4  * SPDX-License-Identifier: Apache-2.0
48 static ALWAYS_INLINE unsigned int arch_irq_lock(void)  in arch_irq_lock()
50 	unsigned int key, tmp;  in arch_irq_lock()  local
53 	    "rdctl %[key], status\n\t"  in arch_irq_lock()
54 	    "movi %[tmp], -2\n\t"  in arch_irq_lock()
55 	    "and %[tmp], %[key], %[tmp]\n\t"  in arch_irq_lock()
57 	    : [key] "=r" (key), [tmp] "=r" (tmp)  in arch_irq_lock()
60 	return key;  in arch_irq_lock()
63 static ALWAYS_INLINE void arch_irq_unlock(unsigned int key)  in arch_irq_unlock()  argument
67 	 * in which case we can just write the value stored in key,  in arch_irq_unlock()
79 	    "andi %[key], %[key], 1\n\t"  in arch_irq_unlock()
80 	    "beq %[key], zero, 1f\n\t"  in arch_irq_unlock()
81 	    "rdctl %[key], status\n\t"  in arch_irq_unlock()
82 	    "ori %[key], %[key], 1\n\t"  in arch_irq_unlock()
83 	    "wrctl status, %[key]\n\t"  in arch_irq_unlock()
85 	    : [key] "+r" (key)  in arch_irq_unlock()
89 	    "wrctl status, %[key]"  in arch_irq_unlock()
90 	    : : [key] "r" (key)  in arch_irq_unlock()
95 static ALWAYS_INLINE bool arch_irq_unlocked(unsigned int key)  in arch_irq_unlocked()  argument
97 	return key & 1;  in arch_irq_unlocked()
100 void arch_irq_enable(unsigned int irq);
101 void arch_irq_disable(unsigned int irq);
103 FUNC_NORETURN void z_SysFatalErrorHandler(unsigned int reason,
106 FUNC_NORETURN void z_NanoFatalErrorHandler(unsigned int reason,
110 	NIOS2_EXCEPTION_UNKNOWN                      = -1,