* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License along
- * with this program; if not, write to the Free Software Foundation, Inc.,
- * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ * with this program; if not, see <http://www.gnu.org/licenses/>.
*/
#include "pci.h"
*/
/* the helper functio to get a PCIDeice* for a given pci address */
-static inline PCIDevice *pci_addr_to_dev(PCIBus *bus, uint32_t addr)
+static inline PCIDevice *pci_dev_find_by_addr(PCIBus *bus, uint32_t addr)
{
- uint8_t bus_num = (addr >> 16) & 0xff;
- uint8_t devfn = (addr >> 8) & 0xff;
- return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
-}
+ uint8_t bus_num = addr >> 16;
+ uint8_t devfn = addr >> 8;
-static inline uint32_t pci_addr_to_config(uint32_t addr)
-{
- return addr & (PCI_CONFIG_SPACE_SIZE - 1);
+ return pci_find_device(bus, bus_num, PCI_SLOT(devfn), PCI_FUNC(devfn));
}
void pci_data_write(PCIBus *s, uint32_t addr, uint32_t val, int len)
{
- PCIDevice *pci_dev = pci_addr_to_dev(s, addr);
- uint32_t config_addr = pci_addr_to_config(addr);
+ PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr);
+ uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1);
if (!pci_dev)
return;
- PCI_DPRINTF("%s: %s: addr=%02"PRIx32" val=%08"PRI32x" len=%d\n",
+ PCI_DPRINTF("%s: %s: addr=%02" PRIx32 " val=%08" PRIx32 " len=%d\n",
__func__, pci_dev->name, config_addr, val, len);
pci_dev->config_write(pci_dev, config_addr, val, len);
}
uint32_t pci_data_read(PCIBus *s, uint32_t addr, int len)
{
- PCIDevice *pci_dev = pci_addr_to_dev(s, addr);
- uint32_t config_addr = pci_addr_to_config(addr);
+ PCIDevice *pci_dev = pci_dev_find_by_addr(s, addr);
+ uint32_t config_addr = addr & (PCI_CONFIG_SPACE_SIZE - 1);
uint32_t val;
assert(len == 1 || len == 2 || len == 4);
return val;
}
-static void pci_host_config_writel(void *opaque, target_phys_addr_t addr,
- uint32_t val)
+static void pci_host_config_write_swap(ReadWriteHandler *handler,
+ pcibus_t addr, uint32_t val, int len)
{
- PCIHostState *s = opaque;
+ PCIHostState *s = container_of(handler, PCIHostState, conf_handler);
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
- PCI_DPRINTF("%s addr " TARGET_FMT_plx " val %"PRIx32"\n",
- __func__, addr, val);
+ PCI_DPRINTF("%s addr %" FMT_PCIBUS " %d val %"PRIx32"\n",
+ __func__, addr, len, val);
+ val = qemu_bswap_len(val, len);
s->config_reg = val;
}
-static uint32_t pci_host_config_readl(void *opaque, target_phys_addr_t addr)
+static uint32_t pci_host_config_read_swap(ReadWriteHandler *handler,
+ pcibus_t addr, int len)
{
- PCIHostState *s = opaque;
+ PCIHostState *s = container_of(handler, PCIHostState, conf_handler);
uint32_t val = s->config_reg;
-#ifdef TARGET_WORDS_BIGENDIAN
- val = bswap32(val);
-#endif
- PCI_DPRINTF("%s addr " TARGET_FMT_plx " val %"PRIx32"\n",
- __func__, addr, val);
+ val = qemu_bswap_len(val, len);
+ PCI_DPRINTF("%s addr %" FMT_PCIBUS " len %d val %"PRIx32"\n",
+ __func__, addr, len, val);
return val;
}
-static CPUWriteMemoryFunc * const pci_host_config_write[] = {
- &pci_host_config_writel,
- &pci_host_config_writel,
- &pci_host_config_writel,
-};
-
-static CPUReadMemoryFunc * const pci_host_config_read[] = {
- &pci_host_config_readl,
- &pci_host_config_readl,
- &pci_host_config_readl,
-};
-
