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https://github.com/brain-hackers/u-boot-brain
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39 lines
819 B
C
39 lines
819 B
C
/* IRQ functions
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*
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* (C) Copyright 2007
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* Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __SPARC_IRQ_H__
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#define __SPARC_IRQ_H__
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#include <asm/psr.h>
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/* Set SPARC Processor Interrupt Level */
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static inline void set_pil(unsigned int level)
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{
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unsigned int psr = get_psr();
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put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
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}
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/* Get SPARC Processor Interrupt Level */
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static inline unsigned int get_pil(void)
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{
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unsigned int psr = get_psr();
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return (psr & PSR_PIL) >> PSR_PIL_OFS;
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}
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/* Disables interrupts and return current PIL value */
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extern int intLock(void);
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/* Sets the PIL to oldLevel */
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extern void intUnlock(int oldLevel);
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/* Return non-zero if interrupts are currently enabled */
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extern int interrupt_is_enabled(void);
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#endif
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