1 files changed, 0 insertions, 48 deletions
diff --git a/vendor/portable-atomic/src/imp/interrupt/armv6m.rs b/vendor/portable-atomic/src/imp/interrupt/armv6m.rs
deleted file mode 100644
index 85037a3..0000000
--- a/vendor/portable-atomic/src/imp/interrupt/armv6m.rs
+++ /dev/null
@@ -1,48 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0 OR MIT
-
-// Adapted from https://github.com/rust-embedded/cortex-m.
-//
-// Generated asm:
-// - armv6-m https://godbolt.org/z/YxME38xcM
-
-#[cfg(not(portable_atomic_no_asm))]
-use core::arch::asm;
-
-pub(super) use core::sync::atomic;
-
-pub(super) type State = u32;
-
-/// Disables interrupts and returns the previous interrupt state.
-#[inline]
-pub(super) fn disable() -> State {
-    let r: State;
-    // SAFETY: reading the priority mask 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.
-        asm!(
-            "mrs {0}, PRIMASK",
-            "cpsid i",
-            out(reg) r,
-            options(nostack, preserves_flags),
-        );
-    }
-    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) {
-    if r & 0x1 == 0 {
-        // SAFETY: the caller must guarantee that the state was retrieved by the previous `disable`,
-        // and we've checked that interrupts were enabled before disabling interrupts.
-        unsafe {
-            // Do not use `nomem` and `readonly` because prevent preceding memory accesses from being reordered after interrupts are enabled.
-            asm!("cpsie i", options(nostack, preserves_flags));
-        }
-    }
-}