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Add 6809 profiling

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This commit is contained in:
Adrian Conlon 2021-04-07 21:35:33 +01:00
parent b1ca06447f
commit 79adce86bd
9 changed files with 183 additions and 44 deletions
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88
MC6809/inc/Disassembly.h
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@ -12,11 +12,24 @@ namespace EightBit {
public:
Disassembly(Bus& bus, mc6809& processor);
bool ignore();
[[nodiscard]] bool ignore();
std::string trace(uint16_t current);
std::string trace(register16_t current);
std::string trace();
[[nodiscard]] std::string trace(uint16_t current);
[[nodiscard]] std::string disassemble(uint16_t current);
[[nodiscard]] std::string trace(register16_t current);
[[nodiscard]] std::string disassemble(register16_t current);
[[nodiscard]] std::string trace();
[[nodiscard]] std::string disassemble();
static [[nodiscard]] std::string dump_Flags(uint8_t value);
static [[nodiscard]] std::string dump_ByteValue(uint8_t value);
static [[nodiscard]] std::string dump_RelativeValue(int8_t value);
static [[nodiscard]] std::string dump_WordValue(uint16_t value);
static [[nodiscard]] std::string dump_WordValue(register16_t value);
static [[nodiscard]] std::string dump_RelativeValue(int16_t value);
static [[nodiscard]] std::string dump_RelativeValue(register16_t value);
private:
Bus& m_bus;
@ -27,63 +40,50 @@ namespace EightBit {
bool m_prefix10 = false;
bool m_prefix11 = false;
static std::string dump_Flags(uint8_t value);
static std::string dump_ByteValue(uint8_t value);
static std::string dump_RelativeValue(int8_t value);
static std::string dump_WordValue(uint16_t value);
static std::string dump_WordValue(register16_t value);
static std::string dump_RelativeValue(int16_t value);
static std::string dump_RelativeValue(register16_t value);
std::string disassemble(uint16_t current);
std::string disassemble(register16_t current);
std::string disassemble();
static void dump(std::ostream& out, int value, int width);
mc6809& CPU() { return m_cpu; }
[[nodiscard]] mc6809& CPU() { return m_cpu; }
[[nodiscard]] Bus& BUS() { return m_bus; }
uint8_t getByte(uint16_t address);
uint16_t getWord(uint16_t address);
[[nodiscard]] uint8_t getByte(uint16_t address);
[[nodiscard]] uint16_t getWord(uint16_t address);
std::string disassembleUnprefixed();
std::string disassemble10();
std::string disassemble11();
[[nodiscard]] std::string disassembleUnprefixed();
[[nodiscard]] std::string disassemble10();
[[nodiscard]] std::string disassemble11();
//
std::string RR(int which);
std::string wrapIndirect(std::string what, bool indirect);
[[nodiscard]] std::string RR(int which);
[[nodiscard]] std::string wrapIndirect(std::string what, bool indirect);
std::string Address_direct(std::string mnemomic);
std::string Address_indexed(std::string mnemomic);
std::string Address_extended(std::string mnemomic);
std::string Address_relative_byte(std::string mnemomic);
std::string Address_relative_word(std::string mnemomic);
[[nodiscard]] std::string Address_direct(std::string mnemomic);
[[nodiscard]] std::string Address_indexed(std::string mnemomic);
[[nodiscard]] std::string Address_extended(std::string mnemomic);
[[nodiscard]] std::string Address_relative_byte(std::string mnemomic);
[[nodiscard]] std::string Address_relative_word(std::string mnemomic);
std::string AM_immediate_byte(std::string mnemomic);
std::string AM_immediate_word(std::string mnemomic);
[[nodiscard]] std::string AM_immediate_byte(std::string mnemomic);
[[nodiscard]] std::string AM_immediate_word(std::string mnemomic);
//
std::string branchShort(std::string mnemomic);
std::string branchLong(std::string mnemomic);
[[nodiscard]] std::string branchShort(std::string mnemomic);
[[nodiscard]] std::string branchLong(std::string mnemomic);
//
std::string referenceTransfer8(int specifier);
std::string referenceTransfer16(int specifier);
std::string tfr(std::string mnemomic);
[[nodiscard]] std::string referenceTransfer8(int specifier);
[[nodiscard]] std::string referenceTransfer16(int specifier);
[[nodiscard]] std::string tfr(std::string mnemomic);
//
std::string pulS();
std::string pulU();
std::string pshS();
std::string pshU();
std::string pulX(std::string mnemomic, std::string upon);
std::string pshX(std::string mnemomic, std::string upon);
Bus& BUS() { return m_bus; }
[[nodiscard]] std::string pulS();
[[nodiscard]] std::string pulU();
[[nodiscard]] std::string pshS();
[[nodiscard]] std::string pshU();
[[nodiscard]] std::string pulX(std::string mnemomic, std::string upon);
[[nodiscard]] std::string pshX(std::string mnemomic, std::string upon);
};
}