-int pci_host_config_register_io_memory(PCIHostState *s)
-{
- return cpu_register_io_memory(pci_host_config_read,
- pci_host_config_write, s);
-}
-
-static void pci_host_config_writel_noswap(void *opaque,
- target_phys_addr_t addr,
- uint32_t val)
+static void pci_host_config_write_noswap(ReadWriteHandler *handler,
+ pcibus_t addr, uint32_t val, int len)
{
- PCIHostState *s = opaque;
+ PCIHostState *s = container_of(handler, PCIHostState, conf_noswap_handler);
- PCI_DPRINTF("%s addr " TARGET_FMT_plx " val %"PRIx32"\n",
- __func__, addr, val);
+ PCI_DPRINTF("%s addr %" FMT_PCIBUS " %d val %"PRIx32"\n",
+ __func__, addr, len, val);
s->config_reg = val;
}
-static uint32_t pci_host_config_readl_noswap(void *opaque,
- target_phys_addr_t addr)
+static uint32_t pci_host_config_read_noswap(ReadWriteHandler *handler,
+ pcibus_t addr, int len)
{
- PCIHostState *s = opaque;
+ PCIHostState *s = container_of(handler, PCIHostState, conf_noswap_handler);
uint32_t val = s->config_reg;
- PCI_DPRINTF("%s addr " TARGET_FMT_plx " val %"PRIx32"\n",
- __func__, addr, val);
+ PCI_DPRINTF("%s addr %" FMT_PCIBUS " len %d val %"PRIx32"\n",
+ __func__, addr, len, val);
return val;
}
-static CPUWriteMemoryFunc * const pci_host_config_write_noswap[] = {
- &pci_host_config_writel_noswap,
- &pci_host_config_writel_noswap,
- &pci_host_config_writel_noswap,
-};
+static void pci_host_data_write_swap(ReadWriteHandler *handler,
+ pcibus_t addr, uint32_t val, int len)
+{
+ PCIHostState *s = container_of(handler, PCIHostState, data_handler);
-static CPUReadMemoryFunc * const pci_host_config_read_noswap[] = {
- &pci_host_config_readl_noswap,
- &pci_host_config_readl_noswap,
- &pci_host_config_readl_noswap,
-};
+ val = qemu_bswap_len(val, len);
+ PCI_DPRINTF("write addr %" FMT_PCIBUS " len %d val %x\n",
+ addr, len, val);
+ if (s->config_reg & (1u << 31))
+ pci_data_write(s->bus, s->config_reg | (addr & 3), val, len);
+}
-int pci_host_config_register_io_memory_noswap(PCIHostState *s)
+static uint32_t pci_host_data_read_swap(ReadWriteHandler *handler,
+ pcibus_t addr, int len)
{
- return cpu_register_io_memory(pci_host_config_read_noswap,
- pci_host_config_write_noswap, s);
+ PCIHostState *s = container_of(handler, PCIHostState, data_handler);
+ uint32_t val;
+ if (!(s->config_reg & (1 << 31)))
+ return 0xffffffff;
+ val = pci_data_read(s->bus, s->config_reg | (addr & 3), len);
+ PCI_DPRINTF("read addr %" FMT_PCIBUS " len %d val %x\n",
+ addr, len, val);
+ val = qemu_bswap_len(val, len);
+ return val;
}
-static void pci_host_config_writel_ioport(void *opaque,
- uint32_t addr, uint32_t val)
+static void pci_host_data_write_noswap(ReadWriteHandler *handler,
+ pcibus_t addr, uint32_t val, int len)
{
- PCIHostState *s = opaque;
-
- PCI_DPRINTF("%s addr %"PRIx32 " val %"PRIx32"\n", __func__, addr, val);
- s->config_reg = val;
+ PCIHostState *s = container_of(handler, PCIHostState, data_noswap_handler);
+ PCI_DPRINTF("write addr %" FMT_PCIBUS " len %d val %x\n",
+ addr, len, val);
+ if (s->config_reg & (1u << 31))
+ pci_data_write(s->bus, s->config_reg | (addr & 3), val, len);
}
-static uint32_t pci_host_config_readl_ioport(void *opaque, uint32_t addr)
+static uint32_t pci_host_data_read_noswap(ReadWriteHandler *handler,
+ pcibus_t addr, int len)
{
