예제 #1
0
S390FLICState *s390_get_flic(void)
{
    S390FLICState *fs;

    fs = S390_FLIC_COMMON(object_resolve_path(TYPE_KVM_S390_FLIC, NULL));
    if (!fs) {
        fs = S390_FLIC_COMMON(object_resolve_path(TYPE_QEMU_S390_FLIC, NULL));
    }
    return fs;
}
예제 #2
0
파일: qmp.c 프로젝트: 32bitmicro/riscv-qemu
ObjectPropertyInfoList *qmp_qom_list(const char *path, Error **errp)
{
    Object *obj;
    bool ambiguous = false;
    ObjectPropertyInfoList *props = NULL;
    ObjectProperty *prop;
    ObjectPropertyIterator *iter;

    obj = object_resolve_path(path, &ambiguous);
    if (obj == NULL) {
        if (ambiguous) {
            error_setg(errp, "Path '%s' is ambiguous", path);
        } else {
            error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
                      "Device '%s' not found", path);
        }
        return NULL;
    }

    iter = object_property_iter_init(obj);
    while ((prop = object_property_iter_next(iter))) {
        ObjectPropertyInfoList *entry = g_malloc0(sizeof(*entry));

        entry->value = g_malloc0(sizeof(ObjectPropertyInfo));
        entry->next = props;
        props = entry;

        entry->value->name = g_strdup(prop->name);
        entry->value->type = g_strdup(prop->type);
    }
    object_property_iter_free(iter);

    return props;
}
예제 #3
0
/* Scan for remote-port links to be setup.  */
void rp_device_add(QemuOpts *opts, DeviceState *dev, Error **errp)
{
    Error *err = NULL;
    Object *adaptor;
    bool ambiguous;
    const char *path;
    char *name;
    int i;

    /*
     * Find the adaptor this remote-port device is connected to.
     * At the moment, we only support one adaptor per device.
     */
    name = g_strdup_printf("rp-adaptor%d", 0);
    path = qemu_opt_get(opts, name);
    g_free(name);
    if (!path) {
        /* This is not a remote-port device.  */
        return;
    }
    adaptor = object_resolve_path(path, &ambiguous);
    if (!adaptor) {
        error_setg(errp, "Did not find rp adaptor %s!\n", path);
        return;
    }

    /*
     * Loop through the channels this device provides and attach
     * them to the adaptor.
     */
    for (i = 0; i < INT_MAX; i++) {
        unsigned long dev_nr;
        const char *dev_nr_str;

        name = g_strdup_printf("rp-chan%d", i);
        dev_nr_str = qemu_opt_get(opts, name);
        g_free(name);

        if (!dev_nr_str) {
            if (i == 0) {
                /* At least one channel must be provided.  */
                error_setg(errp, "Did not find rp-chan%d!\n", i);
            }
            return;
        }

        if (qemu_strtoul(dev_nr_str, NULL, 0, &dev_nr)) {
            error_setg(errp, "Invalid rp-chan%d!\n", i);
            return;
        }

        /* Now, attach the device to the adaptor.  */
        rp_device_attach(adaptor, OBJECT(dev), 0, dev_nr, &err);
        if (err != NULL) {
            error_propagate(errp, err);
            return;
        }
    }
}
예제 #4
0
sPAPRDRConnector *spapr_dr_connector_by_index(uint32_t index)
{
    Object *obj;
    char name[256];

    snprintf(name, sizeof(name), "%s/%x", DRC_CONTAINER_PATH, index);
    obj = object_resolve_path(name, NULL);

    return !obj ? NULL : SPAPR_DR_CONNECTOR(obj);
}
예제 #5
0
static void test_qom_partial_path(void)
{
    Object *root  = object_get_objects_root();
    Object *cont1 = container_get(root, "/cont1");
    Object *obj1  = object_new(TYPE_DUMMY);
    Object *obj2a = object_new(TYPE_DUMMY);
    Object *obj2b = object_new(TYPE_DUMMY);
    bool ambiguous;

