Slight code clean-up

Prevents crashing

CMakeSettings.json

@@ -9,8 +9,7 @@
       "installRoot": "${projectDir}\\out\\install\\${name}",
       "cmakeCommandArgs": "",
       "buildCommandArgs": "-v",
-      "ctestCommandArgs": "",
-      "variables": []
+      "ctestCommandArgs": ""
     },
     {
       "name": "x64-Release",
@@ -21,7 +20,18 @@
       "cmakeCommandArgs": "",
       "buildCommandArgs": "-v",
       "ctestCommandArgs": "",
-      "inheritEnvironments": [ "clang_cl_x64" ],
+      "inheritEnvironments": [ "clang_cl_x64" ]
+    },
+    {
+      "name": "x86-Debug",
+      "generator": "Ninja",
+      "configurationType": "Debug",
+      "buildRoot": "${projectDir}\\out\\build\\${name}",
+      "installRoot": "${projectDir}\\out\\install\\${name}",
+      "cmakeCommandArgs": "",
+      "buildCommandArgs": "",
+      "ctestCommandArgs": "",
+      "inheritEnvironments": [ "msvc_x86" ],
       "variables": []
     }
   ]

devices/common/ide/ide_hd.cpp

@@ -21,6 +21,7 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 /** @file Heathrow hard drive controller */
 
+#include <devices/deviceregistry.h>
 #include <devices/common/ide/ide_hd.h>
 #include <fstream>
 #include <limits>
@@ -114,4 +115,10 @@ void IdeHardDisk::perform_command(uint32_t command) {
     default:
         LOG_F(WARNING, "Attempted to execute IDE command: %x", command);
     }
-}
+}
+
+static const DeviceDescription IDE_Descriptor = {
+    IdeHardDisk::create, {}, {}
+};
+
+REGISTER_DEVICE(IdeHardDisk, IDE_Descriptor);

devices/common/scsi/scsi.h

@@ -190,7 +190,7 @@ private:
     std::array<ScsiDevice*, SCSI_MAX_DEVS> devices;
 
     // per-device state of the control lines
-    uint16_t    dev_ctrl_lines[SCSI_MAX_DEVS];
+    uint16_t    dev_ctrl_lines[SCSI_MAX_DEVS] = {};
 
     uint16_t    ctrl_lines;
     int         cur_phase;

devices/common/scsi/scsi_hd.cpp

@@ -37,15 +37,15 @@ along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
 using namespace std;
 
-ScsiHardDisk::ScsiHardDisk(int my_id) : ScsiDevice(my_id)
-{
+ScsiHardDisk::ScsiHardDisk(int my_id) : ScsiDevice(my_id) {
     supports_types(HWCompType::SCSI_DEV);
-
-    std::string hd_image_path = GET_STR_PROP("hdd_img");
+}
+ 
+ void ScsiHardDisk::insert_image(std::string filename) {
 
     //We don't want to store everything in memory, but
     //we want to keep the hard disk available.
-    this->hdd_img.open(hd_image_path, ios::out | ios::in | ios::binary);
+     this->hdd_img.open(filename, ios::out | ios::in | ios::binary);
 
     // Taken from:
     // https://stackoverflow.com/questions/22984956/tellg-function-give-wrong-size-of-file/22986486
@@ -232,3 +232,8 @@ static const PropMap SCSI_HD_Properties = {
     {"hdd_img", new StrProperty("")},
     {"hdd_wr_prot", new BinProperty(0)},
 };
+
+static const DeviceDescription SCSI_HD_Descriptor = 
+    {ScsiHardDisk::create, {}, SCSI_HD_Properties};
+
+REGISTER_DEVICE(ScsiDevice, SCSI_HD_Descriptor);

devices/common/scsi/scsi_hd.h

@@ -35,6 +35,11 @@ public:
     ScsiHardDisk(int my_id);
     ~ScsiHardDisk() = default;
 
+    static std::unique_ptr<HWComponent> create() {
+        return std::unique_ptr<ScsiHardDisk>(new ScsiHardDisk(0));
+    }
+    
+    void insert_image(std::string filename);
     void process_command();
     bool send_bytes(uint8_t* dst_ptr, int count) { return true; };
 
@@ -57,7 +62,6 @@ protected:
     std::fstream hdd_img;
     uint64_t img_size;
     char img_buffer[1 << 17];
-    uint8_t scsi_command[12];
     uint64_t file_offset = 0;
     uint8_t status       = ScsiError::NO_ERROR;
 

devices/ioctrl/heathrow.cpp

@@ -81,6 +81,9 @@ HeathrowIC::HeathrowIC() : PCIDevice("mac-io/heathrow"), InterruptCtrl()
 
     // connect IDE HW
     this->ide_0 = dynamic_cast<IdeHardDisk*>(gMachineObj->get_comp_by_name("IDE0"));
+    if (!StrProperty("hdd_img").get_string().empty()) {
+        this->ide_0->insert_image(GET_STR_PROP("hdd_img"));
+    }
 
     // connect serial HW
     this->escc = dynamic_cast<EsccController*>(gMachineObj->get_comp_by_name("Escc"));