- PCIHostState *s = opaque;
- uint32_t val = s->config_reg;
-
- PCI_DPRINTF("%s addr %"PRIx32" val %"PRIx32"\n", __func__, addr, val);
+ PCIHostState *s = container_of(handler, PCIHostState, data_noswap_handler);
+ uint32_t val;
+ if (!(s->config_reg & (1 << 31)))
+ return 0xffffffff;
+ val = pci_data_read(s->bus, s->config_reg | (addr & 3), len);
+ PCI_DPRINTF("read addr %" FMT_PCIBUS " len %d val %x\n",
+ addr, len, val);
return val;
}
-void pci_host_config_register_ioport(pio_addr_t ioport, PCIHostState *s)
+static void pci_host_init(PCIHostState *s)
{
- register_ioport_write(ioport, 4, 4, pci_host_config_writel_ioport, s);
- register_ioport_read(ioport, 4, 4, pci_host_config_readl_ioport, s);
+ s->conf_handler.write = pci_host_config_write_swap;
+ s->conf_handler.read = pci_host_config_read_swap;
+ s->conf_noswap_handler.write = pci_host_config_write_noswap;
+ s->conf_noswap_handler.read = pci_host_config_read_noswap;
+ s->data_handler.write = pci_host_data_write_swap;
+ s->data_handler.read = pci_host_data_read_swap;
+ s->data_noswap_handler.write = pci_host_data_write_noswap;
+ s->data_noswap_handler.read = pci_host_data_read_noswap;
}
-#define PCI_ADDR_T target_phys_addr_t
-#define PCI_HOST_SUFFIX _mmio
-
-#include "pci_host_template.h"
-
-static CPUWriteMemoryFunc * const pci_host_data_write_mmio[] = {
- pci_host_data_writeb_mmio,
- pci_host_data_writew_mmio,
- pci_host_data_writel_mmio,
-};
-
-static CPUReadMemoryFunc * const pci_host_data_read_mmio[] = {
- pci_host_data_readb_mmio,
- pci_host_data_readw_mmio,
- pci_host_data_readl_mmio,
-};
-
-int pci_host_data_register_io_memory(PCIHostState *s)
+int pci_host_conf_register_mmio(PCIHostState *s, int swap)
{
- return cpu_register_io_memory(pci_host_data_read_mmio,
- pci_host_data_write_mmio,
- s);
+ pci_host_init(s);
+ if (swap) {
+ return cpu_register_io_memory_simple(&s->conf_handler);
+ } else {
+ return cpu_register_io_memory_simple(&s->conf_noswap_handler);
+ }
}
-#undef PCI_ADDR_T
-#undef PCI_HOST_SUFFIX
-
-#define PCI_ADDR_T uint32_t
-#define PCI_HOST_SUFFIX _ioport
+void pci_host_conf_register_ioport(pio_addr_t ioport, PCIHostState *s)
+{
+ pci_host_init(s);
+ register_ioport_simple(&s->conf_noswap_handler, ioport, 4, 4);
+}
-#include "pci_host_template.h"
+int pci_host_data_register_mmio(PCIHostState *s, int swap)
+{
+ pci_host_init(s);
+ if (swap) {
+ return cpu_register_io_memory_simple(&s->data_handler);
+ } else {
+ return cpu_register_io_memory_simple(&s->data_noswap_handler);
+ }
+}
void pci_host_data_register_ioport(pio_addr_t ioport, PCIHostState *s)
{
- register_ioport_write(ioport, 4, 1, pci_host_data_writeb_ioport, s);
- register_ioport_write(ioport, 4, 2, pci_host_data_writew_ioport, s);
- register_ioport_write(ioport, 4, 4, pci_host_data_writel_ioport, s);
- register_ioport_read(ioport, 4, 1, pci_host_data_readb_ioport, s);
- register_ioport_read(ioport, 4, 2, pci_host_data_readw_ioport, s);
- register_ioport_read(ioport, 4, 4, pci_host_data_readl_ioport, s);
+ pci_host_init(s);
+ register_ioport_simple(&s->data_noswap_handler, ioport, 4, 1);
+ register_ioport_simple(&s->data_noswap_handler, ioport, 4, 2);
+ register_ioport_simple(&s->data_noswap_handler, ioport, 4, 4);
}
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