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Align delay and compensate #2318

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Merged
robbederks merged 2 commits into from
Jan 22, 2026
Merged

Align delay and compensate #2318

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align delay and compensate
robbederks Jan 15, 2026
696b932
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robbederks Jan 22, 2026
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6 changes: 4 additions & 2 deletions board/libc.h
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Original file line number Diff line number Diff line change
@@ -1,8 +1,10 @@
// **** libc ****

void delay(uint32_t a) {
__attribute__((aligned(32), noinline)) void delay(uint32_t a) {
// loop is 2.6x faster when 32-byte aligned (ART accelerator prefetches flash in 32-byte chunks)
volatile uint32_t i;
for (i = 0; i < a; i++);
uint32_t n = a * 13U / 5U;
for (i = 0; i < n; i++) {}
}

void assert_fatal(bool condition, const char *msg) {
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