2 * Copyright 2015, Olivier MATZ <zer0@droids-corp.org>
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * * Neither the name of the University of California, Berkeley nor the
13 * names of its contributors may be used to endorse or promote products
14 * derived from this software without specific prior written permission.
16 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND ANY
17 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
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23 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
25 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 typedef uint32_t ucg_irqflags_t;
35 static inline uint32_t __ucg_get_primask(void)
37 ucg_irqflags_t primask_reg;
48 static inline void __ucg_set_primask(ucg_irqflags_t primask_reg)
57 static inline void ucg_irq_lock(void)
59 __asm volatile ("cpsid i");
62 static inline void ucg_irq_unlock(void)
64 __asm volatile ("cpsie i");
67 static inline ucg_irqflags_t ucg_irq_lock_save(void)
71 flags = __ucg_get_primask();
76 static inline void ucg_irq_unlock_restore(ucg_irqflags_t flags)
78 __ucg_set_primask(flags);
81 static inline int ucg_irq_locked(void)
83 ucg_irqflags_t flags = __ucg_get_primask();
87 #endif /* UCG_IRQ_H_ */