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9964895866
Adjust build support files to new directory layout. This patch is a part of the BSP source reorganization. Update #3285.
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/**
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* @file
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* @ingroup sparc_leon3
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* @brief Install an interrupt vector on SPARC
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*/
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/* This routine installs an interrupt vector on the SPARC simulator.
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*
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* INPUT PARAMETERS:
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* handler - interrupt handler entry point
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* vector - vector number
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* type - 0 indicates raw hardware connect
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* 1 indicates RTEMS interrupt connect
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*
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* OUTPUT PARAMETERS: NONE
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*
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* RETURNS:
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* address of previous interrupt handler
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*/
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/* COPYRIGHT (c) 1989-1998.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.org/license/LICENSE.
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*
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* Ported to LEON implementation of the SPARC by On-Line Applications
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* Research Corporation (OAR) under contract to the European Space
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* Agency (ESA).
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*
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* LEON modifications of respective RTEMS file: COPYRIGHT (c) 1995.
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* European Space Agency.
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*/
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#include <bsp.h>
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rtems_isr_entry set_vector( /* returns old vector */
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rtems_isr_entry handler, /* isr routine */
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rtems_vector_number vector, /* vector number */
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int type /* RTEMS or RAW intr */
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)
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{
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rtems_isr_entry previous_isr;
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uint32_t real_trap;
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uint32_t source;
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if ( type )
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rtems_interrupt_catch( handler, vector, &previous_isr );
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else
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_CPU_ISR_install_raw_handler( vector, handler, (void *)&previous_isr );
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real_trap = SPARC_REAL_TRAP_NUMBER( vector );
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if ( LEON_INT_TRAP( real_trap ) ) {
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source = LEON_TRAP_SOURCE( real_trap );
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LEON_Clear_interrupt( source );
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LEON_Unmask_interrupt( source );
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}
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return previous_isr;
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}
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