1 files changed, 0 insertions, 81 deletions
diff --git a/vendor/portable-atomic/src/imp/interrupt/riscv.rs b/vendor/portable-atomic/src/imp/interrupt/riscv.rs
deleted file mode 100644
index 65b1af2..0000000
--- a/vendor/portable-atomic/src/imp/interrupt/riscv.rs
+++ /dev/null
@@ -1,81 +0,0 @@
-// SPDX-License-Identifier: Apache-2.0 OR MIT
-
-// Refs:
-// - https://five-embeddev.com/riscv-isa-manual/latest/machine.html#machine-status-registers-mstatus-and-mstatush
-// - https://five-embeddev.com/riscv-isa-manual/latest/supervisor.html#sstatus
-//
-// Generated asm:
-// - riscv64gc https://godbolt.org/z/osbzsT679
-
-#[cfg(not(portable_atomic_no_asm))]
-use core::arch::asm;
-
-pub(super) use super::super::riscv as atomic;
-
-// Status register
-#[cfg(not(portable_atomic_s_mode))]
-macro_rules! status {
-    () => {
-        "mstatus"
-    };
-}
-#[cfg(portable_atomic_s_mode)]
-macro_rules! status {
-    () => {
-        "sstatus"
-    };
-}
-
-// MIE (Machine Interrupt Enable) bit (1 << 3)
-#[cfg(not(portable_atomic_s_mode))]
-const MASK: State = 0x8;
-#[cfg(not(portable_atomic_s_mode))]
-macro_rules! mask {
-    () => {
-        "0x8"
-    };
-}
-// SIE (Supervisor Interrupt Enable) bit (1 << 1)
-#[cfg(portable_atomic_s_mode)]
-const MASK: State = 0x2;
-#[cfg(portable_atomic_s_mode)]
-macro_rules! mask {
-    () => {
-        "0x2"
-    };
-}
-
-#[cfg(target_arch = "riscv32")]
-pub(super) type State = u32;
-#[cfg(target_arch = "riscv64")]
-pub(super) type State = u64;
-
-/// Disables interrupts and returns the previous interrupt state.
-#[inline]
-pub(super) fn disable() -> State {
-    let r: State;
-    // SAFETY: reading mstatus and disabling interrupts is 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!(concat!("csrrci {0}, ", status!(), ", ", mask!()), 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 & MASK != 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!(concat!("csrsi ", status!(), ", ", mask!()), options(nostack, preserves_flags));
-        }
-    }
-}