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Diffstat (limited to 'src/devices/cpu/nios2/nios2.h')
-rw-r--r-- | src/devices/cpu/nios2/nios2.h | 51 |
1 files changed, 51 insertions, 0 deletions
diff --git a/src/devices/cpu/nios2/nios2.h b/src/devices/cpu/nios2/nios2.h new file mode 100644 index 00000000000..de2073e0e47 --- /dev/null +++ b/src/devices/cpu/nios2/nios2.h @@ -0,0 +1,51 @@ +// license:BSD-3-Clause +// copyright-holders:AJR + +#ifndef MAME_CPU_NIOS2_NIOS2_H +#define MAME_CPU_NIOS2_NIOS2_H + +#pragma once + +class nios2_device : public cpu_device +{ +public: + enum { + NIOS2_R1 = 1, NIOS2_R2, NIOS2_R3, NIOS2_R4, NIOS2_R5, NIOS2_R6, NIOS2_R7, + NIOS2_R8, NIOS2_R9, NIOS2_R10, NIOS2_R11, NIOS2_R12, NIOS2_R13, NIOS2_R14, NIOS2_R15, + NIOS2_R16, NIOS2_R17, NIOS2_R18, NIOS2_R19, NIOS2_R20, NIOS2_R21, NIOS2_R22, NIOS2_R23, + NIOS2_R24, NIOS2_R25, NIOS2_R26, NIOS2_R27, NIOS2_R28, NIOS2_R29, NIOS2_R30, NIOS2_R31, + NIOS2_PC, + }; + + // construction/destruction + nios2_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // device_execute_interface overrides + virtual void execute_run() override; + + // device_disasm_interface overrides + virtual std::unique_ptr<util::disasm_interface> create_disassembler() override; + + // device_memory_interface overrides + virtual space_config_vector memory_space_config() const override; + +private: + // address space + address_space_config m_program_config; + memory_access<32, 2, 0, ENDIANNESS_LITTLE>::cache m_cache; + + // internal registers + u32 m_gpr[32]; + u32 m_pc; + s32 m_icount; +}; + +// device type definition +DECLARE_DEVICE_TYPE(NIOS2, nios2_device) + +#endif // MAME_CPU_NIOS2_NIOS2_H |