diff options
Diffstat (limited to 'c/src/exec/rtems/src/intr.c')
-rw-r--r-- | c/src/exec/rtems/src/intr.c | 85 |
1 files changed, 0 insertions, 85 deletions
diff --git a/c/src/exec/rtems/src/intr.c b/c/src/exec/rtems/src/intr.c deleted file mode 100644 index 25f5176967..0000000000 --- a/c/src/exec/rtems/src/intr.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Interrupt Manager - * - * - * COPYRIGHT (c) 1989, 1990, 1991, 1992, 1993, 1994. - * On-Line Applications Research Corporation (OAR). - * All rights assigned to U.S. Government, 1994. - * - * This material may be reproduced by or for the U.S. Government pursuant - * to the copyright license under the clause at DFARS 252.227-7013. This - * notice must appear in all copies of this file and its derivatives. - * - * $Id$ - */ - -#include <rtems/system.h> -#include <rtems/isr.h> -#include <rtems/stack.h> -#include <rtems/intr.h> -#include <rtems/wkspace.h> - -/* _Interrupt_Manager_initialization - * - * This routine initializes the interrupt manager. - * - * Input parameters: NONE - * - * Output parameters: NONE - */ - -void _Interrupt_Manager_initialization( void ) -{ -#if ( CPU_ALLOCATE_INTERRUPT_STACK == TRUE ) - - if ( _CPU_Table.interrupt_stack_size < RTEMS_MINIMUM_STACK_SIZE ) - rtems_fatal_error_occurred( RTEMS_INVALID_SIZE ); - - _CPU_Interrupt_stack_low = - _Workspace_Allocate_or_fatal_error( _CPU_Table.interrupt_stack_size ); - - _CPU_Interrupt_stack_high = _Addresses_Add_offset( - _CPU_Interrupt_stack_low, - _CPU_Table.interrupt_stack_size - ); - -#endif - -#if ( CPU_HAS_HARDWARE_INTERRUPT_STACK == TRUE ) - _CPU_Install_interrupt_stack(); -#endif - -} - -/* rtems_interrupt_catch - * - * This directive allows a thread to specify what action to take when - * catching signals. - * - * Input parameters: - * new_isr_handler - address of interrupt service routine (isr) - * vector - interrupt vector number - * old_isr_handler - address at which to store previous ISR address - * - * Output parameters: - * RTEMS_SUCCESSFUL - always succeeds - * *old_isr_handler - previous ISR address - */ - -rtems_status_code rtems_interrupt_catch( - rtems_isr_entry new_isr_handler, - rtems_vector_number vector, - rtems_isr_entry *old_isr_handler -) -{ - if ( !_ISR_Is_vector_number_valid( vector ) ) - return( RTEMS_INVALID_NUMBER ); - - if ( !_ISR_Is_valid_user_handler( new_isr_handler ) ) - return( RTEMS_INVALID_ADDRESS ); - - _ISR_Install_vector( - vector, (proc_ptr)new_isr_handler, (proc_ptr *)old_isr_handler ); - - return( RTEMS_SUCCESSFUL ); -} |