| 518 |
518 |
dev->wmask[PCI_CACHE_LINE_SIZE] = 0xff;
|
| 519 |
519 |
dev->wmask[PCI_INTERRUPT_LINE] = 0xff;
|
| 520 |
520 |
pci_set_word(dev->wmask + PCI_COMMAND,
|
| 521 |
|
PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER);
|
|
521 |
PCI_COMMAND_IO | PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER |
|
|
522 |
PCI_COMMAND_INTX_DISABLE);
|
| 522 |
523 |
|
| 523 |
524 |
memset(dev->wmask + PCI_CONFIG_HEADER_SIZE, 0xff,
|
| 524 |
525 |
config_size - PCI_CONFIG_HEADER_SIZE);
|
| ... | ... | |
| 938 |
939 |
}
|
| 939 |
940 |
}
|
| 940 |
941 |
|
|
942 |
static inline int pci_irq_disabled(PCIDevice *d)
|
|
943 |
{
|
|
944 |
return pci_get_word(d->config + PCI_COMMAND) & PCI_COMMAND_INTX_DISABLE;
|
|
945 |
}
|
|
946 |
|
|
947 |
/* Called after interrupt disabled field update in config space,
|
|
948 |
* assert/deassert interrupts if necessary.
|
|
949 |
* Gets original interrupt disable bit value (before update). */
|
|
950 |
static void pci_update_irq_disabled(PCIDevice *d, int was_irq_disabled)
|
|
951 |
{
|
|
952 |
int i, disabled = pci_irq_disabled(d);
|
|
953 |
if (disabled == was_irq_disabled)
|
|
954 |
return;
|
|
955 |
for (i = 0; i < PCI_NUM_PINS; ++i) {
|
|
956 |
int state = pci_irq_state(d, i);
|
|
957 |
pci_change_irq_level(d, i, disabled ? -state : state);
|
|
958 |
}
|
|
959 |
}
|
|
960 |
|
| 941 |
961 |
uint32_t pci_default_read_config(PCIDevice *d,
|
| 942 |
962 |
uint32_t address, int len)
|
| 943 |
963 |
{
|
| ... | ... | |
| 950 |
970 |
|
| 951 |
971 |
void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
|
| 952 |
972 |
{
|
| 953 |
|
int i;
|
|
973 |
int i, was_irq_disabled = pci_irq_disabled(d);
|
| 954 |
974 |
uint32_t config_size = pci_config_size(d);
|
| 955 |
975 |
|
| 956 |
976 |
for (i = 0; i < l && addr + i < config_size; val >>= 8, ++i) {
|
| ... | ... | |
| 962 |
982 |
ranges_overlap(addr, l, PCI_ROM_ADDRESS1, 4) ||
|
| 963 |
983 |
range_covers_byte(addr, l, PCI_COMMAND))
|
| 964 |
984 |
pci_update_mappings(d);
|
|
985 |
|
|
986 |
if (range_covers_byte(addr, l, PCI_COMMAND))
|
|
987 |
pci_update_irq_disabled(d, was_irq_disabled);
|
| 965 |
988 |
}
|
| 966 |
989 |
|
| 967 |
990 |
/***********************************************************/
|
| ... | ... | |
| 979 |
1002 |
|
| 980 |
1003 |
pci_set_irq_state(pci_dev, irq_num, level);
|
| 981 |
1004 |
pci_update_irq_status(pci_dev);
|
|
1005 |
if (pci_irq_disabled(pci_dev))
|
|
1006 |
return;
|
| 982 |
1007 |
pci_change_irq_level(pci_dev, irq_num, change);
|
| 983 |
1008 |
}
|
| 984 |
1009 |
|