diff --git a/hw/sun4m.c b/hw/sun4m.c
index df3aa32..bd9ef91 100644
--- a/hw/sun4m.c
+++ b/hw/sun4m.c
@@ -87,6 +87,7 @@
 #define ESCC_CLOCK 4915200
 
 struct sun4m_hwdef {
+    QEMUMachine machine;
     target_phys_addr_t iommu_base, iommu_pad_base, iommu_pad_len, slavio_base;
     target_phys_addr_t intctl_base, counter_base, nvram_base, ms_kb_base;
     target_phys_addr_t serial_base, fd_base;
@@ -108,6 +109,7 @@ struct sun4m_hwdef {
 #define MAX_IOUNITS 5
 
 struct sun4d_hwdef {
+    QEMUMachine machine;
     target_phys_addr_t iounit_bases[MAX_IOUNITS], slavio_base;
     target_phys_addr_t counter_base, nvram_base, ms_kb_base;
     target_phys_addr_t serial_base;
@@ -123,6 +125,7 @@ struct sun4d_hwdef {
 };
 
 struct sun4c_hwdef {
+    QEMUMachine machine;
     target_phys_addr_t iommu_base, slavio_base;
     target_phys_addr_t intctl_base, counter_base, nvram_base, ms_kb_base;
     target_phys_addr_t serial_base, fd_base;
@@ -1006,9 +1009,109 @@ enum {
     ss2000_id,
 };
 