    /* Objects created:
     * /cont1
     * /cont1/obj1
     * /cont1/obj2 (obj2a)
     * /obj2 (obj2b)
     */
    object_property_add_child(cont1, "obj1", obj1, &error_abort);
    object_unref(obj1);
    object_property_add_child(cont1, "obj2", obj2a, &error_abort);
    object_unref(obj2a);
    object_property_add_child(root,  "obj2", obj2b, &error_abort);
    object_unref(obj2b);

    ambiguous = false;
    g_assert(!object_resolve_path_type("", TYPE_DUMMY, &ambiguous));
    g_assert(ambiguous);
    g_assert(!object_resolve_path_type("", TYPE_DUMMY, NULL));

    ambiguous = false;
    g_assert(!object_resolve_path("obj2", &ambiguous));
    g_assert(ambiguous);
    g_assert(!object_resolve_path("obj2", NULL));

    ambiguous = false;
    g_assert(object_resolve_path("obj1", &ambiguous) == obj1);
    g_assert(!ambiguous);
    g_assert(object_resolve_path("obj1", NULL) == obj1);

    object_unparent(obj2b);
    object_unparent(cont1);
}
예제 #6
0
파일: qmp.c 프로젝트: 32bitmicro/riscv-qemu
QObject *qmp_qom_get(const char *path, const char *property, Error **errp)
{
    Object *obj;

    obj = object_resolve_path(path, NULL);
    if (!obj) {
        error_set(errp, ERROR_CLASS_DEVICE_NOT_FOUND,
                  "Device '%s' not found", path);
        return NULL;
    }

    return object_property_get_qobject(obj, property, errp);
}
예제 #7
0
파일: numa.c 프로젝트: pbhide/qemu-rocker
MemdevList *qmp_query_memdev(Error **errp)
{
    Object *obj;
    MemdevList *list = NULL;

    obj = object_resolve_path("/objects", NULL);
    if (obj == NULL) {
        return NULL;
    }

    if (object_child_foreach(obj, query_memdev, &list) != 0) {
        goto error;
    }

    return list;

error:
    qapi_free_MemdevList(list);
    return NULL;
}
예제 #8
0
static void fw_cfg_init1(DeviceState *dev)
{
    FWCfgState *s = FW_CFG(dev);

    assert(!object_resolve_path(FW_CFG_PATH, NULL));

    object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL);

    qdev_init_nofail(dev);

    fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (char *)"QEMU", 4);
    fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
    fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC));
    fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
    fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
    fw_cfg_bootsplash(s);
    fw_cfg_reboot(s);

    s->machine_ready.notify = fw_cfg_machine_ready;
    qemu_add_machine_init_done_notifier(&s->machine_ready);
}
예제 #9
0
파일: fw_cfg.c 프로젝트: Annovae/qemu
FWCfgState *fw_cfg_init(uint32_t ctl_port, uint32_t data_port,
                        hwaddr ctl_addr, hwaddr data_addr)
{
    DeviceState *dev;
    SysBusDevice *d;
    FWCfgState *s;

    dev = qdev_create(NULL, TYPE_FW_CFG);
    qdev_prop_set_uint32(dev, "ctl_iobase", ctl_port);
    qdev_prop_set_uint32(dev, "data_iobase", data_port);
    d = SYS_BUS_DEVICE(dev);

    s = FW_CFG(dev);

    assert(!object_resolve_path(FW_CFG_PATH, NULL));

    object_property_add_child(qdev_get_machine(), FW_CFG_NAME, OBJECT(s), NULL);

    qdev_init_nofail(dev);

    if (ctl_addr) {
        sysbus_mmio_map(d, 0, ctl_addr);
    }
    if (data_addr) {
        sysbus_mmio_map(d, 1, data_addr);
    }
    fw_cfg_add_bytes(s, FW_CFG_SIGNATURE, (char *)"QEMU", 4);
    fw_cfg_add_bytes(s, FW_CFG_UUID, qemu_uuid, 16);
    fw_cfg_add_i16(s, FW_CFG_NOGRAPHIC, (uint16_t)(display_type == DT_NOGRAPHIC));
    fw_cfg_add_i16(s, FW_CFG_NB_CPUS, (uint16_t)smp_cpus);
    fw_cfg_add_i16(s, FW_CFG_BOOT_MENU, (uint16_t)boot_menu);
    fw_cfg_bootsplash(s);
    fw_cfg_reboot(s);

    s->machine_ready.notify = fw_cfg_machine_ready;
    qemu_add_machine_init_done_notifier(&s->machine_ready);

    return s;
}
예제 #10
0
static void ioapic_init(GSIState *gsi_state)
{
    DeviceState *dev;
    SysBusDevice *d;
    unsigned int i;