22
MC6809/inc/ProfileLineEventArgs.h Normal file
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@ -0,0 +1,22 @@
#pragma once
#include <string>
#include <cstdint>
namespace EightBit {
class ProfileLineEventArgs
{
private:
int m_address;
std::string m_source;
uint64_t m_cycles;
public:
ProfileLineEventArgs(int address, std::string source, uint64_t cycles)
: m_address(address), m_source(source), m_cycles(cycles) {}
int address() const { return m_address; }
const std::string& source() const { return m_source; }
uint64_t cycles() const { return m_cycles; }
};
}

41
MC6809/inc/Profiler.h Normal file
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@ -0,0 +1,41 @@
#pragma once
#include <array>
#include <cstdint>
#include <map>
#include <EventArgs.h>
#include <Signal.h>
#include "ProfileLineEventArgs.h"
namespace EightBit {
class Disassembly;
class mc6809;
class Profiler {
public:
std::array<uint64_t, 0x100> instructionCounts;
std::array<uint64_t, 0x10000> addressProfiles;
std::array<uint64_t, 0x10000> addressCounts;
mc6809& processor;
Disassembly& disassembler;
Profiler(mc6809& processor, Disassembly& disassembler);
Signal<EventArgs> StartingOutput;
Signal<EventArgs> FinishedOutput;
Signal<ProfileLineEventArgs> EmitLine;
void addInstruction(uint8_t instruction);
void addAddress(uint16_t address, int cycles);
void Generate();
private:
void EmitProfileInformation();
};
}

3
MC6809/src/MC6809.vcxproj
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@ -21,11 +21,14 @@
<ItemGroup>
<ClInclude Include="..\inc\Disassembly.h" />
<ClInclude Include="..\inc\mc6809.h" />
<ClInclude Include="..\inc\ProfileLineEventArgs.h" />
<ClInclude Include="..\inc\Profiler.h" />
<ClInclude Include="stdafx.h" />
</ItemGroup>
<ItemGroup>
<ClCompile Include="Disassembly.cpp" />
<ClCompile Include="mc6809.cpp" />
<ClCompile Include="Profiler.cpp" />
<ClCompile Include="stdafx.cpp">
<PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">Create</PrecompiledHeader>
<PrecompiledHeader Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">Create</PrecompiledHeader>

9
MC6809/src/MC6809.vcxproj.filters
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@ -20,6 +20,12 @@
<ClInclude Include="stdafx.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\inc\ProfileLineEventArgs.h">
<Filter>Header Files</Filter>
</ClInclude>
<ClInclude Include="..\inc\Profiler.h">
<Filter>Header Files</Filter>
</ClInclude>
</ItemGroup>
<ItemGroup>
<ClCompile Include="stdafx.cpp">
@ -31,5 +37,8 @@
<ClCompile Include="Disassembly.cpp">
<Filter>Source Files</Filter>
</ClCompile>
<ClCompile Include="Profiler.cpp">
<Filter>Source Files</Filter>
</ClCompile>
</ItemGroup>
</Project>

