[PATCH v5 1/3] hw/i386/pc: Refactor logic to set SMBIOS defaults

[Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>]

Into a helper function pc_machine_init_smbios() in preparation for
subsequent code to upgrade default SMBIOS entry point type.

Then, call the helper function from the pc_machine_initfn() to eliminate
duplicate code in pc_q35.c and pc_pixx.c. However, this changes the
ordering of when the smbios_set_defaults() is called to before
pc_machine_set_smbios_ep() (i.e. before handling the user specified
QEMU option "-M ...,smbios-entry-point-type=[32|64]" to override
the default type.)

Therefore, also call the helper function in pc_machine_set_smbios_ep()
to update the defaults.

There is no functional change.

Signed-off-by: Suravee Suthikulpanit <suravee.suthikulpanit@amd.com>
---
 hw/i386/pc.c      | 24 +++++++++++++++++++++++-
 hw/i386/pc_piix.c |  9 ---------
 hw/i386/pc_q35.c  |  8 --------
 3 files changed, 23 insertions(+), 18 deletions(-)

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index bb62c994fa..b720dc67b6 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1756,6 +1756,22 @@ static void pc_machine_set_default_bus_bypass_iommu(Object *obj, bool value,
     pcms->default_bus_bypass_iommu = value;
 }
 
+static void pc_machine_init_smbios(PCMachineState *pcms)
+{
+    PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
+    MachineClass *mc = MACHINE_GET_CLASS(pcms);
+
+    if (!pcmc->smbios_defaults) {
+        return;
+    }
+
+    /* These values are guest ABI, do not change */
+    smbios_set_defaults("QEMU", mc->desc,
+                        mc->name, pcmc->smbios_legacy_mode,
+                        pcmc->smbios_uuid_encoded,
+                        pcms->smbios_entry_point_type);
+}
+
 static void pc_machine_get_smbios_ep(Object *obj, Visitor *v, const char *name,
                                      void *opaque, Error **errp)
 {
@@ -1768,9 +1784,14 @@ static void pc_machine_get_smbios_ep(Object *obj, Visitor *v, const char *name,
 static void pc_machine_set_smbios_ep(Object *obj, Visitor *v, const char *name,
                                      void *opaque, Error **errp)
 {
+    SmbiosEntryPointType ep_type;
     PCMachineState *pcms = PC_MACHINE(obj);
 
-    visit_type_SmbiosEntryPointType(v, name, &pcms->smbios_entry_point_type, errp);
+    if (!visit_type_SmbiosEntryPointType(v, name, &ep_type, errp)) {
+        return;
+    }
+    pcms->smbios_entry_point_type = ep_type;
+    pc_machine_init_smbios(pcms);
 }
 
 static void pc_machine_get_max_ram_below_4g(Object *obj, Visitor *v,
@@ -1878,6 +1899,7 @@ static void pc_machine_initfn(Object *obj)
     object_property_add_alias(OBJECT(pcms), "pcspk-audiodev",
                               OBJECT(pcms->pcspk), "audiodev");
     cxl_machine_init(obj, &pcms->cxl_devices_state);
+    pc_machine_init_smbios(pcms);
 }
 
 int pc_machine_kvm_type(MachineState *machine, const char *kvm_type)
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index d5b0dcd1fe..da6ba4eeb4 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -198,15 +198,6 @@ static void pc_init1(MachineState *machine,
 
     pc_guest_info_init(pcms);
 
-    if (pcmc->smbios_defaults) {
-        MachineClass *mc = MACHINE_GET_CLASS(machine);
-        /* These values are guest ABI, do not change */
-        smbios_set_defaults("QEMU", mc->desc,
-                            mc->name, pcmc->smbios_legacy_mode,
-                            pcmc->smbios_uuid_encoded,
-                            pcms->smbios_entry_point_type);
-    }
-
     /* allocate ram and load rom/bios */
     if (!xen_enabled()) {
         pc_memory_init(pcms, system_memory, rom_memory, hole64_size);
diff --git a/hw/i386/pc_q35.c b/hw/i386/pc_q35.c
index 6155427e48..a58cd1d3ea 100644
--- a/hw/i386/pc_q35.c
+++ b/hw/i386/pc_q35.c
@@ -198,14 +198,6 @@ static void pc_q35_init(MachineState *machine)
 
     pc_guest_info_init(pcms);
 
-    if (pcmc->smbios_defaults) {
-        /* These values are guest ABI, do not change */
-        smbios_set_defaults("QEMU", mc->desc,
-                            mc->name, pcmc->smbios_legacy_mode,
-                            pcmc->smbios_uuid_encoded,
-                            pcms->smbios_entry_point_type);
-    }
-
     /* create pci host bus */
     q35_host = Q35_HOST_DEVICE(qdev_new(TYPE_Q35_HOST_DEVICE));
 
-- 
2.34.1