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-rw-r--r--hw/alpha/dp264.c2
-rw-r--r--hw/cris/axis_dev88.c2
-rw-r--r--hw/hppa/machine.c2
-rw-r--r--hw/i386/pc_piix.c10
-rw-r--r--hw/lm32/lm32_boards.c3
-rw-r--r--hw/lm32/milkymist.c1
-rw-r--r--hw/m68k/mcf5208.c2
-rw-r--r--hw/m68k/q800.c1
-rw-r--r--hw/microblaze/petalogix_ml605_mmu.c1
-rw-r--r--hw/microblaze/petalogix_s3adsp1800_mmu.c2
-rw-r--r--hw/mips/mips_malta.c2
-rw-r--r--hw/moxie/moxiesim.c2
-rw-r--r--hw/nios2/10m50_devboard.c2
-rw-r--r--hw/openrisc/openrisc_sim.c2
-rw-r--r--hw/ppc/mac_oldworld.c2
-rw-r--r--hw/ppc/spapr.c2
-rw-r--r--hw/riscv/spike.c2
-rw-r--r--hw/s390x/s390-virtio-ccw.c2
-rw-r--r--hw/sh4/shix.c2
-rw-r--r--hw/sparc/sun4m.c2
-rw-r--r--hw/sparc64/sun4u.c2
-rw-r--r--hw/tricore/tricore_testboard.c1
-rw-r--r--hw/unicore32/puv3.c2
-rw-r--r--include/hw/boards.h4
-rw-r--r--include/hw/nmi.h2
-rw-r--r--softmmu/vl.c6
26 files changed, 31 insertions, 32 deletions
diff --git a/hw/alpha/dp264.c b/hw/alpha/dp264.c
index 8d71a30617..d28f57199f 100644
--- a/hw/alpha/dp264.c
+++ b/hw/alpha/dp264.c
@@ -181,7 +181,7 @@ static void clipper_machine_init(MachineClass *mc)
     mc->init = clipper_init;
     mc->block_default_type = IF_IDE;
     mc->max_cpus = 4;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = ALPHA_CPU_TYPE_NAME("ev67");
     mc->default_ram_id = "ram";
 }
diff --git a/hw/cris/axis_dev88.c b/hw/cris/axis_dev88.c
index cf6790fd6f..75e5c993b5 100644
--- a/hw/cris/axis_dev88.c
+++ b/hw/cris/axis_dev88.c
@@ -344,7 +344,7 @@ static void axisdev88_machine_init(MachineClass *mc)
 {
     mc->desc = "AXIS devboard 88";
     mc->init = axisdev88_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = CRIS_CPU_TYPE_NAME("crisv32");
     mc->default_ram_id = "axisdev88.ram";
 }
diff --git a/hw/hppa/machine.c b/hw/hppa/machine.c
index 67181e75ba..bf18767e24 100644
--- a/hw/hppa/machine.c
+++ b/hw/hppa/machine.c
@@ -290,7 +290,7 @@ static void machine_hppa_machine_init(MachineClass *mc)
     mc->block_default_type = IF_SCSI;
     mc->max_cpus = HPPA_MAX_CPUS;
     mc->default_cpus = 1;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_ram_size = 512 * MiB;
     mc->default_boot_order = "cd";
     mc->default_ram_id = "ram";
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index fa12203079..9088db8fb6 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -423,7 +423,7 @@ static void pc_i440fx_5_0_machine_options(MachineClass *m)
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_machine_options(m);
     m->alias = "pc";
-    m->is_default = 1;
+    m->is_default = true;
     pcmc->default_cpu_version = 1;
 }
 
