[RFC PATCH 3/3] hw/i386: Add the possibility to use i440fx and isapc without FDC

[Thomas Huth]

The i440fx and the isapc machines can be used in binaries without
FDC, too. We just have to make sure that they don't try to instantiate
the FDC when it is not available.

Signed-off-by: Thomas Huth <thuth@redhat.com>
---
 hw/i386/pc_piix.c | 6 ++++--
 hw/i386/Kconfig   | 2 --
 2 files changed, 4 insertions(+), 4 deletions(-)

diff --git a/hw/i386/pc_piix.c b/hw/i386/pc_piix.c
index 8850c49c66..99efb3c45c 100644
--- a/hw/i386/pc_piix.c
+++ b/hw/i386/pc_piix.c
@@ -317,8 +317,8 @@ static void pc_init1(MachineState *machine, const char 
*pci_type)
     }
 
     /* init basic PC hardware */
-    pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc, true,
-                         0x4);
+    pc_basic_device_init(pcms, isa_bus, x86ms->gsi, x86ms->rtc,
+                         !MACHINE_CLASS(pcmc)->no_floppy, 0x4);
 
     pc_nic_init(pcmc, isa_bus, pcms->pcibus);
 
@@ -501,6 +501,7 @@ static void pc_i440fx_machine_options(MachineClass *m)
     m->default_machine_opts = "firmware=bios-256k.bin";
     m->default_display = "std";
     m->default_nic = "e1000";
+    m->no_floppy = !module_object_class_by_name(TYPE_ISA_FDC);
     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_RAMFB_DEVICE);
     machine_class_allow_dynamic_sysbus_dev(m, TYPE_VMBUS_BRIDGE);
@@ -931,6 +932,7 @@ static void isapc_machine_options(MachineClass *m)
     pcmc->has_reserved_memory = false;
     m->default_nic = "ne2k_isa";
     m->default_cpu_type = X86_CPU_TYPE_NAME("486");
+    m->no_floppy = !module_object_class_by_name(TYPE_ISA_FDC);
     m->no_parallel = !module_object_class_by_name(TYPE_ISA_PARALLEL);
 }
 
diff --git a/hw/i386/Kconfig b/hw/i386/Kconfig
index 0b08580862..f2ef6d1ef2 100644
--- a/hw/i386/Kconfig
+++ b/hw/i386/Kconfig
@@ -70,7 +70,6 @@ config I440FX
     imply VMPORT
     imply VMMOUSE
     select ACPI_PIIX4
-    select FDC_ISA
     select PC_PCI
     select PC_ACPI
     select PCI_I440FX
@@ -84,7 +83,6 @@ config ISAPC
     bool
     imply VGA_ISA
     select ISA_BUS
-    select FDC_ISA
     select PC
     select IDE_ISA
     # FIXME: it is in the same file as i440fx, and does not compile
-- 
2.44.0