mirror of https://github.com/Treeki/WindEmu.git
92 lines
2.9 KiB
C++
92 lines
2.9 KiB
C++
#pragma once
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#include "arm.h"
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#include "wind_hw.h"
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#include <unordered_set>
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class Emu {
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uint8_t ROM[0x1000000];
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uint8_t MemoryBlockC0[0x800000];
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uint8_t MemoryBlockC1[0x800000];
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uint8_t MemoryBlockD0[0x800000];
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uint8_t MemoryBlockD1[0x800000];
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enum { MemoryBlockMask = 0x7FFFFF };
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uint32_t controlReg;
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uint32_t translationTableBase;
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uint32_t domainAccessControl;
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uint16_t pendingInterrupts = 0;
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uint16_t interruptMask = 0;
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uint32_t portValues = 0;
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uint32_t portDirections = 0;
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uint32_t pwrsr = 0x00002000; // cold start flag
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uint32_t lcdControl = 0;
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uint32_t lcdAddress = 0;
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uint32_t kScan = 0;
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uint32_t rtc = 0;
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int64_t nextTickAt = 0;
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Timer tc1, tc2;
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UART uart1, uart2;
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bool asleep = false;
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std::unordered_set<uint32_t> _breakpoints;
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struct ARMCore cpu;
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inline bool isMMU() {
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return (controlReg & 1);
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}
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uint32_t getRTC();
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uint32_t readReg8(uint32_t reg);
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uint32_t readReg32(uint32_t reg);
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void writeReg8(uint32_t reg, uint8_t value);
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void writeReg32(uint32_t reg, uint32_t value);
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public:
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uint32_t readPhys8(uint32_t physAddress);
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uint32_t readPhys16(uint32_t physAddress);
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uint32_t readPhys32(uint32_t physAddress);
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void writePhys8(uint32_t physAddress, uint8_t value);
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void writePhys16(uint32_t physAddress, uint16_t value);
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void writePhys32(uint32_t physAddress, uint32_t value);
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uint32_t virtToPhys(uint32_t virtAddress);
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uint32_t readVirt8(uint32_t virtAddress) { return readPhys8(virtToPhys(virtAddress)); }
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uint32_t readVirt16(uint32_t virtAddress) { return readPhys16(virtToPhys(virtAddress)); }
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uint32_t readVirt32(uint32_t virtAddress) { return readPhys32(virtToPhys(virtAddress)); }
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void writeVirt8(uint32_t virtAddress, uint8_t value) { writePhys8(virtToPhys(virtAddress), value); }
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void writeVirt16(uint32_t virtAddress, uint16_t value) { writePhys16(virtToPhys(virtAddress), value); }
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void writeVirt32(uint32_t virtAddress, uint32_t value) { writePhys32(virtToPhys(virtAddress), value); }
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const uint8_t *getLCDBuffer() const;
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private:
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bool configured = false;
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void configure();
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void configureMemoryBindings();
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void configureCpuHandlers();
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void printRegs();
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const char *identifyObjectCon(uint32_t ptr);
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void fetchStr(uint32_t str, char *buf);
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void fetchName(uint32_t obj, char *buf);
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void fetchProcessFilename(uint32_t obj, char *buf);
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void debugPC(uint32_t pc);
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uint8_t readKeyboard();
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public:
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bool keyboardKeys[8*7] = {0};
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public:
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Emu();
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void loadROM(const char *path);
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void dumpRAM(const char *path);
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void executeUntil(int64_t cycles);
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int64_t currentCycles() const { return cpu.cycles; }
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uint32_t getGPR(int index) const { return cpu.gprs[index]; }
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std::unordered_set<uint32_t> &breakpoints() { return _breakpoints; }
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};
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