@@ -661,21 +661,25 @@ uint32_t pci_default_read_config(PCIDevice *d,
void pci_default_write_config(PCIDevice *d, uint32_t addr, uint32_t val, int l)
{
- uint8_t orig[PCI_CONFIG_SPACE_SIZE];
int i;
uint32_t config_size = pcie_config_size(d);
+ uint8_t *orig = pci_write_config_init(d, addr, l);
- /* not efficient, but simple */
- memcpy(orig, d->config, PCI_CONFIG_SPACE_SIZE);
for(i = 0; i < l && addr < config_size; val >>= 8, ++i, ++addr) {
uint8_t wmask = d->wmask[addr];
d->config[addr] = (d->config[addr] & ~wmask) | (val & wmask);
}
- if ((memcmp(orig + PCI_BASE_ADDRESS_0, d->config + PCI_BASE_ADDRESS_0, 24) ||
- memcmp(orig + PCI_ROM_ADDRESS, d->config + PCI_ROM_ADDRESS, 4))
- || ((orig[PCI_COMMAND] ^ d->config[PCI_COMMAND])
- & (PCI_COMMAND_MEMORY | PCI_COMMAND_IO)))
+
+ if (pci_config_changed(orig, d->config, addr, l,
+ PCI_BASE_ADDRESS_0, PCI_BASE_ADDRESS_5 + 4) ||
+ pci_config_changed_with_size(orig, d->config, addr, l,
+ PCI_ROM_ADDRESS, 4) ||
+ pci_config_changed_with_size(orig, d->config, addr, l,
+ PCI_COMMAND, 1)) {
pci_update_mappings(d);
+ }
+
+ pci_write_config_done(orig);
}
static void pci_data_write_common(PCIDevice *pci_dev,
@@ -124,7 +124,12 @@ static inline int pci_bar_is_64bit(const PCIIORegion *r)
#define PCI_HEADER_TYPE_BRIDGE 1
#define PCI_HEADER_TYPE_CARDBUS 2
#define PCI_HEADER_TYPE_MULTI_FUNCTION 0x80
-#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
+#define PCI_BASE_ADDRESS_0 0x10 /* 32 bits */
+#define PCI_BASE_ADDRESS_1 0x14 /* 32 bits [htype 0,1 only] */
+#define PCI_BASE_ADDRESS_2 0x18 /* 32 bits [htype 0 only] */
+#define PCI_BASE_ADDRESS_3 0x1c /* 32 bits */
+#define PCI_BASE_ADDRESS_4 0x20 /* 32 bits */
+#define PCI_BASE_ADDRESS_5 0x24 /* 32 bits */
#define PCI_PRIMARY_BUS 0x18 /* Primary bus number */
#define PCI_SECONDARY_BUS 0x19 /* Secondary bus number */
#define PCI_SEC_STATUS 0x1e /* Secondary status register, only bit 14 used */
use helper function in pci_default_write_config() to check whether the configuration space is changed. Cc: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Isaku Yamahata <yamahata@valinux.co.jp> --- hw/pci.c | 18 +++++++++++------- hw/pci.h | 7 ++++++- 2 files changed, 17 insertions(+), 8 deletions(-)