Yaya48
cf256aa081
Upstream: https://gitlab.com/qemu-project/qemu.git Upstream-Commit: d2e570cc0f97b936902a5b1b86b73c0f5998b475
68 lines
1.8 KiB
C
68 lines
1.8 KiB
C
/*
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* NMI monitor handler class and helpers.
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*
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* Copyright IBM Corp., 2014
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*
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* Author: Alexey Kardashevskiy <[email protected]>
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*
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* This program 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,
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* or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, see <http://www.gnu.org/licenses/>.
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*/
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#include "qemu/osdep.h"
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#include "hw/core/nmi.h"
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#include "qapi/error.h"
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static int do_nmi(Object *o, void *opaque)
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{
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bool *handled = opaque;
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NMIState *n = (NMIState *) object_dynamic_cast(o, TYPE_NMI);
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if (n) {
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*handled = true;
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NMI_GET_CLASS(n)->raise_nmi(n);
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/*
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* We expect only one object to implement TYPE_NMI, so once
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* we've asked it to deliver the NMI we can stop looking.
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*/
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return 1;
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}
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return 0;
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}
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bool nmi_inject(Error **errp)
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{
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bool handled = false;
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object_child_foreach_recursive(object_get_root(), do_nmi, &handled);
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if (!handled) {
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error_setg(errp, "machine does not provide NMIs");
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return false;
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}
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return true;
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}
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static const TypeInfo nmi_info = {
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.name = TYPE_NMI,
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.parent = TYPE_INTERFACE,
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.class_size = sizeof(NMIClass),
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};
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static void nmi_register_types(void)
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{
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type_register_static(&nmi_info);
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}
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type_init(nmi_register_types)
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