@@ -434,7 +434,7 @@ static void pc_i440fx_4_2_machine_options(MachineClass *m)
 {
     pc_i440fx_5_0_machine_options(m);
     m->alias = NULL;
-    m->is_default = 0;
+    m->is_default = false;
     compat_props_add(m->compat_props, hw_compat_4_2, hw_compat_4_2_len);
     compat_props_add(m->compat_props, pc_compat_4_2, pc_compat_4_2_len);
 }
@@ -446,7 +446,7 @@ static void pc_i440fx_4_1_machine_options(MachineClass *m)
 {
     pc_i440fx_4_2_machine_options(m);
     m->alias = NULL;
-    m->is_default = 0;
+    m->is_default = false;
     compat_props_add(m->compat_props, hw_compat_4_1, hw_compat_4_1_len);
     compat_props_add(m->compat_props, pc_compat_4_1, pc_compat_4_1_len);
 }
@@ -459,7 +459,7 @@ static void pc_i440fx_4_0_machine_options(MachineClass *m)
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_4_1_machine_options(m);
     m->alias = NULL;
-    m->is_default = 0;
+    m->is_default = false;
     pcmc->default_cpu_version = CPU_VERSION_LEGACY;
     compat_props_add(m->compat_props, hw_compat_4_0, hw_compat_4_0_len);
     compat_props_add(m->compat_props, pc_compat_4_0, pc_compat_4_0_len);
@@ -473,7 +473,7 @@ static void pc_i440fx_3_1_machine_options(MachineClass *m)
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
 
     pc_i440fx_4_0_machine_options(m);
-    m->is_default = 0;
+    m->is_default = false;
     pcmc->do_not_add_smb_acpi = true;
     m->smbus_no_migration_support = true;
     m->alias = NULL;
diff --git a/hw/lm32/lm32_boards.c b/hw/lm32/lm32_boards.c
index 4e0a98c117..b842f74344 100644
--- a/hw/lm32/lm32_boards.c
+++ b/hw/lm32/lm32_boards.c
@@ -295,7 +295,7 @@ static void lm32_evr_class_init(ObjectClass *oc, void *data)
 
     mc->desc = "LatticeMico32 EVR32 eval system";
     mc->init = lm32_evr_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full");
     mc->default_ram_size = 64 * MiB;
     mc->default_ram_id = "lm32_evr.sdram";
@@ -313,7 +313,6 @@ static void lm32_uclinux_class_init(ObjectClass *oc, void *data)
 
     mc->desc = "lm32 platform for uClinux and u-boot by Theobroma Systems";
     mc->init = lm32_uclinux_init;
-    mc->is_default = 0;
     mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full");
     mc->default_ram_size = 64 * MiB;
     mc->default_ram_id = "lm32_uclinux.sdram";
diff --git a/hw/lm32/milkymist.c b/hw/lm32/milkymist.c
index 5c72266e58..85913bb68b 100644
--- a/hw/lm32/milkymist.c
+++ b/hw/lm32/milkymist.c
@@ -219,7 +219,6 @@ static void milkymist_machine_init(MachineClass *mc)
 {
     mc->desc = "Milkymist One";
     mc->init = milkymist_init;
-    mc->is_default = 0;
     mc->default_cpu_type = LM32_CPU_TYPE_NAME("lm32-full");
     mc->default_ram_size = 128 * MiB;
     mc->default_ram_id = "milkymist.sdram";
diff --git a/hw/m68k/mcf5208.c b/hw/m68k/mcf5208.c
index 31622c71cb..b84c152ce3 100644
--- a/hw/m68k/mcf5208.c
+++ b/hw/m68k/mcf5208.c
@@ -350,7 +350,7 @@ static void mcf5208evb_machine_init(MachineClass *mc)
 {
     mc->desc = "MCF5208EVB";
     mc->init = mcf5208evb_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = M68K_CPU_TYPE_NAME("m5208");
     mc->default_ram_id = "mcf5208.ram";
 }
diff --git a/hw/m68k/q800.c b/hw/m68k/q800.c
index a4c4bc14cb..c5699f6f3e 100644
--- a/hw/m68k/q800.c
+++ b/hw/m68k/q800.c
@@ -438,7 +438,6 @@ static void q800_machine_class_init(ObjectClass *oc, void *data)
     mc->init = q800_init;
     mc->default_cpu_type = M68K_CPU_TYPE_NAME("m68040");
     mc->max_cpus = 1;
-    mc->is_default = 0;
     mc->block_default_type = IF_SCSI;
     mc->default_ram_id = "m68k_mac.ram";
 }
diff --git a/hw/microblaze/petalogix_ml605_mmu.c b/hw/microblaze/petalogix_ml605_mmu.c
index 09486bc8bf..0a2640c40b 100644
--- a/hw/microblaze/petalogix_ml605_mmu.c
+++ b/hw/microblaze/petalogix_ml605_mmu.c
@@ -216,7 +216,6 @@ static void petalogix_ml605_machine_init(MachineClass *mc)
 {
     mc->desc = "PetaLogix linux refdesign for xilinx ml605 little endian";
     mc->init = petalogix_ml605_init;
-    mc->is_default = 0;
 }
 