    if (kvm_irqchip_in_kernel()) {
        dev = qdev_create(NULL, "kvm-ioapic");
    } else {
        dev = qdev_create(NULL, "ioapic");
    }
    /* FIXME: this should be under the piix3.  */
    object_property_add_child(object_resolve_path("i440fx", NULL),
                              "ioapic", OBJECT(dev), NULL);
    qdev_init_nofail(dev);
    d = sysbus_from_qdev(dev);
    sysbus_mmio_map(d, 0, 0xfec00000);

    for (i = 0; i < IOAPIC_NUM_PINS; i++) {
        gsi_state->ioapic_irq[i] = qdev_get_gpio_in(dev, i);
    }
}
예제 #11
0
파일: qtest.c 프로젝트: Aakriti/qemu
static void qtest_process_command(CharDriverState *chr, gchar **words)
{
    const gchar *command;

    g_assert(words);

    command = words[0];

    if (qtest_log_fp) {
        qemu_timeval tv;
        int i;

        qtest_get_time(&tv);
        fprintf(qtest_log_fp, "[R +" FMT_timeval "]",
                (long) tv.tv_sec, (long) tv.tv_usec);
        for (i = 0; words[i]; i++) {
            fprintf(qtest_log_fp, " %s", words[i]);
        }
        fprintf(qtest_log_fp, "\n");
    }

    g_assert(command);
    if (strcmp(words[0], "irq_intercept_out") == 0
        || strcmp(words[0], "irq_intercept_in") == 0) {
	DeviceState *dev;

        g_assert(words[1]);
        dev = DEVICE(object_resolve_path(words[1], NULL));
        if (!dev) {
            qtest_send_prefix(chr);
            qtest_send(chr, "FAIL Unknown device\n");
	    return;
        }

        if (irq_intercept_dev) {
            qtest_send_prefix(chr);
            if (irq_intercept_dev != dev) {
                qtest_send(chr, "FAIL IRQ intercept already enabled\n");
            } else {
                qtest_send(chr, "OK\n");
            }
	    return;
        }

        if (words[0][14] == 'o') {
            qemu_irq_intercept_out(&dev->gpio_out, qtest_irq_handler, dev->num_gpio_out);
        } else {
            qemu_irq_intercept_in(dev->gpio_in, qtest_irq_handler, dev->num_gpio_in);
        }
        irq_intercept_dev = dev;
        qtest_send_prefix(chr);
        qtest_send(chr, "OK\n");

    } else if (strcmp(words[0], "outb") == 0 ||
               strcmp(words[0], "outw") == 0 ||
               strcmp(words[0], "outl") == 0) {
        uint16_t addr;
        uint32_t value;

        g_assert(words[1] && words[2]);
        addr = strtoul(words[1], NULL, 0);
        value = strtoul(words[2], NULL, 0);

        if (words[0][3] == 'b') {
            cpu_outb(addr, value);
        } else if (words[0][3] == 'w') {
            cpu_outw(addr, value);
        } else if (words[0][3] == 'l') {
            cpu_outl(addr, value);
        }
        qtest_send_prefix(chr);
        qtest_send(chr, "OK\n");
    } else if (strcmp(words[0], "inb") == 0 ||
        strcmp(words[0], "inw") == 0 ||
        strcmp(words[0], "inl") == 0) {
        uint16_t addr;
        uint32_t value = -1U;

        g_assert(words[1]);
        addr = strtoul(words[1], NULL, 0);

        if (words[0][2] == 'b') {
            value = cpu_inb(addr);
        } else if (words[0][2] == 'w') {
            value = cpu_inw(addr);
        } else if (words[0][2] == 'l') {
            value = cpu_inl(addr);
        }
        qtest_send_prefix(chr);
        qtest_send(chr, "OK 0x%04x\n", value);
    } else if (strcmp(words[0], "writeb") == 0 ||
               strcmp(words[0], "writew") == 0 ||
               strcmp(words[0], "writel") == 0 ||
               strcmp(words[0], "writeq") == 0) {
        uint64_t addr;
        uint64_t value;

        g_assert(words[1] && words[2]);
        addr = strtoull(words[1], NULL, 0);
        value = strtoull(words[2], NULL, 0);

