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Replaced all references to simulation with emulation Updated copyright year Updated .gitignore to reduce chances of random files being uploaded to the repo Added .gitattributes to normalize all text files, and to ignore binary files (which includes the logo and the NEC PDF)
122 lines
4.1 KiB
C
122 lines
4.1 KiB
C
//
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// vr4300/cpu.h: VR4300 processor container.
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//
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// CEN64: Cycle-Accurate Nintendo 64 Emulator.
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// Copyright (C) 2015, Tyler J. Stachecki.
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//
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// This file is subject to the terms and conditions defined in
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// 'LICENSE', which is part of this source code package.
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//
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#ifndef __vr4300_cpu_h__
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#define __vr4300_cpu_h__
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#include "common.h"
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#include "vr4300/cp0.h"
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#include "vr4300/cp1.h"
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#include "vr4300/dcache.h"
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#include "vr4300/icache.h"
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#include "vr4300/opcodes.h"
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#include "vr4300/pipeline.h"
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struct bus_controller;
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enum vr4300_signals {
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VR4300_SIGNAL_FORCEEXIT = 0x000000001,
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VR4300_SIGNAL_COLDRESET = 0x000000002,
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};
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enum vr4300_register {
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VR4300_REGISTER_R0, VR4300_REGISTER_AT, VR4300_REGISTER_V0,
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VR4300_REGISTER_V1, VR4300_REGISTER_A0, VR4300_REGISTER_A1,
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VR4300_REGISTER_A2, VR4300_REGISTER_A3, VR4300_REGISTER_T0,
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VR4300_REGISTER_T1, VR4300_REGISTER_T2, VR4300_REGISTER_T3,
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VR4300_REGISTER_T4, VR4300_REGISTER_R5, VR4300_REGISTER_T6,
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VR4300_REGISTER_T7, VR4300_REGISTER_S0, VR4300_REGISTER_S1,
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VR4300_REGISTER_S2, VR4300_REGISTER_S3, VR4300_REGISTER_S4,
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VR4300_REGISTER_S5, VR4300_REGISTER_S6, VR4300_REGISTER_S7,
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VR4300_REGISTER_T8, VR4300_REGISTER_T9, VR4300_REGISTER_K0,
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VR4300_REGISTER_K1, VR4300_REGISTER_GP, VR4300_REGISTER_SP,
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VR4300_REGISTER_FP, VR4300_REGISTER_RA,
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// CP0 registers.
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VR4300_REGISTER_CP0_0, VR4300_REGISTER_CP0_1, VR4300_REGISTER_CP0_2,
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VR4300_REGISTER_CP0_3, VR4300_REGISTER_CP0_4, VR4300_REGISTER_CP0_5,
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VR4300_REGISTER_CP0_6, VR4300_REGISTER_CP0_7, VR4300_REGISTER_CP0_8,
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VR4300_REGISTER_CP0_9, VR4300_REGISTER_CP0_10, VR4300_REGISTER_CP0_11,
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VR4300_REGISTER_CP0_12, VR4300_REGISTER_CP0_13, VR4300_REGISTER_CP0_14,
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VR4300_REGISTER_CP0_15, VR4300_REGISTER_CP0_16, VR4300_REGISTER_CP0_17,
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VR4300_REGISTER_CP0_18, VR4300_REGISTER_CP0_19, VR4300_REGISTER_CP0_20,
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VR4300_REGISTER_CP0_21, VR4300_REGISTER_CP0_22, VR4300_REGISTER_CP0_23,
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VR4300_REGISTER_CP0_24, VR4300_REGISTER_CP0_25, VR4300_REGISTER_CP0_26,
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VR4300_REGISTER_CP0_27, VR4300_REGISTER_CP0_28, VR4300_REGISTER_CP0_29,
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VR4300_REGISTER_CP0_30, VR4300_REGISTER_CP0_31,
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// CP1 registers.
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VR4300_REGISTER_CP1_0, VR4300_REGISTER_CP1_1, VR4300_REGISTER_CP1_2,
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VR4300_REGISTER_CP1_3, VR4300_REGISTER_CP1_4, VR4300_REGISTER_CP1_5,
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VR4300_REGISTER_CP1_6, VR4300_REGISTER_CP1_7, VR4300_REGISTER_CP1_8,
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VR4300_REGISTER_CP1_9, VR4300_REGISTER_CP1_10, VR4300_REGISTER_CP1_11,
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VR4300_REGISTER_CP1_12, VR4300_REGISTER_CP1_13, VR4300_REGISTER_CP1_14,
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VR4300_REGISTER_CP1_15, VR4300_REGISTER_CP1_16, VR4300_REGISTER_CP1_17,
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VR4300_REGISTER_CP1_18, VR4300_REGISTER_CP1_19, VR4300_REGISTER_CP1_20,
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VR4300_REGISTER_CP1_21, VR4300_REGISTER_CP1_22, VR4300_REGISTER_CP1_23,
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VR4300_REGISTER_CP1_24, VR4300_REGISTER_CP1_25, VR4300_REGISTER_CP1_26,
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VR4300_REGISTER_CP1_27, VR4300_REGISTER_CP1_28, VR4300_REGISTER_CP1_29,
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VR4300_REGISTER_CP1_30, VR4300_REGISTER_CP1_31,
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// Miscellanious registers.
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VR4300_REGISTER_HI, VR4300_REGISTER_LO,
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VR4300_CP1_FCR0, VR4300_CP1_FCR31,
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// Pipeline cycle type flag.
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//
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// Putting these here along with the other registers allows us to
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// correctly (and cheaply) detect that a busy-wait loop instruction
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// is retiring.
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PIPELINE_CYCLE_TYPE,
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NUM_VR4300_REGISTERS
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};
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enum mi_register {
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#define X(reg) reg,
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#include "vr4300/registers.md"
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#undef X
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NUM_MI_REGISTERS,
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};
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#ifdef DEBUG_MMIO_REGISTER_ACCESS
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extern const char *mi_register_mnemonics[NUM_MI_REGISTERS];
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#endif
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struct vr4300 {
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struct bus_controller *bus;
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struct vr4300_pipeline pipeline;
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uint64_t regs[NUM_VR4300_REGISTERS];
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uint32_t mi_regs[NUM_MI_REGISTERS];
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unsigned signals;
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struct vr4300_cp0 cp0;
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struct vr4300_dcache dcache;
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struct vr4300_icache icache;
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};
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struct vr4300_stats {
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unsigned long executed_instructions;
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unsigned long total_cycles;
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unsigned long opcode_counts[NUM_VR4300_OPCODES];
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};
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cen64_cold int vr4300_init(struct vr4300 *vr4300, struct bus_controller *bus);
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cen64_cold void vr4300_print_summary(struct vr4300_stats *stats);
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cen64_flatten cen64_hot void vr4300_cycle(struct vr4300 *vr4300);
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cen64_cold void vr4300_cycle_extra(struct vr4300 *vr4300, struct vr4300_stats *stats);
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#endif
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