qemu-patch-raspberry4/hw/char/parallel-isa.c
Thomas Huth 3e3fdad6e1 hw/char/parallel: Make it possible to compile also without CONFIG_PARALLEL
For the downstream distribution of QEMU, we want to compile without
CONFIG_PARALLEL. Commit 9157eee1b1 already moved the function
parallel_hds_isa_init() (which is still required for linking) into a file
that is included anyway, but commit bb3d5ea858 moved it
to a separate file which is only compiled again if CONFIG_PARALLEL is
set. To be able to link QEMU again without CONFIG_PARALLEL, the file
should be considered for linking for all targets that have CONFIG_ISA_BUS.
And while we're at it, add a proper comment in there with the rationale
for the separate file.

Signed-off-by: Thomas Huth <thuth@redhat.com>
Message-Id: <1552297854-25847-1-git-send-email-thuth@redhat.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
2019-03-18 09:39:57 +01:00

40 lines
906 B
C

/*
* QEMU Parallel PORT (ISA bus helpers)
*
* These functions reside in a separate file since they also might be
* required for linking when compiling QEMU without CONFIG_PARALLEL.
*
* Copyright (c) 2003 Fabrice Bellard
*
* SPDX-License-Identifier: MIT
*/
#include "qemu/osdep.h"
#include "sysemu/sysemu.h"
#include "hw/isa/isa.h"
#include "hw/char/parallel.h"
static void parallel_init(ISABus *bus, int index, Chardev *chr)
{
DeviceState *dev;
ISADevice *isadev;
isadev = isa_create(bus, "isa-parallel");
dev = DEVICE(isadev);
qdev_prop_set_uint32(dev, "index", index);
qdev_prop_set_chr(dev, "chardev", chr);
qdev_init_nofail(dev);
}
void parallel_hds_isa_init(ISABus *bus, int n)
{
int i;
assert(n <= MAX_PARALLEL_PORTS);
for (i = 0; i < n; i++) {
if (parallel_hds[i]) {
parallel_init(bus, i, parallel_hds[i]);
}
}
}