Merge tag 'for_upstream' of https://git.kernel.org/pub/scm/virt/kvm/mst/qemu into...

[mirror_qemu.git] / hw / i386 / pc.c

diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index f7ee638becf48b1c132e57c514c7df73cb869310..11fed78d17823178ccdaf343c6a99b04b4f89bf3 100644 (file)
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -781,10 +781,12 @@ static void pc_get_device_memory_range(PCMachineState *pcms,
 static uint64_t pc_get_cxl_range_start(PCMachineState *pcms)
 {
     PCMachineClass *pcmc = PC_MACHINE_GET_CLASS(pcms);
+    MachineState *ms = MACHINE(pcms);
     hwaddr cxl_base;
     ram_addr_t size;
 
-    if (pcmc->has_reserved_memory) {
+    if (pcmc->has_reserved_memory &&
+        (ms->ram_size < ms->maxram_size)) {
         pc_get_device_memory_range(pcms, &cxl_base, &size);
         cxl_base += size;
     } else {
@@ -1199,7 +1201,6 @@ void pc_basic_device_init(struct PCMachineState *pcms,
     DeviceState *hpet = NULL;
     int pit_isa_irq = 0;
     qemu_irq pit_alt_irq = NULL;
-    qemu_irq rtc_irq = NULL;
     ISADevice *pit = NULL;
     MemoryRegion *ioport80_io = g_new(MemoryRegion, 1);
     MemoryRegion *ioportF0_io = g_new(MemoryRegion, 1);
@@ -1219,6 +1220,8 @@ void pc_basic_device_init(struct PCMachineState *pcms,
      */
     if (pcms->hpet_enabled && (!kvm_irqchip_in_kernel() ||
                                kvm_has_pit_state2())) {
+        qemu_irq rtc_irq;
+
         hpet = qdev_try_new(TYPE_HPET);
         if (!hpet) {
             error_report("couldn't create HPET device");
@@ -1243,16 +1246,11 @@ void pc_basic_device_init(struct PCMachineState *pcms,
         pit_isa_irq = -1;
         pit_alt_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_PIT_INT);
         rtc_irq = qdev_get_gpio_in(hpet, HPET_LEGACY_RTC_INT);
-    }
 
-    if (rtc_irq) {
+        /* overwrite connection created by south bridge */
         qdev_connect_gpio_out(DEVICE(rtc_state), 0, rtc_irq);
-    } else {
-        uint32_t irq = object_property_get_uint(OBJECT(rtc_state),
-                                                "irq",
-                                                &error_fatal);
-        isa_connect_gpio_out(rtc_state, 0, irq);
     }
+
     object_property_add_alias(OBJECT(pcms), "rtc-time", OBJECT(rtc_state),
                               "date");
 
@@ -1712,6 +1710,7 @@ static void pc_machine_initfn(Object *obj)
 #endif /* CONFIG_VMPORT */
     pcms->max_ram_below_4g = 0; /* use default */
     pcms->smbios_entry_point_type = pcmc->default_smbios_ep_type;
+    pcms->south_bridge = pcmc->default_south_bridge;
 
     /* acpi build is enabled by default if machine supports it */
     pcms->acpi_build_enabled = pcmc->has_acpi_build;