diff options
Diffstat (limited to 'hw/pci-host/designware.c')
| -rw-r--r-- | hw/pci-host/designware.c | 59 |
1 files changed, 24 insertions, 35 deletions
diff --git a/hw/pci-host/designware.c b/hw/pci-host/designware.c index 5598d18f47..183f838392 100644 --- a/hw/pci-host/designware.c +++ b/hw/pci-host/designware.c @@ -22,6 +22,7 @@ #include "qapi/error.h" #include "qemu/module.h" #include "qemu/log.h" +#include "qemu/bitops.h" #include "hw/pci/msi.h" #include "hw/pci/pci_bridge.h" #include "hw/pci/pci_host.h" @@ -55,7 +56,8 @@ #define DESIGNWARE_PCIE_ATU_DEVFN(x) (((x) >> 16) & 0xff) #define DESIGNWARE_PCIE_ATU_UPPER_TARGET 0x91C -static void designware_pcie_root_bus_class_init(ObjectClass *klass, void *data) +static void designware_pcie_root_bus_class_init(ObjectClass *klass, + const void *data) { BusClass *k = BUS_CLASS(klass); @@ -162,11 +164,9 @@ designware_pcie_root_config_read(PCIDevice *d, uint32_t address, int len) break; case DESIGNWARE_PCIE_MSI_ADDR_LO: - val = root->msi.base; - break; - case DESIGNWARE_PCIE_MSI_ADDR_HI: - val = root->msi.base >> 32; + val = extract64(root->msi.base, + address == DESIGNWARE_PCIE_MSI_ADDR_LO ? 0 : 32, 32); break; case DESIGNWARE_PCIE_MSI_INTR0_ENABLE: @@ -190,19 +190,16 @@ designware_pcie_root_config_read(PCIDevice *d, uint32_t address, int len) break; case DESIGNWARE_PCIE_ATU_LOWER_BASE: - val = viewport->base; - break; - case DESIGNWARE_PCIE_ATU_UPPER_BASE: - val = viewport->base >> 32; + val = extract64(viewport->base, + address == DESIGNWARE_PCIE_ATU_LOWER_BASE ? 0 : 32, 32); break; case DESIGNWARE_PCIE_ATU_LOWER_TARGET: - val = viewport->target; - break; - case DESIGNWARE_PCIE_ATU_UPPER_TARGET: - val = viewport->target >> 32; + val = extract64(viewport->target, + address == DESIGNWARE_PCIE_ATU_LOWER_TARGET ? 0 : 32, + 32); break; case DESIGNWARE_PCIE_ATU_LIMIT: @@ -321,14 +318,10 @@ static void designware_pcie_root_config_write(PCIDevice *d, uint32_t address, break; case DESIGNWARE_PCIE_MSI_ADDR_LO: - root->msi.base &= 0xFFFFFFFF00000000ULL; - root->msi.base |= val; - designware_pcie_root_update_msi_mapping(root); - break; - case DESIGNWARE_PCIE_MSI_ADDR_HI: - root->msi.base &= 0x00000000FFFFFFFFULL; - root->msi.base |= (uint64_t)val << 32; + root->msi.base = deposit64(root->msi.base, + address == DESIGNWARE_PCIE_MSI_ADDR_LO + ? 0 : 32, 32, val); designware_pcie_root_update_msi_mapping(root); break; @@ -355,23 +348,17 @@ static void designware_pcie_root_config_write(PCIDevice *d, uint32_t address, break; case DESIGNWARE_PCIE_ATU_LOWER_BASE: - viewport->base &= 0xFFFFFFFF00000000ULL; - viewport->base |= val; - break; - case DESIGNWARE_PCIE_ATU_UPPER_BASE: - viewport->base &= 0x00000000FFFFFFFFULL; - viewport->base |= (uint64_t)val << 32; + viewport->base = deposit64(root->msi.base, + address == DESIGNWARE_PCIE_ATU_LOWER_BASE + ? 0 : 32, 32, val); break; case DESIGNWARE_PCIE_ATU_LOWER_TARGET: - viewport->target &= 0xFFFFFFFF00000000ULL; - viewport->target |= val; - break; - case DESIGNWARE_PCIE_ATU_UPPER_TARGET: - viewport->target &= 0x00000000FFFFFFFFULL; - viewport->target |= (uint64_t)val << 32; + viewport->target = deposit64(root->msi.base, + address == DESIGNWARE_PCIE_ATU_LOWER_TARGET + ? 0 : 32, 32, val); break; case DESIGNWARE_PCIE_ATU_LIMIT: @@ -601,7 +588,8 @@ static const VMStateDescription vmstate_designware_pcie_root = { } }; -static void designware_pcie_root_class_init(ObjectClass *klass, void *data) +static void designware_pcie_root_class_init(ObjectClass *klass, + const void *data) { PCIDeviceClass *k = PCI_DEVICE_CLASS(klass); DeviceClass *dc = DEVICE_CLASS(klass); @@ -741,7 +729,8 @@ static const VMStateDescription vmstate_designware_pcie_host = { } }; -static void designware_pcie_host_class_init(ObjectClass *klass, void *data) +static void designware_pcie_host_class_init(ObjectClass *klass, + const void *data) { DeviceClass *dc = DEVICE_CLASS(klass); PCIHostBridgeClass *hc = PCI_HOST_BRIDGE_CLASS(klass); @@ -780,7 +769,7 @@ static const TypeInfo designware_pcie_types[] = { .parent = TYPE_PCI_BRIDGE, .instance_size = sizeof(DesignwarePCIERoot), .class_init = designware_pcie_root_class_init, - .interfaces = (InterfaceInfo[]) { + .interfaces = (const InterfaceInfo[]) { { INTERFACE_PCIE_DEVICE }, { } }, |