diff options
Diffstat (limited to 'hw/parallel.c')
| -rw-r--r-- | hw/parallel.c | 23 |
1 files changed, 17 insertions, 6 deletions
diff --git a/hw/parallel.c b/hw/parallel.c index 92eecb1528..79fa8f66b4 100644 --- a/hw/parallel.c +++ b/hw/parallel.c @@ -80,6 +80,7 @@ struct ParallelState { typedef struct ISAParallelState { ISADevice dev; + uint32_t index; uint32_t iobase; uint32_t isairq; ParallelState state; @@ -445,11 +446,14 @@ static void parallel_reset(void *opaque) 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 @@ static int parallel_isa_initfn(ISADevice *dev) 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 @@ static int parallel_isa_initfn(ISADevice *dev) 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 @@ static ISADeviceInfo parallel_isa_info = { .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(), |