+static const struct sun4m_hwdef sun4m_hwdefs[];
+
+/* SPARCstation 5 hardware initialisation */
+static void ss5_init(ram_addr_t RAM_size,
+                     const char *boot_device,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[0], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 10 hardware initialisation */
+static void ss10_init(ram_addr_t RAM_size,
+                      const char *boot_device,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[1], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCserver 600MP hardware initialisation */
+static void ss600mp_init(ram_addr_t RAM_size,
+                         const char *boot_device,
+                         const char *kernel_filename,
+                         const char *kernel_cmdline,
+                         const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[2], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 20 hardware initialisation */
+static void ss20_init(ram_addr_t RAM_size,
+                      const char *boot_device,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[3], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation Voyager hardware initialisation */
+static void vger_init(ram_addr_t RAM_size,
+                      const char *boot_device,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[4], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation LX hardware initialisation */
+static void ss_lx_init(ram_addr_t RAM_size,
+                       const char *boot_device,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[5], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCstation 4 hardware initialisation */
+static void ss4_init(ram_addr_t RAM_size,
+                     const char *boot_device,
+                     const char *kernel_filename, const char *kernel_cmdline,
+                     const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[6], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCClassic hardware initialisation */
+static void scls_init(ram_addr_t RAM_size,
+                      const char *boot_device,
+                      const char *kernel_filename, const char *kernel_cmdline,
+                      const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[7], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
+/* SPARCbook hardware initialisation */
+static void sbook_init(ram_addr_t RAM_size,
+                       const char *boot_device,
+                       const char *kernel_filename, const char *kernel_cmdline,
+                       const char *initrd_filename, const char *cpu_model)
+{
+    sun4m_hw_init(&sun4m_hwdefs[8], RAM_size, boot_device, kernel_filename,
+                  kernel_cmdline, initrd_filename, cpu_model);
+}
+
 static const struct sun4m_hwdef sun4m_hwdefs[] = {
     /* SS-5 */
     {
+        .machine = {
+            .name = "SS-5",
+            .desc = "Sun4m platform, SPARCstation 5",
+            .init = ss5_init,
+            .use_scsi = 1,
+            .is_default = 1,
+        },
         .iommu_base   = 0x10000000,
         .iommu_pad_base = 0x10004000,
         .iommu_pad_len  = 0x0fffb000,
@@ -1037,6 +1140,13 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SS-10 */
     {
+        .machine = {
+            .name = "SS-10",
+            .desc = "Sun4m platform, SPARCstation 10",
+            .init = ss10_init,
+            .use_scsi = 1,
+            .max_cpus = 4,
+        },
         .iommu_base   = 0xfe0000000ULL,
         .tcx_base     = 0xe20000000ULL,
         .slavio_base  = 0xff0000000ULL,
@@ -1063,6 +1173,13 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SS-600MP */
     {
+        .machine = {
+            .name = "SS-600MP",
+            .desc = "Sun4m platform, SPARCserver 600MP",
+            .init = ss600mp_init,
+            .use_scsi = 1,
+            .max_cpus = 4,
+        },
         .iommu_base   = 0xfe0000000ULL,
         .tcx_base     = 0xe20000000ULL,
         .slavio_base  = 0xff0000000ULL,
@@ -1087,6 +1204,13 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SS-20 */
     {
+        .machine = {
+            .name = "SS-20",
+            .desc = "Sun4m platform, SPARCstation 20",
+            .init = ss20_init,
+            .use_scsi = 1,
+            .max_cpus = 4,
+        },
         .iommu_base   = 0xfe0000000ULL,
         .tcx_base     = 0xe20000000ULL,
         .slavio_base  = 0xff0000000ULL,
@@ -1129,6 +1253,12 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* Voyager */
     {
+        .machine = {
+            .name = "Voyager",
+            .desc = "Sun4m platform, SPARCstation Voyager",
+            .init = vger_init,
+            .use_scsi = 1,
+        },
         .iommu_base   = 0x10000000,
         .tcx_base     = 0x50000000,
         .slavio_base  = 0x70000000,
@@ -1153,6 +1283,12 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* LX */
     {
+        .machine = {
+            .name = "LX",
+            .desc = "Sun4m platform, SPARCstation LX",
+            .init = ss_lx_init,
+            .use_scsi = 1,
+        },
         .iommu_base   = 0x10000000,
         .iommu_pad_base = 0x10004000,
         .iommu_pad_len  = 0x0fffb000,
@@ -1178,6 +1314,12 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SS-4 */
     {
+        .machine = {
+            .name = "SS-4",
+            .desc = "Sun4m platform, SPARCstation 4",
+            .init = ss4_init,
+            .use_scsi = 1,
+        },
         .iommu_base   = 0x10000000,
         .tcx_base     = 0x50000000,
         .cs_base      = 0x6c000000,
@@ -1203,6 +1345,12 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SPARCClassic */
     {
+        .machine = {
+            .name = "SPARCClassic",
+            .desc = "Sun4m platform, SPARCClassic",
+            .init = scls_init,
+            .use_scsi = 1,
+        },
         .iommu_base   = 0x10000000,
         .tcx_base     = 0x50000000,
         .slavio_base  = 0x70000000,
@@ -1227,6 +1375,12 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
     /* SPARCbook */
     {
+        .machine = {
+            .name = "SPARCbook",
+            .desc = "Sun4m platform, SPARCbook",
+            .init = sbook_init,
+            .use_scsi = 1,
+        },
         .iommu_base   = 0x10000000,
         .tcx_base     = 0x50000000, // XXX
         .slavio_base  = 0x70000000,
@@ -1251,219 +1405,6 @@ static const struct sun4m_hwdef sun4m_hwdefs[] = {
     },
 };
 
