From 593c408a6a8cd8b0af9bf60c7c3625da7910a737 Mon Sep 17 00:00:00 2001
From: Marc-André Lureau <marcandre.lureau@redhat.com>
Date: Mon, 8 Sep 2025 12:49:48 +0200
Subject: rust: split Rust-only "common" crate
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Signed-off-by: Marc-André Lureau <marcandre.lureau@redhat.com>
Link: https://lore.kernel.org/r/20250827104147.717203-6-marcandre.lureau@redhat.com
Reviewed-by: Zhao Liu <zhao1.liu@intel.com>
Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
---
 rust/qemu-api/src/bitops.rs | 119 --------------------------------------------
 1 file changed, 119 deletions(-)
 delete mode 100644 rust/qemu-api/src/bitops.rs

(limited to 'rust/qemu-api/src/bitops.rs')

diff --git a/rust/qemu-api/src/bitops.rs b/rust/qemu-api/src/bitops.rs
deleted file mode 100644
index b1e3a530ab..0000000000
--- a/rust/qemu-api/src/bitops.rs
+++ /dev/null
@@ -1,119 +0,0 @@
-// Copyright (C) 2024 Intel Corporation.
-// Author(s): Zhao Liu <zhao1.liu@intel.com>
-// SPDX-License-Identifier: GPL-2.0-or-later
-
-//! This module provides bit operation extensions to integer types.
-//! It is usually included via the `qemu_api` prelude.
-
-use std::ops::{
-    Add, AddAssign, BitAnd, BitAndAssign, BitOr, BitOrAssign, BitXor, BitXorAssign, Div, DivAssign,
-    Mul, MulAssign, Not, Rem, RemAssign, Shl, ShlAssign, Shr, ShrAssign,
-};
-
-/// Trait for extensions to integer types
-pub trait IntegerExt:
-    Add<Self, Output = Self> + AddAssign<Self> +
-    BitAnd<Self, Output = Self> + BitAndAssign<Self> +
-    BitOr<Self, Output = Self> + BitOrAssign<Self> +
-    BitXor<Self, Output = Self> + BitXorAssign<Self> +
-    Copy +
-    Div<Self, Output = Self> + DivAssign<Self> +
-    Eq +
-    Mul<Self, Output = Self> + MulAssign<Self> +
-    Not<Output = Self> + Ord + PartialOrd +
-    Rem<Self, Output = Self> + RemAssign<Self> +
-    Shl<Self, Output = Self> + ShlAssign<Self> +
-    Shl<u32, Output = Self> + ShlAssign<u32> + // add more as needed
-    Shr<Self, Output = Self> + ShrAssign<Self> +
-    Shr<u32, Output = Self> + ShrAssign<u32> // add more as needed
-{
-    const BITS: u32;
-    const MAX: Self;
-    const MIN: Self;
-    const ONE: Self;
-    const ZERO: Self;
-
-    #[inline]
-    #[must_use]
-    fn bit(start: u32) -> Self
-    {
-        debug_assert!(start < Self::BITS);
-
-        Self::ONE << start
-    }
-
-    #[inline]
-    #[must_use]
-    fn mask(start: u32, length: u32) -> Self
-    {
-        /* FIXME: Implement a more elegant check with error handling support? */
-        debug_assert!(start < Self::BITS && length > 0 && length <= Self::BITS - start);
-
-        (Self::MAX >> (Self::BITS - length)) << start
-    }
-
-    #[inline]
-    #[must_use]
-    fn deposit<U: IntegerExt>(self, start: u32, length: u32,
-                          fieldval: U) -> Self
-        where Self: From<U>
-    {
-        debug_assert!(length <= U::BITS);
-
-        let mask = Self::mask(start, length);
-        (self & !mask) | ((Self::from(fieldval) << start) & mask)
-    }
-
-    #[inline]
-    #[must_use]
-    fn extract(self, start: u32, length: u32) -> Self
-    {
-        let mask = Self::mask(start, length);
-        (self & mask) >> start
-    }
-}
-
-macro_rules! impl_num_ext {
-    ($type:ty) => {
-        impl IntegerExt for $type {
-            const BITS: u32 = <$type>::BITS;
-            const MAX: Self = <$type>::MAX;
-            const MIN: Self = <$type>::MIN;
-            const ONE: Self = 1;
-            const ZERO: Self = 0;
-        }
-    };
-}
-
-impl_num_ext!(u8);
-impl_num_ext!(u16);
-impl_num_ext!(u32);
-impl_num_ext!(u64);
-
-#[cfg(test)]
-mod tests {
-    use super::*;
-
-    #[test]
-    fn test_deposit() {
-        assert_eq!(15u32.deposit(8, 8, 1u32), 256 + 15);
-        assert_eq!(15u32.deposit(8, 1, 255u8), 256 + 15);
-    }
-
-    #[test]
-    fn test_extract() {
-        assert_eq!(15u32.extract(2, 4), 3);
-    }
-
-    #[test]
-    fn test_bit() {
-        assert_eq!(u8::bit(7), 128);
-        assert_eq!(u32::bit(16), 0x10000);
-    }
-
-    #[test]
-    fn test_mask() {
-        assert_eq!(u8::mask(7, 1), 128);
-        assert_eq!(u32::mask(8, 8), 0xff00);
-    }
-}
-- 
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