externC hal_mpc5xx_arbitration_data *
hal_mpc5xx_remove_arbitration_isr(cyg_uint32 apriority)
{
hal_mpc5xx_arbitration_data * result = 0;
// Find the SIU vector from the priority
CYG_ADDRWORD vector = 2*(1 + apriority);
if(vector < CYGNUM_HAL_INTERRUPT_SIU_LVL7)
{
result = (hal_mpc5xx_arbitration_data *)(hal_interrupt_objects[vector]);
HAL_INTERRUPT_DETACH(vector, hal_interrupt_handlers[vector]);
}
else
{
#ifdef CYGSEM_HAL_POWERPC_MPC5XX_IMB3_ARBITER
// Prevent anything from coming through while manipulating the list
HAL_INTERRUPT_MASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
result = mpc5xx_remove(imb3_data_head, apriority);
// If something was removed, update the list.
if(result) imb3_data_head = result->reserved;
HAL_INTERRUPT_UNMASK(CYGNUM_HAL_INTERRUPT_SIU_LVL7);
#else
result = (hal_mpc5xx_arbitration_data *)(hal_interrupt_objects[CYGNUM_HAL_INTERRUPT_SIU_LVL7]);
HAL_INTERRUPT_DETACH(CYGNUM_HAL_INTERRUPT_SIU_LVL7, hal_interrupt_handlers[CYGNUM_HAL_INTERRUPT_SIU_LVL7]);
#endif
}
return result;
}
externC void cyg_drv_interrupt_detach( cyg_handle_t interrupt )
{
cyg_interrupt *intr = (cyg_interrupt *)interrupt;
CYG_REPORT_FUNCTION();
CYG_ASSERT( intr->vector >= CYGNUM_HAL_ISR_MIN, "Invalid vector");
CYG_ASSERT( intr->vector <= CYGNUM_HAL_ISR_MAX, "Invalid vector");
#ifdef CYGIMP_HAL_COMMON_INTERRUPTS_CHAIN
// Remove the interrupt object from the vector chain.
{
cyg_uint32 index;
cyg_interrupt **p;
HAL_TRANSLATE_VECTOR( intr->vector, index );
p = &chain_list[index];
while( *p != NULL )
{
cyg_interrupt *n = *p;
if( n == intr )
{
*p = intr->next;
break;
}
p = &n->next;
}
// If this was the last one, detach the vector.
if( chain_list[index] == NULL )
HAL_INTERRUPT_DETACH( intr->vector, chain_isr );
}
#else
HAL_INTERRUPT_DETACH( intr->vector, intr->isr );
#endif
CYG_REPORT_RETURN();
}
void sparc_ex_main( void )
{
int i;
CYG_TEST_INIT();
for ( i = CYGNUM_HAL_EXCEPTION_MIN; i <= CYGNUM_HAL_EXCEPTION_MAX; i++ ){
int j;
HAL_TRANSLATE_VECTOR( i, j );
HAL_INTERRUPT_ATTACH( j, &fail_exception_handler, j, 0 );
// we must also ensure that eCos handles the exception;
// do not drop into CygMon or equivalent.
// Leave USER_TRAP undisturbed so that breakpoints work.
if ( CYGNUM_HAL_VECTOR_USER_TRAP != i ) {
extern void hal_default_exception_vsr( void );
HAL_VSR_SET( i, (CYG_ADDRESS)hal_default_exception_vsr, NULL );
}
}
HAL_TRANSLATE_VECTOR( CYGNUM_HAL_VECTOR_UNALIGNED, i );
HAL_INTERRUPT_DETACH( i, &fail_exception_handler );
HAL_INTERRUPT_ATTACH( i, &skip_exception_handler, i, 0 );
CYG_TEST_INFO( "Vectors attached OK; calling do_test" );
do_test();
CYG_TEST_EXIT( "Done" );
}
