Signed-off-by: Avi Kivity <avi@xxxxxxxxxx> --- hw/versatile_pci.c | 94 ++++++++++++++++++++++++--------------------------- 1 files changed, 44 insertions(+), 50 deletions(-) diff --git a/hw/versatile_pci.c b/hw/versatile_pci.c index bf7fadd..14cfb48 100644 --- a/hw/versatile_pci.c +++ b/hw/versatile_pci.c @@ -16,7 +16,9 @@ typedef struct { SysBusDevice busdev; qemu_irq irq[4]; int realview; - int mem_config; + MemoryRegion mem_config; + MemoryRegion mem_config2; + MemoryRegion isa; } PCIVPBState; static inline uint32_t vpb_pci_config_addr(target_phys_addr_t addr) @@ -24,55 +26,24 @@ static inline uint32_t vpb_pci_config_addr(target_phys_addr_t addr) return addr & 0xffffff; } -static void pci_vpb_config_writeb (void *opaque, target_phys_addr_t addr, - uint32_t val) +static void pci_vpb_config_write(void *opaque, target_phys_addr_t addr, + uint64_t val, unsigned size) { - pci_data_write(opaque, vpb_pci_config_addr (addr), val, 1); + pci_data_write(opaque, vpb_pci_config_addr(addr), val, size); } -static void pci_vpb_config_writew (void *opaque, target_phys_addr_t addr, - uint32_t val) -{ - pci_data_write(opaque, vpb_pci_config_addr (addr), val, 2); -} - -static void pci_vpb_config_writel (void *opaque, target_phys_addr_t addr, - uint32_t val) -{ - pci_data_write(opaque, vpb_pci_config_addr (addr), val, 4); -} - -static uint32_t pci_vpb_config_readb (void *opaque, target_phys_addr_t addr) +static uint64_t pci_vpb_config_read(void *opaque, target_phys_addr_t addr, + unsigned size) { uint32_t val; - val = pci_data_read(opaque, vpb_pci_config_addr (addr), 1); - return val; + val = pci_data_read(opaque, vpb_pci_config_addr(addr), size); + return size; } -static uint32_t pci_vpb_config_readw (void *opaque, target_phys_addr_t addr) -{ - uint32_t val; - val = pci_data_read(opaque, vpb_pci_config_addr (addr), 2); - return val; -} - -static uint32_t pci_vpb_config_readl (void *opaque, target_phys_addr_t addr) -{ - uint32_t val; - val = pci_data_read(opaque, vpb_pci_config_addr (addr), 4); - return val; -} - -static CPUWriteMemoryFunc * const pci_vpb_config_write[] = { - &pci_vpb_config_writeb, - &pci_vpb_config_writew, - &pci_vpb_config_writel, -}; - -static CPUReadMemoryFunc * const pci_vpb_config_read[] = { - &pci_vpb_config_readb, - &pci_vpb_config_readw, - &pci_vpb_config_readl, +static const MemoryRegionOps pci_vpb_config_ops = { + .read = pci_vpb_config_read, + .write = pci_vpb_config_write, + .endianness = DEVICE_NATIVE_ENDIAN, }; static int pci_vpb_map_irq(PCIDevice *d, int irq_num) @@ -87,17 +58,35 @@ static void pci_vpb_set_irq(void *opaque, int irq_num, int level) qemu_set_irq(pic[irq_num], level); } + static void pci_vpb_map(SysBusDevice *dev, target_phys_addr_t base) { PCIVPBState *s = (PCIVPBState *)dev; /* Selfconfig area. */ - cpu_register_physical_memory(base + 0x01000000, 0x1000000, s->mem_config); + memory_region_add_subregion(get_system_memory(), base + 0x01000000, + &s->mem_config); /* Normal config area. */ - cpu_register_physical_memory(base + 0x02000000, 0x1000000, s->mem_config); + memory_region_add_subregion(get_system_memory(), base + 0x02000000, + &s->mem_config2); if (s->realview) { /* IO memory area. */ - isa_mmio_init(base + 0x03000000, 0x00100000); + memory_region_add_subregion(get_system_memory(), base + 0x03000000, + &s->isa); + } +} + +static void pci_vpb_unmap(SysBusDevice *dev, target_phys_addr_t base) +{ + PCIVPBState *s = (PCIVPBState *)dev; + /* Selfconfig area. */ + memory_region_del_subregion(get_system_memory(), &s->mem_config); + /* Normal config area. */ + memory_region_del_subregion(get_system_memory(), &s->mem_config2); + + if (s->realview) { + /* IO memory area. */ + memory_region_del_subregion(get_system_memory(), &s->isa); } } @@ -117,10 +106,15 @@ static int pci_vpb_init(SysBusDevice *dev) /* ??? Register memory space. */ - s->mem_config = cpu_register_io_memory(pci_vpb_config_read, - pci_vpb_config_write, bus, - DEVICE_LITTLE_ENDIAN); - sysbus_init_mmio_cb(dev, 0x04000000, pci_vpb_map); + memory_region_init_io(&s->mem_config, &pci_vpb_config_ops, bus, + "pci-vpb-selfconfig", 0x1000000); + memory_region_init_io(&s->mem_config2, &pci_vpb_config_ops, bus, + "pci-vpb-config", 0x1000000); + if (s->realview) { + isa_mmio_setup(&s->isa, 0x0100000); + } + + sysbus_init_mmio_cb2(dev, pci_vpb_map, pci_vpb_unmap); pci_create_simple(bus, -1, "versatile_pci_host"); return 0; -- 1.7.5.3 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html