mirror of https://gitee.com/openkylin/qemu.git
63 lines
1.7 KiB
C
63 lines
1.7 KiB
C
/*
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* Generic device-tree-driven paravirt PPC e500 platform
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*
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* Copyright 2012 Freescale Semiconductor, Inc.
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*
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* This is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*/
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#include "config.h"
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#include "qemu-common.h"
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#include "e500.h"
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#include "hw/boards.h"
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#include "sysemu/device_tree.h"
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#include "hw/pci/pci.h"
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#include "hw/ppc/openpic.h"
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#include "kvm_ppc.h"
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static void e500plat_fixup_devtree(PPCE500Params *params, void *fdt)
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{
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const char model[] = "QEMU ppce500";
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const char compatible[] = "fsl,qemu-e500";
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qemu_devtree_setprop(fdt, "/", "model", model, sizeof(model));
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qemu_devtree_setprop(fdt, "/", "compatible", compatible,
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sizeof(compatible));
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}
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static void e500plat_init(QEMUMachineInitArgs *args)
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{
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PPCE500Params params = {
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.pci_first_slot = 0x1,
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.pci_nr_slots = PCI_SLOT_MAX - 1,
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.fixup_devtree = e500plat_fixup_devtree,
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.mpic_version = OPENPIC_MODEL_FSL_MPIC_42,
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};
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/* Older KVM versions don't support EPR which breaks guests when we announce
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MPIC variants that support EPR. Revert to an older one for those */
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if (kvm_enabled() && !kvmppc_has_cap_epr()) {
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params.mpic_version = OPENPIC_MODEL_FSL_MPIC_20;
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}
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ppce500_init(args, ¶ms);
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}
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static QEMUMachine e500plat_machine = {
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.name = "ppce500",
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.desc = "generic paravirt e500 platform",
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.init = e500plat_init,
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.max_cpus = 32,
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DEFAULT_MACHINE_OPTIONS,
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};
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static void e500plat_machine_init(void)
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{
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qemu_register_machine(&e500plat_machine);
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}
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machine_init(e500plat_machine_init);
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