-/* SPARCstation 5 hardware initialisation */
-static void ss5_init(ram_addr_t RAM_size,
-                     const char *boot_device,
-                     const char *kernel_filename, const char *kernel_cmdline,
-                     const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[0], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCstation 10 hardware initialisation */
-static void ss10_init(ram_addr_t RAM_size,
-                      const char *boot_device,
-                      const char *kernel_filename, const char *kernel_cmdline,
-                      const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[1], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCserver 600MP hardware initialisation */
-static void ss600mp_init(ram_addr_t RAM_size,
-                         const char *boot_device,
-                         const char *kernel_filename,
-                         const char *kernel_cmdline,
-                         const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[2], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCstation 20 hardware initialisation */
-static void ss20_init(ram_addr_t RAM_size,
-                      const char *boot_device,
-                      const char *kernel_filename, const char *kernel_cmdline,
-                      const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[3], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCstation Voyager hardware initialisation */
-static void vger_init(ram_addr_t RAM_size,
-                      const char *boot_device,
-                      const char *kernel_filename, const char *kernel_cmdline,
-                      const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[4], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCstation LX hardware initialisation */
-static void ss_lx_init(ram_addr_t RAM_size,
-                       const char *boot_device,
-                       const char *kernel_filename, const char *kernel_cmdline,
-                       const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[5], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCstation 4 hardware initialisation */
-static void ss4_init(ram_addr_t RAM_size,
-                     const char *boot_device,
-                     const char *kernel_filename, const char *kernel_cmdline,
-                     const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[6], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCClassic hardware initialisation */
-static void scls_init(ram_addr_t RAM_size,
-                      const char *boot_device,
-                      const char *kernel_filename, const char *kernel_cmdline,
-                      const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[7], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-/* SPARCbook hardware initialisation */
-static void sbook_init(ram_addr_t RAM_size,
-                       const char *boot_device,
-                       const char *kernel_filename, const char *kernel_cmdline,
-                       const char *initrd_filename, const char *cpu_model)
-{
-    sun4m_hw_init(&sun4m_hwdefs[8], RAM_size, boot_device, kernel_filename,
-                  kernel_cmdline, initrd_filename, cpu_model);
-}
-
-static QEMUMachine ss5_machine = {
-    .name = "SS-5",
-    .desc = "Sun4m platform, SPARCstation 5",
-    .init = ss5_init,
-    .use_scsi = 1,
-    .is_default = 1,
-};
-
-static QEMUMachine ss10_machine = {
-    .name = "SS-10",
-    .desc = "Sun4m platform, SPARCstation 10",
-    .init = ss10_init,
-    .use_scsi = 1,
-    .max_cpus = 4,
-};
-
-static QEMUMachine ss600mp_machine = {
-    .name = "SS-600MP",
-    .desc = "Sun4m platform, SPARCserver 600MP",
-    .init = ss600mp_init,
-    .use_scsi = 1,
-    .max_cpus = 4,
-};
-
-static QEMUMachine ss20_machine = {
-    .name = "SS-20",
-    .desc = "Sun4m platform, SPARCstation 20",
-    .init = ss20_init,
-    .use_scsi = 1,
-    .max_cpus = 4,
-};
-
-static QEMUMachine voyager_machine = {
-    .name = "Voyager",
-    .desc = "Sun4m platform, SPARCstation Voyager",
-    .init = vger_init,
-    .use_scsi = 1,
-};
-
-static QEMUMachine ss_lx_machine = {
-    .name = "LX",
-    .desc = "Sun4m platform, SPARCstation LX",
-    .init = ss_lx_init,
-    .use_scsi = 1,
-};
-
-static QEMUMachine ss4_machine = {
-    .name = "SS-4",
-    .desc = "Sun4m platform, SPARCstation 4",
-    .init = ss4_init,
-    .use_scsi = 1,
-};
-
-static QEMUMachine scls_machine = {
-    .name = "SPARCClassic",
-    .desc = "Sun4m platform, SPARCClassic",
-    .init = scls_init,
-    .use_scsi = 1,
-};
-
-static QEMUMachine sbook_machine = {
-    .name = "SPARCbook",
-    .desc = "Sun4m platform, SPARCbook",
-    .init = sbook_init,
-    .use_scsi = 1,
-};
-
-static const struct sun4d_hwdef sun4d_hwdefs[] = {
-    /* SS-1000 */
-    {
-        .iounit_bases   = {
-            0xfe0200000ULL,
-            0xfe1200000ULL,
-            0xfe2200000ULL,
-            0xfe3200000ULL,
-            -1,
-        },
-        .tcx_base     = 0x820000000ULL,
-        .slavio_base  = 0xf00000000ULL,
-        .ms_kb_base   = 0xf00240000ULL,
-        .serial_base  = 0xf00200000ULL,
-        .nvram_base   = 0xf00280000ULL,
-        .counter_base = 0xf00300000ULL,
-        .espdma_base  = 0x800081000ULL,
-        .esp_base     = 0x800080000ULL,
-        .ledma_base   = 0x800040000ULL,
-        .le_base      = 0x800060000ULL,
-        .sbi_base     = 0xf02800000ULL,
-        .nvram_machine_id = 0x80,
-        .machine_id = ss1000_id,
-        .iounit_version = 0x03000000,
-        .max_mem = 0xf00000000ULL,
-        .default_cpu_model = "TI SuperSparc II",
-    },
-    /* SS-2000 */
-    {
-        .iounit_bases   = {
-            0xfe0200000ULL,
-            0xfe1200000ULL,
-            0xfe2200000ULL,
-            0xfe3200000ULL,
-            0xfe4200000ULL,
-        },
-        .tcx_base     = 0x820000000ULL,
-        .slavio_base  = 0xf00000000ULL,
-        .ms_kb_base   = 0xf00240000ULL,
-        .serial_base  = 0xf00200000ULL,
-        .nvram_base   = 0xf00280000ULL,
-        .counter_base = 0xf00300000ULL,
-        .espdma_base  = 0x800081000ULL,
-        .esp_base     = 0x800080000ULL,
-        .ledma_base   = 0x800040000ULL,
-        .le_base      = 0x800060000ULL,
-        .sbi_base     = 0xf02800000ULL,
-        .nvram_machine_id = 0x80,
-        .machine_id = ss2000_id,
-        .iounit_version = 0x03000000,
-        .max_mem = 0xf00000000ULL,
-        .default_cpu_model = "TI SuperSparc II",
-    },
-};
-
 static DeviceState *sbi_init(target_phys_addr_t addr, qemu_irq **parent_irq)
 {
     DeviceState *dev;
@@ -1599,6 +1540,8 @@ static void sun4d_hw_init(const struct sun4d_hwdef *hwdef, ram_addr_t RAM_size,
     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 }
 
