diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/peripheral/mod.rs | 6 |
1 files changed, 5 insertions, 1 deletions
diff --git a/src/peripheral/mod.rs b/src/peripheral/mod.rs index 5be5760..4884223 100644 --- a/src/peripheral/mod.rs +++ b/src/peripheral/mod.rs @@ -623,9 +623,13 @@ impl Scb { } /// Invalidates D-cache + /// + /// Note that calling this while the dcache is enabled will probably wipe out your + /// stack, depending on optimisations, breaking returning to the call point. + /// It's used immediately before enabling the dcache, but not exported publicly. #[cfg(armv7m)] #[inline] - pub fn invalidate_dcache(&self, cpuid: &Cpuid) { + fn invalidate_dcache(&self, cpuid: &Cpuid) { // All of CBP is write-only so no data races are possible let cbp = unsafe { &mut *CBP.get() }; |