1c592bf19b
Commit c1eb3ac346 ("target/sparc: Replace
VMSTATE_VARRAY_MULTIPLY -> VMSTATE_UINTTL_ARRAY") removed the
last use of the VMSTATE_VARRAY_MULTIPLY() macro. We can now
remove it as unnecessary, along with the VMS_MULTIPLY_ELEMENTS
flag and the associated tests.
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Fabiano Rosas <farosas@suse.de>
Reviewed-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Acked-by: Manos Pitsidianakis <manos.pitsidianakis@linaro.org>
Link: https://lore.kernel.org/r/20260507070228.48877-1-philmd@linaro.org
Signed-off-by: Peter Xu <peterx@redhat.com>
118 lines
3.7 KiB
Rust
118 lines
3.7 KiB
Rust
// SPDX-License-Identifier: GPL-2.0-or-later
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#![allow(
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dead_code,
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improper_ctypes_definitions,
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improper_ctypes,
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non_camel_case_types,
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non_snake_case,
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non_upper_case_globals,
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unnecessary_transmutes,
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unsafe_op_in_unsafe_fn,
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clippy::pedantic,
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clippy::restriction,
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clippy::style,
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clippy::missing_const_for_fn,
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clippy::ptr_offset_with_cast,
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clippy::useless_transmute,
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clippy::missing_safety_doc,
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clippy::too_many_arguments
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)]
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use common::Zeroable;
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use util_sys::{Error, JSONWriter, QEMUFile};
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#[cfg(MESON)]
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include!("bindings.inc.rs");
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#[cfg(not(MESON))]
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include!(concat!(env!("OUT_DIR"), "/bindings.inc.rs"));
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unsafe impl Send for VMStateDescription {}
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unsafe impl Sync for VMStateDescription {}
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unsafe impl Send for VMStateField {}
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unsafe impl Sync for VMStateField {}
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unsafe impl Send for VMStateInfo {}
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unsafe impl Sync for VMStateInfo {}
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// bindgen does not derive Default here
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#[allow(clippy::derivable_impls)]
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impl Default for VMStateFlags {
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fn default() -> Self {
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Self(0)
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}
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}
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unsafe impl Zeroable for VMStateFlags {}
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unsafe impl Zeroable for VMStateField {}
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unsafe impl Zeroable for VMStateDescription {}
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// The following higher-level helpers could be in "migration"
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// crate when Rust has const trait impl.
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pub trait VMStateFlagsExt {
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const VMS_VARRAY_FLAGS: VMStateFlags;
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}
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impl VMStateFlagsExt for VMStateFlags {
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const VMS_VARRAY_FLAGS: VMStateFlags = VMStateFlags(
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VMStateFlags::VMS_VARRAY_INT32.0
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| VMStateFlags::VMS_VARRAY_UINT8.0
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| VMStateFlags::VMS_VARRAY_UINT16.0
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| VMStateFlags::VMS_VARRAY_UINT32.0,
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);
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}
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// Add a couple builder-style methods to VMStateField, allowing
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// easy derivation of VMStateField constants from other types.
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impl VMStateField {
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#[must_use]
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pub const fn with_version_id(mut self, version_id: i32) -> Self {
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assert!(version_id >= 0);
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self.version_id = version_id;
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self
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}
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#[must_use]
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pub const fn with_array_flag(mut self, num: usize) -> Self {
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assert!(num <= 0x7FFF_FFFFusize);
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assert!((self.flags.0 & VMStateFlags::VMS_ARRAY.0) == 0);
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assert!((self.flags.0 & VMStateFlags::VMS_VARRAY_FLAGS.0) == 0);
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if (self.flags.0 & VMStateFlags::VMS_POINTER.0) != 0 {
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self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_POINTER.0);
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self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_ARRAY_OF_POINTER.0);
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// VMS_ARRAY_OF_POINTER flag stores the size of pointer.
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// FIXME: *const, *mut, NonNull and Box<> have the same size as usize.
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// Resize if more smart pointers are supported.
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self.size = std::mem::size_of::<usize>();
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}
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self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_SINGLE.0);
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self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_ARRAY.0);
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self.num = num as i32;
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self
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}
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#[must_use]
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pub const fn with_pointer_flag(mut self) -> Self {
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assert!((self.flags.0 & VMStateFlags::VMS_POINTER.0) == 0);
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self.flags = VMStateFlags(self.flags.0 | VMStateFlags::VMS_POINTER.0);
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self
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}
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#[must_use]
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pub const fn with_varray_flag_unchecked(mut self, flag: VMStateFlags) -> Self {
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self.flags = VMStateFlags(self.flags.0 & !VMStateFlags::VMS_ARRAY.0);
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self.flags = VMStateFlags(self.flags.0 | flag.0);
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self.num = 0; // varray uses num_offset instead of num.
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self
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}
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#[must_use]
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#[allow(unused_mut)]
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pub const fn with_varray_flag(mut self, flag: VMStateFlags) -> Self {
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assert!((self.flags.0 & VMStateFlags::VMS_ARRAY.0) != 0);
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self.with_varray_flag_unchecked(flag)
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}
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}
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