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/*

 *  Intel i960CA Dependent Source

 *

 *

 *  COPYRIGHT (c) 1989-1999.

 *  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.OARcorp.com/rtems/license.html.

 *

 *  cpu.c,v 1.15 2000/07/11 19:31:03 joel Exp

 */

#include <rtems/system.h>

#include <rtems/score/isr.h>

/*  _CPU_Initialize

 *

 *  This routine performs processor dependent initialization.

 *

 *  INPUT PARAMETERS:

 *    cpu_table       - CPU table to initialize

 *    thread_dispatch - address of disptaching routine

 *

 *  OUTPUT PARAMETERS: NONE

 */

void _CPU_Initialize(

  rtems_cpu_table  *cpu_table,

  void      (*thread_dispatch)      /* ignored on this CPU */

)

{

  _CPU_Table = *cpu_table;

}

/*PAGE

 *

 *  _CPU_ISR_Get_level

 */

unsigned32 _CPU_ISR_Get_level( void )

{

  unsigned32 level;

  i960_get_interrupt_level( level );

  return level;

}

/*PAGE

 *

 *  _CPU__ISR_install_vector

 *

 *  Install the RTEMS vector wrapper in the CPU's interrupt table.

 *

 *  Input parameters:

 *    vector      - interrupt vector number

 *    old_handler - former ISR for this vector number

 *    new_handler - replacement ISR for this vector number

 *

 *  Output parameters:  NONE

 *

 */

void _CPU_ISR_install_vector(

  unsigned32  vector,

  proc_ptr    new_handler,

  proc_ptr   *old_handler

)

{

  proc_ptr ignored;

  *old_handler = _ISR_Vector_table[ vector ];

  _CPU_ISR_install_raw_handler( vector, _ISR_Handler, &ignored );

  _ISR_Vector_table[ vector ] = new_handler;

}