sh_intc.h 1.9 KB

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  1. #ifndef __SH_INTC_H__
  2. #define __SH_INTC_H__
  3. #include "qemu-common.h"
  4. #include "irq.h"
  5. typedef unsigned char intc_enum;
  6. struct intc_vect {
  7. intc_enum enum_id;
  8. unsigned short vect;
  9. };
  10. #define INTC_VECT(enum_id, vect) { enum_id, vect }
  11. struct intc_group {
  12. intc_enum enum_id;
  13. intc_enum enum_ids[32];
  14. };
  15. #define INTC_GROUP(enum_id, ...) { enum_id, { __VA_ARGS__ } }
  16. struct intc_mask_reg {
  17. unsigned long set_reg, clr_reg, reg_width;
  18. intc_enum enum_ids[32];
  19. unsigned long value;
  20. };
  21. struct intc_prio_reg {
  22. unsigned long set_reg, clr_reg, reg_width, field_width;
  23. intc_enum enum_ids[16];
  24. unsigned long value;
  25. };
  26. #define _INTC_ARRAY(a) a, ARRAY_SIZE(a)
  27. struct intc_source {
  28. unsigned short vect;
  29. intc_enum next_enum_id;
  30. int asserted; /* emulates the interrupt signal line from device to intc */
  31. int enable_count;
  32. int enable_max;
  33. int pending; /* emulates the result of signal and masking */
  34. struct intc_desc *parent;
  35. };
  36. struct intc_desc {
  37. qemu_irq *irqs;
  38. struct intc_source *sources;
  39. int nr_sources;
  40. struct intc_mask_reg *mask_regs;
  41. int nr_mask_regs;
  42. struct intc_prio_reg *prio_regs;
  43. int nr_prio_regs;
  44. int iomemtype;
  45. int pending; /* number of interrupt sources that has pending set */
  46. };
  47. int sh_intc_get_pending_vector(struct intc_desc *desc, int imask);
  48. struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id);
  49. void sh_intc_toggle_source(struct intc_source *source,
  50. int enable_adj, int assert_adj);
  51. void sh_intc_register_sources(struct intc_desc *desc,
  52. struct intc_vect *vectors,
  53. int nr_vectors,
  54. struct intc_group *groups,
  55. int nr_groups);
  56. int sh_intc_init(struct intc_desc *desc,
  57. int nr_sources,
  58. struct intc_mask_reg *mask_regs,
  59. int nr_mask_regs,
  60. struct intc_prio_reg *prio_regs,
  61. int nr_prio_regs);
  62. void sh_intc_set_irl(void *opaque, int n, int level);
  63. #endif /* __SH_INTC_H__ */