/* IRQ functions * * (C) Copyright 2007 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com. * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, * MA 02111-1307 USA * */ #ifndef __SPARC_IRQ_H__ #define __SPARC_IRQ_H__ #include <asm/psr.h> /* Set SPARC Processor Interrupt Level */ extern inline void set_pil(unsigned int level) { unsigned int psr = get_psr(); put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS)); } /* Get SPARC Processor Interrupt Level */ extern inline unsigned int get_pil(void) { unsigned int psr = get_psr(); return (psr & PSR_PIL) >> PSR_PIL_OFS; } /* Disables interrupts and return current PIL value */ extern int intLock(void); /* Sets the PIL to oldLevel */ extern void intUnlock(int oldLevel); #endif