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When a QDev instance is realized, qdev_get_machine() ends up called. In the next commit, qdev_get_machine() will require a "machine" container to be always present. To satisfy this QOM containers design, Implement qdev_create_fake_machine() which creates a fake "machine" container for user emulation. On system emulation, qemu_create_machine() is called from qemu_init(). For user emulation, since the TCG accelerator always calls tcg_init_machine(), we use it to hook our fake machine creation. Suggested-by: Peter Xu <peterx@redhat.com> Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Acked-by: Peter Xu <peterx@redhat.com> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20250102211800.79235-2-philmd@linaro.org>
19 lines
495 B
C
19 lines
495 B
C
/*
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* QDev helpers specific to user emulation.
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*
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* Copyright 2025 Linaro, Ltd.
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*
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* SPDX-License-Identifier: GPL-2.0-or-later
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*/
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#include "qemu/osdep.h"
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#include "qom/object.h"
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#include "hw/qdev-core.h"
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void qdev_create_fake_machine(void)
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{
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Object *fake_machine_obj;
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fake_machine_obj = object_property_add_new_container(object_get_root(),
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"machine");
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object_property_add_new_container(fake_machine_obj, "unattached");
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}
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