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Diffstat (limited to 'src/emu/devcpu.h')
-rw-r--r-- | src/emu/devcpu.h | 557 |
1 files changed, 557 insertions, 0 deletions
diff --git a/src/emu/devcpu.h b/src/emu/devcpu.h new file mode 100644 index 00000000000..51f70643f60 --- /dev/null +++ b/src/emu/devcpu.h @@ -0,0 +1,557 @@ +/*************************************************************************** + + devcpu.h + + CPU device definitions. + +**************************************************************************** + + Copyright Aaron Giles + All rights reserved. + + Redistribution and use in source and binary forms, with or without + modification, are permitted provided that the following conditions are + met: + + * Redistributions of source code must retain the above copyright + notice, this list of conditions and the following disclaimer. + * Redistributions in binary form must reproduce the above copyright + notice, this list of conditions and the following disclaimer in + the documentation and/or other materials provided with the + distribution. + * Neither the name 'MAME' nor the names of its contributors may be + used to endorse or promote products derived from this software + without specific prior written permission. + + THIS SOFTWARE IS PROVIDED BY AARON GILES ''AS IS'' AND ANY EXPRESS OR + IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE + DISCLAIMED. IN NO EVENT SHALL AARON GILES BE LIABLE FOR ANY DIRECT, + INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES + (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR + SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, + STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING + IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + POSSIBILITY OF SUCH DAMAGE. + +***************************************************************************/ + +#pragma once + +#ifndef __EMU_H__ +#error Dont include this file directly; include emu.h instead. +#endif + +#ifndef __DEVCPU_H__ +#define __DEVCPU_H__ + + +//************************************************************************** +// CONSTANTS +//************************************************************************** + +// alternate address space names for common use +enum +{ + ADDRESS_SPACE_PROGRAM = ADDRESS_SPACE_0, // program address space + ADDRESS_SPACE_DATA = ADDRESS_SPACE_1, // data address space + ADDRESS_SPACE_IO = ADDRESS_SPACE_2 // I/O address space +}; + +// CPU information constants +const int MAX_REGS = 256; +enum +{ + // --- the following bits of info are returned as 64-bit signed integers --- + CPUINFO_INT_FIRST = DEVINFO_INT_FIRST, + + // CPU-specific additionsg + CPUINFO_INT_CONTEXT_SIZE = DEVINFO_INT_CLASS_SPECIFIC, // R/O: size of CPU context in bytes + CPUINFO_INT_INPUT_LINES, // R/O: number of input lines + CPUINFO_INT_DEFAULT_IRQ_VECTOR, // R/O: default IRQ vector + CPUINFO_INT_CLOCK_MULTIPLIER, // R/O: internal clock multiplier + CPUINFO_INT_CLOCK_DIVIDER, // R/O: internal clock divider + CPUINFO_INT_MIN_INSTRUCTION_BYTES, // R/O: minimum bytes per instruction + CPUINFO_INT_MAX_INSTRUCTION_BYTES, // R/O: maximum bytes per instruction + CPUINFO_INT_MIN_CYCLES, // R/O: minimum cycles for a single instruction + CPUINFO_INT_MAX_CYCLES, // R/O: maximum cycles for a single instruction + + CPUINFO_INT_LOGADDR_WIDTH, // R/O: address bus size for logical accesses in each space (0=same as physical) + CPUINFO_INT_LOGADDR_WIDTH_PROGRAM = CPUINFO_INT_LOGADDR_WIDTH + ADDRESS_SPACE_PROGRAM, + CPUINFO_INT_LOGADDR_WIDTH_DATA = CPUINFO_INT_LOGADDR_WIDTH + ADDRESS_SPACE_DATA, + CPUINFO_INT_LOGADDR_WIDTH_IO = CPUINFO_INT_LOGADDR_WIDTH + ADDRESS_SPACE_IO, + CPUINFO_INT_LOGADDR_WIDTH_LAST = CPUINFO_INT_LOGADDR_WIDTH + ADDRESS_SPACES - 