diff --git a/hw/arm/virt.c b/hw/arm/virt.c
index b87135085610..2a46660980e7 100644
--- a/hw/arm/virt.c
+++ b/hw/arm/virt.c
@@ -3096,10 +3096,17 @@ static void machvirt_machine_init(void)
 }
 type_init(machvirt_machine_init);
 
+static void virt_machine_8_0_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE_AS_LATEST(8, 0)
+
 static void virt_machine_7_2_options(MachineClass *mc)
 {
+    virt_machine_8_0_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len);
 }
-DEFINE_VIRT_MACHINE_AS_LATEST(7, 2)
+DEFINE_VIRT_MACHINE(7, 2)
 
 static void virt_machine_7_1_options(MachineClass *mc)
 {
diff --git a/hw/core/machine.c b/hw/core/machine.c
index 8d34caa31dc8..0592ae7e4850 100644
--- a/hw/core/machine.c
+++ b/hw/core/machine.c
@@ -40,6 +40,9 @@
 #include "hw/virtio/virtio-pci.h"
 #include "qom/object_interfaces.h"
 
+GlobalProperty hw_compat_7_2[] = {};
+const size_t hw_compat_7_2_len = G_N_ELEMENTS(hw_compat_7_2);
+
 GlobalProperty hw_compat_7_1[] = {
     { "virtio-device", "queue_reset", "false" },
 };
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 546b703cb42c..9aeff77e9dca 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -107,6 +107,9 @@
     { "qemu64-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },\
     { "athlon-" TYPE_X86_CPU, "model-id", "QEMU Virtual CPU version " v, },
 
+GlobalProperty pc_compat_7_2[] = {};
+const size_t pc_compat_7_2_len = G_N_ELEMENTS(pc_compat_7_2);
+
 GlobalProperty pc_compat_7_1[] = {};
 const size_t pc_compat_7_1_len = G_N_ELEMENTS(pc_compat_7_1);
 
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 0ad0ed160387..1c0a7b83b545 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -435,7 +435,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
 }
 
-static void pc_i440fx_7_2_machine_options(MachineClass *m)
+static void pc_i440fx_8_0_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_i440fx_machine_options(m);
@@ -444,6 +444,18 @@ static void pc_i440fx_7_2_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_I440FX_MACHINE(v8_0, "pc-i440fx-8.0", NULL,
+                      pc_i440fx_8_0_machine_options);
+
+static void pc_i440fx_7_2_machine_options(MachineClass *m)
+{
+    pc_i440fx_8_0_machine_options(m);
+    m->alias = NULL;
+    m->is_default = false;
+    compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
+    compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
+}
+
 DEFINE_I440FX_MACHINE(v7_2, "pc-i440fx-7.2", NULL,
                       pc_i440fx_7_2_machine_options);
 
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index a496bd6e74f5..10bb49f679b0 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -370,7 +370,7 @@ static void pc_q35_machine_options(MachineClass *m)
     m->max_cpus = 288;
 }
 
-static void pc_q35_7_2_machine_options(MachineClass *m)
+static void pc_q35_8_0_machine_options(MachineClass *m)
 {
     PCMachineClass *pcmc = PC_MACHINE_CLASS(m);
     pc_q35_machine_options(m);
@@ -378,6 +378,17 @@ static void pc_q35_7_2_machine_options(MachineClass *m)
     pcmc->default_cpu_version = 1;
 }
 
+DEFINE_Q35_MACHINE(v8_0, "pc-q35-8.0", NULL,
+                   pc_q35_8_0_machine_options);
+
+static void pc_q35_7_2_machine_options(MachineClass *m)
+{
+    pc_q35_8_0_machine_options(m);
+    m->alias = NULL;
+    compat_props_add(m->compat_props, hw_compat_7_2, hw_compat_7_2_len);
+    compat_props_add(m->compat_props, pc_compat_7_2, pc_compat_7_2_len);
+}
+
 DEFINE_Q35_MACHINE(v7_2, "pc-q35-7.2", NULL,
                    pc_q35_7_2_machine_options);
 
diff --git a/hw/m68k/virt.c b/hw/m68k/virt.c
index da5eafd2756f..4cb5beef1a0c 100644
--- a/hw/m68k/virt.c
+++ b/hw/m68k/virt.c
@@ -346,10 +346,17 @@ type_init(virt_machine_register_types)
     } \
     type_init(machvirt_machine_##major##_##minor##_init);
 
