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qdev: Implement named GPIOs

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Implement named GPIOs on the Device layer. Listifies the existing GPIOs
stuff using string keys. Legacy un-named GPIOs are preserved by using
a NULL name string - they are just a single matchable element in the
name list.

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Peter Crosthwaite 2014-05-19 23:30:58 -07:00 • committed by Andreas Färber
parent 6b1b144019
commit a5f54290ce
4 changed files with 120 additions and 24 deletions
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19
qtest.c
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@ -233,7 +233,8 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
g_assert(command);
if (strcmp(words[0], "irq_intercept_out") == 0
|| strcmp(words[0], "irq_intercept_in") == 0) {
DeviceState *dev;
DeviceState *dev;
NamedGPIOList *ngl;
g_assert(words[1]);
dev = DEVICE(object_resolve_path(words[1], NULL));
@ -253,10 +254,18 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
return;
}
if (words[0][14] == 'o') {
qemu_irq_intercept_out(&dev->gpio_out, qtest_irq_handler, dev->num_gpio_out);
} else {
qemu_irq_intercept_in(dev->gpio_in, qtest_irq_handler, dev->num_gpio_in);
QLIST_FOREACH(ngl, &dev->gpios, node) {
/* We don't support intercept of named GPIOs yet */
if (ngl->name) {
continue;
}
if (words[0][14] == 'o') {
qemu_irq_intercept_out(&ngl->out, qtest_irq_handler,
ngl->num_out);
} else {
qemu_irq_intercept_in(ngl->in, qtest_irq_handler,
ngl->num_in);
}
}
irq_intercept_dev = dev;
qtest_send_prefix(chr);