1, + CPUINFO_INT_PAGE_SHIFT, // R/O: size of a page log 2 (i.e., 12=4096), or 0 if paging not supported + CPUINFO_INT_PAGE_SHIFT_PROGRAM = CPUINFO_INT_PAGE_SHIFT + ADDRESS_SPACE_PROGRAM, + CPUINFO_INT_PAGE_SHIFT_DATA = CPUINFO_INT_PAGE_SHIFT + ADDRESS_SPACE_DATA, + CPUINFO_INT_PAGE_SHIFT_IO = CPUINFO_INT_PAGE_SHIFT + ADDRESS_SPACE_IO, + CPUINFO_INT_PAGE_SHIFT_LAST = CPUINFO_INT_PAGE_SHIFT + ADDRESS_SPACES - 1, + + CPUINFO_INT_INPUT_STATE, // R/W: states for each input line + CPUINFO_INT_INPUT_STATE_LAST = CPUINFO_INT_INPUT_STATE + MAX_INPUT_LINES - 1, + CPUINFO_INT_REGISTER = CPUINFO_INT_INPUT_STATE_LAST + 10, // R/W: values of up to MAX_REGs registers + CPUINFO_INT_SP = CPUINFO_INT_REGISTER + STATE_GENSP, // R/W: the current stack pointer value + CPUINFO_INT_PC = CPUINFO_INT_REGISTER + STATE_GENPC, // R/W: the current PC value + CPUINFO_INT_PREVIOUSPC = CPUINFO_INT_REGISTER + STATE_GENPCBASE, // R/W: the previous PC value + CPUINFO_INT_REGISTER_LAST = CPUINFO_INT_REGISTER + MAX_REGS - 1, + + CPUINFO_INT_CPU_SPECIFIC = 0x08000, // R/W: CPU-specific values start here + + // --- the following bits of info are returned as pointers to data or functions --- + CPUINFO_PTR_FIRST = DEVINFO_PTR_FIRST, + + // CPU-specific additions + CPUINFO_PTR_INSTRUCTION_COUNTER = DEVINFO_PTR_CLASS_SPECIFIC, + // R/O: int *icount + + CPUINFO_PTR_CPU_SPECIFIC = DEVINFO_PTR_DEVICE_SPECIFIC, // R/W: CPU-specific values start here + + // --- the following bits of info are returned as pointers to functions --- + CPUINFO_FCT_FIRST = DEVINFO_FCT_FIRST, + + // CPU-specific additions + CPUINFO_FCT_SET_INFO = DEVINFO_FCT_CLASS_SPECIFIC, // R/O: void (*set_info)(device_t *device, UINT32 state, INT64 data, void *ptr) + CPUINFO_FCT_INIT, // R/O: void (*init)(device_t *device, int index, int clock, int (*irqcallback)(device_t *device, int)) + CPUINFO_FCT_RESET, // R/O: void (*reset)(device_t *device) + CPUINFO_FCT_EXIT, // R/O: void (*exit)(device_t *device) + CPUINFO_FCT_EXECUTE, // R/O: int (*execute)(device_t *device, int cycles) + CPUINFO_FCT_BURN, // R/O: void (*burn)(device_t *device, int cycles) + CPUINFO_FCT_DISASSEMBLE, // R/O: offs_t (*disassemble)(device_t *device, char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options) + CPUINFO_FCT_TRANSLATE, // R/O: int (*translate)(device_t *device, int space, int intention, offs_t *address) + CPUINFO_FCT_READ, // R/O: int (*read)(device_t *device, int space, UINT32 offset, int size, UINT64 *value) + CPUINFO_FCT_WRITE, // R/O: int (*write)(device_t *device, int space, UINT32 offset, int size, UINT64 value) + CPUINFO_FCT_READOP, // R/O: int (*readop)(device_t *device, UINT32 offset, int size, UINT64 *value) + CPUINFO_FCT_DEBUG_INIT, // R/O: void (*debug_init)(device_t *device) + CPUINFO_FCT_IMPORT_STATE, // R/O: void (*import_state)(device_t *device, void *baseptr, const cpu_state_entry *entry) + CPUINFO_FCT_EXPORT_STATE, // R/O: void (*export_state)(device_t *device, void *baseptr, const cpu_state_entry *entry) + CPUINFO_FCT_IMPORT_STRING, // R/O: void (*import_string)(device_t *device, void *baseptr, const cpu_state_entry *entry, const char *format, char *string) + CPUINFO_FCT_EXPORT_STRING, // R/O: void (*export_string)(device_t *device, void *baseptr, const cpu_state_entry *entry, const char *format, char *string) + + CPUINFO_FCT_CPU_SPECIFIC = DEVINFO_FCT_DEVICE_SPECIFIC, // R/W: CPU-specific values start here + + // --- the following bits of info are returned as NULL-terminated strings --- + CPUINFO_STR_FIRST = DEVINFO_STR_FIRST, + + // CPU-specific additions + CPUINFO_STR_REGISTER = DEVINFO_STR_CLASS_SPECIFIC + 10, // R/O: string representation of up to MAX_REGs registers + CPUINFO_STR_FLAGS = CPUINFO_STR_REGISTER + STATE_GENFLAGS, // R/O: string