LXR qemu/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-isa.h"
  17#include "hw/char/parallel.h"
  18#include "qapi/error.h"
  19
  20static void parallel_init(ISABus *bus, int index, Chardev *chr)
  21{
  22    DeviceState *dev;
  23    ISADevice *isadev;
  24
  25    isadev = isa_new(TYPE_ISA_PARALLEL);
  26    dev = DEVICE(isadev);
  27    qdev_prop_set_uint32(dev, "index", index);
  28    qdev_prop_set_chr(dev, "chardev", chr);
  29    isa_realize_and_unref(isadev, bus, &error_fatal);
  30}
  31
  32void parallel_hds_isa_init(ISABus *bus, int n)
  33{
  34    int i;
  35
  36    assert(n <= MAX_PARALLEL_PORTS);
  37
  38    for (i = 0; i < n; i++) {
  39        if (parallel_hds[i]) {
  40            parallel_init(bus, i, parallel_hds[i]);
  41        }
  42    }
  43}
  44