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authorBernhard Beschow <shentey@gmail.com>2023-05-19 10:47:33 +0200
committerMichael S. Tsirkin <mst@redhat.com>2023-05-19 10:30:46 -0400
commitf0bc6bf725428860b479cb771e99bb33a3f5847d (patch)
treeeace5e68847209ed95cbde054134f88b3e42dd60 /hw/i386/pc_piix.c
parent547a652fd1e10c2b6a2b9b91084e4c1cea8665a2 (diff)
downloadfocaccia-qemu-f0bc6bf725428860b479cb771e99bb33a3f5847d.tar.gz
focaccia-qemu-f0bc6bf725428860b479cb771e99bb33a3f5847d.zip
hw/i386/pc: Create RTC controllers in south bridges
Just like in the real hardware (and in PIIX4), create the RTC
controllers in the south bridges.

Signed-off-by: Bernhard Beschow <shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Thomas Huth <thuth@redhat.com>
Message-Id: <20230519084734.220480-2-shentey@gmail.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/pc_piix.c')
-rw-r--r--hw/i386/pc_piix.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 1acf02e711..34e81b79d0 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -32,6 +32,7 @@
 #include "hw/i386/pc.h"
 #include "hw/i386/apic.h"
 #include "hw/pci-host/i440fx.h"
+#include "hw/rtc/mc146818rtc.h"
 #include "hw/southbridge/piix.h"
 #include "hw/display/ramfb.h"
 #include "hw/firmware/smbios.h"
@@ -240,10 +241,17 @@ static void pc_init1(MachineState *machine,
         piix3->pic = x86ms->gsi;
         piix3_devfn = piix3->dev.devfn;
         isa_bus = ISA_BUS(qdev_get_child_bus(DEVICE(piix3), "isa.0"));
+        rtc_state = ISA_DEVICE(object_resolve_path_component(OBJECT(pci_dev),
+                                                             "rtc"));
     } else {
         pci_bus = NULL;
         isa_bus = isa_bus_new(NULL, system_memory, system_io,
                               &error_abort);
+
+        rtc_state = isa_new(TYPE_MC146818_RTC);
+        qdev_prop_set_int32(DEVICE(rtc_state), "base_year", 2000);
+        isa_realize_and_unref(rtc_state, isa_bus, &error_fatal);
+
         i8257_dma_init(isa_bus, 0);
         pcms->hpet_enabled = false;
     }