1 #ifndef SH_INTC_H 2 #define SH_INTC_H 3 4 #include "qemu-common.h" 5 #include "hw/irq.h" 6 #include "exec/address-spaces.h" 7 8 typedef unsigned char intc_enum; 9 10 struct intc_vect { 11 intc_enum enum_id; 12 unsigned short vect; 13 }; 14 15 #define INTC_VECT(enum_id, vect) { enum_id, vect } 16 17 struct intc_group { 18 intc_enum enum_id; 19 intc_enum enum_ids[32]; 20 }; 21 22 #define INTC_GROUP(enum_id, ...) { enum_id, { __VA_ARGS__ } } 23 24 struct intc_mask_reg { 25 unsigned long set_reg, clr_reg, reg_width; 26 intc_enum enum_ids[32]; 27 unsigned long value; 28 }; 29 30 struct intc_prio_reg { 31 unsigned long set_reg, clr_reg, reg_width, field_width; 32 intc_enum enum_ids[16]; 33 unsigned long value; 34 }; 35 36 #define _INTC_ARRAY(a) a, ARRAY_SIZE(a) 37 38 struct intc_source { 39 unsigned short vect; 40 intc_enum next_enum_id; 41 42 int asserted; /* emulates the interrupt signal line from device to intc */ 43 int enable_count; 44 int enable_max; 45 int pending; /* emulates the result of signal and masking */ 46 struct intc_desc *parent; 47 }; 48 49 struct intc_desc { 50 MemoryRegion iomem; 51 MemoryRegion *iomem_aliases; 52 qemu_irq *irqs; 53 struct intc_source *sources; 54 int nr_sources; 55 struct intc_mask_reg *mask_regs; 56 int nr_mask_regs; 57 struct intc_prio_reg *prio_regs; 58 int nr_prio_regs; 59 int pending; /* number of interrupt sources that has pending set */ 60 }; 61 62 int sh_intc_get_pending_vector(struct intc_desc *desc, int imask); 63 struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id); 64 void sh_intc_toggle_source(struct intc_source *source, 65 int enable_adj, int assert_adj); 66 67 void sh_intc_register_sources(struct intc_desc *desc, 68 struct intc_vect *vectors, 69 int nr_vectors, 70 struct intc_group *groups, 71 int nr_groups); 72 73 int sh_intc_init(MemoryRegion *sysmem, 74 struct intc_desc *desc, 75 int nr_sources, 76 struct intc_mask_reg *mask_regs, 77 int nr_mask_regs, 78 struct intc_prio_reg *prio_regs, 79 int nr_prio_regs); 80 81 void sh_intc_set_irl(void *opaque, int n, int level); 82 83 #endif /* SH_INTC_H */ 84