diff options
Diffstat (limited to 'rust/hw/char/pl011/src/device.rs')
| -rw-r--r-- | rust/hw/char/pl011/src/device.rs | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/rust/hw/char/pl011/src/device.rs b/rust/hw/char/pl011/src/device.rs index f137b49..bf88e0b 100644 --- a/rust/hw/char/pl011/src/device.rs +++ b/rust/hw/char/pl011/src/device.rs @@ -2,7 +2,7 @@ // Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org> // SPDX-License-Identifier: GPL-2.0-or-later -use std::{ffi::CStr, ptr::addr_of_mut}; +use std::{ffi::CStr, mem::size_of, ptr::addr_of_mut}; use qemu_api::{ chardev::{CharBackend, Chardev, Event}, @@ -12,6 +12,7 @@ use qemu_api::{ prelude::*, qdev::{Clock, ClockEvent, DeviceImpl, DeviceState, Property, ResetType, ResettablePhasesImpl}, qom::{ObjectImpl, Owned, ParentField}, + static_assert, sysbus::{SysBusDevice, SysBusDeviceImpl}, vmstate::VMStateDescription, }; @@ -124,6 +125,12 @@ pub struct PL011State { pub migrate_clock: bool, } +// Some C users of this device embed its state struct into their own +// structs, so the size of the Rust version must not be any larger +// than the size of the C one. If this assert triggers you need to +// expand the padding_for_rust[] array in the C PL011State struct. +static_assert!(size_of::<PL011State>() <= size_of::<qemu_api::bindings::PL011State>()); + qom_isa!(PL011State : SysBusDevice, DeviceState, Object); #[repr(C)] |