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-rw-r--r--c/src/exec/score/cpu/c4x/irq.c82
1 files changed, 0 insertions, 82 deletions
diff --git a/c/src/exec/score/cpu/c4x/irq.c b/c/src/exec/score/cpu/c4x/irq.c
deleted file mode 100644
index 055bae40c4..0000000000
--- a/c/src/exec/score/cpu/c4x/irq.c
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * C4x CPU 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.
- *
- * $Id$
- */
-
-#include <rtems/system.h>
-#include <rtems/score/cpu.h>
-#include <rtems/score/isr.h>
-#include <rtems/score/thread.h>
-
-/*
- * This routine provides the RTEMS interrupt management.
- */
-
-#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
- unsigned long *_old_stack_ptr;
-#endif
-
-register unsigned long *stack_ptr asm("sp");
-
-void __ISR_Handler(unsigned32 vector, void *isr_sp)
-{
- register unsigned32 level;
-
- /* already disabled when we get here */
- /* _CPU_ISR_Disable( level ); */
-
- _Thread_Dispatch_disable_level++;
-
-#if 0
- if ( stack_ptr > (_Thread_Executing->Start.stack +
- _Thread_Executing->Start.Initial_stack.size) ) {
- printk( "Blown interrupt stack at 0x%x\n", stack_ptr );
- }
-#endif
-
-#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
- if ( _ISR_Nest_level == 0 ) {
- /* Install irq stack */
- _old_stack_ptr = stack_ptr;
- stack_ptr = _CPU_Interrupt_stack_low;
- }
-#endif
-
- _ISR_Nest_level++;
-
- /* leave it to the ISR to decide if they get reenabled */
- /* _CPU_ISR_Enable( level ); */
-
- /* call isp */
- if ( _ISR_Vector_table[ vector] )
- (*_ISR_Vector_table[ vector ])(
- vector, isr_sp - sizeof(CPU_Interrupt_frame) + 1 );
-
- _CPU_ISR_Disable( level );
-
- _ISR_Nest_level--;
-
-#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE)
- if ( _ISR_Nest_level == 0 ) /* restore old stack pointer */
- stack_ptr = _old_stack_ptr;
-#endif
-
- _Thread_Dispatch_disable_level--;
-
- _CPU_ISR_Enable( level );
- if ( _Thread_Dispatch_disable_level == 0 ) {
- if ( _Context_Switch_necessary || !_ISR_Signals_to_thread_executing ) {
- _ISR_Signals_to_thread_executing = FALSE;
- _Thread_Dispatch();
- }
- }
-}