+static const struct sun4d_hwdef sun4d_hwdefs[];
+
 /* SPARCserver 1000 hardware initialisation */
 static void ss1000_init(ram_addr_t RAM_size,
                         const char *boot_device,
@@ -1619,42 +1562,72 @@ static void ss2000_init(ram_addr_t RAM_size,
                   kernel_cmdline, initrd_filename, cpu_model);
 }
 
-static QEMUMachine ss1000_machine = {
-    .name = "SS-1000",
-    .desc = "Sun4d platform, SPARCserver 1000",
-    .init = ss1000_init,
-    .use_scsi = 1,
-    .max_cpus = 8,
-};
-
-static QEMUMachine ss2000_machine = {
-    .name = "SS-2000",
-    .desc = "Sun4d platform, SPARCcenter 2000",
-    .init = ss2000_init,
-    .use_scsi = 1,
-    .max_cpus = 20,
-};
-
-static const struct sun4c_hwdef sun4c_hwdefs[] = {
-    /* SS-2 */
+static const struct sun4d_hwdef sun4d_hwdefs[] = {
+    /* SS-1000 */
     {
-        .iommu_base   = 0xf8000000,
-        .tcx_base     = 0xfe000000,
-        .slavio_base  = 0xf6000000,
-        .intctl_base  = 0xf5000000,
-        .counter_base = 0xf3000000,
-        .ms_kb_base   = 0xf0000000,
-        .serial_base  = 0xf1000000,
-        .nvram_base   = 0xf2000000,
-        .fd_base      = 0xf7200000,
-        .dma_base     = 0xf8400000,
-        .esp_base     = 0xf8800000,
-        .le_base      = 0xf8c00000,
-        .aux1_base    = 0xf7400003,
-        .nvram_machine_id = 0x55,
-        .machine_id = ss2_id,
-        .max_mem = 0x10000000,
-        .default_cpu_model = "Cypress CY7C601",
+        .machine = {
+            .name = "SS-1000",
+            .desc = "Sun4d platform, SPARCserver 1000",
+            .init = ss1000_init,
+            .use_scsi = 1,
+            .max_cpus = 8,
+        },
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            -1,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss1000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
+    },
+    /* SS-2000 */
+    {
+        .machine = {
+            .name = "SS-2000",
+            .desc = "Sun4d platform, SPARCcenter 2000",
+            .init = ss2000_init,
+            .use_scsi = 1,
+            .max_cpus = 20,
+        },
+        .iounit_bases   = {
+            0xfe0200000ULL,
+            0xfe1200000ULL,
+            0xfe2200000ULL,
+            0xfe3200000ULL,
+            0xfe4200000ULL,
+        },
+        .tcx_base     = 0x820000000ULL,
+        .slavio_base  = 0xf00000000ULL,
+        .ms_kb_base   = 0xf00240000ULL,
+        .serial_base  = 0xf00200000ULL,
+        .nvram_base   = 0xf00280000ULL,
+        .counter_base = 0xf00300000ULL,
+        .espdma_base  = 0x800081000ULL,
+        .esp_base     = 0x800080000ULL,
+        .ledma_base   = 0x800040000ULL,
+        .le_base      = 0x800060000ULL,
+        .sbi_base     = 0xf02800000ULL,
+        .nvram_machine_id = 0x80,
+        .machine_id = ss2000_id,
+        .iounit_version = 0x03000000,
+        .max_mem = 0xf00000000ULL,
+        .default_cpu_model = "TI SuperSparc II",
     },
 };
 
