smdk2410/irq/irq.c

0001 /* irq.c
0002  *
0003  *  This file contains the implementation of the function described in irq.h
0004  *
0005  *  Copyright (c) 2010 embedded brains GmbH & Co. KG
0006  *
0007  *  CopyRight (C) 2000 Canon Research France SA.
0008  *  Emmanuel Raguet,  mailto:raguet@crf.canon.fr
0009  *
0010  *  The license and distribution terms for this file may be
0011  *  found in the file LICENSE in this distribution or at
0012  *  http://www.rtems.org/license/LICENSE.
0013  */
0014
0015 #include <rtems/score/armv4.h>
0016
0017 #include <bsp.h>
0018 #include <bsp/irq.h>
0019 #include <bsp/irq-generic.h>
0020
0021 #include <s3c24xx.h>
0022
0023 void bsp_interrupt_dispatch(void)
0024 {
0025   rtems_vector_number vector = *((uint32_t *) rINTOFFSET_ADDR);
0026
0027   bsp_interrupt_handler_dispatch(vector);
0028 }
0029
0030 rtems_status_code bsp_interrupt_get_attributes(
0031   rtems_vector_number         vector,
0032   rtems_interrupt_attributes *attributes
0033 )
0034 {
0035   return RTEMS_SUCCESSFUL;
0036 }
0037
0038 rtems_status_code bsp_interrupt_is_pending(
0039   rtems_vector_number vector,
0040   bool               *pending
0041 )
0042 {
0043   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0044   bsp_interrupt_assert(pending != NULL);
0045   *pending = false;
0046   return RTEMS_UNSATISFIED;
0047 }
0048
0049 rtems_status_code bsp_interrupt_raise(rtems_vector_number vector)
0050 {
0051   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0052   return RTEMS_UNSATISFIED;
0053 }
0054
0055 rtems_status_code bsp_interrupt_clear(rtems_vector_number vector)
0056 {
0057   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0058   return RTEMS_UNSATISFIED;
0059 }
0060
0061 rtems_status_code bsp_interrupt_vector_is_enabled(
0062   rtems_vector_number vector,
0063   bool               *enabled
0064 )
0065 {
0066   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0067   bsp_interrupt_assert(enabled != NULL);
0068   *enabled = false;
0069   return RTEMS_UNSATISFIED;
0070 }
0071
0072 rtems_status_code bsp_interrupt_vector_enable(rtems_vector_number vector)
0073 {
0074   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0075   return RTEMS_SUCCESSFUL;
0076 }
0077
0078 rtems_status_code bsp_interrupt_vector_disable(rtems_vector_number vector)
0079 {
0080   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0081   return RTEMS_SUCCESSFUL;
0082 }
0083
0084 rtems_status_code bsp_interrupt_set_priority(
0085   rtems_vector_number vector,
0086   uint32_t priority
0087 )
0088 {
0089   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0090   return RTEMS_UNSATISFIED;
0091 }
0092
0093 rtems_status_code bsp_interrupt_get_priority(
0094   rtems_vector_number vector,
0095   uint32_t *priority
0096 )
0097 {
0098   bsp_interrupt_assert(bsp_interrupt_is_valid_vector(vector));
0099   bsp_interrupt_assert(priority != NULL);
0100   return RTEMS_UNSATISFIED;
0101 }
0102
0103 void bsp_interrupt_facility_initialize(void)
0104 {
0105   _CPU_ISR_install_vector(ARM_EXCEPTION_IRQ, _ARMV4_Exception_interrupt, NULL);
0106 }