Archipelago » qemu

/*

 * Generic device-tree-driven paravirt PPC e500 platform

 *

 * Copyright 2012 Freescale Semiconductor, Inc.

 *

 * This is free software; you can redistribute it and/or modify

 * it under the terms of  the GNU General  Public License as published by

 * the Free Software Foundation;  either version 2 of the  License, or

 * (at your option) any later version.

 */

#include "config.h"

#include "qemu-common.h"

#include "e500.h"

#include "hw/boards.h"

#include "sysemu/device_tree.h"

#include "hw/pci/pci.h"

#include "hw/ppc/openpic.h"

#include "kvm_ppc.h"

static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)

{

    const char model[] = "QEMU ppce500";

    const char compatible[] = "fsl,qemu-e500";

    qemu_fdt_setprop(fdt, "/", "model", model, sizeof(model));

    qemu_fdt_setprop(fdt, "/", "compatible", compatible,

                     sizeof(compatible));

}

static void e500plat_init(QEMUMachineInitArgs *args)

{

    PPCE500Params params = {

        .pci_first_slot = 0x1,

        .pci_nr_slots = PCI_SLOT_MAX - 1,

        .fixup_devtree = e500plat_fixup_devtree,

        .mpic_version = OPENPIC_MODEL_FSL_MPIC_42,

    };

    /* Older KVM versions don't support EPR which breaks guests when we announce

       MPIC variants that support EPR. Revert to an older one for those */

    if (kvm_enabled() && !kvmppc_has_cap_epr()) {

        params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;

    }

    ppce500_init(args, &params);

}

static QEMUMachine e500plat_machine = {

    .name = "ppce500",

    .desc = "generic paravirt e500 platform",

    .init = e500plat_init,

    .max_cpus = 32,

};

static void e500plat_machine_init(void)

{

    qemu_register_machine(&e500plat_machine);

}

machine_init(e500plat_machine_init);