forked from Imagelibrary/rtems
0e5b446af7
* Makefile.am, preinstall.am, rtems/score/cpu.h: Now performs context switches and many tests run. * context_init.c, context_switch.S, cpu.c, cpu_asm.c: New files.
125 lines
2.6 KiB
C
125 lines
2.6 KiB
C
/*
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* M32R CPU Dependent Source
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*
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* COPYRIGHT (c) 1989-2008.
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* On-Line Applications Research Corporation (OAR).
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*
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* The license and distribution terms for this file may be
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* found in the file LICENSE in this distribution or at
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* http://www.rtems.com/license/LICENSE.
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*
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* $Id$
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*/
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#include <rtems/system.h>
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#include <rtems/score/isr.h>
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/* _CPU_Initialize
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*
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* This routine performs processor dependent initialization.
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*
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* INPUT PARAMETERS:
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* thread_dispatch - address of disptaching routine
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*
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* NO_CPU Specific Information:
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*
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* XXX document implementation including references if appropriate
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*/
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void _CPU_Initialize(
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void (*thread_dispatch) /* ignored on this CPU */
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)
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{
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}
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/*
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* This routine returns the current interrupt level.
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*
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* NO_CPU Specific Information:
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*
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* XXX document implementation including references if appropriate
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*/
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uint32_t _CPU_ISR_Get_level( void )
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{
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return 0;
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}
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/*PAGE
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*
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* _CPU_ISR_install_raw_handler
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*
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* NO_CPU Specific Information:
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*
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* XXX document implementation including references if appropriate
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*/
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void _CPU_ISR_install_raw_handler(
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uint32_t vector,
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proc_ptr new_handler,
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proc_ptr *old_handler
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)
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{
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/*
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* This is where we install the interrupt handler into the "raw" interrupt
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* table used by the CPU to dispatch interrupt handlers.
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*/
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/* _set_var_vect(new_handler,vector); */
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}
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/*PAGE
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*
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* _CPU_ISR_install_vector
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*
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* This kernel routine installs the RTEMS handler for the
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* specified vector.
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*
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* Input parameters:
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* vector - interrupt vector number
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* old_handler - former ISR for this vector number
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* new_handler - replacement ISR for this vector number
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*
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* Output parameters: NONE
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*
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*
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* NO_CPU Specific Information:
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*
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* XXX document implementation including references if appropriate
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*/
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void _CPU_ISR_install_vector(
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uint32_t vector,
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proc_ptr new_handler,
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proc_ptr *old_handler
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)
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{
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*old_handler = _ISR_Vector_table[ vector ];
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/*
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* If the interrupt vector table is a table of pointer to isr entry
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* points, then we need to install the appropriate RTEMS interrupt
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* handler for this vector number.
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*/
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_CPU_ISR_install_raw_handler( vector, new_handler, old_handler );
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/*
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* We put the actual user ISR address in '_ISR_vector_table'. This will
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* be used by the _ISR_Handler so the user gets control.
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*/
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_ISR_Vector_table[ vector ] = new_handler;
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}
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/*PAGE
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*
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* _CPU_Install_interrupt_stack
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*
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* NO_CPU Specific Information:
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*
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* XXX document implementation including references if appropriate
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*/
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void _CPU_Install_interrupt_stack( void )
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{
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}
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