altera_nios2_gen2_irq.h 3.7 KB

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  1. /******************************************************************************
  2. * *
  3. * License Agreement *
  4. * *
  5. * Copyright (c) 2009 Altera Corporation, San Jose, California, USA. *
  6. * All rights reserved. *
  7. * *
  8. * Permission is hereby granted, free of charge, to any person obtaining a *
  9. * copy of this software and associated documentation files (the "Software"), *
  10. * to deal in the Software without restriction, including without limitation *
  11. * the rights to use, copy, modify, merge, publish, distribute, sublicense, *
  12. * and/or sell copies of the Software, and to permit persons to whom the *
  13. * Software is furnished to do so, subject to the following conditions: *
  14. * *
  15. * The above copyright notice and this permission notice shall be included in *
  16. * all copies or substantial portions of the Software. *
  17. * *
  18. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR *
  19. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, *
  20. * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE *
  21. * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER *
  22. * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING *
  23. * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER *
  24. * DEALINGS IN THE SOFTWARE. *
  25. * *
  26. * This agreement shall be governed in all respects by the laws of the State *
  27. * of California and by the laws of the United States of America. *
  28. * *
  29. ******************************************************************************/
  30. /*
  31. * Support for the Nios II internal interrupt controller.
  32. */
  33. #ifndef __ALT_NIOS2_GEN2_IRQ_H__
  34. #define __ALT_NIOS2_GEN2_IRQ_H__
  35. #ifdef __cplusplus
  36. extern "C"
  37. {
  38. #endif /* __cplusplus */
  39. /*
  40. * The macro ALTERA_NIOS2_GEN2_IRQ_INSTANCE is used by the alt_irq_init()
  41. * function in the auto-generated file alt_sys_init.c to create an
  42. * instance of this interrupt controller device driver state if this
  43. * module contains an interrupt controller.
  44. * Only one instance of a Nios II is allowed so this macro is just empty.
  45. */
  46. #define ALTERA_NIOS2_GEN2_IRQ_INSTANCE(name, state)
  47. /*
  48. * altera_nios2_gen2_irq_init() is called by the auto-generated function
  49. * alt_irq_init() once for the Nios II if it contains an interrupt controller.
  50. * The altera_nios2_gen2_irq_init() routine is called using the
  51. * ALTERA_NIOS2_GEN2_IRQ_INIT macro given below.
  52. *
  53. * This function initializes the internal interrupt controller
  54. * so is not called if the Nios II contains an external interrupt
  55. * controller port (because the internal interrupt controller
  56. * is removed if this port is present).
  57. */
  58. extern void altera_nios2_gen2_irq_init( void );
  59. /*
  60. * The macro ALTERA_NIOS2_GEN2_IRQ_INIT is used by the alt_irq_init() routine
  61. * in the auto-generated file alt_sys_init.c to initialize an instance
  62. * of the interrupt controller device driver state.
  63. */
  64. #define ALTERA_NIOS2_GEN2_IRQ_INIT(name, state) altera_nios2_gen2_irq_init()
  65. #ifdef __cplusplus
  66. }
  67. #endif /* __cplusplus */
  68. #endif /* __ALT_NIOS2_ULTRA_IRQ_H__ */