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/*
* Copyright (c) 2011, 2016 embedded brains GmbH
*
* Copyright (c) 2006 Kolja Waschk (rtemsdev/ixo.de)
*
* COPYRIGHT (c) 1989-2006
* On-Line Applications Research Corporation (OAR).
*
* The license and distribution terms for this file may be
* found in the file LICENSE in this distribution or at
* http://www.rtems.org/license/LICENSE.
*/
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include <rtems/score/cpu.h>
#include <rtems/score/interr.h>
#include <rtems/score/nios2-utility.h>
bool _CPU_ISR_Is_enabled( uint32_t level )
{
switch ( _Nios2_ISR_Get_status_mask() ) {
case NIOS2_ISR_STATUS_MASK_EIC_IL:
return ((level & NIOS2_STATUS_IL_MASK) >> NIOS2_STATUS_IL_OFFSET) == 0;
case NIOS2_ISR_STATUS_MASK_EIC_RSIE:
return (level & NIOS2_STATUS_RSIE) != 0;
default:
return (level & NIOS2_STATUS_PIE) != 0;
}
}
uint32_t _CPU_ISR_Get_level( void )
{
uint32_t status = _Nios2_Get_ctlreg_status();
uint32_t level = 0;
switch ( _Nios2_ISR_Get_status_mask() ) {
case NIOS2_ISR_STATUS_MASK_IIC:
level = (status & NIOS2_STATUS_PIE) == 0;
break;
case NIOS2_ISR_STATUS_MASK_EIC_IL:
level = (status & NIOS2_STATUS_IL_MASK) >> NIOS2_STATUS_IL_OFFSET;
break;
case NIOS2_ISR_STATUS_MASK_EIC_RSIE:
level = (status & NIOS2_STATUS_RSIE) == 0;
break;
default:
/* FIXME */
_Terminate( INTERNAL_ERROR_CORE, 0xdeadbeef );
break;
}
return level;
}
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