4 * Daniel Hellstrom, Gaisler Research, daniel@gaisler.com.
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License as
8 * published by the Free Software Foundation; either version 2 of
9 * the License, or (at your option) any later version.
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
23 #ifndef __SPARC_IRQ_H__
24 #define __SPARC_IRQ_H__
28 /* Set SPARC Processor Interrupt Level */
29 extern inline void set_pil(unsigned int level)
31 unsigned int psr = get_psr();
33 put_psr((psr & ~PSR_PIL) | ((level & 0xf) << PSR_PIL_OFS));
36 /* Get SPARC Processor Interrupt Level */
37 extern inline unsigned int get_pil(void)
39 unsigned int psr = get_psr();
40 return (psr & PSR_PIL) >> PSR_PIL_OFS;
43 /* Disables interrupts and return current PIL value */
44 extern int intLock(void);
46 /* Sets the PIL to oldLevel */
47 extern void intUnlock(int oldLevel);