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/qemu-pc9821/qemu/hw/parallel.c @ 78  →  /qemu-pc9821/qemu/hw/parallel.c @ 79
/qemu-pc9821/qemu/hw/parallel.c
@@ -80,6 +80,7 @@
 
typedef struct ISAParallelState {
ISADevice dev;
uint32_t index;
uint32_t iobase;
uint32_t isairq;
ParallelState state;
@@ -445,11 +446,14 @@
s->last_read_offset = ~0U;
}
 
static const int isa_parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
 
static int parallel_isa_initfn(ISADevice *dev)
{
static int index;
ISAParallelState *isa = DO_UPCAST(ISAParallelState, dev, dev);
ParallelState *s = &isa->state;
int base = isa->iobase;
int base;
uint8_t dummy;
 
if (!s->chr) {
@@ -457,6 +461,15 @@
exit(1);
}
 
if (isa->index == -1)
isa->index = index;
if (isa->index >= MAX_PARALLEL_PORTS)
return -1;
if (isa->iobase == -1)
isa->iobase = isa_parallel_io[isa->index];
index++;
 
base = isa->iobase;
isa_init_irq(dev, &s->irq, isa->isairq);
parallel_reset(s);
qemu_register_reset(parallel_reset, s);
@@ -483,15 +496,12 @@
return 0;
}
 
static const int isa_parallel_io[MAX_PARALLEL_PORTS] = { 0x378, 0x278, 0x3bc };
 
ParallelState *parallel_init(int index, CharDriverState *chr)
{
ISADevice *dev;
 
dev = isa_create("isa-parallel");
qdev_prop_set_uint32(&dev->qdev, "iobase", isa_parallel_io[index]);
qdev_prop_set_uint32(&dev->qdev, "irq", 7);
qdev_prop_set_uint32(&dev->qdev, "index", index);
qdev_prop_set_chr(&dev->qdev, "chardev", chr);
if (qdev_init(&dev->qdev) < 0)
return NULL;
@@ -579,7 +589,8 @@
.qdev.size = sizeof(ISAParallelState),
.init = parallel_isa_initfn,
.qdev.props = (Property[]) {
DEFINE_PROP_HEX32("iobase", ISAParallelState, iobase, 0x378),
DEFINE_PROP_HEX32("index", ISAParallelState, index, -1),
DEFINE_PROP_HEX32("iobase", ISAParallelState, iobase, -1),
DEFINE_PROP_UINT32("irq", ISAParallelState, isairq, 7),
DEFINE_PROP_CHR("chardev", ISAParallelState, state.chr),
DEFINE_PROP_END_OF_LIST(),