        if (words[0][5] == 'b') {
            uint8_t data = value;
            cpu_physical_memory_write(addr, &data, 1);
        } else if (words[0][5] == 'w') {
            uint16_t data = value;
            tswap16s(&data);
            cpu_physical_memory_write(addr, &data, 2);
        } else if (words[0][5] == 'l') {
            uint32_t data = value;
            tswap32s(&data);
            cpu_physical_memory_write(addr, &data, 4);
        } else if (words[0][5] == 'q') {
            uint64_t data = value;
            tswap64s(&data);
            cpu_physical_memory_write(addr, &data, 8);
        }
        qtest_send_prefix(chr);
        qtest_send(chr, "OK\n");
    } else if (strcmp(words[0], "readb") == 0 ||
               strcmp(words[0], "readw") == 0 ||
               strcmp(words[0], "readl") == 0 ||
               strcmp(words[0], "readq") == 0) {
        uint64_t addr;
        uint64_t value = UINT64_C(-1);

        g_assert(words[1]);
        addr = strtoull(words[1], NULL, 0);

        if (words[0][4] == 'b') {
            uint8_t data;
            cpu_physical_memory_read(addr, &data, 1);
            value = data;
        } else if (words[0][4] == 'w') {
            uint16_t data;
            cpu_physical_memory_read(addr, &data, 2);
            value = tswap16(data);
        } else if (words[0][4] == 'l') {
            uint32_t data;
            cpu_physical_memory_read(addr, &data, 4);
            value = tswap32(data);
        } else if (words[0][4] == 'q') {
            cpu_physical_memory_read(addr, &value, 8);
            tswap64s(&value);
        }
        qtest_send_prefix(chr);
        qtest_send(chr, "OK 0x%016" PRIx64 "\n", value);
    } else if (strcmp(words[0], "read") == 0) {
        uint64_t addr, len, i;
        uint8_t *data;

        g_assert(words[1] && words[2]);
        addr = strtoull(words[1], NULL, 0);
        len = strtoull(words[2], NULL, 0);

        data = g_malloc(len);
        cpu_physical_memory_read(addr, data, len);

        qtest_send_prefix(chr);
        qtest_send(chr, "OK 0x");
        for (i = 0; i < len; i++) {
            qtest_send(chr, "%02x", data[i]);
        }
        qtest_send(chr, "\n");

        g_free(data);
    } else if (strcmp(words[0], "write") == 0) {
        uint64_t addr, len, i;
        uint8_t *data;
        size_t data_len;

        g_assert(words[1] && words[2] && words[3]);
        addr = strtoull(words[1], NULL, 0);
        len = strtoull(words[2], NULL, 0);

        data_len = strlen(words[3]);
        if (data_len < 3) {
            qtest_send(chr, "ERR invalid argument size\n");
            return;
        }

        data = g_malloc(len);
        for (i = 0; i < len; i++) {
            if ((i * 2 + 4) <= data_len) {
                data[i] = hex2nib(words[3][i * 2 + 2]) << 4;
                data[i] |= hex2nib(words[3][i * 2 + 3]);
            } else {
                data[i] = 0;
            }
        }
        cpu_physical_memory_write(addr, data, len);
        g_free(data);

        qtest_send_prefix(chr);
        qtest_send(chr, "OK\n");
    } else if (qtest_enabled() && strcmp(words[0], "clock_step") == 0) {
        int64_t ns;

        if (words[1]) {
            ns = strtoll(words[1], NULL, 0);
        } else {
            ns = qemu_clock_deadline_ns_all(QEMU_CLOCK_VIRTUAL);
        }
        qtest_clock_warp(qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL) + ns);
        qtest_send_prefix(chr);
        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
    } else if (qtest_enabled() && strcmp(words[0], "clock_set") == 0) {
        int64_t ns;

        g_assert(words[1]);
        ns = strtoll(words[1], NULL, 0);
        qtest_clock_warp(ns);
        qtest_send_prefix(chr);
        qtest_send(chr, "OK %"PRIi64"\n", (int64_t)qemu_clock_get_ns(QEMU_CLOCK_VIRTUAL));
    } else {
        qtest_send_prefix(chr);
        qtest_send(chr, "FAIL Unknown command `%s'\n", words[0]);
    }
}
예제 #12
0
static void
microblaze_generic_fdt_init(MachineState *machine)
{
    CPUState *cpu;
    ram_addr_t ram_kernel_base = 0, ram_kernel_size = 0;
    void *fdt = NULL;
    const char *dtb_arg, *hw_dtb_arg;
    QemuOpts *machine_opts;
    int fdt_size;

    /* for memory node */
    char node_path[DT_PATH_LENGTH];
    FDTMachineInfo *fdti;
    MemoryRegion *main_mem;

    /* For DMA node */
    char dma_path[DT_PATH_LENGTH] = { 0 };
    uint32_t memory_phandle;