+static void virt_machine_8_0_options(MachineClass *mc)
+{
+}
+DEFINE_VIRT_MACHINE(8, 0, true)
+
 static void virt_machine_7_2_options(MachineClass *mc)
 {
+    virt_machine_8_0_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len);
 }
-DEFINE_VIRT_MACHINE(7, 2, true)
+DEFINE_VIRT_MACHINE(7, 2, false)
 
 static void virt_machine_7_1_options(MachineClass *mc)
 {
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c
index 66b414d2e9ba..da9c84c1198f 100644
--- a/hw/ppc/spapr.c
+++ b/hw/ppc/spapr.c
@@ -4733,15 +4733,26 @@ static void spapr_machine_latest_class_options(MachineClass *mc)
     }                                                                \
     type_init(spapr_machine_register_##suffix)
 
+/*
+ * pseries-8.0
+ */
+static void spapr_machine_8_0_class_options(MachineClass *mc)
+{
+    /* Defaults for the latest behaviour inherited from the base class */
+}
+
+DEFINE_SPAPR_MACHINE(8_0, "8.0", true);
+
 /*
  * pseries-7.2
  */
 static void spapr_machine_7_2_class_options(MachineClass *mc)
 {
-    /* Defaults for the latest behaviour inherited from the base class */
+    spapr_machine_8_0_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len);
 }
 
-DEFINE_SPAPR_MACHINE(7_2, "7.2", true);
+DEFINE_SPAPR_MACHINE(7_2, "7.2", false);
 
 /*
  * pseries-7.1
diff --git a/hw/s390x/s390-virtio-ccw.c b/hw/s390x/s390-virtio-ccw.c
index 2e64ffab45ef..325e0cfa6560 100644
--- a/hw/s390x/s390-virtio-ccw.c
+++ b/hw/s390x/s390-virtio-ccw.c
@@ -823,14 +823,26 @@ bool css_migration_enabled(void)
     }                                                                         \
     type_init(ccw_machine_register_##suffix)
 
+static void ccw_machine_8_0_instance_options(MachineState *machine)
+{
+}
+
+static void ccw_machine_8_0_class_options(MachineClass *mc)
+{
+}
+DEFINE_CCW_MACHINE(8_0, "8.0", true);
+
 static void ccw_machine_7_2_instance_options(MachineState *machine)
 {
+    ccw_machine_8_0_instance_options(machine);
 }
 
 static void ccw_machine_7_2_class_options(MachineClass *mc)
 {
+    ccw_machine_8_0_class_options(mc);
+    compat_props_add(mc->compat_props, hw_compat_7_2, hw_compat_7_2_len);
 }
-DEFINE_CCW_MACHINE(7_2, "7.2", true);
+DEFINE_CCW_MACHINE(7_2, "7.2", false);
 
 static void ccw_machine_7_1_instance_options(MachineState *machine)
 {
diff --git a/include/hw/boards.h b/include/hw/boards.h
index 90f1dd3aeb79..d18d6d007335 100644
--- a/include/hw/boards.h
+++ b/include/hw/boards.h
@@ -379,6 +379,9 @@ struct MachineState {
     } \
     type_init(machine_initfn##_register_types)
 
+extern GlobalProperty hw_compat_7_2[];
+extern const size_t hw_compat_7_2_len;
+
 extern GlobalProperty hw_compat_7_1[];
 extern const size_t hw_compat_7_1_len;
 
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index c95333514ed3..991f905f5d25 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -200,6 +200,9 @@ void pc_madt_cpu_entry(AcpiDeviceIf *adev, int uid,
 /* sgx.c */
 void pc_machine_init_sgx_epc(PCMachineState *pcms);
 
+extern GlobalProperty pc_compat_7_2[];
+extern const size_t pc_compat_7_2_len;
+
 extern GlobalProperty pc_compat_7_1[];
 extern const size_t pc_compat_7_1_len;
 