 DEFINE_MACHINE("petalogix-ml605", petalogix_ml605_machine_init)
diff --git a/hw/microblaze/petalogix_s3adsp1800_mmu.c b/hw/microblaze/petalogix_s3adsp1800_mmu.c
index 849bafc186..0bb6cdea8d 100644
--- a/hw/microblaze/petalogix_s3adsp1800_mmu.c
+++ b/hw/microblaze/petalogix_s3adsp1800_mmu.c
@@ -132,7 +132,7 @@ static void petalogix_s3adsp1800_machine_init(MachineClass *mc)
 {
     mc->desc = "PetaLogix linux refdesign for xilinx Spartan 3ADSP1800";
     mc->init = petalogix_s3adsp1800_init;
-    mc->is_default = 1;
+    mc->is_default = true;
 }
 
 DEFINE_MACHINE("petalogix-s3adsp1800", petalogix_s3adsp1800_machine_init)
diff --git a/hw/mips/mips_malta.c b/hw/mips/mips_malta.c
index 6e7ba9235d..d380f73d7b 100644
--- a/hw/mips/mips_malta.c
+++ b/hw/mips/mips_malta.c
@@ -1439,7 +1439,7 @@ static void mips_malta_machine_init(MachineClass *mc)
     mc->init = mips_malta_init;
     mc->block_default_type = IF_IDE;
     mc->max_cpus = 16;
-    mc->is_default = 1;
+    mc->is_default = true;
 #ifdef TARGET_MIPS64
     mc->default_cpu_type = MIPS_CPU_TYPE_NAME("20Kc");
 #else
diff --git a/hw/moxie/moxiesim.c b/hw/moxie/moxiesim.c
index 1d06e39fcb..51a98287b5 100644
--- a/hw/moxie/moxiesim.c
+++ b/hw/moxie/moxiesim.c
@@ -150,7 +150,7 @@ static void moxiesim_machine_init(MachineClass *mc)
 {
     mc->desc = "Moxie simulator platform";
     mc->init = moxiesim_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = MOXIE_CPU_TYPE_NAME("MoxieLite");
 }
 
diff --git a/hw/nios2/10m50_devboard.c b/hw/nios2/10m50_devboard.c
index ad8b2fc670..33dc2bf511 100644
--- a/hw/nios2/10m50_devboard.c
+++ b/hw/nios2/10m50_devboard.c
@@ -120,7 +120,7 @@ static void nios2_10m50_ghrd_machine_init(struct MachineClass *mc)
 {
     mc->desc = "Altera 10M50 GHRD Nios II design";
     mc->init = nios2_10m50_ghrd_init;
-    mc->is_default = 1;
+    mc->is_default = true;
 }
 