    /* For Ethernet nodes */
    char **eth_paths;
    char *phy_path;
    char *mdio_path;
    uint32_t n_eth;
    uint32_t prop_val;

    machine_opts = qemu_opts_find(qemu_find_opts("machine"), 0);
    if (!machine_opts) {
        goto no_dtb_arg;
    }
    dtb_arg = qemu_opt_get(machine_opts, "dtb");
    hw_dtb_arg = qemu_opt_get(machine_opts, "hw-dtb");
    if (!dtb_arg && !hw_dtb_arg) {
        goto no_dtb_arg;
    }

    /* If the user only provided a -dtb, use it as the hw description.  */
    if (!hw_dtb_arg) {
        hw_dtb_arg = dtb_arg;
    }

    fdt = load_device_tree(hw_dtb_arg, &fdt_size);
    if (!fdt) {
        hw_error("Error: Unable to load Device Tree %s\n", hw_dtb_arg);
        return;
    }

    if (IS_PETALINUX_MACHINE) {
        /* Mark the simple-bus as incompatible as it breaks the Microblaze
         * PetaLinux boot
         */
        add_to_compat_table(NULL, "compatible:simple-bus", NULL);
    }

    /* find memory node or add new one if needed */
    while (qemu_fdt_get_node_by_name(fdt, node_path, "memory")) {
        qemu_fdt_add_subnode(fdt, "/memory@0");
        qemu_fdt_setprop_cells(fdt, "/memory@0", "reg", 0, machine->ram_size);
    }

    if (!qemu_fdt_getprop(fdt, "/memory", "compatible", NULL, 0, NULL)) {
        qemu_fdt_setprop_string(fdt, "/memory", "compatible",
                                "qemu:memory-region");
        qemu_fdt_setprop_cells(fdt, "/memory", "qemu,ram", 1);
    }

    if (IS_PETALINUX_MACHINE) {
        /* If using a *-plnx machine, the AXI DMA memory links are not included
         * in the DTB by default. To avoid seg faults, add the links in here if
         * they have not already been added by the user
         */
        qemu_fdt_get_node_by_name(fdt, dma_path, "dma");

        if (strcmp(dma_path, "") != 0) {
            memory_phandle = qemu_fdt_check_phandle(fdt, node_path);

            if (!memory_phandle) {
                memory_phandle = qemu_fdt_alloc_phandle(fdt);

                qemu_fdt_setprop_cells(fdt, "/memory", "linux,phandle",
                                       memory_phandle);
                qemu_fdt_setprop_cells(fdt, "/memory", "phandle",
                                       memory_phandle);
            }

            if (!qemu_fdt_getprop(fdt, dma_path, "sg", NULL, 0, NULL)) {
                qemu_fdt_setprop_phandle(fdt, dma_path, "sg", node_path);
            }

            if (!qemu_fdt_getprop(fdt, dma_path, "s2mm", NULL, 0, NULL)) {
                qemu_fdt_setprop_phandle(fdt, dma_path, "s2mm", node_path);
            }

            if (!qemu_fdt_getprop(fdt, dma_path, "mm2s", NULL, 0, NULL)) {
                qemu_fdt_setprop_phandle(fdt, dma_path, "mm2s", node_path);
            }
        }

        /* Copy phyaddr value from phy node reg property */
        n_eth = qemu_fdt_get_n_nodes_by_name(fdt, &eth_paths, "ethernet");

        while (n_eth--) {
            mdio_path = qemu_fdt_get_child_by_name(fdt, eth_paths[n_eth],
                                                       "mdio");
            if (mdio_path) {
                phy_path = qemu_fdt_get_child_by_name(fdt, mdio_path,
                                                          "phy");
                if (phy_path) {
                    prop_val = qemu_fdt_getprop_cell(fdt, phy_path, "reg", NULL, 0,
                                                     NULL, &error_abort);
                    qemu_fdt_setprop_cell(fdt, eth_paths[n_eth], "xlnx,phyaddr",
                                          prop_val);
                    g_free(phy_path);
                } else {
                    qemu_log_mask(LOG_GUEST_ERROR, "phy not found in %s",
                                  mdio_path);
                }
                g_free(mdio_path);
            }
            g_free(eth_paths[n_eth]);
        }
        g_free(eth_paths);
    }

