Git Repo - qemu.git/blame_incremental

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