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https://github.com/Motorhead1991/qemu.git
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b3a29b3dc0
read() can now return a simple u64. Reviewed-by: Zhao Liu <zhao1.liu@intel.com> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
34 lines
1.1 KiB
Rust
34 lines
1.1 KiB
Rust
// Copyright 2024, Linaro Limited
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// Author(s): Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
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// SPDX-License-Identifier: GPL-2.0-or-later
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use core::ptr::NonNull;
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use std::os::raw::{c_uint, c_void};
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use qemu_api::{bindings::*, zeroable::Zeroable};
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use crate::device::PL011State;
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pub static PL011_OPS: MemoryRegionOps = MemoryRegionOps {
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read: Some(pl011_read),
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write: Some(pl011_write),
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read_with_attrs: None,
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write_with_attrs: None,
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endianness: device_endian::DEVICE_NATIVE_ENDIAN,
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valid: Zeroable::ZERO,
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impl_: MemoryRegionOps__bindgen_ty_2 {
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min_access_size: 4,
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max_access_size: 4,
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..Zeroable::ZERO
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},
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};
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unsafe extern "C" fn pl011_read(opaque: *mut c_void, addr: hwaddr, size: c_uint) -> u64 {
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let mut state = NonNull::new(opaque).unwrap().cast::<PL011State>();
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unsafe { state.as_mut() }.read(addr, size)
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}
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unsafe extern "C" fn pl011_write(opaque: *mut c_void, addr: hwaddr, data: u64, _size: c_uint) {
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let mut state = NonNull::new(opaque).unwrap().cast::<PL011State>();
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unsafe { state.as_mut() }.write(addr, data);
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}
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