Archipelago » qemu

    /* We need to generate the cpu nodes in reverse order, so Linux can pick

       the first node as boot node and be happy */

    for (i = smp_cpus - 1; i >= 0; i--) {

        uint64_t cpu_release_addr = cpu_to_be64(MPC8544_SPIN_BASE + (i * 0x20));

        for (env = first_cpu; env != NULL; env = env->next_cpu) {

            if (env->cpu_index == i) {

                break;

            }

        }

        if (!env) {

            continue;

        }

        snprintf(cpu_name, sizeof(cpu_name), "/cpus/PowerPC,8544@%x", env->cpu_index);

        qemu_devtree_add_subnode(fdt, cpu_name);

        qemu_devtree_setprop_string(fdt, cpu_name, "device_type", "cpu");

        qemu_devtree_setprop_cell(fdt, cpu_name, "reg", env->cpu_index);

        qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-line-size",

                                  env->dcache_line_size);

        qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-line-size",

                                  env->icache_line_size);

        qemu_devtree_setprop_cell(fdt, cpu_name, "d-cache-size", 0x8000);

        qemu_devtree_setprop_cell(fdt, cpu_name, "i-cache-size", 0x8000);

        qemu_devtree_setprop_cell(fdt, cpu_name, "bus-frequency", 0);

        if (env->cpu_index) {

            qemu_devtree_setprop_string(fdt, cpu_name, "status", "disabled");

            qemu_devtree_setprop_string(fdt, cpu_name, "enable-method", "spin-table");

            qemu_devtree_setprop(fdt, cpu_name, "cpu-release-addr",

                                 &cpu_release_addr, sizeof(cpu_release_addr));

        } else {

            qemu_devtree_setprop_string(fdt, cpu_name, "status", "okay");

        }