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Commit | Line | Data |
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c2f02da2 DH |
1 | /* IRQ functions |
2 | * | |
3 | * (C) Copyright 2007 | |
4 | * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. | |
5 | * | |
1a459660 | 6 | * SPDX-License-Identifier: GPL-2.0+ |
c2f02da2 DH |
7 | */ |
8 | ||
9 | #ifndef __SPARC_IRQ_H__ | |
10 | #define __SPARC_IRQ_H__ | |
11 | ||
12 | #include <asm/psr.h> | |
13 | ||
14 | /* Set SPARC Processor Interrupt Level */ | |
44d0677a | 15 | static inline void set_pil(unsigned int level) |
c2f02da2 DH |
16 | { |
17 | unsigned int psr = get_psr(); | |
18 | ||
19 | put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS)); | |
20 | } | |
21 | ||
22 | /* Get SPARC Processor Interrupt Level */ | |
44d0677a | 23 | static inline unsigned int get_pil(void) |
c2f02da2 DH |
24 | { |
25 | unsigned int psr = get_psr(); | |
26 | return (psr & PSR_PIL) >> PSR_PIL_OFS; | |
27 | } | |
28 | ||
29 | /* Disables interrupts and return current PIL value */ | |
30 | extern int intLock(void); | |
31 | ||
32 | /* Sets the PIL to oldLevel */ | |
33 | extern void intUnlock(int oldLevel); | |
34 | ||
f33f888d DH |
35 | /* Return non-zero if interrupts are currently enabled */ |
36 | extern int interrupt_is_enabled(void); | |
37 | ||
c2f02da2 | 38 | #endif |