pc: Create pc_compat_2_1() functions

We will need new compat code for the 2.1 machine-types.
Signed-off-by: NEduardo Habkost <ehabkost@redhat.com>
Signed-off-by: NAndreas Färber <afaerber@suse.de>

hw/i386/pc_piix.c

@@ -302,8 +302,13 @@ static void pc_init_pci(MachineState *machine)
     pc_init1(machine, 1, 1);
 }
 
+static void pc_compat_2_1(MachineState *machine)
+{
+}
+
 static void pc_compat_2_0(MachineState *machine)
 {
+    pc_compat_2_1(machine);
     /* This value depends on the actual DSDT and SSDT compiled into
      * the source QEMU; unfortunately it depends on the binary and
      * not on the machine type, so we cannot make pc-i440fx-1.7 work on
@@ -368,6 +373,12 @@ static void pc_compat_1_2(MachineState *machine)
     x86_cpu_compat_disable_kvm_features(FEAT_KVM, KVM_FEATURE_PV_EOI);
 }
 
+static void pc_init_pci_2_1(MachineState *machine)
+{
+    pc_compat_2_1(machine);
+    pc_init_pci(machine);
+}
+
 static void pc_init_pci_2_0(MachineState *machine)
 {
     pc_compat_2_0(machine);
@@ -471,7 +482,7 @@ static QEMUMachine pc_i440fx_machine_v2_2 = {
 static QEMUMachine pc_i440fx_machine_v2_1 = {
     PC_I440FX_2_1_MACHINE_OPTIONS,
     .name = "pc-i440fx-2.1",
-    .init = pc_init_pci,
+    .init = pc_init_pci_2_1,
     .compat_props = (GlobalProperty[]) {
         PC_COMPAT_2_1,
         { /* end of list */ }

hw/i386/pc_q35.c

@@ -281,8 +281,13 @@ static void pc_q35_init(MachineState *machine)
     }
 }
 
+static void pc_compat_2_1(MachineState *machine)
+{
+}
+
 static void pc_compat_2_0(MachineState *machine)
 {
+    pc_compat_2_1(machine);
     smbios_legacy_mode = true;
     has_reserved_memory = false;
     pc_set_legacy_acpi_data_size();
@@ -316,6 +321,12 @@ static void pc_compat_1_4(MachineState *machine)
     x86_cpu_compat_set_features("Westmere", FEAT_1_ECX, 0, CPUID_EXT_PCLMULQDQ);
 }
 
+static void pc_q35_init_2_1(MachineState *machine)
+{
+    pc_compat_2_1(machine);
+    pc_q35_init(machine);
+}
+
 static void pc_q35_init_2_0(MachineState *machine)
 {
     pc_compat_2_0(machine);
@@ -368,7 +379,7 @@ static QEMUMachine pc_q35_machine_v2_2 = {
 static QEMUMachine pc_q35_machine_v2_1 = {
     PC_Q35_2_1_MACHINE_OPTIONS,
     .name = "pc-q35-2.1",
-    .init = pc_q35_init,
+    .init = pc_q35_init_2_1,
     .compat_props = (GlobalProperty[]) {
         PC_COMPAT_2_1,
         { /* end of list */ }