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cmsis: add __BKPT #540

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cmsis: add __BKPT #540

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11 changes: 11 additions & 0 deletions coresimd/arm/cmsis.rs
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Original file line number Diff line number Diff line change
Expand Up @@ -327,3 +327,14 @@ pub unsafe fn __DSB() {
pub unsafe fn __DMB() {
asm!("dmb 0xF" : : : "memory" : "volatile");
}

/// Breakpoint
///
/// Causes the processor to enter Debug state. Debug tools can use this to investigate system state
/// when the instruction at a particular address is reached.
#[inline]
#[target_feature(enable = "mclass")]
#[cfg_attr(test, assert_instr(bkpt))]
pub unsafe fn __BKPT(value: u8) {
asm!("bkpt $0" : : "i"(value) : : "volatile")
}