piix: symbolic constants

No functional changes. I verified that the generated binary
does not change.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Acked-by: Juan Quintela <quintela@redhat.com>
Acked-by: Glauber Costa <glommer@gmail.com>
This commit is contained in:
Michael S. Tsirkin 2009-12-10 18:18:19 +02:00
parent 508cc6b466
commit 1e68f8c4a6

View file

@ -107,10 +107,13 @@ static void piix3_reset(void *opaque)
ide_dma_reset(&d->bmdma[i]);
}
pci_conf[0x04] = 0x00;
pci_conf[0x05] = 0x00;
pci_conf[0x06] = 0x80; /* FBC */
pci_conf[0x07] = 0x02; // PCI_status_devsel_medium
/* TODO: this is the default. do not override. */
pci_conf[PCI_COMMAND] = 0x00;
/* TODO: this is the default. do not override. */
pci_conf[PCI_COMMAND + 1] = 0x00;
/* TODO: use pci_set_word */
pci_conf[PCI_STATUS] = PCI_STATUS_FAST_BACK;
pci_conf[PCI_STATUS + 1] = PCI_STATUS_DEVSEL_MEDIUM >> 8;
pci_conf[0x20] = 0x01; /* BMIBA: 20-23h */
}
@ -118,7 +121,7 @@ static int pci_piix_ide_initfn(PCIIDEState *d)
{
uint8_t *pci_conf = d->dev.config;
pci_conf[0x09] = 0x80; // legacy ATA mode
pci_conf[PCI_CLASS_PROG] = 0x80; // legacy ATA mode
pci_config_set_class(pci_conf, PCI_CLASS_STORAGE_IDE);
pci_conf[PCI_HEADER_TYPE] = PCI_HEADER_TYPE_NORMAL; // header_type