| #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 */ |