nios2: add arch_irq_is_enabled()
This arch API was never implemented on this architecture. Fixes: #9994 Signed-off-by: Andrew Boie <andrew.p.boie@intel.com>
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@ -61,6 +61,13 @@ void arch_irq_disable(unsigned int irq)
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irq_unlock(key);
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};
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int arch_irq_is_enabled(unsigned int irq)
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{
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u32_t ienable;
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ienable = z_nios2_creg_read(NIOS2_CR_IENABLE);
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return ienable & BIT(irq);
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}
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/**
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* @brief Interrupt demux function
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