 DEFINE_MACHINE("10m50-ghrd", nios2_10m50_ghrd_machine_init);
diff --git a/hw/openrisc/openrisc_sim.c b/hw/openrisc/openrisc_sim.c
index ad5371250f..d08ce61811 100644
--- a/hw/openrisc/openrisc_sim.c
+++ b/hw/openrisc/openrisc_sim.c
@@ -176,7 +176,7 @@ static void openrisc_sim_machine_init(MachineClass *mc)
     mc->desc = "or1k simulation";
     mc->init = openrisc_sim_init;
     mc->max_cpus = 2;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = OPENRISC_CPU_TYPE_NAME("or1200");
 }
 
diff --git a/hw/ppc/mac_oldworld.c b/hw/ppc/mac_oldworld.c
index 66e434bba3..440c406eb4 100644
--- a/hw/ppc/mac_oldworld.c
+++ b/hw/ppc/mac_oldworld.c
@@ -435,7 +435,7 @@ static void heathrow_class_init(ObjectClass *oc, void *data)
     mc->block_default_type = IF_IDE;
     mc->max_cpus = MAX_CPUS;
 #ifndef TARGET_PPC64
-    mc->is_default = 1;
+    mc->is_default = true;
 #endif
     /* TOFIX "cad" when Mac floppy is implemented */
     mc->default_boot_order = "cd";
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index c03ce6afb9..cc10798be4 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4560,7 +4560,7 @@ static const TypeInfo spapr_machine_info = {
 static void spapr_machine_latest_class_options(MachineClass *mc)
 {
     mc->alias = "pseries";
-    mc->is_default = 1;
+    mc->is_default = true;
 }
 
 #define DEFINE_SPAPR_MACHINE(suffix, verstr, latest)                 \
diff --git a/hw/riscv/spike.c b/hw/riscv/spike.c
index 8823681783..6f03857660 100644
--- a/hw/riscv/spike.c
+++ b/hw/riscv/spike.c
@@ -448,7 +448,7 @@ static void spike_machine_init(MachineClass *mc)
     mc->desc = "RISC-V Spike Board";
     mc->init = spike_board_init;
     mc->max_cpus = 1;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = SPIKE_V1_10_0_CPU;
 }
 
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index a89cf4c129..895498cca6 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -630,7 +630,7 @@ bool css_migration_enabled(void)
         mc->desc = "VirtIO-ccw based S390 machine v" verstr;                  \
         if (latest) {                                                         \
             mc->alias = "s390-ccw-virtio";                                    \
-            mc->is_default = 1;                                               \
+            mc->is_default = true;                                            \
         }                                                                     \
     }                                                                         \
     static void ccw_machine_##suffix##_instance_init(Object *obj)             \
diff --git a/hw/sh4/shix.c b/hw/sh4/shix.c
index 2fc2915428..68b14ee5e7 100644
--- a/hw/sh4/shix.c
+++ b/hw/sh4/shix.c
@@ -82,7 +82,7 @@ static void shix_machine_init(MachineClass *mc)
 {
     mc->desc = "shix card";
     mc->init = shix_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = TYPE_SH7750R_CPU;
 }
 
