You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
61 lines
1.6 KiB
61 lines
1.6 KiB
/* |
|
* Copyright (C) 2022 Riyyi |
|
* Copyright (C) 2022 Th3FrankXD |
|
* |
|
* SPDX-License-Identifier: MIT |
|
*/ |
|
|
|
#pragma once |
|
|
|
#include <cstdint> // uint32_t |
|
#include <memory> // std::shared_ptr |
|
#include <string> |
|
#include <string_view> |
|
#include <unordered_map> |
|
#include <vector> |
|
|
|
#include "processing-unit.h" |
|
#include "ruc/singleton.h" |
|
#include "ruc/timer.h" |
|
|
|
using BankedMemory = std::vector<std::vector<uint32_t>>; |
|
|
|
struct MemorySpace { |
|
BankedMemory memory; |
|
uint32_t active_bank { 0 }; |
|
uint32_t start_address { 0 }; |
|
uint32_t end_address { 0 }; |
|
}; |
|
|
|
class Emu final : public ruc::Singleton<Emu> { |
|
public: |
|
Emu(s) {} |
|
|
|
void init(uint32_t frequency); |
|
|
|
void update(); |
|
|
|
void addProcessingUnit(std::string_view name, std::shared_ptr<ProcessingUnit> processing_unit); |
|
void addMemorySpace(std::string_view name, uint32_t start_address, uint32_t end_address, uint32_t amount_of_banks = 1); |
|
void removeMemorySpace(std::string_view name); |
|
|
|
void writeMemory(uint32_t address, uint32_t value); |
|
uint32_t readMemory(uint32_t address) const; |
|
|
|
// ------------------------------------- |
|
|
|
std::shared_ptr<ProcessingUnit> processingUnit(std::string_view name) const { return m_processing_units.at(name); } |
|
MemorySpace memorySpace(std::string_view name) { return m_memory_spaces[name]; } |
|
|
|
private: |
|
uint32_t m_frequency { 0 }; |
|
double m_timestep { 0 }; |
|
uint32_t m_cycle { 0 }; |
|
double m_cycle_time { 0 }; |
|
double m_previous_time { 0 }; |
|
|
|
ruc::Timer m_timer; |
|
|
|
std::unordered_map<std::string_view, std::shared_ptr<ProcessingUnit>> m_processing_units; |
|
std::unordered_map<std::string_view, MemorySpace> m_memory_spaces; |
|
};
|
|
|