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qtest/irq: Rework IRQ interception 

Change the qtest intercept handler to accept just the individual IRQ
being intercepted as opaque. n is still expected to be correctly set
as for the original intercepted irq. qemu_intercept_irq_in is updated
accordingly.

Then covert the qemu_irq_intercept_out call to use qdev intercept
version. This stops qtest from having to mess with the raw IRQ pointers
(still has to mess with names and counts but a step in the right
direction).

Reviewed-by: Alexander Graf <agraf@suse.de>
Signed-off-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Peter Crosthwaite 2014-09-25 22:21:31 -07:00 committed by Paolo Bonzini
parent 0c24db2b8c
commit 60a79016ae
2 changed files with 12 additions and 5 deletions
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2
hw/core/irq.c
View File

@ -140,7 +140,7 @@ void qemu_irq_intercept_in(qemu_irq *gpio_in, qemu_irq_handler handler, int n)
for (i = 0; i < n; i++) {
*old_irqs[i] = *gpio_in[i];
gpio_in[i]->handler = handler;
gpio_in[i]->opaque = old_irqs;
gpio_in[i]->opaque = &old_irqs[i];
}
}

15
qtest.c
View File

@ -201,8 +201,8 @@ static void GCC_FMT_ATTR(2, 3) qtest_send(CharDriverState *chr,
static void qtest_irq_handler(void *opaque, int n, int level)
{
qemu_irq *old_irqs = opaque;
qemu_set_irq(old_irqs[n], level);
qemu_irq old_irq = *(qemu_irq *)opaque;
qemu_set_irq(old_irq, level);
if (irq_levels[n] != level) {
CharDriverState *chr = qtest_chr;
@ -264,8 +264,15 @@ static void qtest_process_command(CharDriverState *chr, gchar **words)
continue;
}
if (words[0][14] == 'o') {
qemu_irq_intercept_out(&ngl->out, qtest_irq_handler,
ngl->num_out);
int i;
for (i = 0; i < ngl->num_out; ++i) {
qemu_irq *disconnected = g_new0(qemu_irq, 1);
qemu_irq icpt = qemu_allocate_irq(qtest_irq_handler,
disconnected, i);
*disconnected = qdev_intercept_gpio_out(dev, icpt,
ngl->name, i);
}
} else {
qemu_irq_intercept_in(ngl->in, qtest_irq_handler,
ngl->num_in);