1 files changed, 0 insertions, 64 deletions
diff --git a/vendor/portable-atomic/src/imp/interrupt/msp430.rs b/vendor/portable-atomic/src/imp/interrupt/msp430.rs
deleted file mode 100644
index 8c1ca80..0000000
--- a/vendor/portable-atomic/src/imp/interrupt/msp430.rs
+++ /dev/null
@@ -1,64 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0 OR MIT
-
-// Adapted from https://github.com/rust-embedded/msp430.
-//
-// See also src/imp/msp430.rs.
-//
-// Refs: https://www.ti.com/lit/ug/slau208q/slau208q.pdf
-
-#[cfg(not(portable_atomic_no_asm))]
-use core::arch::asm;
-
-pub(super) use super::super::msp430 as atomic;
-
-pub(super) type State = u16;
-
-/// Disables interrupts and returns the previous interrupt state.
-#[inline]
-pub(super) fn disable() -> State {
-    let r: State;
-    // SAFETY: reading the status register and disabling interrupts are safe.
-    // (see module-level comments of interrupt/mod.rs on the safety of using privileged instructions)
-    unsafe {
-        // Do not use `nomem` and `readonly` because prevent subsequent memory accesses from being reordered before interrupts are disabled.
-        // Do not use `preserves_flags` because DINT modifies the GIE (global interrupt enable) bit of the status register.
-        #[cfg(not(portable_atomic_no_asm))]
-        asm!(
-            "mov R2, {0}",
-            "dint {{ nop",
-            out(reg) r,
-            options(nostack),
-        );
-        #[cfg(portable_atomic_no_asm)]
-        {
-            llvm_asm!("mov R2, $0" : "=r"(r) ::: "volatile");
-            llvm_asm!("dint { nop" ::: "memory" : "volatile");
-        }
-    }
-    r
-}
-
-/// Restores the previous interrupt state.
-///
-/// # Safety
-///
-/// The state must be the one retrieved by the previous `disable`.
-#[inline]
-pub(super) unsafe fn restore(r: State) {
-    // SAFETY: the caller must guarantee that the state was retrieved by the previous `disable`,
-    unsafe {
-        // This clobbers the entire status register, but we never explicitly modify
-        // flags within a critical session, and the only flags that may be changed
-        // within a critical session are the arithmetic flags that are changed as
-        // a side effect of arithmetic operations, etc., which LLVM recognizes,
-        // so it is safe to clobber them here.
-        // See also the discussion at https://github.com/taiki-e/portable-atomic/pull/40.
-        //
-        // Do not use `nomem` and `readonly` because prevent preceding memory accesses from being reordered after interrupts are enabled.
-        // Do not use `preserves_flags` because MOV modifies the status register.
-        #[cfg(not(portable_atomic_no_asm))]
-        asm!("nop {{ mov {0}, R2 {{ nop", in(reg) r, options(nostack));
-        #[cfg(portable_atomic_no_asm)]
-        llvm_asm!("nop { mov $0, R2 { nop" :: "r"(r) : "memory" : "volatile");
-    }
-}