53 lines
1.4 KiB
C
53 lines
1.4 KiB
C
/*
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* Milkymist SoC (Software)
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* Copyright (C) 2007, 2008, 2009 Sebastien Bourdeauducq
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, version 3 of the License.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __IRQ_H
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#define __IRQ_H
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static inline unsigned int irq_getie(void)
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{
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unsigned int ie;
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__asm__ __volatile__("rcsr %0, IE" : "=r" (ie));
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return ie;
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}
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static inline void irq_setie(unsigned int ie)
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{
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__asm__ __volatile__("wcsr IE, %0" : : "r" (ie));
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}
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static inline unsigned int irq_getmask(void)
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{
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unsigned int mask;
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__asm__ __volatile__("rcsr %0, IM" : "=r" (mask));
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return mask;
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}
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static inline void irq_setmask(unsigned int mask)
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{
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__asm__ __volatile__("wcsr IM, %0" : : "r" (mask));
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}
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static inline unsigned int irq_pending(void)
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{
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unsigned int pending;
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__asm__ __volatile__("rcsr %0, IP" : "=r" (pending));
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return pending;
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}
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#endif /* __IRQ_H */
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