qemu

FORK: QEMU emulator
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parallel-isa.c (982B)

      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 }