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author | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-10 15:35:28 +0000 |
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committer | Joel Sherrill <joel.sherrill@OARcorp.com> | 2008-09-10 15:35:28 +0000 |
commit | 4ff2c04c1d525dbc2aa5618aae85d37c3851e128 (patch) | |
tree | 3a2f27f2ff805d809519ad25566b5ef7ff14d880 /cpukit/score/cpu/nios2/irq.c | |
parent | 2008-09-09 Joel Sherrill <joel.sherrill@oarcorp.com> (diff) | |
download | rtems-4ff2c04c1d525dbc2aa5618aae85d37c3851e128.tar.bz2 |
2008-09-10 Joel Sherrill <joel.sherrill@OARcorp.com>
* configure.ac, aclocal/canonical-target-name.m4,
score/cpu/Makefile.am: Remove TI C4x and NIOS2 ports from 4.9 branch.
* score/cpu/c4x/.cvsignore, score/cpu/c4x/ChangeLog,
score/cpu/c4x/Makefile.am, score/cpu/c4x/cpu.c,
score/cpu/c4x/cpu_asm.S, score/cpu/c4x/irq.c,
score/cpu/c4x/preinstall.am, score/cpu/c4x/rtems/asm.h,
score/cpu/c4x/rtems/score/c4x.h, score/cpu/c4x/rtems/score/cpu.h,
score/cpu/c4x/rtems/score/cpu_asm.h,
score/cpu/c4x/rtems/score/types.h, score/cpu/c4x/rtems/tic4x/c4xio.h,
score/cpu/nios2/.cvsignore, score/cpu/nios2/ChangeLog,
score/cpu/nios2/Makefile.am, score/cpu/nios2/cpu.c,
score/cpu/nios2/cpu_asm.S, score/cpu/nios2/irq.c,
score/cpu/nios2/preinstall.am, score/cpu/nios2/rtems/asm.h,
score/cpu/nios2/rtems/score/cpu.h,
score/cpu/nios2/rtems/score/cpu_asm.h,
score/cpu/nios2/rtems/score/nios2.h,
score/cpu/nios2/rtems/score/types.h: Removed.
Diffstat (limited to 'cpukit/score/cpu/nios2/irq.c')
-rw-r--r-- | cpukit/score/cpu/nios2/irq.c | 94 |
1 files changed, 0 insertions, 94 deletions
diff --git a/cpukit/score/cpu/nios2/irq.c b/cpukit/score/cpu/nios2/irq.c deleted file mode 100644 index 3bd893f61f..0000000000 --- a/cpukit/score/cpu/nios2/irq.c +++ /dev/null @@ -1,94 +0,0 @@ -/* - * NIOS2 exception and interrupt handler - * - * Derived from c4x/irq.c - * - * COPYRIGHT (c) 1989-2007. - * 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.rtems.com/license/LICENSE. - * - * $Id$ - */ - -#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. - * - * Upon entry, interrupts are disabled - */ - -#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE) - unsigned long *_old_stack_ptr; -#endif - -register unsigned long *stack_ptr asm("sp"); - -void __ISR_Handler(uint32_t vector, CPU_Interrupt_frame *ifr) -{ - register uint32_t level; - - /* Interrupts are disabled upon entry to this Handler */ - -#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_high - 4; - } -#endif - - _ISR_Nest_level++; - - _Thread_Dispatch_disable_level++; - - if ( _ISR_Vector_table[ vector] ) - { - (*_ISR_Vector_table[ vector ])(vector, ifr); - }; - - /* Make sure that interrupts are disabled again */ - _CPU_ISR_Disable( level ); - - _Thread_Dispatch_disable_level--; - - _ISR_Nest_level--; - - if( _ISR_Nest_level == 0) - { -#if( CPU_HAS_SOFTWARE_INTERRUPT_STACK == TRUE) - stack_ptr = _old_stack_ptr; -#endif - - if( _Thread_Dispatch_disable_level == 0 ) - { - if ( _Context_Switch_necessary || _ISR_Signals_to_thread_executing ) - { - _ISR_Signals_to_thread_executing = FALSE; - _CPU_ISR_Enable( level ); - _Thread_Dispatch(); - /* may have switched to another task and not return here immed. */ - _CPU_ISR_Disable( level ); /* Keep _pairs_ of Enable/Disable */ - } - } - else - { - _ISR_Signals_to_thread_executing = FALSE; - }; - }; - - _CPU_ISR_Enable( level ); -} - -void __Exception_Handler(CPU_Exception_frame *efr) -{ - _CPU_Fatal_halt(0xECC0); -} - - |