diff options
Diffstat (limited to 'tools/ioemu/hw/pci.c')
| -rw-r--r-- | tools/ioemu/hw/pci.c | 24 |
1 files changed, 16 insertions, 8 deletions
diff --git a/tools/ioemu/hw/pci.c b/tools/ioemu/hw/pci.c index 77737c8615..cea81f7b7f 100644 --- a/tools/ioemu/hw/pci.c +++ b/tools/ioemu/hw/pci.c @@ -221,16 +221,23 @@ uint32_t pci_default_read_config(PCIDevice *d, uint32_t address, int len) { uint32_t val; + switch(len) { - case 1: - val = d->config[address]; - break; - case 2: - val = le16_to_cpu(*(uint16_t *)(d->config + address)); - break; default: case 4: - val = le32_to_cpu(*(uint32_t *)(d->config + address)); + if (address <= 0xfc) { + val = le32_to_cpu(*(uint32_t *)(d->config + address)); + break; + } + /* fall through */ + case 2: + if (address <= 0xfe) { + val = le16_to_cpu(*(uint16_t *)(d->config + address)); + break; + } + /* fall through */ + case 1: + val = d->config[address]; break; } return val; @@ -333,7 +340,8 @@ void pci_default_write_config(PCIDevice *d, d->config[addr] = val; } - addr++; + if (++addr > 0xff) + break; val >>= 8; } |