diff --git a/hw/sparc/sun4m.c b/hw/sparc/sun4m.c
index f5bf95fc9f..36ee1a0a3d 100644
--- a/hw/sparc/sun4m.c
+++ b/hw/sparc/sun4m.c
@@ -1402,7 +1402,7 @@ static void ss5_class_init(ObjectClass *oc, void *data)
     mc->desc = "Sun4m platform, SPARCstation 5";
     mc->init = ss5_init;
     mc->block_default_type = IF_SCSI;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_boot_order = "c";
     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("Fujitsu-MB86904");
     mc->default_display = "tcx";
diff --git a/hw/sparc64/sun4u.c b/hw/sparc64/sun4u.c
index b7ac42f7a5..d33e84f831 100644
--- a/hw/sparc64/sun4u.c
+++ b/hw/sparc64/sun4u.c
@@ -816,7 +816,7 @@ static void sun4u_class_init(ObjectClass *oc, void *data)
     mc->init = sun4u_init;
     mc->block_default_type = IF_IDE;
     mc->max_cpus = 1; /* XXX for now */
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_boot_order = "c";
     mc->default_cpu_type = SPARC_CPU_TYPE_NAME("TI-UltraSparc-IIi");
     mc->ignore_boot_device_suffixes = true;
diff --git a/hw/tricore/tricore_testboard.c b/hw/tricore/tricore_testboard.c
index 20c9ccb3ce..8ec2b5bddd 100644
--- a/hw/tricore/tricore_testboard.c
+++ b/hw/tricore/tricore_testboard.c
@@ -105,7 +105,6 @@ static void ttb_machine_init(MachineClass *mc)
 {
     mc->desc = "a minimal TriCore board";
     mc->init = tricoreboard_init;
-    mc->is_default = 0;
     mc->default_cpu_type = TRICORE_CPU_TYPE_NAME("tc1796");
 }
 
diff --git a/hw/unicore32/puv3.c b/hw/unicore32/puv3.c
index 7e933de228..7f9c0238fe 100644
--- a/hw/unicore32/puv3.c
+++ b/hw/unicore32/puv3.c
@@ -140,7 +140,7 @@ static void puv3_machine_init(MachineClass *mc)
 {
     mc->desc = "PKUnity Version-3 based on UniCore32";
     mc->init = puv3_init;
-    mc->is_default = 1;
+    mc->is_default = true;
     mc->default_cpu_type = UNICORE32_CPU_TYPE_NAME("UniCore-II");
 }
 
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 142b86d0ae..9bc42dfb22 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -81,6 +81,8 @@ typedef struct {
  * @max_cpus: maximum number of CPUs supported. Default: 1
  * @min_cpus: minimum number of CPUs supported. Default: 1
  * @default_cpus: number of CPUs instantiated if none are specified. Default: 1
+ * @is_default:
+ *    If true QEMU will use this machine by default if no '-M' option is given.
  * @get_hotplug_handler: this function is called during bus-less
  *    device hotplug. If defined it returns pointer to an instance
  *    of HotplugHandler object, which handles hotplug operation
@@ -181,7 +183,7 @@ struct MachineClass {
         no_sdcard:1,
         pci_allow_0_address:1,
         legacy_fw_cfg_order:1;
-    int is_default;
+    bool is_default;
     const char *default_machine_opts;
     const char *default_boot_order;
     const char *default_display;
diff --git a/include/hw/nmi.h b/include/hw/nmi.h
index a1e128724e..fe37ce3ad8 100644
--- a/include/hw/nmi.h
+++ b/include/hw/nmi.h
@@ -31,7 +31,7 @@
 #define NMI_GET_CLASS(obj) \
     OBJECT_GET_CLASS(NMIClass, (obj), TYPE_NMI)
 #define NMI(obj) \
-     INTERFACE_CHECK(NMI, (obj), TYPE_NMI)
+     INTERFACE_CHECK(NMIState, (obj), TYPE_NMI)
 
 typedef struct NMIState NMIState;
 
diff --git a/softmmu/vl.c b/softmmu/vl.c
index 705ee6f841..5549f4b619 100644
--- a/softmmu/vl.c
+++ b/softmmu/vl.c
@@ -1163,16 +1163,18 @@ static MachineClass *find_machine(const char *name, GSList *machines)
 static MachineClass *find_default_machine(GSList *machines)
 {
     GSList *el;
+    MachineClass *default_machineclass = NULL;
 
     for (el = machines; el; el = el->next) {
         MachineClass *mc = el->data;
 
         if (mc->is_default) {
-            return mc;
+            assert(default_machineclass == NULL && "Multiple default machines");
+            default_machineclass = mc;
         }
     }
 
-    return NULL;
+    return default_machineclass;
 }
 
 static int machine_help_func(QemuOpts *opts, MachineState *machine)