diff options
author | 2015-08-28 09:58:54 +0800 | |
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committer | 2015-09-01 12:44:00 +0800 | |
commit | e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb (patch) | |
tree | 66b09f592c55df2878107a468a91d21506104d3f /qemu/include/hw/sh4/sh_intc.h | |
parent | 9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00 (diff) |
Add qemu 2.4.0
Change-Id: Ic99cbad4b61f8b127b7dc74d04576c0bcbaaf4f5
Signed-off-by: Yang Zhang <yang.z.zhang@intel.com>
Diffstat (limited to 'qemu/include/hw/sh4/sh_intc.h')
-rw-r--r-- | qemu/include/hw/sh4/sh_intc.h | 83 |
1 files changed, 83 insertions, 0 deletions
diff --git a/qemu/include/hw/sh4/sh_intc.h b/qemu/include/hw/sh4/sh_intc.h new file mode 100644 index 000000000..b7ddcb096 --- /dev/null +++ b/qemu/include/hw/sh4/sh_intc.h @@ -0,0 +1,83 @@ +#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__ */ |