diff options
Diffstat (limited to 'hw/char/parallel.c')
| -rw-r--r-- | hw/char/parallel.c | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/hw/char/parallel.c b/hw/char/parallel.c index fa085667ff..da22e36356 100644 --- a/hw/char/parallel.c +++ b/hw/char/parallel.c @@ -129,7 +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; |