    /* Instantiate peripherals from the FDT.  */
    fdti = fdt_generic_create_machine(fdt, NULL);
    main_mem = MEMORY_REGION(object_resolve_path(node_path, NULL));

    ram_kernel_base = object_property_get_int(OBJECT(main_mem), "addr", NULL);
    ram_kernel_size = object_property_get_int(OBJECT(main_mem), "size", NULL);

    if (!memory_region_is_mapped(main_mem)) {
        /* If the memory region is not mapped, map it here.
         * It has to be mapped somewhere, so guess that the base address
         * is where the kernel starts
         */
        memory_region_add_subregion(get_system_memory(), ram_kernel_base,
                                    main_mem);

        if (ram_kernel_base && IS_PETALINUX_MACHINE) {
            /* If the memory added is at an offset from zero QEMU will error
             * when an ISR/exception is triggered. Add a small amount of hack
             * RAM to handle this.
             */
            MemoryRegion *hack_ram = g_new(MemoryRegion, 1);
            memory_region_init_ram(hack_ram, NULL, "hack_ram", 0x1000,
                                   &error_abort);
            vmstate_register_ram_global(hack_ram);
            memory_region_add_subregion(get_system_memory(), 0, hack_ram);
        }
    }

    fdt_init_destroy_fdti(fdti);

    fdt_g = fdt;
    microblaze_load_kernel(MICROBLAZE_CPU(first_cpu), ram_kernel_base,
                           ram_kernel_size, machine->initrd_filename, NULL,
                           microblaze_generic_fdt_reset, 0, fdt, fdt_size);

    /* Register FDT to prop mapper for secondary cores.  */
    cpu = CPU_NEXT(first_cpu);
    while (cpu) {
        qemu_register_reset(secondary_cpu_reset, cpu);
        cpu = CPU_NEXT(cpu);
    }

    return;
no_dtb_arg:
    if (!QTEST_RUNNING) {
        hw_error("DTB must be specified for %s machine model\n", MACHINE_NAME);
    }
    return;
}
예제 #13
0
static void stm32_p103_init(MachineState *machine) {
	const char* kernel_filename = machine->kernel_filename;
	qemu_irq *outputs_irq;
	Stm32P103 *s;

	s = (Stm32P103 *) g_malloc0(sizeof(Stm32P103));

	stm32_init(/*flash_size*/0x0001ffff, /*ram_size*/0x00004fff, kernel_filename, 8000000, 32768);

	DeviceState *gpio_a = DEVICE(object_resolve_path("/machine/stm32/gpio[a]", NULL));
	DeviceState *gpio_b = DEVICE(object_resolve_path("/machine/stm32/gpio[b]", NULL));
	DeviceState *gpio_c = DEVICE(object_resolve_path("/machine/stm32/gpio[c]", NULL));
	DeviceState *uart2 = DEVICE(object_resolve_path("/machine/stm32/uart[2]", NULL));

	assert(gpio_a);
	assert(gpio_b);
	assert(gpio_c);
	assert(uart2);

	/* Outputs IRQs */

	// IRQs for all digital outputs of the main and extension board.
	// Write callback is `output_write_handler`.
	outputs_irq = qemu_allocate_irqs(output_write_handler, NULL, 5); // 5 LEDs

	// Main red led
	qdev_connect_gpio_out(gpio_c, 12, outputs_irq[0]);	// LED0 on GPIO C pin 12

	// Digital outputs of the extension board
	qdev_connect_gpio_out(gpio_c, 3, outputs_irq[1]);	// LED1 - Yellow LED on `PC.3`
	qdev_connect_gpio_out(gpio_c, 4, outputs_irq[2]);	// LED2 - Yellow LED on `PC.4`
	qdev_connect_gpio_out(gpio_b, 8, outputs_irq[3]);	// LED3 - Red LED on `PB.8`
	qdev_connect_gpio_out(gpio_b, 9, outputs_irq[4]);	// LED4 - Red LED on `PB.9`

	/* Inputs IRQs */

	/**
	 * Simulate and external line interrupt.
	 * Each external lines are registered in the `Stm32P103` structure.
	 * The keycode is used to identify buttons 0 to 3.
	 *
	 * To set the input 0 to '1': qemu_irq_raise(state->btn0_irq);
	 * To set the input 0 to '0': qemu_irq_lower(state->btn0_irq);
	 */

	// Joystick center button
	s->btn0_irq = qdev_get_gpio_in(gpio_c, 6); // Btn0

	// Extension board buttons inputs
	s->btn3_irq = qdev_get_gpio_in(gpio_c, 2); // Btn3
	s->btn2_irq = qdev_get_gpio_in(gpio_c, 1); // Btn2
	s->btn1_irq = qdev_get_gpio_in(gpio_c, 0); // Btn1

