diff options
Diffstat (limited to 'src/_arch/arm/asm.rs')
| -rw-r--r-- | src/_arch/arm/asm.rs | 24 |
1 files changed, 9 insertions, 15 deletions
diff --git a/src/_arch/arm/asm.rs b/src/_arch/arm/asm.rs index 5d53aa0..f767e08 100644 --- a/src/_arch/arm/asm.rs +++ b/src/_arch/arm/asm.rs @@ -7,40 +7,34 @@ /// # Wait for event #[inline(always)] pub fn wfe() { - unsafe { - core::arch::asm!("wfe", options(nomem, nostack)) - } + unsafe { core::arch::asm!("wfe", options(nomem, nostack)) } } /// # No Operation #[inline(always)] pub fn nop() { - unsafe { - core::arch::asm!("nop", options(nomem, nostack)) - } + unsafe { core::arch::asm!("nop", options(nomem, nostack)) } } /// # Store u32 to memory address #[inline] pub fn store32(addr: u32, value: u32) { - unsafe { - *(addr as *mut u32) = value; - } + unsafe { + *(addr as *mut u32) = value; + } } /// # Read u32 from memory address #[inline] pub fn load32(addr: u32) -> u32 { - unsafe { - *(addr as *mut u32) - } + unsafe { *(addr as *mut u32) } } /// # Spin CPU for `n` cycles #[inline] pub fn spin_for_n_cycles(n: u32) { - unsafe { - core::arch::asm!("1: subs r1, #1 + unsafe { + core::arch::asm!("1: subs r1, #1 bne 1b", in("r1") n); - } + } } |