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isa: implement isa_is_ioport_assigned via memory_region_find

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Open-code isa_is_ioport_assigned via a memory region lookup. As all IO
ports are now directly or indirectly registered via the memory API, this
becomes possible and will finally allow us to drop the ioport tables.

Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
This commit is contained in:
Jan Kiszka 2013-06-22 08:07:01 +02:00 • committed by Paolo Bonzini
parent 8ab9b41876
commit b6f3296292
4 changed files with 10 additions and 16 deletions
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9
hw/acpi/piix4.c
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@ -383,14 +383,15 @@ static void piix4_pm_powerdown_req(Notifier *n, void *opaque)
static void piix4_pm_machine_ready(Notifier *n, void *opaque)
{
PIIX4PMState *s = container_of(n, PIIX4PMState, machine_ready);
MemoryRegion *io_as = pci_address_space_io(&s->dev);
uint8_t *pci_conf;
pci_conf = s->dev.config;
pci_conf[0x5f] = (isa_is_ioport_assigned(0x378) ? 0x80 : 0) | 0x10;
pci_conf[0x5f] = 0x10 |
(memory_region_find(io_as, 0x378, 1).mr ? 0x80 : 0);
pci_conf[0x63] = 0x60;
pci_conf[0x67] = (isa_is_ioport_assigned(0x3f8) ? 0x08 : 0) |
(isa_is_ioport_assigned(0x2f8) ? 0x90 : 0);
pci_conf[0x67] = (memory_region_find(io_as, 0x3f8, 1).mr ? 0x08 : 0) |
(memory_region_find(io_as, 0x2f8, 1).mr ? 0x90 : 0);
}
static int piix4_pm_initfn(PCIDevice *dev)