	// Debug only. Connect the QEMU monitor here if necessary.
	// qemu_add_kbd_event_handler(stm32_p103_key_event, s);

	/* Connect RS232 to UART */
	stm32_uart_connect((Stm32Uart *) uart2, serial_hds[0], STM32_USART2_NO_REMAP);

	/* QEMU TCP gateway */

	stm32p103_emul_init(s); // TCP clients initialization

	// UART5 used to read/write debug informations from/to QEMU.
	// UART5 cannot be used on the real target. This is a "fake" peripheral that can be used in QEMU only.
	DeviceState *uart5 = DEVICE(object_resolve_path("/machine/stm32/uart[5]", NULL));
	assert(uart5);
	stm32_uart_connect((Stm32Uart *) uart5, NULL, STM32_UART5);

	DBG(": stm32_p103_init done.\n");
}
예제 #14
0
파일: fw_cfg.c 프로젝트: Tracing345/qemu
FWCfgState *fw_cfg_find(void)
{
    return OBJECT_CHECK(FWCfgState, object_resolve_path(FW_CFG_PATH, NULL),
                        TYPE_FW_CFG);
}
예제 #15
0
파일: ipl.c 프로젝트: nikunjad/qemu
static bool iplb_extended_needed(void *opaque)
{
    S390IPLState *ipl = S390_IPL(object_resolve_path(TYPE_S390_IPL, NULL));

    return ipl->iplbext_migration;
}
예제 #16
0
FWCfgState *fw_cfg_find(void)
{
    return FW_CFG(object_resolve_path(FW_CFG_PATH, NULL));
}
예제 #17
0
/* PC hardware initialisation */
static void pc_init1(MemoryRegion *system_memory,
                     MemoryRegion *system_io,
                     ram_addr_t ram_size,
                     const char *boot_device,
                     const char *kernel_filename,
                     const char *kernel_cmdline,
                     const char *initrd_filename,
                     const char *cpu_model,
                     int pci_enabled,
                     int kvmclock_enabled)
{
    int i;
    ram_addr_t below_4g_mem_size, above_4g_mem_size;
    PCIBus *pci_bus;
    ISABus *isa_bus;
    PCII440FXState *i440fx_state;
    int piix3_devfn = -1;
    qemu_irq *cpu_irq;
    qemu_irq *gsi;
    qemu_irq *i8259;
    qemu_irq *smi_irq;
    GSIState *gsi_state;
    DriveInfo *hd[MAX_IDE_BUS * MAX_IDE_DEVS];
    BusState *idebus[MAX_IDE_BUS];
    ISADevice *rtc_state;
    ISADevice *floppy;
    MemoryRegion *ram_memory;
    MemoryRegion *pci_memory;
    MemoryRegion *rom_memory;
    DeviceState *dev;

    pc_cpus_init(cpu_model);

    if (kvmclock_enabled) {
        kvmclock_create();
    }

    if (ram_size >= 0xe0000000 ) {
        above_4g_mem_size = ram_size - 0xe0000000;
        below_4g_mem_size = 0xe0000000;
    } else {
        above_4g_mem_size = 0;
        below_4g_mem_size = ram_size;
    }

    if (pci_enabled) {
        pci_memory = g_new(MemoryRegion, 1);
        memory_region_init(pci_memory, "pci", INT64_MAX);
        rom_memory = pci_memory;
    } else {
        pci_memory = NULL;
        rom_memory = system_memory;
    }

    /* allocate ram and load rom/bios */
    if (!xen_enabled()) {
        pc_memory_init(system_memory,
                       kernel_filename, kernel_cmdline, initrd_filename,
                       below_4g_mem_size, above_4g_mem_size,
                       pci_enabled ? rom_memory : system_memory, &ram_memory);
    }

    gsi_state = g_malloc0(sizeof(*gsi_state));
    if (kvm_irqchip_in_kernel()) {
        kvm_piix3_setup_irq_routing(pci_enabled);
        gsi = qemu_allocate_irqs(kvm_piix3_gsi_handler, gsi_state,
                                 GSI_NUM_PINS);
    } else {
        gsi = qemu_allocate_irqs(gsi_handler, gsi_state, GSI_NUM_PINS);
    }

