 @@ along with this program. If not, see <https://www.gnu.org/licenses/>.
#include <machines/machinefactory.h>
#include <machines/machineproperties.h>
#include <sstream>
#include <string>
#include <vector>
@ -89,11 +90,32 @@ int initialize_pdm(std::string& id)
std::string hd_image_path = GET_STR_PROP("hdd_img");
if (!hd_image_path.empty()) {
// attach SCSI HD to the main bus, ID #0
auto my_hd = dynamic_cast<ScsiHardDisk*>(gMachineObj->get_comp_by_name("ScsiHD"));
scsi_bus->register_device(0, my_hd);
// insert specified disk image
my_hd->insert_image(hd_image_path);
std::istringstream hd_image_stream(hd_image_path);
std::string path;
int scsi_id = 0;
while (std::getline(hd_image_stream, path, ':')) {
// Avoid overlapping with the CD-ROM drive at ID 3.
if (scsi_id >= 3) {
LOG_F(WARNING, "Ignoring SCSI ID %d: only IDs 0-2 are supported", scsi_id);
continue;
}
ScsiHardDisk *scsi_hd;
if (scsi_id == 0) {
// There's always a built-in SCSI hard disk at ID #0
scsi_hd = dynamic_cast<ScsiHardDisk*>(gMachineObj->get_comp_by_name("ScsiHD"));
} else {
// Register additional SCSI hard disks as needed
std::string scsi_hd_name = "ScsiHD" + std::to_string(scsi_id);
scsi_hd = new ScsiHardDisk(scsi_hd_name, scsi_id);
gMachineObj->add_device(scsi_hd_name, std::unique_ptr<ScsiHardDisk>(scsi_hd));
}
scsi_bus->register_device(scsi_id, scsi_hd);
scsi_hd->insert_image(path);
scsi_id++;
}
}
std::string cdr_image_path = GET_STR_PROP("cdr_img");