qemu-patch-raspberry4/hw/sh_intc.h
aurel32 96e2fc41a9 SH4: Use qemu_irq in timer emulation.
* hw/sh.h (tmu012_init): Accept qemu_irq, not intc_source.
        * hw/sh7750.c (sh7750_init): Pass qemu_irq to tmu012_init.
        * hw/sh_intc.c (sh_intc_set_irq): New.
        (sh_intc_init): Allocate irqs.
        * hw/sh_intc.h (struct intc_desc): New field irqs.
        * hw/sh_timer.c (sh_timer_state): Use qemu_irq, not intc_source.
        (sh_timer_update): Use qemu_set_irq, not sh_intc_toggle_source.
        (sh_timer_init, tmu012_init): Adjust.

(Vladimir Prus)

git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@5768 c046a42c-6fe2-441c-8c8c-71466251a162
2008-11-21 21:06:42 +00:00

79 lines
1.9 KiB
C

#ifndef __SH_INTC_H__
#define __SH_INTC_H__
#include "qemu-common.h"
#include "irq.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; /* 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 {
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 iomemtype;
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(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__ */