    if (pci_enabled) {
        pci_bus = i440fx_init(&i440fx_state, &piix3_devfn, &isa_bus, gsi,
                              system_memory, system_io, ram_size,
                              below_4g_mem_size,
                              0x100000000ULL - below_4g_mem_size,
                              0x100000000ULL + above_4g_mem_size,
                              (sizeof(target_phys_addr_t) == 4
                               ? 0
                               : ((uint64_t)1 << 62)),
                              pci_memory, ram_memory);
    } else {
        pci_bus = NULL;
        i440fx_state = NULL;
        isa_bus = isa_bus_new(NULL, system_io);
        no_hpet = 1;
    }
    isa_bus_irqs(isa_bus, gsi);

    if (kvm_irqchip_in_kernel()) {
        i8259 = kvm_i8259_init(isa_bus);
    } else if (xen_enabled()) {
        i8259 = xen_interrupt_controller_init();
    } else {
        cpu_irq = pc_allocate_cpu_irq();
        i8259 = i8259_init(isa_bus, cpu_irq[0]);
    }

    for (i = 0; i < ISA_NUM_IRQS; i++) {
        gsi_state->i8259_irq[i] = i8259[i];
    }
    if (pci_enabled) {
        ioapic_init(gsi_state);
    }

    pc_register_ferr_irq(gsi[13]);

    dev = pc_vga_init(isa_bus, pci_enabled ? pci_bus : NULL);
    if (dev) {
        object_property_add_child(object_get_root(), "vga", OBJECT(dev), NULL);
    }

    if (xen_enabled()) {
        pci_create_simple(pci_bus, -1, "xen-platform");
    }

    /* init basic PC hardware */
    pc_basic_device_init(isa_bus, gsi, &rtc_state, &floppy, xen_enabled());

    for(i = 0; i < nb_nics; i++) {
        NICInfo *nd = &nd_table[i];

        if (!pci_enabled || (nd->model && strcmp(nd->model, "ne2k_isa") == 0))
            pc_init_ne2k_isa(isa_bus, nd);
        else
            pci_nic_init_nofail(nd, "e1000", NULL);
    }

    ide_drive_get(hd, MAX_IDE_BUS);
    if (pci_enabled) {
        PCIDevice *dev;
        if (xen_enabled()) {
            dev = pci_piix3_xen_ide_init(pci_bus, hd, piix3_devfn + 1);
        } else {
            dev = pci_piix3_ide_init(pci_bus, hd, piix3_devfn + 1);
        }
        idebus[0] = qdev_get_child_bus(&dev->qdev, "ide.0");
        idebus[1] = qdev_get_child_bus(&dev->qdev, "ide.1");

        /* FIXME there's some major spaghetti here.  Somehow we create the
         * devices on the PIIX before we actually create it.  We create the
         * PIIX3 deep in the recess of the i440fx creation too and then lose
         * the DeviceState.
         *
         * For now, let's "fix" this by making judicious use of paths.  This
         * is not generally the right way to do this.
         */
        object_property_add_child(object_resolve_path("/i440fx/piix3", NULL),
                                  "rtc", (Object *)rtc_state, NULL);
    } else {
        for(i = 0; i < MAX_IDE_BUS; i++) {
            ISADevice *dev;
            dev = isa_ide_init(isa_bus, ide_iobase[i], ide_iobase2[i],
                               ide_irq[i],
                               hd[MAX_IDE_DEVS * i], hd[MAX_IDE_DEVS * i + 1]);
            idebus[i] = qdev_get_child_bus(&dev->qdev, "ide.0");
        }
    }

    audio_init(isa_bus, pci_enabled ? pci_bus : NULL);

    pc_cmos_init(below_4g_mem_size, above_4g_mem_size, boot_device,
                 floppy, idebus[0], idebus[1], rtc_state);

    if (pci_enabled && usb_enabled) {
        usb_uhci_piix3_init(pci_bus, piix3_devfn + 2);
    }

    if (pci_enabled && acpi_enabled) {
        i2c_bus *smbus;

        smi_irq = qemu_allocate_irqs(pc_acpi_smi_interrupt, first_cpu, 1);
        /* TODO: Populate SPD eeprom data.  */
        smbus = piix4_pm_init(pci_bus, piix3_devfn + 3, 0xb100,
                              gsi[9], *smi_irq,
                              kvm_enabled());
        smbus_eeprom_init(smbus, 8, NULL, 0);
    }

    if (pci_enabled) {
        pc_pci_device_init(pci_bus);
    }
}