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// Copyright 2024, Linaro Limited
// Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
// SPDX-License-Identifier: GPL-2.0-or-later
use core::ptr::NonNull;
use qemu_api::{bindings::*, definitions::ObjectImpl};
use crate::device::PL011State;
#[used]
pub static VMSTATE_PL011: VMStateDescription = VMStateDescription {
name: PL011State::TYPE_INFO.name,
unmigratable: true,
..unsafe { ::core::mem::MaybeUninit::<VMStateDescription>::zeroed().assume_init() }
};
qemu_api::declare_properties! {
PL011_PROPERTIES,
qemu_api::define_property!(
c"chardev",
PL011State,
char_backend,
unsafe { &qdev_prop_chr },
CharBackend
),
qemu_api::define_property!(
c"migrate-clk",
PL011State,
migrate_clock,
unsafe { &qdev_prop_bool },
bool
),
}
qemu_api::device_class_init! {
pl011_class_init,
props => PL011_PROPERTIES,
realize_fn => Some(pl011_realize),
legacy_reset_fn => Some(pl011_reset),
vmsd => VMSTATE_PL011,
}
/// # Safety
///
/// We expect the FFI user of this function to pass a valid pointer, that has
/// the same size as [`PL011State`]. We also expect the device is
/// readable/writeable from one thread at any time.
#[no_mangle]
pub unsafe extern "C" fn pl011_realize(dev: *mut DeviceState, _errp: *mut *mut Error) {
unsafe {
assert!(!dev.is_null());
let mut state = NonNull::new_unchecked(dev.cast::<PL011State>());
state.as_mut().realize();
}
}
/// # Safety
///
/// We expect the FFI user of this function to pass a valid pointer, that has
/// the same size as [`PL011State`]. We also expect the device is
/// readable/writeable from one thread at any time.
#[no_mangle]
pub unsafe extern "C" fn pl011_reset(dev: *mut DeviceState) {
unsafe {
assert!(!dev.is_null());
let mut state = NonNull::new_unchecked(dev.cast::<PL011State>());
state.as_mut().reset();
}
}
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