representation of the main flags value + CPUINFO_STR_REGISTER_LAST = CPUINFO_STR_REGISTER + MAX_REGS - 1, + + CPUINFO_STR_CPU_SPECIFIC = DEVINFO_STR_DEVICE_SPECIFIC // R/W: CPU-specific values start here +}; + + + +//************************************************************************** +// CPU DEVICE CONFIGURATION MACROS +//************************************************************************** + +#define MDRV_CPU_ADD(_tag, _type, _clock) \ + MDRV_DEVICE_ADD(_tag, CPU, _clock) \ + MDRV_CPU_TYPE(_type) + +#define MDRV_CPU_MODIFY(_tag) \ + MDRV_DEVICE_MODIFY(_tag) + +#define MDRV_CPU_TYPE(_type) \ + TOKEN_UINT32_PACK1(MCONFIG_TOKEN_DEVICE_CONFIG_CUSTOM_1, 8), \ + TOKEN_PTR(cputype, CPU_##_type), \ + +#define MDRV_CPU_REPLACE(_tag, _type, _clock) \ + MDRV_DEVICE_REPLACE(_tag, CPU, _clock) \ + MDRV_CPU_TYPE(_type) + +#define MDRV_CPU_CLOCK MDRV_DEVICE_CLOCK +#define MDRV_CPU_CONFIG MDRV_DEVICE_CONFIG + +#define MDRV_CPU_PROGRAM_MAP MDRV_DEVICE_PROGRAM_MAP +#define MDRV_CPU_DATA_MAP MDRV_DEVICE_DATA_MAP +#define MDRV_CPU_IO_MAP MDRV_DEVICE_IO_MAP + +#define MDRV_CPU_VBLANK_INT MDRV_DEVICE_VBLANK_INT +#define MDRV_CPU_PERIODIC_INT MDRV_DEVICE_PERIODIC_INT + + + +//************************************************************************** +// MACROS +//************************************************************************** + +// device iteration helpers +#define cpu_count(config) (config)->devicelist.count(CPU) +#define cpu_first(config) (config)->devicelist.first(CPU) +#define cpu_next(previous) (previous)->typenext() +#define cpu_get_index(cpu) (cpu)->machine->devicelist.index(CPU, (cpu)->tag()) + + +// CPU interface functions +#define CPU_GET_INFO_NAME(name) cpu_get_info_##name +#define CPU_GET_INFO(name) void CPU_GET_INFO_NAME(name)(const device_config *devconfig, device_t *device, UINT32 state, cpuinfo *info) +#define CPU_GET_INFO_CALL(name) CPU_GET_INFO_NAME(name)(devconfig, device, state, info) + +#define CPU_SET_INFO_NAME(name) cpu_set_info_##name +#define CPU_SET_INFO(name) void CPU_SET_INFO_NAME(name)(device_t *device, UINT32 state, cpuinfo *info) +#define CPU_SET_INFO_CALL(name) CPU_SET_INFO_NAME(name)(device, state, info) + +#define CPU_INIT_NAME(name) cpu_init_##name +#define CPU_INIT(name) void CPU_INIT_NAME(name)(device_t *device, device_irq_callback irqcallback) +#define CPU_INIT_CALL(name) CPU_INIT_NAME(name)(device, irqcallback) + +#define CPU_RESET_NAME(name) cpu_reset_##name +#define CPU_RESET(name) void CPU_RESET_NAME(name)(device_t *device) +#define CPU_RESET_CALL(name) CPU_RESET_NAME(name)(device) + +#define CPU_EXIT_NAME(name) cpu_exit_##name +#define CPU_EXIT(name) void CPU_EXIT_NAME(name)(device_t *device) +#define CPU_EXIT_CALL(name) CPU_EXIT_NAME(name)(device) + +#define CPU_EXECUTE_NAME(name) cpu_execute_##name +#define CPU_EXECUTE(name) int CPU_EXECUTE_NAME(name)(device_t *device, int cycles) +#define CPU_EXECUTE_CALL(name) CPU_EXECUTE_NAME(name)(device, cycles) + +#define CPU_BURN_NAME(name) cpu_burn_##name +#define CPU_BURN(name) void CPU_BURN_NAME(name)(device_t *device, int cycles) +#define CPU_BURN_CALL(name) CPU_BURN_NAME(name)(device, cycles) + +#define CPU_TRANSLATE_NAME(name) cpu_translate_##name +#define CPU_TRANSLATE(name) int CPU_TRANSLATE_NAME(name)(device_t *device, int space, int intention, offs_t *address) +#define CPU_TRANSLATE_CALL(name) CPU_TRANSLATE_NAME(name)(device, space, intention, address) + +#define CPU_READ_NAME(name) cpu_read_##name +#define CPU_READ(name) int CPU_READ_NAME(name)(device_t *device, int space, UINT32 offset, int size, UINT64 *value) +#define CPU_READ_CALL(name) CPU_READ_NAME(name)(device, space, offset, size, value) + +#define CPU_WRITE_NAME(name) cpu_write_##name +#define CPU_WRITE(name) int