hw/char/parallel-isa.c

   1 /*
   2  * QEMU Parallel PORT (ISA bus helpers)
   3  *
   4  * These functions reside in a separate file since they also might be
   5  * required for linking when compiling QEMU without CONFIG_PARALLEL.
   6  *
   7  * Copyright (c) 2003 Fabrice Bellard
   8  *
   9  * SPDX-License-Identifier: MIT
  10  */
  11
  12 #include "qemu/osdep.h"
  13 #include "sysemu/sysemu.h"
  14 #include "hw/isa/isa.h"
  15 #include "hw/qdev-properties.h"
  16 #include "hw/char/parallel.h"
  17 #include "qapi/error.h"
  18
  19 static void parallel_init(ISABus *bus, int index, Chardev *chr)
  20 {
  21     DeviceState *dev;
  22     ISADevice *isadev;
  23
  24     isadev = isa_new("isa-parallel");
  25     dev = DEVICE(isadev);
  26     qdev_prop_set_uint32(dev, "index", index);
  27     qdev_prop_set_chr(dev, "chardev", chr);
  28     isa_realize_and_unref(isadev, bus, &error_fatal);
  29 }
  30
  31 void parallel_hds_isa_init(ISABus *bus, int n)
  32 {
  33     int i;
  34
  35     assert(n <= MAX_PARALLEL_PORTS);
  36
  37     for (i = 0; i < n; i++) {
  38         if (parallel_hds[i]) {
  39             parallel_init(bus, i, parallel_hds[i]);
  40         }
  41     }
  42 }