Revision 42e4126b hw/pci_host.c
| b/hw/pci_host.c | ||
|---|---|---|
| 47 | 47 |
return pci_find_device(bus, bus_num, devfn); |
| 48 | 48 |
} |
| 49 | 49 |
|
| 50 |
void pci_host_config_write_common(PCIDevice *pci_dev, uint32_t addr, |
|
| 51 |
uint32_t limit, uint32_t val, uint32_t len) |
|
| 52 |
{
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| 53 |
assert(len <= 4); |
|
| 54 |
pci_dev->config_write(pci_dev, addr, val, MIN(len, limit - addr)); |
|
| 55 |
} |
|
| 56 |
|
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| 57 |
uint32_t pci_host_config_read_common(PCIDevice *pci_dev, uint32_t addr, |
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| 58 |
uint32_t limit, uint32_t len) |
|
| 59 |
{
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| 60 |
assert(len <= 4); |
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| 61 |
return pci_dev->config_read(pci_dev, addr, MIN(len, limit - addr)); |
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| 62 |
} |
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| 63 |
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| 50 | 64 |
void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len) |
| 51 | 65 |
{
|
| 52 | 66 |
PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr); |
| 53 | 67 |
uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1); |
| 54 | 68 |
|
| 55 |
if (!pci_dev) |
|
| 69 |
if (!pci_dev) {
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| 56 | 70 |
return; |
| 71 |
} |
|
| 57 | 72 |
|
| 58 | 73 |
PCI_DPRINTF("%s: %s: addr=%02" PRIx32 " val=%08" PRIx32 " len=%d\n",
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| 59 | 74 |
__func__, pci_dev->name, config_addr, val, len); |
| 60 |
pci_dev->config_write(pci_dev, config_addr, val, len); |
|
| 75 |
pci_host_config_write_common(pci_dev, config_addr, PCI_CONFIG_SPACE_SIZE, |
|
| 76 |
val, len); |
|
| 61 | 77 |
} |
| 62 | 78 |
|
| 63 | 79 |
uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len) |
| ... | ... | |
| 66 | 82 |
uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1); |
| 67 | 83 |
uint32_t val; |
| 68 | 84 |
|
| 69 |
assert(len == 1 || len == 2 || len == 4); |
|
| 70 | 85 |
if (!pci_dev) {
|
| 71 | 86 |
return ~0x0; |
| 72 | 87 |
} |
| 73 | 88 |
|
| 74 |
val = pci_dev->config_read(pci_dev, config_addr, len); |
|
| 89 |
val = pci_host_config_read_common(pci_dev, config_addr, |
|
| 90 |
PCI_CONFIG_SPACE_SIZE, len); |
|
| 75 | 91 |
PCI_DPRINTF("%s: %s: addr=%02"PRIx32" val=%08"PRIx32" len=%d\n",
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| 76 | 92 |
__func__, pci_dev->name, config_addr, val, len); |
| 77 | 93 |
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