diff options
Diffstat (limited to 'src/include/hw/sh4')
| -rw-r--r-- | src/include/hw/sh4/sh.h | 57 | ||||
| -rw-r--r-- | src/include/hw/sh4/sh_intc.h | 83 |
2 files changed, 140 insertions, 0 deletions
diff --git a/src/include/hw/sh4/sh.h b/src/include/hw/sh4/sh.h new file mode 100644 index 0000000..e61de9a --- /dev/null +++ b/src/include/hw/sh4/sh.h @@ -0,0 +1,57 @@ +#ifndef QEMU_SH_H +#define QEMU_SH_H +/* Definitions for SH board emulation. */ + +#include "hw/sh4/sh_intc.h" + +#define A7ADDR(x) ((x) & 0x1fffffff) +#define P4ADDR(x) ((x) | 0xe0000000) + +/* sh7750.c */ +struct SH7750State; +struct MemoryRegion; + +struct SH7750State *sh7750_init(SuperHCPU *cpu, struct MemoryRegion *sysmem); + +typedef struct { + /* The callback will be triggered if any of the designated lines change */ + uint16_t portamask_trigger; + uint16_t portbmask_trigger; + /* Return 0 if no action was taken */ + int (*port_change_cb) (uint16_t porta, uint16_t portb, + uint16_t * periph_pdtra, + uint16_t * periph_portdira, + uint16_t * periph_pdtrb, + uint16_t * periph_portdirb); +} sh7750_io_device; + +int sh7750_register_io_device(struct SH7750State *s, + sh7750_io_device * device); +/* sh_timer.c */ +#define TMU012_FEAT_TOCR (1 << 0) +#define TMU012_FEAT_3CHAN (1 << 1) +#define TMU012_FEAT_EXTCLK (1 << 2) +void tmu012_init(struct MemoryRegion *sysmem, hwaddr base, + int feat, uint32_t freq, + qemu_irq ch0_irq, qemu_irq ch1_irq, + qemu_irq ch2_irq0, qemu_irq ch2_irq1); + + +/* sh_serial.c */ +#define SH_SERIAL_FEAT_SCIF (1 << 0) +void sh_serial_init(MemoryRegion *sysmem, + hwaddr base, int feat, + uint32_t freq, CharDriverState *chr, + qemu_irq eri_source, + qemu_irq rxi_source, + qemu_irq txi_source, + qemu_irq tei_source, + qemu_irq bri_source); + +/* sh7750.c */ +qemu_irq sh7750_irl(struct SH7750State *s); + +/* tc58128.c */ +int tc58128_init(struct SH7750State *s, const char *zone1, const char *zone2); + +#endif diff --git a/src/include/hw/sh4/sh_intc.h b/src/include/hw/sh4/sh_intc.h new file mode 100644 index 0000000..b7ddcb0 --- /dev/null +++ b/src/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__ */ |