@@ -1791,6 +1764,8 @@ static void sun4c_hw_init(const struct sun4c_hwdef *hwdef, ram_addr_t RAM_size,
     qemu_register_boot_set(fw_cfg_boot_set, fw_cfg);
 }
 
+static const struct sun4c_hwdef sun4c_hwdefs[];
+
 /* SPARCstation 2 hardware initialisation */
 static void ss2_init(ram_addr_t RAM_size,
                      const char *boot_device,
@@ -1801,27 +1776,49 @@ static void ss2_init(ram_addr_t RAM_size,
                   kernel_cmdline, initrd_filename, cpu_model);
 }
 
-static QEMUMachine ss2_machine = {
-    .name = "SS-2",
-    .desc = "Sun4c platform, SPARCstation 2",
-    .init = ss2_init,
-    .use_scsi = 1,
+static const struct sun4c_hwdef sun4c_hwdefs[] = {
+    /* SS-2 */
+    {
+        .machine = {
+            .name = "SS-2",
+            .desc = "Sun4c platform, SPARCstation 2",
+            .init = ss2_init,
+            .use_scsi = 1,
+        },
+        .iommu_base   = 0xf8000000,
+        .tcx_base     = 0xfe000000,
+        .slavio_base  = 0xf6000000,
+        .intctl_base  = 0xf5000000,
+        .counter_base = 0xf3000000,
+        .ms_kb_base   = 0xf0000000,
+        .serial_base  = 0xf1000000,
+        .nvram_base   = 0xf2000000,
+        .fd_base      = 0xf7200000,
+        .dma_base     = 0xf8400000,
+        .esp_base     = 0xf8800000,
+        .le_base      = 0xf8c00000,
+        .aux1_base    = 0xf7400003,
+        .nvram_machine_id = 0x55,
+        .machine_id = ss2_id,
+        .max_mem = 0x10000000,
+        .default_cpu_model = "Cypress CY7C601",
+    },
 };
 
 static void ss2_machine_init(void)
 {
-    qemu_register_machine(&ss5_machine);
-    qemu_register_machine(&ss10_machine);
-    qemu_register_machine(&ss600mp_machine);
-    qemu_register_machine(&ss20_machine);
-    qemu_register_machine(&voyager_machine);
-    qemu_register_machine(&ss_lx_machine);
-    qemu_register_machine(&ss4_machine);
-    qemu_register_machine(&scls_machine);
-    qemu_register_machine(&sbook_machine);
-    qemu_register_machine(&ss1000_machine);
-    qemu_register_machine(&ss2000_machine);
-    qemu_register_machine(&ss2_machine);
+    int i;
+    for (i = 0; i < ARRAY_SIZE(sun4m_hwdefs); i++) {
+        qemu_register_machine(&sun4m_hwdefs[i].machine);
+    }
+
+    for (i = 0; i < ARRAY_SIZE(sun4d_hwdefs); i++) {
+        qemu_register_machine(&sun4d_hwdefs[i].machine);
+    }
+
+    for (i = 0; i < ARRAY_SIZE(sun4c_hwdefs); i++) {
+        qemu_register_machine(&sun4c_hwdefs[i].machine);
+    }
 }
 
 machine_init(ss2_machine_init);
