Method contextSwitch

src/platforms/arm/teensy/coroutine_teensy.impl.hpp:238–244

}

void CoroutinePlatformTeensy::contextSwitch(void* from_ctx, void* to_ctx) FL_NOEXCEPT {
    auto* from = static_cast<TeensyContextState*>(from_ctx);
    auto* to = static_cast<TeensyContextState*>(to_ctx);
    // Naked asm: saves regs to from->saved_sp, restores from to->saved_sp,
    // toggles MSP/PSP via CONTROL.SPSEL
    context_switch(&from->saved_sp, to->saved_sp);
}

bool CoroutinePlatformTeensy::inInterruptContext() const FL_NOEXCEPT {
    fl::u32 ipsr;