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Generate PCI hotplug interrupt only if corespondent EN bit is set. (Gleb Natapov)

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Signed-off-by: Gleb Natapov <gleb@redhat.com>
Signed-off-by: Anthony Liguori <aliguori@us.ibm.com>


git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@6625 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
aliguori 2009-02-16 15:36:08 +00:00
parent 6eb011b038
commit 1f0711e298
1 changed files with 4 additions and 4 deletions
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8
hw/acpi.c
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@ -724,25 +724,25 @@ void qemu_system_hot_add_init(void)
static void enable_device(struct pci_status *p, struct gpe_regs *g, int slot)
{
g->sts |= 2;
g->en |= 2;
p->up |= (1 << slot);
}
static void disable_device(struct pci_status *p, struct gpe_regs *g, int slot)
{
g->sts |= 2;
g->en |= 2;
p->down |= (1 << slot);
}
void qemu_system_device_hot_add(int bus, int slot, int state)
{
qemu_set_irq(pm_state->irq, 1);
pci0_status.up = 0;
pci0_status.down = 0;
if (state)
enable_device(&pci0_status, &gpe, slot);
else
disable_device(&pci0_status, &gpe, slot);
qemu_set_irq(pm_state->irq, 0);
if (gpe.en & 2) {
qemu_set_irq(pm_state->irq, 1);
qemu_set_irq(pm_state->irq, 0);
}
}