CPU_WRITE_NAME(name)(device_t *device, int space, UINT32 offset, int size, UINT64 value) +#define CPU_WRITE_CALL(name) CPU_WRITE_NAME(name)(device, space, offset, size, value) + +#define CPU_READOP_NAME(name) cpu_readop_##name +#define CPU_READOP(name) int CPU_READOP_NAME(name)(device_t *device, UINT32 offset, int size, UINT64 *value) +#define CPU_READOP_CALL(name) CPU_READOP_NAME(name)(device, offset, size, value) + +#define CPU_DEBUG_INIT_NAME(name) cpu_debug_init_##name +#define CPU_DEBUG_INIT(name) void CPU_DEBUG_INIT_NAME(name)(device_t *device) +#define CPU_DEBUG_INIT_CALL(name) CPU_DEBUG_INIT_NAME(name)(device) + +#define CPU_DISASSEMBLE_NAME(name) cpu_disassemble_##name +#define CPU_DISASSEMBLE(name) offs_t CPU_DISASSEMBLE_NAME(name)(device_t *device, char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options) +#define CPU_DISASSEMBLE_CALL(name) CPU_DISASSEMBLE_NAME(name)(device, buffer, pc, oprom, opram, options) + +#define CPU_IMPORT_STATE_NAME(name) cpu_state_import_##name +#define CPU_IMPORT_STATE(name) void CPU_IMPORT_STATE_NAME(name)(device_t *device, const device_state_entry &entry) +#define CPU_IMPORT_STATE_CALL(name) CPU_IMPORT_STATE_NAME(name)(device, entry) + +#define CPU_EXPORT_STATE_NAME(name) cpu_state_export_##name +#define CPU_EXPORT_STATE(name) void CPU_EXPORT_STATE_NAME(name)(device_t *device, const device_state_entry &entry) +#define CPU_EXPORT_STATE_CALL(name) CPU_EXPORT_STATE_NAME(name)(device, entry) + +#define CPU_EXPORT_STRING_NAME(name) cpu_string_export_##name +#define CPU_EXPORT_STRING(name) void CPU_EXPORT_STRING_NAME(name)(device_t *device, const device_state_entry &entry, astring &string) +#define CPU_EXPORT_STRING_CALL(name) CPU_EXPORT_STRING_NAME(name)(device, entry, string) + + +// helpers for accessing common CPU state + +// CPU scheduling +#define cpu_suspend device_suspend +#define cpu_resume device_resume +#define cpu_is_executing device_is_executing +#define cpu_is_suspended device_is_suspended + +// synchronization helpers +#define cpu_yield device_yield +#define cpu_spin device_spin +#define cpu_spinuntil_trigger device_spin_until_trigger +#define cpu_spinuntil_time device_spin_until_time +#define cpu_spinuntil_int device_spin_until_interrupt + +// CPU clock management +#define cpu_get_clock device_get_clock +#define cpu_set_clock device_set_clock +#define cpu_get_clockscale device_get_clock_scale +#define cpu_set_clockscale device_set_clock_scale +#define cpu_clocks_to_attotime device_clocks_to_attotime +#define cpu_attotime_to_clocks device_attotime_to_clocks + +// CPU timing +#define cpu_get_local_time device_get_local_time +#define cpu_get_total_cycles device_get_total_cycles +#define cpu_eat_cycles device_eat_cycles +#define cpu_adjust_icount device_adjust_icount +#define cpu_abort_timeslice device_abort_timeslice + +#define cpu_triggerint device_triggerint +#define cpu_set_input_line device_set_input_line +#define cpu_set_input_line_vector device_set_input_line_vector +#define cpu_set_input_line_and_vector device_set_input_line_and_vector +#define cpu_set_irq_callback device_set_irq_callback +#define cpu_spin_until_int device_spin_until_int + +#define cpu_get_address_space device_get_space + +#define cpu_get_reg(cpu, _reg) device_state(cpu)->state_value(_reg) +#define cpu_get_previouspc(cpu) ((offs_t)device_state(cpu)->state_value(STATE_GENPCBASE)) +#define cpu_get_pc(cpu) ((offs_t)device_state(cpu)->state_value(STATE_GENPC)) +#define cpu_get_sp(cpu) ((offs_t)device_state(cpu)->state_value(STATE_GENSP)) + +#define cpu_set_reg(cpu, _reg, val) device_state(cpu)->state_set_value(_reg, val) + +#define INTERRUPT_GEN(func) void func(device_t *device) + +// helpers for using machine/cputag instead of cpu objects +#define