QEMU currently aborts if you try to use the device at the command line: $ ppc64-softmmu/qemu-system-ppc64 -S -machine prep -device pc87312 Unexpected error in qemu_chr_fe_init() at chardev/char-fe.c:222: qemu-system-ppc64: -device pc87312: Device 'parallel0' is in use Aborted (core dumped)
It uses parallel_hds in its realize function, so I can not be instantiated by the user again. Signed-off-by: Thomas Huth <th...@redhat.com> --- hw/isa/pc87312.c | 2 ++ 1 file changed, 2 insertions(+) diff --git a/hw/isa/pc87312.c b/hw/isa/pc87312.c index 5ce9f0a..48b29e3 100644 --- a/hw/isa/pc87312.c +++ b/hw/isa/pc87312.c @@ -386,6 +386,8 @@ static void pc87312_class_init(ObjectClass *klass, void *data) dc->reset = pc87312_reset; dc->vmsd = &vmstate_pc87312; dc->props = pc87312_properties; + /* Reason: Uses parallel_hds[0] in realize(), so it can't be used twice */ + dc->user_creatable = false; } static const TypeInfo pc87312_type_info = { -- 1.8.3.1