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Switched to SCV64.

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This commit is contained in:
Joel Sherrill
1998-07-15 14:06:08 +00:00
parent 8f563b9b3c
commit e49ef37cdf
1 changed files with 57 additions and 22 deletions
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79
c/src/lib/libbsp/powerpc/dmv177/startup/genpvec.c
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@@ -64,28 +64,56 @@ rtems_isr external_exception_ISR (
rtems_vector_number vector /* IN */
)
{
rtems_unsigned16 index;
rtems_vector_number chained_vector;
Chain_Node *node;
EE_ISR_Type *ee_isr;
/*
* Read vector.
*/
chained_vector = Get_interrupt();
index = chained_vector - DMV170_IRQ_FIRST;
node = ISR_Array[ index ].first;
while ( !_Chain_Is_tail( &ISR_Array[ index ], node ) ) {
ee_isr = (EE_ISR_Type *) node;
(*ee_isr->handler)( ee_isr->vector );
node = node->next;
}
rtems_unsigned16 index;
rtems_boolean is_active=FALSE;
rtems_unsigned32 scv64_status;
rtems_vector_number chained_vector;
Chain_Node *node;
EE_ISR_Type *ee_isr;
/*
* Clear the interrupt.
*/
Clear_interrupt( chained_vector );
/*
* Get all active interrupts.
*/
scv64_status = SCV64_Get_Interrupt();
/*
* Process any set interrupts.
*/
for (index = 0; index <= 5; index++) {
switch(index) {
case 0:
is_active = SCV64_Is_IRQ0( scv64_status );
break;
case 1:
is_active = SCV64_Is_IRQ1( scv64_status );
break;
case 2:
is_active = SCV64_Is_IRQ2( scv64_status );
break;
case 3:
is_active = SCV64_Is_IRQ3( scv64_status );
break;
case 4:
is_active = SCV64_Is_IRQ4( scv64_status );
break;
case 5:
is_active = SCV64_Is_IRQ5( scv64_status );
break;
}
if (is_active) {
/*
* Read vector.
*/
node = ISR_Array[ index ].first;
while ( !_Chain_Is_tail( &ISR_Array[ index ], node ) ) {
ee_isr = (EE_ISR_Type *) node;
(*ee_isr->handler)( ee_isr->vector );
node = node->next;
}
}
}
}
@@ -110,6 +138,11 @@ void initialize_external_exception_vector ()
Nodes_Used = 0;
/*
* Initialize the SCV64 chip
*/
SCV64_Initialize();
for (i=0; i <NUM_LIRQ; i++)
Chain_Initialize_empty( &ISR_Array[i] );
@@ -121,7 +154,6 @@ void initialize_external_exception_vector ()
status = rtems_interrupt_catch( external_exception_ISR,
PPC_IRQ_EXTERNAL , (rtems_isr_entry *) &previous_isr );
Init_Css();
}
/*PAGE
@@ -187,7 +219,10 @@ rtems_isr_entry set_EE_vector(
/*
* Enable the interrupt.
*/
enable_card_interrupt( vector );
if (vector == DMV170_LIRQ5)
SCV64_Generate_DUART_Interrupts();
else
enable_card_interrupt( vector );
/*
* No interrupt service routine was removed so return 0