41
MC6809/src/Profiler.cpp Normal file
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@ -0,0 +1,41 @@
#include "stdafx.h"
#include "Profiler.h"
#include "Disassembly.h"
EightBit::Profiler::Profiler(mc6809& targetProcessor, Disassembly& disassemblerTarget)
: processor(targetProcessor),
disassembler(disassemblerTarget) {
instructionCounts.fill(0);
addressProfiles.fill(0);
addressCounts.fill(0);
}
void EightBit::Profiler::Generate() {
StartingOutput.fire();
EmitProfileInformation();
StartingOutput.fire();
}
void EightBit::Profiler::EmitProfileInformation() {
// For each memory address
for (int address = 0; address < 0x10000; ++address) {
// If there are any cycles associated
auto cycles = addressProfiles[address];
if (cycles > 0) {
// Dump a profile/disassembly line
auto source = disassembler.disassemble(address);
ProfileLineEventArgs event(address, source, cycles);
EmitLine.fire(event);
}
}
}
void EightBit::Profiler::addInstruction(uint8_t instruction) {
++instructionCounts[instruction];
}
void EightBit::Profiler::addAddress(uint16_t address, int cycles) {
addressCounts[address]++;
addressProfiles[address] += cycles;
}

17
MC6809/test/Board.cpp
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@ -27,6 +27,14 @@ void Board::raisePOWER() {
}
void Board::lowerPOWER() {
if (m_configuration.isProfileMode()) {
m_profiler.EmitLine.connect([this](EightBit::ProfileLineEventArgs line) {
std::cout << EightBit::Disassembly::dump_WordValue(line.address()) << " " << line.source() << std::endl;
});
m_profiler.Generate();
}
ACIA().lowerPOWER();
CPU().lowerPOWER();
EightBit::Bus::lowerPOWER();
@ -71,6 +79,15 @@ void Board::initialise() {
}
});
if (m_configuration.isProfileMode()) {
m_cpu.ExecutingInstruction.connect([this](EightBit::mc6809& cpu) {
m_profiler.addInstruction(peek(cpu.PC()));
});
m_cpu.ExecutedInstruction.connect([this](EightBit::mc6809& cpu) {
m_profiler.addAddress(cpu.PC().word, cpu.cycles());
});
}
if (m_configuration.isDebugMode()) {
// MC6809 disassembly wiring
CPU().ExecutingInstruction.connect([this] (EightBit::mc6809& cpu) {

2
MC6809/test/Board.h
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@ -11,6 +11,7 @@
#include <Disassembly.h>
#include <MC6850.h>
#include <UnusedMemory.h>
#include <Profiler.h>
class Board : public EightBit::Bus {
public:
@ -38,6 +39,7 @@ private:
EightBit::mc6809 m_cpu = *this;
EightBit::Disassembly m_disassembler = { *this, m_cpu };
EightBit::Profiler m_profiler = { m_cpu, m_disassembler };
uint64_t m_totalCycleCount = 0UL;
int64_t m_frameCycleCount = 0L;

4
MC6809/test/Configuration.h
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@ -14,6 +14,9 @@ public:
bool isDebugMode() const { return m_debugMode; }
void setDebugMode(bool value) { m_debugMode = value; }
bool isProfileMode() const { return m_profileMode; }
void setProfileMode(bool value) { m_profileMode = value; }
bool terminatesEarly() const { return m_terminatesEarly; }
void setTerminatesEarly(bool value) { m_terminatesEarly = value; }
@ -21,6 +24,7 @@ public:
private:
bool m_debugMode = false;
bool m_profileMode = false;
bool m_terminatesEarly = false;
std::string m_romDirectory = "roms\\searle";
};