cputag_get_address_space(mach, tag, spc) downcast<cpu_device *>((mach)->device(tag))->space(spc) +#define cputag_get_clock(mach, tag) (mach)->device(tag)->unscaled_clock() +#define cputag_set_clock(mach, tag, clock) (mach)->device(tag)->set_unscaled_clock(clock) +#define cputag_clocks_to_attotime(mach, tag, clocks) (mach)->device(tag)->clocks_to_attotime(clocks) +#define cputag_attotime_to_clocks(mach, tag, duration) (mach)->device(tag)->attotime_to_clocks(duration) + +#define cputag_suspend(mach, tag, reason, eat) device_suspend((mach)->device(tag), reason, eat) +#define cputag_resume(mach, tag, reason) device_resume((mach)->device(tag), reason) +#define cputag_is_suspended(mach, tag, reason) device_is_suspended((mach)->device(tag), reason) +#define cputag_get_total_cycles(mach, tag) device_get_total_cycles((mach)->device(tag)) + +#define cputag_set_input_line(mach, tag, line, state) downcast<cpu_device *>((mach)->device(tag))->set_input_line(line, state) +#define cputag_set_input_line_and_vector(mach, tag, line, state, vec) downcast<cpu_device *>((mach)->device(tag))->set_input_line_and_vector(line, state, vec) + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// forward declaration of types +union cpuinfo; +struct cpu_state_entry; +class cpu_debug_data; + + +// CPU interface functions +typedef void (*cpu_get_info_func)(const device_config *devconfig, device_t *device, UINT32 state, cpuinfo *info); +typedef void (*cpu_set_info_func)(device_t *device, UINT32 state, cpuinfo *info); +typedef void (*cpu_init_func)(device_t *device, device_irq_callback irqcallback); +typedef void (*cpu_reset_func)(device_t *device); +typedef void (*cpu_exit_func)(device_t *device); +typedef int (*cpu_execute_func)(device_t *device, int cycles); +typedef void (*cpu_burn_func)(device_t *device, int cycles); +typedef int (*cpu_translate_func)(device_t *device, int space, int intention, offs_t *address); +typedef int (*cpu_read_func)(device_t *device, int space, UINT32 offset, int size, UINT64 *value); +typedef int (*cpu_write_func)(device_t *device, int space, UINT32 offset, int size, UINT64 value); +typedef int (*cpu_readop_func)(device_t *device, UINT32 offset, int size, UINT64 *value); +typedef void (*cpu_debug_init_func)(device_t *device); +typedef offs_t (*cpu_disassemble_func)(device_t *device, char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, int options); +typedef void (*cpu_state_io_func)(device_t *device, const device_state_entry &entry); +typedef void (*cpu_string_io_func)(device_t *device, const device_state_entry &entry, astring &string); + + +// a cpu_type is just a pointer to the CPU's get_info function +typedef cpu_get_info_func cpu_type; + + +// structure describing a single item of exposed CPU state +struct cpu_state_entry +{ + UINT32 index; // state index this entry applies to + UINT32 validmask; // mask for which CPU subtypes this entry is valid + FPTR dataoffs; // offset to the data, relative to the baseptr + UINT64 mask; // mask applied to the data + UINT8 datasize; // size of the data item in memory + UINT8 flags; // flags + const char * symbol; // symbol for display; all lower-case version for expressions + const char * format; // supported formats +}; + + +// cpuinfo union used to pass data to/from the get_info/set_info functions +union cpuinfo +{ + INT64 i; // generic integers + void * p; // generic pointers + genf * f; // generic function pointers + char * s; // generic strings + + cpu_set_info_func setinfo; // CPUINFO_FCT_SET_INFO + cpu_init_func init; // CPUINFO_FCT_INIT + cpu_reset_func reset; // CPUINFO_FCT_RESET + cpu_exit_func exit; // CPUINFO_FCT_EXIT + cpu_execute_func execute; // CPUINFO_FCT_EXECUTE + cpu_burn_func burn; // CPUINFO_FCT_BURN + cpu_translate_func translate; // CPUINFO_FCT_TRANSLATE + cpu_read_func read; // CPUINFO_FCT_READ + cpu_write_func write; // CPUINFO_FCT_WRITE + cpu_readop_func readop; // CPUINFO_FCT_READOP + cpu_debug_init_func debug_init; // CPUINFO_FCT_DEBUG_INIT + cpu_disassemble_func disassemble; // CPUINFO_FCT_DISASSEMBLE + cpu_state_io_func import_state; // CPUINFO_FCT_IMPORT_STATE + cpu_state_io_func export_state; // CPUINFO_FCT_EXPORT_STATE + cpu_string_io_func import_string; // CPUINFO_FCT_IMPORT_STRING + cpu_string_io_func export_string; // CPUINFO_FCT_EXPORT_STRING + int * icount; // CPUINFO_PTR_INSTRUCTION_COUNTER + const addrmap8_token * internal_map8; // DEVINFO_PTR_INTERNAL_MEMORY_MAP + const addrmap16_token * internal_map16; // DEVINFO_PTR_INTERNAL_MEMORY_MAP + const addrmap32_token * internal_map32; // DEVINFO_PTR_INTERNAL_MEMORY_MAP + const addrmap64_token * internal_map64; // DEVINFO_PTR_INTERNAL_MEMORY_MAP + const addrmap8_token * default_map8; // DEVINFO_PTR_DEFAULT_MEMORY_MAP + const addrmap16_token * default_map16; // DEVINFO_PTR_DEFAULT_MEMORY_MAP + const addrmap32_token * default_map32; // DEVINFO_PTR_DEFAULT_MEMORY_MAP + const addrmap64_token * default_map64; // DEVINFO_PTR_DEFAULT_MEMORY_MAP +}; + + + +// ======================> cpu_device_config + +class cpu_device_config : public device_config, + public device_config_execute_interface, + public device_config_memory_interface, + public device_config_state_interface, + public device_config_disasm_interface +{ + friend class cpu_device; + + // construction/destruction + cpu_device_config(const machine_config &mconfig, device_type _type, const char *_tag, const device_config *_owner, UINT32 _clock); + +public: + // allocators + static device_config *static_alloc_device_config(const machine_config &mconfig, const char *tag, const device_config *owner, UINT32 clock); + virtual device_t *alloc_device(running_machine &machine) const; + + // basic information getters + virtual const char *name() const { return get_legacy_config_string(DEVINFO_STR_NAME); } + virtual const rom_entry *rom_region() const { return reinterpret_cast<const rom_entry *>(get_legacy_config_ptr(DEVINFO_PTR_ROM_REGION)); } + virtual const machine_config_token *machine_config_tokens() const { return reinterpret_cast<const machine_config_token *>(get_legacy_config_ptr(DEVINFO_PTR_MACHINE_CONFIG)); } + +protected: + // device_config overrides + virtual bool device_process_token(UINT32 entrytype, const machine_config_token *&tokens); + + // device_config_execute_interface overrides + virtual UINT32 execute_clocks_to_cycles(UINT32 clocks) const; + virtual UINT32 execute_cycles_to_clocks(UINT32 cycles) const; + virtual UINT32 execute_min_cycles() const { return get_legacy_config_int(CPUINFO_INT_MIN_CYCLES); } + virtual UINT32 execute_max_cycles() const { return get_legacy_config_int(CPUINFO_INT_MAX_CYCLES); } + virtual UINT32 execute_input_lines() const { return get_legacy_config_int(CPUINFO_INT_INPUT_LINES); } + virtual UINT32 execute_default_irq_vector() const { return get_legacy_config_int(CPUINFO_INT_DEFAULT_IRQ_VECTOR); } + + // device_config_memory_interface overrides + virtual const address_space_config *memory_space_config(int spacenum = 0) const { return (spacenum < ARRAY_LENGTH(m_space_config) && m_space_config[spacenum].m_addrbus_width != 0) ? &m_space_config[spacenum] : NULL; } + + // device_config_disasm_interface overrides + virtual UINT32 disasm_min_opcode_bytes() const { return get_legacy_config_int(CPUINFO_INT_MIN_INSTRUCTION_BYTES); } + virtual UINT32 disasm_max_opcode_bytes() const { return get_legacy_config_int(CPUINFO_INT_MAX_INSTRUCTION_BYTES); } + + // legacy interface helpers + INT64 get_legacy_config_int(UINT32 state) const; + void *get_legacy_config_ptr(UINT32 state) const; + genf *get_legacy_config_fct(UINT32 state) const; + const char *get_legacy_config_string(UINT32 state) const; + + // internal state + cpu_type m_cputype; // internal CPU type + address_space_config m_space_config[3]; // array of address space configs +}; + +const device_type CPU = cpu_device_config::static_alloc_device_config; + + + +// ======================> cpu_device + +class cpu_device : public device_t, + public device_execute_interface, + public device_memory_interface, + public device_state_interface, + public device_disasm_interface +{ + + friend class cpu_device_config; + friend resource_pool_object<cpu_device>::~resource_pool_object(); + + // construction/destruction + cpu_device(running_machine &machine, const cpu_device_config &config); + virtual ~cpu_device(); + +public: + // additional CPU-specific configuration properties ... pass through to underlying config + cpu_type cputype() const { return m_cpu_config.m_cputype; } + + void *token() const { return m_token; } + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_debug_setup(); + + // device_execute_interface overrides + virtual INT32 execute_run(INT32 cycles); + virtual void execute_burn(INT32 cycles); + virtual void execute_set_input(int inputnum, int state) { set_legacy_runtime_int(CPUINFO_INT_INPUT_STATE + inputnum, state); } + + // device_memory_interface overrides + virtual bool memory_translate(int spacenum, int intention, offs_t &address); + virtual bool memory_read(int spacenum, offs_t offset, int size, UINT64 &value); + virtual bool memory_write(int spacenum, offs_t offset, int size, UINT64 value); + virtual bool memory_readop(offs_t offset, int size, UINT64 &value); + + // device_state_interface overrides + virtual void state_import(const device_state_entry &entry); + virtual void state_export(const device_state_entry &entry); + virtual void state_string_export(const device_state_entry &entry, astring &string); + + // device_disasm_interface overrides + virtual offs_t disasm_disassemble(char *buffer, offs_t pc, const UINT8 *oprom, const UINT8 *opram, UINT32 options); + + // helpers to access data via the legacy get_info functions + INT64 get_legacy_runtime_int(UINT32 state); + void *get_legacy_runtime_ptr(UINT32 state); + const char *get_legacy_runtime_string(UINT32 state); + void set_legacy_runtime_int(UINT32 state, INT64 value); + +public: + cpu_debug_data * m_debug; // debugging data + +protected: + // internal state + const cpu_device_config &m_cpu_config; // reference to the config + void * m_token; // pointer to our state + + cpu_set_info_func m_set_info; // extracted legacy function pointers + cpu_execute_func m_execute; // + cpu_burn_func m_burn; // + cpu_translate_func m_translate; // + cpu_read_func m_read; // + cpu_write_func m_write; // + cpu_readop_func m_readop; // + cpu_disassemble_func m_disassemble; // + cpu_state_io_func m_state_import; // + cpu_state_io_func m_state_export; // + cpu_string_io_func m_string_export; // + + UINT64 m_state_io; // temporary buffer for state I/O + bool m_using_legacy_state; // true if we are using the old-style state access +}; + + + +//************************************************************************** +// INLINE HELPERS +//************************************************************************** + +// ======================> additional helpers + +// return the type of the specified CPU +inline cpu_type cpu_get_type(device_t *device) +{ + return downcast<cpu_device *>(device)->cputype(); +} + +// return a pointer to the given CPU's debugger data +inline cpu_debug_data *cpu_get_debug_data(device_t *device) +{ + return downcast<cpu_device *>(device)->m_debug; +} + + +#endif /* __CPUINTRF_H__ */ |