u-boot/arch/sparc/include/asm/irq.h
Peter Tyser 819833af39 Move architecture-specific includes to arch/$ARCH/include/asm
This helps to clean up the include/ directory so that it only contains
non-architecture-specific headers and also matches Linux's directory
layout which many U-Boot developers are already familiar with.

Signed-off-by: Peter Tyser <ptyser@xes-inc.com>
2010-04-13 09:13:12 +02:00

49 lines
1.4 KiB
C

/* 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