text: #ifndef __SH_INTC_H__
  #define __SH_INTC_H__
  
  #include "qemu-common.h"
  #include "hw/irq.h"
  #include "exec/address-spaces.h"
  
  typedef unsigned char intc_enum;
  
  struct intc_vect {
      intc_enum enum_id;
      unsigned short vect;
  };
  
  #define INTC_VECT(enum_id, vect) { enum_id, vect }
  
  struct intc_group {
      intc_enum enum_id;
      intc_enum enum_ids[32];
  };
  
  #define INTC_GROUP(enum_id, ...) { enum_id, {  __VA_ARGS__ } }
  
  struct intc_mask_reg {
      unsigned long set_reg, clr_reg, reg_width;
      intc_enum enum_ids[32];
      unsigned long value;
  };
  
  struct intc_prio_reg {
      unsigned long set_reg, clr_reg, reg_width, field_width;
      intc_enum enum_ids[16];
      unsigned long value;
  };
  
  #define _INTC_ARRAY(a) a, ARRAY_SIZE(a)
  
  struct intc_source {
      unsigned short vect;
      intc_enum next_enum_id;
  
      int asserted; /* emulates the interrupt signal line from device to intc */
      int enable_count;
      int enable_max;
      int pending; /* emulates the result of signal and masking */
      struct intc_desc *parent;
  };
  
  struct intc_desc {
      MemoryRegion iomem;
      MemoryRegion *iomem_aliases;
      qemu_irq *irqs;
      struct intc_source *sources;
      int nr_sources;
      struct intc_mask_reg *mask_regs;
      int nr_mask_regs;
      struct intc_prio_reg *prio_regs;
      int nr_prio_regs;
      int pending; /* number of interrupt sources that has pending set */
  };
  
  int sh_intc_get_pending_vector(struct intc_desc *desc, int imask);
  struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id);
  void sh_intc_toggle_source(struct intc_source *source,
  			   int enable_adj, int assert_adj);
  
  void sh_intc_register_sources(struct intc_desc *desc,
  			      struct intc_vect *vectors,
  			      int nr_vectors,
  			      struct intc_group *groups,
  			      int nr_groups);
  
  int sh_intc_init(MemoryRegion *sysmem,
                   struct intc_desc *desc,
  		 int nr_sources,
  		 struct intc_mask_reg *mask_regs,
  		 int nr_mask_regs,
  		 struct intc_prio_reg *prio_regs,
  		 int nr_prio_regs);
  
  void sh_intc_set_irl(void *opaque, int n, int level);
  
  #endif /* __SH_INTC_H__ */
  