Merge pull request #880 from dhylands/irq-align
teensy: Enable 8-byte stack alignment for IRQ Handlers.
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6e2051377f
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@ -253,9 +253,13 @@ char *strdup(const char *str) {
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#endif
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int main(void) {
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pinMode(LED_BUILTIN, OUTPUT);
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delay(1000);
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// TODO: Put this in a more common initialization function.
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// Turn on STKALIGN which keeps the stack 8-byte aligned for interrupts
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// (per EABI)
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#define SCB_CCR_STKALIGN (1 << 9)
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SCB_CCR |= SCB_CCR_STKALIGN;
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pinMode(LED_BUILTIN, OUTPUT);
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led_init();
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// int first_soft_reset = true;
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