diff options
Diffstat (limited to 'hw/char/parallel.c')
| -rw-r--r-- | hw/char/parallel.c | 7 |
1 files changed, 5 insertions, 2 deletions
diff --git a/hw/char/parallel.c b/hw/char/parallel.c index 11c78fed88..da22e36356 100644 --- a/hw/char/parallel.c +++ b/hw/char/parallel.c @@ -80,6 +80,7 @@ typedef struct ParallelState { uint32_t last_read_offset; /* For debugging */ /* Memory-mapped interface */ int it_shift; + PortioList portio_list; } ParallelState; #define TYPE_ISA_PARALLEL "isa-parallel" @@ -128,7 +129,9 @@ parallel_ioport_write_sw(void *opaque, uint32_t addr, uint32_t val) if (val & PARA_CTR_STROBE) { s->status &= ~PARA_STS_BUSY; if ((s->control & PARA_CTR_STROBE) == 0) - qemu_chr_fe_write(s->chr, &s->dataw, 1); + /* XXX this blocks entire thread. Rewrite to use + * qemu_chr_fe_write and background I/O callbacks */ + qemu_chr_fe_write_all(s->chr, &s->dataw, 1); } else { if (s->control & PARA_CTR_INTEN) { s->irq_pending = 1; @@ -532,7 +535,7 @@ static void parallel_isa_realizefn(DeviceState *dev, Error **errp) s->status = dummy; } - isa_register_portio_list(isadev, base, + isa_register_portio_list(isadev, &s->portio_list, base, (s->hw_driver ? &isa_parallel_portio_hw_list[0] : &isa_parallel_portio_sw_list[0]), |