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sh775x interrupt controller by Magnus Damm.

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@3327 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
balrog 2007-10-04 21:53:55 +00:00
parent 30d6eaca96
commit 80f515e636
6 changed files with 631 additions and 91 deletions
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69
hw/sh_intc.h Normal file
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#ifndef __SH_INTC_H__
#define __SH_INTC_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, ids...) { enum_id, { ids } }
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, sizeof(a)/sizeof(*a)
struct intc_source {
unsigned short vect;
intc_enum next_enum_id;
int asserted;
int enable_count;
int enable_max;
};
struct intc_desc {
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 iomemtype;
};
struct intc_source *sh_intc_source(struct intc_desc *desc, intc_enum id);
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(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);
#endif /* __SH_INTC_H__ */