| /* 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 |
