zc706/libcortex_a9/src/asm.rs

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Rust
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2019-05-05 20:56:23 +08:00
/// The classic no-op
#[inline]
pub fn nop() {
unsafe { asm!("nop" :::: "volatile") }
}
/// Wait For Event
#[inline]
pub fn wfe() {
unsafe { asm!("wfe" :::: "volatile") }
}
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/// Send Event
#[inline]
pub fn sev() {
unsafe { asm!("sev" :::: "volatile") }
}
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/// Data Memory Barrier
#[inline]
pub fn dmb() {
unsafe { asm!("dmb" :::: "volatile") }
}
/// Data Synchronization Barrier
#[inline]
pub fn dsb() {
unsafe { asm!("dsb" :::: "volatile") }
}
/// Instruction Synchronization Barrier
#[inline]
pub fn isb() {
unsafe { asm!("isb" :::: "volatile") }
}