Handle tray eject/load via smc

hw/xbox/smbus_xbox_smc.c

@@ -37,11 +37,24 @@
 #include "smbus.h"
 #include "sysemu/runstate.h"
 #include "hw/qdev-properties.h"
+#include "ui/xemu-settings.h"
 
 #define TYPE_XBOX_SMC "smbus-xbox-smc"
 #define XBOX_SMC(obj) OBJECT_CHECK(SMBusSMCDevice, (obj), TYPE_XBOX_SMC)
 
-// #define DEBUG
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "../../xemu-config.h"
+
+extern struct config g_config;
+
+#ifdef __cplusplus
+}
+#endif
+
+#define DEBUG
 #ifdef DEBUG
 # define DPRINTF(format, ...) printf(format, ## __VA_ARGS__)
 #else
@@ -91,7 +104,10 @@
 #define SMC_REG_RESETONEJECT        0x19
 #define SMC_REG_INTEN               0x1a
 #define SMC_REG_SCRATCH             0x1b
+#define     SMC_REG_SCRATCH_EJECT_AFTER_BOOT 0x01
+#define     SMC_REG_SCRATCH_ERROR_AFTER_BOOT 0x02
 #define     SMC_REG_SCRATCH_SHORT_ANIMATION 0x04
+#define     SMC_REG_SCRATCH_FORCE_DASH_BOOT 0x08
 
 #define SMC_VERSION_LENGTH 3
 
@@ -114,8 +130,9 @@ static void smc_quick_cmd(SMBusDevice *dev, uint8_t read)
 
 static int smc_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
 {
+    Error *error = NULL;
     SMBusSMCDevice *smc = XBOX_SMC(dev);
-
+    
     smc->cmd = buf[0];
     uint8_t cmd = smc->cmd;
     buf++;
@@ -140,6 +157,19 @@ static int smc_write_data(SMBusDevice *dev, uint8_t *buf, uint8_t len)
         }
         break;
 
+    case SMC_REG_TRAYEJECT:
+        if (buf[0]) {
+            const char *path = g_config.sys.files.dvd_path;
+            qmp_blockdev_change_medium(true, "ide0-cd1", false, NULL, path,
+                                        false, "",  false, false, false, 0,
+                                        &error);
+        } else {
+            xemu_settings_set_string(&g_config.sys.files.dvd_path, "");
+            qmp_eject(true, "ide0-cd1", false, NULL, true, false, &error);
+        }
+        xbox_smc_update_tray_state();
+        break;
+
     case SMC_REG_ERROR_WRITE:
         smc->error_reg = buf[0];
         break;
@@ -264,6 +294,10 @@ static void smbus_smc_realize(DeviceState *dev, Error **errp)
     smc->cmd = 0;
     smc->error_reg = 0;
 
+    if (object_property_get_bool(qdev_get_machine(), "eject-after-boot", NULL)) {
+        smc->scratch_reg = SMC_REG_SCRATCH_EJECT_AFTER_BOOT;
+    }
+
     if (object_property_get_bool(qdev_get_machine(), "short-animation", NULL)) {
         smc->scratch_reg = SMC_REG_SCRATCH_SHORT_ANIMATION;
     }

hw/xbox/xbox.c

@@ -437,6 +437,19 @@ static bool machine_get_short_animation(Object *obj, Error **errp)
     return ms->short_animation;
 }
 
+static void machine_set_eject_after_boot(Object *obj, bool value,
+                                        Error **errp)
+{
+    XboxMachineState *ms = XBOX_MACHINE(obj);
+    ms->eject_after_boot = value;
+}
+
+static bool machine_get_eject_after_boot(Object *obj, Error **errp)
+{
+    XboxMachineState *ms = XBOX_MACHINE(obj);
+    return ms->eject_after_boot;
+}
+
 static char *machine_get_smc_version(Object *obj, Error **errp)
 {
     XboxMachineState *ms = XBOX_MACHINE(obj);
@@ -504,6 +517,13 @@ static inline void xbox_machine_initfn(Object *obj)
                                     "Skip Xbox boot animation");
     object_property_set_bool(obj, "short-animation", false, &error_fatal);
 
+    object_property_add_bool(obj, "eject-after-boot",
+                             machine_get_eject_after_boot,
+                             machine_set_eject_after_boot);
+    object_property_set_description(obj, "eject-after-boot",
+                                    "Eject disc tray after boot");
+    object_property_set_bool(obj, "eject-after-boot", false, &error_fatal);
+
     object_property_add_str(obj, "smc-version", machine_get_smc_version,
                             machine_set_smc_version);
     object_property_set_description(obj, "smc-version",

hw/xbox/xbox.h

@@ -45,6 +45,7 @@ typedef struct XboxMachineState {
     char *bootrom;
     char *avpack;
     bool short_animation;
+    bool eject_after_boot;
     char *smc_version;
     char *video_encoder;
 } XboxMachineState;

softmmu/vl.c

@@ -2782,8 +2782,18 @@ void qemu_init(int argc, char **argv)
         "none",
     }[g_config.sys.avpack];
 
-    fake_argv[fake_argc++] = g_strdup_printf("xbox%s%s%s,avpack=%s",
+    bool eject_after_boot = false;
+    for (int i = 1; i < argc; i++) {
+        if (argv[i] && strcmp(argv[i], "-eject_after_boot") == 0) {
+            argv[i] = NULL;
+            eject_after_boot = true;
+            break;
+        }
+    }
+
+    fake_argv[fake_argc++] = g_strdup_printf("xbox%s%s%s%s,avpack=%s",
         (bootrom_arg != NULL) ? bootrom_arg : "",
+        eject_after_boot ? ",eject-after-boot=on" : "",
         g_config.general.skip_boot_anim ? ",short-animation=on" : "",
         ",kernel-irqchip=off",
         avpack_str